chore(version): bump 4.9.1 to 4.9.2

This fixes an error introduced by #133

.bumpversion.cfg

@@ -0,0 +1,12 @@
+[bumpversion]
+current_version = 4.9.2
+commit = True
+message = chore(version): bump {current_version} to {new_version}
+
+[bumpversion:file:manim_slides/__version__.py]
+search = __version__ = "{current_version}"
+replace = __version__ = "{new_version}"
+
+[bumpversion:file:pyproject.toml]
+search = version = "{current_version}"
+replace = version = "{new_version}"

.flake8

@@ -1,4 +0,0 @@
-[flake8]
-extend-ignore =
-    # E501: line too long
-    E501,

.github/ISSUE_TEMPLATE/bug.yml

@@ -1,40 +1,40 @@
 name: Bug
 description: Report an issue to help improve the project.
-labels: "bug"
+labels: bug
 title: '[BUG] <description>'
 body:
-  - type: textarea
-    id: description
-    attributes:
-      label: Description
-      description: A brief description of the question or issue, also include what you tried and what didn't work
-    validations:
-      required: true
-  - type: textarea
-    id: version
-    attributes:
-      label: Version
-      description: Which version of Manim Slides are you using? You can use `manim-slides --version` to get that information.
-    validations:
-      required: true
-  - type: textarea
-    id: platform
-    attributes:
-      label: Platform
-      description: What is your platform. Linux, macOS, or Windows?
-    validations:
-      required: true
-  - type: textarea
-    id: screenshots
-    attributes:
-      label: Screenshots
-      description: Please add screenshots if applicable
-    validations:
-      required: false
-  - type: textarea
-    id: extrainfo
-    attributes:
-      label: Additional information
-      description: Is there anything else we should know about this bug?
-    validations:
-      required: false
+- type: textarea
+  id: description
+  attributes:
+    label: Description
+    description: A brief description of the question or issue, also include what you tried and what didn't work
+  validations:
+    required: true
+- type: textarea
+  id: version
+  attributes:
+    label: Version
+    description: Which version of Manim Slides are you using? You can use `manim-slides --version` to get that information.
+  validations:
+    required: true
+- type: textarea
+  id: platform
+  attributes:
+    label: Platform
+    description: What is your platform. Linux, macOS, or Windows?
+  validations:
+    required: true
+- type: textarea
+  id: screenshots
+  attributes:
+    label: Screenshots
+    description: Please add screenshots if applicable
+  validations:
+    required: false
+- type: textarea
+  id: extrainfo
+  attributes:
+    label: Additional information
+    description: Is there anything else we should know about this bug?
+  validations:
+    required: false

.github/ISSUE_TEMPLATE/documentation.yml

@@ -1,59 +1,59 @@
 name: Documentation
 description: Ask / Report an issue related to the documentation.
-title: "DOC: <description>"
-labels: ['bug', 'docs']
+title: 'DOC: <description>'
+labels: [bug, docs]
 
 body:
-  - type: markdown
-    attributes:
-      value: >
-        **Thank you for wanting to report a problem with manim-slides docs!**
+- type: markdown
+  attributes:
+    value: >
+      **Thank you for wanting to report a problem with manim-slides docs!**
 
 
-        If the problem seems straightforward, feel free to submit a PR instead!
+      If the problem seems straightforward, feel free to submit a PR instead!
 
 
-        ⚠
-        Verify first that your issue is not already reported on GitHub [Issues].
+      ⚠
+      Verify first that your issue is not already reported on GitHub [Issues].
 
 
-        [Issues]:
-        https://github.com/jeertmans/manim-slides/issues
+      [Issues]:
+      https://github.com/jeertmans/manim-slides/issues
 
-  - type: textarea
-    attributes:
-      label: Describe the Issue
-      description: A clear and concise description of the issue you encountered.
-    validations:
-      required: true
+- type: textarea
+  attributes:
+    label: Describe the Issue
+    description: A clear and concise description of the issue you encountered.
+  validations:
+    required: true
 
-  - type: input
-    attributes:
-      label: Affected Page
-      description: Add a link to page with the problem.
-    validations:
-      required: true
+- type: input
+  attributes:
+    label: Affected Page
+    description: Add a link to page with the problem.
+  validations:
+    required: true
 
-  - type: dropdown
-    attributes:
-      label: Issue Type
-      description: >
-        Please select the option in the drop-down.
+- type: dropdown
+  attributes:
+    label: Issue Type
+    description: >
+      Please select the option in the drop-down.
 
-        <details>
-          <summary>
-            <em>Issue?</em>
-          </summary>
-        </details>
-      options:
-        - Documentation Enhancement
-        - Documentation Report
-    validations:
-      required: true
+      <details>
+        <summary>
+          <em>Issue?</em>
+        </summary>
+      </details>
+    options:
+    - Documentation Enhancement
+    - Documentation Report
+  validations:
+    required: true
 
-  - type: textarea
-    attributes:
-      label: Recommended fix or suggestions
-      description: A clear and concise description of how you want to update it.
-    validations:
-      required: false
+- type: textarea
+  attributes:
+    label: Recommended fix or suggestions
+    description: A clear and concise description of how you want to update it.
+  validations:
+    required: false

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -1,26 +1,26 @@
 name: Feature Request
 description: Have a new idea/feature? Please suggest!
-labels: "enhancement"
+labels: enhancement
 title: '[FEATURE] <description>'
 body:
-  - type: textarea
-    id: description
-    attributes:
-      label: Description
-      description: A brief description of the enhancement you propose, also include what you tried and what worked.
-    validations:
-      required: true
-  - type: textarea
-    id: screenshots
-    attributes:
-      label: Screenshots
-      description: Please add screenshots if applicable
-    validations:
-      required: false
-  - type: textarea
-    id: extrainfo
-    attributes:
-      label: Additional information
-      description: Is there anything else we should know about this idea?
-    validations:
-      required: false
+- type: textarea
+  id: description
+  attributes:
+    label: Description
+    description: A brief description of the enhancement you propose, also include what you tried and what worked.
+  validations:
+    required: true
+- type: textarea
+  id: screenshots
+  attributes:
+    label: Screenshots
+    description: Please add screenshots if applicable
+  validations:
+    required: false
+- type: textarea
+  id: extrainfo
+  attributes:
+    label: Additional information
+    description: Is there anything else we should know about this idea?
+  validations:
+    required: false

.github/ISSUE_TEMPLATE/support.yml

@@ -1,14 +1,14 @@
 name: Question/Help/Support
 description: Ask us about Manim Slides
-title: "Support: Ask us anything"
-labels: ['help', 'question']
+title: 'Support: Ask us anything'
+labels: [help, question]
 
 body:
-  - type: textarea
-    attributes:
-      label: "Please explain the issue you're experiencing (with as much detail as possible):"
-      description: >
-        Please make sure to leave a reference to the document/code you're
-        referring to.
-    validations:
-      required: true
+- type: textarea
+  attributes:
+    label: "Please explain the issue you're experiencing (with as much detail as possible):"
+    description: >
+      Please make sure to leave a reference to the document/code you're
+      referring to.
+  validations:
+    required: true

.github/workflows/codeql-analysis.yml

@@ -9,16 +9,16 @@
 # the `language` matrix defined below to confirm you have the correct set of
 # supported CodeQL languages.
 #
-name: "CodeQL"
+name: CodeQL
 
 on:
   push:
-    branches: [ "main" ]
+    branches: [main]
   pull_request:
     # The branches below must be a subset of the branches above
-    branches: [ "main" ]
+    branches: [main]
   schedule:
-    - cron: '45 3 * * 2'
+  - cron: 45 3 * * 2
 
 jobs:
   analyze:
@@ -32,7 +32,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        language: [ 'python' ]
+        language: [python]
         # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby' ]
         # Learn more about CodeQL language support at https://aka.ms/codeql-docs/language-support
 

.github/workflows/languagetool.yml

@@ -8,8 +8,8 @@ jobs:
   languagetool_check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
-      - uses: reviewdog/action-languagetool@v1
-        with:
-          reporter: github-pr-review
-          level: warning
+    - uses: actions/checkout@v1
+    - uses: reviewdog/action-languagetool@v1
+      with:
+        reporter: github-pr-review
+        level: warning

.github/workflows/pages.yml

@@ -4,7 +4,9 @@ name: Deploy static content to Pages
 on:
   # Runs on pushes targeting the default branch
   push:
-    branches: ["main"]
+    branches: [main]
+
+  pull_request:
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
@@ -17,7 +19,7 @@ permissions:
 
 # Allow one concurrent deployment
 concurrency:
-  group: "pages"
+  group: pages
   cancel-in-progress: true
 
 jobs:
@@ -28,23 +30,52 @@ jobs:
       url: ${{ steps.deployment.outputs.page_url }}
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Setup Pages
-        uses: actions/configure-pages@v2
-      - name: Install Linux Dependencies
-        run: sudo apt install libcairo2-dev libpango1.0-dev ffmpeg
-      - name: Install Python dependencies
-        run: pip install manim sphinx sphinx_click furo
-      - name: Install local Python package
-        run: pip install -e .
-      - name: Build docs
-        run: cd docs && make html
-      - name: Upload artifact
-        uses: actions/upload-pages-artifact@v1
-        with:
-          # Upload docs/build/html dir
-          path: 'docs/build/html/'
-      - name: Deploy to GitHub Pages
-        id: deployment
-        uses: actions/deploy-pages@v1
+    - name: Checkout
+      uses: actions/checkout@v3
+    - name: Install Poetry
+      run: pipx install poetry
+    - name: Install Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.9'
+        cache: poetry
+    - name: Setup Pages
+      uses: actions/configure-pages@v2
+    - name: Install Linux Dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get install libcairo2-dev libpango1.0-dev ffmpeg freeglut3-dev
+    - name: Install Python dependencies
+      run: pip install manim sphinx sphinx_click furo
+    - name: Install local Python package
+      run: poetry install --with docs
+    - name: Restore cached media
+      id: cache-media-restore
+      uses: actions/cache/restore@v3
+      with:
+        path: media
+        key: ${{ runner.os }}-media
+    - name: Build animation and convert it into HTML slides
+      run: |
+        poetry run manim example.py ConvertExample BasicExample ThreeDExample
+        poetry run manim-slides convert ConvertExample docs/source/_static/slides.html -ccontrols=true
+        poetry run manim-slides convert BasicExample docs/source/_static/basic_example.html -ccontrols=true
+        poetry run manim-slides convert ThreeDExample docs/source/_static/three_d_example.html -ccontrols=true
+    - name: Save media to cache
+      id: cache-media-save
+      uses: actions/cache/save@v3
+      with:
+        path: media
+        key: ${{ steps.cache-media-restore.outputs.cache-primary-key }}
+    - name: Build docs
+      run: cd docs && poetry run make html
+    - name: Upload artifact
+      if: github.event_name != 'pull_request'
+      uses: actions/upload-pages-artifact@v1
+      with:
+        # Upload docs/build/html dir
+        path: docs/build/html/
+    - name: Deploy to GitHub Pages
+      id: deployment
+      if: github.event_name != 'pull_request'
+      uses: actions/deploy-pages@v1

.github/workflows/python-publish.yml

@@ -1,4 +1,4 @@
-# From: https://github.com/pypa/cibuildwheel
+# Modified from: https://github.com/pypa/cibuildwheel
 name: Upload Python Package
 
 on:
@@ -16,40 +16,33 @@ jobs:
         os: [ubuntu-latest]
 
     steps:
-      - uses: actions/checkout@v2
+    - uses: actions/checkout@v2
 
-      # Used to host cibuildwheel
-      - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v2
 
-      - name: Install deps
-        run: sudo apt-get install libsdl-pango-dev
+    - name: Install build package
+      run: python -m pip install -U build
 
-      - name: Install packages
-        run: python -m pip install -U manim tqdm
+    - name: Build wheels
+      run: python -m build --sdist
 
-      - name: Install cibuildwheel
-        run: python -m pip install -U setuptools wheel pip
-
-      - name: Build wheels
-        run: python setup.py sdist
-
-      - uses: actions/upload-artifact@v2
-        with:
-          name: dist
-          path: dist/*.tar.*
+    - uses: actions/upload-artifact@v2
+      with:
+        name: dist
+        path: dist/*.tar.*
 
   release:
     name: Release
     if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
     runs-on: ubuntu-latest
-    needs: [ build_wheels ]
+    needs: [build_wheels]
     steps:
-      - uses: actions/download-artifact@v2
-        with:
-          name: dist
-          path: dist/
-      - name: Upload to PyPI
-        uses: pypa/gh-action-pypi-publish@master
-        with:
-          user: __token__
-          password: ${{ secrets.PYPI_API_TOKEN }}
+    - uses: actions/download-artifact@v2
+      with:
+        name: dist
+        path: dist/
+    - name: Upload to PyPI
+      uses: pypa/gh-action-pypi-publish@master
+      with:
+        user: __token__
+        password: ${{ secrets.PYPI_API_TOKEN }}

.github/workflows/test_examples.yml

@@ -1,103 +1,120 @@
 on:
   pull_request:
     paths:
-      - '**.py'
+    - '**.py'
+    - .github/workflows/test_examples.yml
   workflow_dispatch:
 
 name: Test Examples
 
 env:
   QT_QPA_PLATFORM: offscreen
+  MANIM_SLIDES_VERBOSITY: debug
+  PYTHONFAULTHANDLER: 1
+  DISPLAY: :99
 
 jobs:
   build-examples:
     strategy:
+      fail-fast: false
       matrix:
         manim: [manim, manimgl]
         os: [macos-latest, ubuntu-latest, windows-latest]
-        pyversion: ['3.7', '3.8', '3.9', '3.10']
+        pyversion: ['3.8', '3.9', '3.10', '3.11']
         exclude:
         # excludes manimgl on Windows because if throws errors
         # related to OpenGL, which seems hard to fix:
         # Your graphics drivers do not support OpenGL 2.0.
         - os: windows-latest
           manim: manimgl
-        # manimgl actually requires Python >= 3.8, see:
-        # https://github.com/3b1b/manim/issues/1808
-        - manim: manimgl
-          pyversion: '3.7'
-        # We only test Python 3.10 on Windows and MacOS
-        - os: windows-latest
-          pyversion: '3.7'
+        # We only test Python 3.11 on Windows and MacOS
         - os: windows-latest
           pyversion: '3.8'
         - os: windows-latest
           pyversion: '3.9'
-        - os: macos-latest
-          pyversion: '3.7'
+        - os: windows-latest
+          pyversion: '3.10'
+          manim: manim
         - os: macos-latest
           pyversion: '3.8'
         - os: macos-latest
           pyversion: '3.9'
+        - os: macos-latest
+          pyversion: '3.10'
+          manim: manim
     runs-on: ${{ matrix.os }}
     steps:
-      - name: Checkout repository
-        uses: actions/checkout@v3
-      - name: Install Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: ${{ matrix.pyversion }}
-      - name: Append to Path on MacOS and Ubuntu
-        if: matrix.os == 'macos-latest' || matrix.os == 'ubuntu-latest'
-        run: echo "${HOME}/.local/bin" >> $GITHUB_PATH
-      - name: Append to Path on Windows
-        if: matrix.os == 'windows-latest'
-        run: echo "${HOME}/.local/bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
-      - name: Install MacOS dependencies (manim only)
-        if: matrix.os == 'macos-latest' && matrix.manim == 'manim'
-        run: brew install py3cairo
-      - name: Install MacOS dependencies
-        if: matrix.os == 'macos-latest'
-        run: brew install ffmpeg
-      - name: Install Ubuntu dependencies
-        if: matrix.os == 'ubuntu-latest'
-        run: sudo apt install libcairo2-dev libpango1.0-dev ffmpeg freeglut3-dev xvfb
-      - name: Install Windows dependencies
-        if: matrix.os == 'windows-latest'
-        run: choco install ffmpeg
-      - name: Install manim on MacOs
-        if: matrix.manim == 'manim' && matrix.os == 'macos-latest'
-        run: pip3 install --user manim
-      - name: Install manim on Ubuntu and Windows
-        if: matrix.manim == 'manim' && (matrix.os == 'ubuntu-latest' || matrix.os == 'windows-latest')
-        run: python -m pip install --user manim
-      - name: Install manimgl on MacOs
-        if: matrix.manim == 'manimgl' && matrix.os == 'macos-latest'
-        run: pip3 install --user manimgl
-      - name: Install manimgl on Ubuntu and Windows
-        if: matrix.manim == 'manimgl' && matrix.os != 'macos-latest'
-        run: python -m pip install --user manimgl
-      - name: Install manim-slides on MacOS
-        if: matrix.os == 'macos-latest'
-        run: pip3 install --user .
-      - name: Install manim-slides on Ubuntu
-        if: matrix.os == 'ubuntu-latest'
-        run: xvfb-run -a -s "-screen 0 1400x900x24" python -m pip install --user .
-      - name: Install manim-slides on Windows
-        if: matrix.os == 'windows-latest'
-        run: pip3 install -e .
-      - name: Build slides with manim
-        if: matrix.manim == 'manim'
-        run: python -m manim -ql example.py Example ThreeDExample
-      - name: Build slides with manimgl on Ubuntu
-        if: matrix.manim == 'manimgl' && matrix.os == 'ubuntu-latest'
-        run: xvfb-run -a -s "-screen 0 1400x900x24" manim-render -l example.py Example ThreeDExample
-      - name: Build slides with manimgl on MacOS or Windows
-        if: matrix.manim == 'manimgl' && (matrix.os == 'macos-latest' || matrix.os == 'windows-latest')
-        run: manimgl -l example.py Example ThreeDExample
-      - name: Test slides on Ubuntu
-        if: matrix.os == 'ubuntu-latest'
-        run: xvfb-run -a -s "-screen 0 1400x900x24" manim-slides Example ThreeDExample --skip-all
-      - name: Test slides on MacOS or Windows
-        if: matrix.os == 'macos-latest' || matrix.os == 'windows-latest'
-        run: manim-slides Example ThreeDExample --skip-all
+    - name: Checkout repository
+      uses: actions/checkout@v3
+    - name: Install Poetry
+      run: pipx install poetry
+    - name: Install Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.pyversion }}
+        cache: poetry
+
+      # Path related stuff
+    - name: Append to Path on MacOS
+      if: matrix.os == 'macos-latest'
+      run: |
+        echo "${HOME}/.local/bin" >> $GITHUB_PATH
+        echo "/Users/runner/Library/Python/${{ matrix.pyversion }}/bin" >> $GITHUB_PATH
+    - name: Append to Path on Ubuntu
+      if: matrix.os == 'ubuntu-latest'
+      run: echo "${HOME}/.local/bin" >> $GITHUB_PATH
+    - name: Append to Path on Windows
+      if: matrix.os == 'windows-latest'
+      run: echo "${HOME}/.local/bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+
+      # OS depedencies
+    - name: Install manim dependencies on MacOs
+      if: matrix.os == 'macos-latest' && matrix.manim == 'manim'
+      run: brew install ffmpeg py3cairo
+    - name: Install manimgl dependencies on MacOS
+      if: matrix.os == 'macos-latest' && matrix.manim == 'manimgl'
+      run: brew install ffmpeg
+    - name: Run apt-get update on Ubuntu
+      if: matrix.os == 'ubuntu-latest'
+      run: sudo apt-get update
+    - name: Install manim dependencies on Ubuntu
+      if: matrix.os == 'ubuntu-latest' && matrix.manim == 'manim'
+      run: |
+        sudo apt-get install libcairo2-dev libpango1.0-dev ffmpeg freeglut3-dev
+    - name: Install manimgl dependencies on Ubuntu
+      if: matrix.os == 'ubuntu-latest' && matrix.manim == 'manimgl'
+      run: |
+        sudo apt-get install libpango1.0-dev ffmpeg freeglut3-dev
+    - name: Install xvfb on Ubuntu
+      if: matrix.os == 'ubuntu-latest' && matrix.manim == 'manimgl'
+      run: |
+        sudo apt-get install xvfb
+        nohup Xvfb $DISPLAY &
+    - name: Install Windows dependencies
+      if: matrix.os == 'windows-latest'
+      run: choco install ffmpeg
+
+      # Install Manim Slides
+    - name: Install Manim Slides
+      run: |
+        poetry config experimental.new-installer false
+        poetry install --with test
+
+    # Render slides
+    - name: Render slides
+      if: matrix.manim == 'manim'
+      run: poetry run manim -ql example.py BasicExample ThreeDExample
+    - name: Render slides
+      if: matrix.manim == 'manimgl'
+      run: poetry run -v manimgl -l example.py BasicExample ThreeDExample
+
+    # Play slides
+    - name: Test slides
+      run: poetry run manim-slides BasicExample ThreeDExample --skip-all
+
+    # Test slides to html
+    - name: Test convert on Ubuntu
+      if: matrix.os == 'ubuntu-latest' && matrix.manim == 'manim'
+      run: |
+        poetry run manim -ql example.py ConvertExample
+        poetry run manim-slides convert --to=html ConvertExample index.html

.gitignore

@@ -19,3 +19,19 @@ videos/
 images/
 
 docs/build/
+
+docs/source/_static/slides_assets/
+
+docs/source/_static/slides.html
+
+slides_assets/
+
+slides.html
+
+docs/source/_static/basic_example_assets/
+
+docs/source/_static/basic_example.html
+
+docs/source/_static/three_d_example.html
+
+docs/source/_static/three_d_example_assets/

.pre-commit-config.yaml

@@ -1,62 +1,34 @@
 repos:
--   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.3.0
-    hooks:
-    -   id: check-yaml
-    -   id: end-of-file-fixer
-    -   id: trailing-whitespace
--   repo: https://github.com/psf/black
-    rev: 22.10.0
-    hooks:
-    -   id: black
--   repo: https://github.com/pycqa/isort
-    rev: 5.10.1
-    hooks:
-      - id: isort
-        name: isort (python)
-        args: ["--profile", "black"]
--   repo: https://github.com/psf/black
-    rev: 22.10.0
-    hooks:
-      - id: black
--   repo: https://github.com/PyCQA/flake8
-    rev: 5.0.4
-    hooks:
-      - id: flake8
-        additional_dependencies:
-        - flake8-bugbear
-        - flake8-comprehensions
-        - flake8-tidy-imports
-        - flake8-typing-imports
--   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: 'v0.982'
-    hooks:
-    -   id: mypy
-        args:
-        - --install-types
-        - --non-interactive
-        - --ignore-missing-imports
-        # Disallow dynamic typing
-        - --disallow-any-unimported
-        - --disallow-any-generics
-        - --disallow-subclassing-any
-
-        # Disallow untyped definitions and calls
-        - --disallow-untyped-defs
-        - --disallow-incomplete-defs
-        - --check-untyped-defs
-
-        # None and optional handling
-        - --no-implicit-optional
-
-        # Configuring warnings
-        - --warn-unused-ignores
-        - --warn-no-return
-        - --warn-return-any
-        - --warn-redundant-casts
-
-        # Strict equality
-        - --strict-equality
-
-        # Config file
-        - --warn-unused-configs
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v4.4.0
+  hooks:
+  - id: check-yaml
+  - id: check-toml
+  - id: end-of-file-fixer
+  - id: trailing-whitespace
+- repo: https://github.com/pycqa/isort
+  rev: 5.12.0
+  hooks:
+  - id: isort
+    name: isort (python)
+- repo: https://github.com/macisamuele/language-formatters-pre-commit-hooks
+  rev: v2.7.0
+  hooks:
+  - id: pretty-format-yaml
+    args: [--autofix]
+  - id: pretty-format-toml
+    exclude: poetry.lock
+    args: [--autofix]
+- repo: https://github.com/psf/black
+  rev: 23.1.0
+  hooks:
+  - id: black
+- repo: https://github.com/charliermarsh/ruff-pre-commit
+  rev: v0.0.249
+  hooks:
+  - id: ruff
+- repo: https://github.com/pre-commit/mirrors-mypy
+  rev: v1.0.1
+  hooks:
+  - id: mypy
+    additional_dependencies: [types-requests, types-setuptools]

LICENSE.md

@@ -1,674 +1,21 @@
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-combined work, and to convey the resulting work.  The terms of this
-License will continue to apply to the part which is the covered work,
-but the special requirements of the GNU Affero General Public License,
-section 13, concerning interaction through a network will apply to the
-combination as such.
-
-  14. Revised Versions of this License.
-
-  The Free Software Foundation may publish revised and/or new versions of
-the GNU General Public License from time to time.  Such new versions will
-be similar in spirit to the present version, but may differ in detail to
-address new problems or concerns.
-
-  Each version is given a distinguishing version number.  If the
-Program specifies that a certain numbered version of the GNU General
-Public License "or any later version" applies to it, you have the
-option of following the terms and conditions either of that numbered
-version or of any later version published by the Free Software
-Foundation.  If the Program does not specify a version number of the
-GNU General Public License, you may choose any version ever published
-by the Free Software Foundation.
-
-  If the Program specifies that a proxy can decide which future
-versions of the GNU General Public License can be used, that proxy's
-public statement of acceptance of a version permanently authorizes you
-to choose that version for the Program.
-
-  Later license versions may give you additional or different
-permissions.  However, no additional obligations are imposed on any
-author or copyright holder as a result of your choosing to follow a
-later version.
-
-  15. Disclaimer of Warranty.
-
-  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
-APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
-HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
-OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
-THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
-IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
-ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
-
-  16. Limitation of Liability.
-
-  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
-WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
-THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
-GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
-USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
-DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
-PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
-EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
-SUCH DAMAGES.
-
-  17. Interpretation of Sections 15 and 16.
-
-  If the disclaimer of warranty and limitation of liability provided
-above cannot be given local legal effect according to their terms,
-reviewing courts shall apply local law that most closely approximates
-an absolute waiver of all civil liability in connection with the
-Program, unless a warranty or assumption of liability accompanies a
-copy of the Program in return for a fee.
-
-                     END OF TERMS AND CONDITIONS
-
-            How to Apply These Terms to Your New Programs
-
-  If you develop a new program, and you want it to be of the greatest
-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these terms.
-
-  To do so, attach the following notices to the program.  It is safest
-to attach them to the start of each source file to most effectively
-state the exclusion of warranty; and each file should have at least
-the "copyright" line and a pointer to where the full notice is found.
-
-    <one line to give the program's name and a brief idea of what it does.>
-    Copyright (C) <year>  <name of author>
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-Also add information on how to contact you by electronic and paper mail.
-
-  If the program does terminal interaction, make it output a short
-notice like this when it starts in an interactive mode:
-
-    <program>  Copyright (C) <year>  <name of author>
-    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
-    This is free software, and you are welcome to redistribute it
-    under certain conditions; type `show c' for details.
-
-The hypothetical commands `show w' and `show c' should show the appropriate
-parts of the General Public License.  Of course, your program's commands
-might be different; for a GUI interface, you would use an "about box".
-
-  You should also get your employer (if you work as a programmer) or school,
-if any, to sign a "copyright disclaimer" for the program, if necessary.
-For more information on this, and how to apply and follow the GNU GPL, see
-<https://www.gnu.org/licenses/>.
-
-  The GNU General Public License does not permit incorporating your program
-into proprietary programs.  If your program is a subroutine library, you
-may consider it more useful to permit linking proprietary applications with
-the library.  If this is what you want to do, use the GNU Lesser General
-Public License instead of this License.  But first, please read
-<https://www.gnu.org/licenses/why-not-lgpl.html>.
+MIT License
+
+Copyright (c) 2023 Jérome Eertmans
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -7,7 +7,7 @@
 
 Tool for live presentations using either [Manim (community edition)](https://www.manim.community/) or [ManimGL](https://3b1b.github.io/manim/). Manim Slides will *automatically* detect the one you are using!
 
-> **_NOTE:_**  This project extends the work of [`manim-presentation`](https://github.com/galatolofederico/manim-presentation), with a lot more features!
+> **NOTE:** this project extends the work of [`manim-presentation`](https://github.com/galatolofederico/manim-presentation), with a lot more features!
 
 - [Installation](#installation)
   * [Dependencies](#dependencies)
@@ -16,24 +16,31 @@ Tool for live presentations using either [Manim (community edition)](https://www
 - [Usage](#usage)
   * [Basic Example](#basic-example)
   * [Key Bindings](#key-bindings)
+  * [Interactive Tutorial](#interactive-tutorial)
   * [Other Examples](#other-examples)
-- [Features and Comparison with Original manim-presentation](#features-and-comparison-with-original-manim-presentation)
+- [Comparison with Similar Tools](#comparison-with-similar-tools)
 - [F.A.Q](#faq)
   * [How to increase quality on Windows](#how-to-increase-quality-on-windows)
 - [Contributing](#contributing)
 
 ## Installation
 
-While installing Manim Slides and its dependencies on your global Python is fine, I recommend using a [virtualenv](https://docs.python.org/3/tutorial/venv.html) for a local installation.
+<!-- start install -->
+
+While installing Manim Slides and its dependencies on your global Python is fine, I recommend using a virtual environment (e.g., [venv](https://docs.python.org/3/tutorial/venv.html)) for a local installation.
 
 ### Dependencies
 
+<!-- start deps -->
+
 Manim Slides requires either Manim or ManimGL to be installed. Having both packages installed is fine too.
 
 If none of those packages are installed, please refer to their specific installation guidelines:
 - [Manim](https://docs.manim.community/en/stable/installation.html)
 - [ManimGL](https://3b1b.github.io/manim/getting_started/installation.html)
 
+<!-- end deps -->
+
 ### Pip Install
 
 The recommended way to install the latest release is to use pip:
@@ -44,26 +51,22 @@ pip install manim-slides
 
 ### Install From Repository
 
-An alternative way to install Manim Slides is to clone the git repository, and install from there:
+An alternative way to install Manim Slides is to clone the git repository, and install from there: read the [contributing guide](https://eertmans.be/manim-slides/contributing/workflow.html) to know how.
 
-```bash
-git clone https://github.com/jeertmans/manim-slides
-pip install -e .
-```
-
-> *Note:* the `-e` flag allows you to edit the files, and observe the changes directly when using Manim Slides
+<!-- end install -->
 
 ## Usage
 
+<!-- start usage -->
+
 Using Manim Slides is a two-step process:
 1. Render animations using `Slide` (resp. `ThreeDSlide`) as a base class instead of `Scene` (resp. `ThreeDScene`), and add calls to `self.pause()` everytime you want to create a new slide.
 2. Run `manim-slides` on rendered animations and display them like a *Power Point* presentation.
 
-The command-line documentation is available [online](https://eertmans.be/manim-slides/).
+The documentation is available [online](https://eertmans.be/manim-slides/).
 
 ### Basic Example
 
-
 Wrap a series of animations between `self.start_loop()` and `self.stop_loop()` when you want to loop them (until input to continue):
 
 ```python
@@ -73,7 +76,7 @@ from manim import *
 # or: from manimlib import *
 from manim_slides import Slide
 
-class Example(Slide):
+class BasicExample(Slide):
     def construct(self):
         circle = Circle(radius=3, color=BLUE)
         dot = Dot()
@@ -87,18 +90,14 @@ class Example(Slide):
 
         self.play(dot.animate.move_to(ORIGIN))
         self.pause()  # Waits user to press continue to go to the next slide
-
-        self.wait()
 ```
 
-You **must** end your `Slide` with a `self.play(...)` or a `self.wait(...)`.
-
 First, render the animation files:
 
 ```bash
-manim example.py
+manim example.py BasicExample
 # or
-manimgl example.py
+manimgl example.py BasicExample
 ```
 
 To start the presentation using `Scene1`, `Scene2` and so on simply run:
@@ -110,9 +109,11 @@ manim-slides [OPTIONS] Scene1 Scene2...
 Or in this example:
 
 ```bash
-manim-slides Example
+manim-slides BasicExample
 ```
 
+<!-- end usage -->
+
 ##  Key Bindings
 
 The default key bindings to control the presentation are:
@@ -134,6 +135,12 @@ manim-slides init
 
 > **_NOTE:_**  `manim-slides` uses key codes, which are platform dependent. Using the configuration wizard is therefore highly recommended.
 
+## Interactive Tutorial
+
+Click on the image to watch a slides presentation that explains you how to use Manim Slides.
+
+[![Manim Slides Docs](https://raw.githubusercontent.com/jeertmans/manim-slides/main/static/docs.png)](https://eertmans.be/manim-slides/)
+
 ## Other Examples
 
 Other examples are available in the [`example.py`](https://github.com/jeertmans/manim-slides/blob/main/example.py) file, if you downloaded the git repository.
@@ -143,27 +150,21 @@ Below is a small recording of me playing with the slides back and forth.
 ![](https://raw.githubusercontent.com/jeertmans/manim-slides/main/static/example.gif)
 
 
-## Features and Comparison with original manim-presentation
+## Comparison with Similar Tools
 
-Below is a non-exhaustive list of features:
+There exists are variety of tools that allows to create slides presentations containing Manim animations.
 
-| Feature | `manim-slides` | `manim-presentation` |
-|:--------|:--------------:|:--------------------:|
-| Support for Manim | :heavy_check_mark: | :heavy_check_mark: |
-| Support for ManimGL | :heavy_check_mark: | :heavy_multiplication_x: |
-| Configurable key bindings | :heavy_check_mark: | :heavy_check_mark: |
-| Configurable paths | :heavy_check_mark: | :heavy_multiplication_x: |
-| Play / Pause slides | :heavy_check_mark: | :heavy_check_mark: |
-| Next / Previous slide | :heavy_check_mark: | :heavy_check_mark: |
-| Replay slide | :heavy_check_mark: | :heavy_check_mark: |
-| Reverse slide | :heavy_check_mark: | :heavy_multiplication_x: |
-| Multiple key per actions | :heavy_check_mark: | :heavy_multiplication_x: |
-| One command line tool | :heavy_check_mark: | :heavy_multiplication_x: |
-| Robust config file parsing | :heavy_check_mark: | :heavy_multiplication_x: |
-| Support for 3D Scenes | :heavy_check_mark: | :heavy_multiplication_x: |
-| Documented code | :heavy_check_mark: | :heavy_multiplication_x: |
-| Tested on Unix, macOS, and Windows | :heavy_check_mark: | :heavy_multiplication_x: |
-| Hide mouse cursor | :heavy_check_mark: | :heavy_multiplication_x: |
+Below is a comparison of the most used ones with Manim Slides:
+
+| Project name | Manim Slides | Manim Presentation | Manim Editor | Jupyter Notebooks |
+|:------------:|:------------:|:------------------:|:------------:|:-----------------:|
+| Link | [![GitHub Repo stars](https://img.shields.io/github/stars/jeertmans/manim-slides?style=social)](https://github.com/jeertmans/manim-slides) | [![GitHub Repo stars](https://img.shields.io/github/stars/galatolofederico/manim-presentation?style=social)](https://github.com/galatolofederico/manim-presentation) | [![GitHub Repo stars](https://img.shields.io/github/stars/ManimCommunity/manim_editor?style=social)](https://github.com/ManimCommunity/manim_editor) | [![GitHub Repo stars](https://img.shields.io/github/stars/jupyter/notebook?style=social)](https://github.com/jupyter/notebook) |
+| Activity | [![GitHub Repo stars](https://img.shields.io/github/last-commit/jeertmans/manim-slides?style=social)](https://github.com/jeertmans/manim-slides) | [![GitHub Repo stars](https://img.shields.io/github/last-commit/galatolofederico/manim-presentation?style=social)](https://github.com/galatolofederico/manim-presentation) | [![GitHub Repo stars](https://img.shields.io/github/last-commit/ManimCommunity/manim_editor?style=social)](https://github.com/ManimCommunity/manim_editor) | [![GitHub Repo stars](https://img.shields.io/github/last-commit/jupyter/notebook?style=social)](https://github.com/jupyter/notebook) |
+| Usage | Command-line | Command-line | Web Browser | Notebook |
+| Note | Requires minimal modif. in scenes files | Requires minimal modif. in scenes files |  Requires the usage of sections, and configuration through graphical interface | Relies on `nbconvert` to create slides from a Notebook |
+| Support for ManimGL | Yes | No | No | No |
+| Web Browser presentations | Yes | No | Yes | No |
+| Offline presentations | Yes, with Qt | Yes, with OpenCV | No | No
 
 ## F.A.Q
 
@@ -178,7 +179,7 @@ in *Settings*->*Display*.
 
 ## Contributing
 
-Contributions are more than welcome!
+Contributions are more than welcome! Please read through [our contributing section](https://eertmans.be/manim-slides/contributing/index.html).
 
 [pypi-version-badge]: https://img.shields.io/pypi/v/manim-slides?label=manim-slides
 [pypi-version-url]: https://pypi.org/project/manim-slides/

docs/source/changelog.md

@@ -0,0 +1,3 @@
+# Changelog
+
+Changes between releases are listed in Manim Slides' [Github releases](https://github.com/jeertmans/manim-slides/releases). You can read the [latest release here](https://github.com/jeertmans/manim-slides/releases).

docs/source/conf.py

@@ -8,13 +8,21 @@
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#project-information
 
 project = "Manim Slides"
-copyright = "2022, Jérome Eertmans"
+copyright = "2023, Jérome Eertmans"
 author = "Jérome Eertmans"
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
 
-extensions = ["sphinx.ext.autodoc", "sphinx_click"]
+extensions = [
+    "sphinx.ext.autodoc",
+    "sphinx.ext.intersphinx",
+    "sphinx.ext.viewcode",
+    "sphinxext.opengraph",
+    "sphinx_click",
+    "myst_parser",
+    "sphinx_copybutton",
+]
 
 templates_path = ["_templates"]
 exclude_patterns = []
@@ -25,3 +33,34 @@ exclude_patterns = []
 
 html_theme = "furo"
 html_static_path = ["_static"]
+
+html_theme_options = {
+    "footer_icons": [
+        {
+            "name": "GitHub",
+            "url": "https://github.com/jeertmans/manim-slides",
+            "html": """
+                <svg stroke="currentColor" fill="currentColor" stroke-width="0" viewBox="0 0 16 16">
+                    <path fill-rule="evenodd" d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0 0 16 8c0-4.42-3.58-8-8-8z"></path>
+                </svg>
+            """,
+            "class": "",
+        },
+    ],
+    "source_repository": "https://github.com/jeertmans/manim-slides/",
+    "source_branch": "main",
+    "source_directory": "docs/source/",
+}
+
+# -- Intersphinx mapping
+
+intersphinx_mapping = {
+    "python": ("https://docs.python.org/3", None),
+    "manim": ("https://docs.manim.community/en/stable/", None),
+    "manimlib": ("https://3b1b.github.io/manim/", None),
+}
+
+# -- OpenGraph settings
+
+ogp_site_url = "https://eertmans.be/manim-slides/"
+ogp_use_first_image = True

docs/source/contributing/index.md

@@ -0,0 +1,21 @@
+# Contributing
+
+Thank you for your interest in Manim Slides! ✨
+
+Manim Slides is an open source project, first created as a fork of [manim-presentation](https://github.com/galatolofederico/manim-presentation) (now deprecated in favor to Manim Slides), and we welcome contributions of all forms.
+
+This section is here to help fist-time contributors know how they can help this project grow. Whether you are already familiar with Manim or GitHub, it is worth taking a few minutes to read those documents!
+
+
+```{toctree}
+:hidden:
+
+workflow
+internals
+```
+
+[Workflow](./workflow)
+: how to work on this project. Start here if you're a new contributor.
+
+[Internals](./internals)
+: how Manim Slides is built and how the various parts of it work.

docs/source/contributing/internals.md

@@ -0,0 +1,11 @@
+# Internals
+
+Manim-Slides' work in split in two steps: first, when rendering animation, and, second, when converting multiple animations into one slides presentation.
+
+## Rendering
+
+To render animations, Manim Slides simply uses Manim or ManimGL, and creates some additional output files that it needs for the presentation.
+
+## Slides presentation
+
+Manim Slides searches for the local artifacts it generated previously, and concatenates them into one presentation. For the graphical interface, it uses `PySide6`.

docs/source/contributing/workflow.md

@@ -0,0 +1,57 @@
+# Workflow
+
+This document is there to help you recreate a working environment for Manim Slides.
+
+## Dependencies
+
+```{include} ../../../README.md
+:start-after: <!-- start deps -->
+:end-before: <!-- end deps -->
+```
+
+## Forking the repository and cloning it locally
+
+We used GitHub to host Manim Slides' repository, and we encourage contributors to use git.
+
+Useful links:
+
+* [GitHub's Hello World](https://docs.github.com/en/get-started/quickstart/hello-world).
+* [GitHub Pull Request in 100 Seconds](https://www.youtube.com/watch?v=8lGpZkjnkt4&ab_channel=Fireship).
+
+Once you feel comfortable with git and GitHub, [fork](https://github.com/jeertmans/manim-slides/fork) the repository, and clone it locally.
+
+As for every Python project, using virtual environment is recommended to avoid conflicts between modules. For Manim Slides, we use [Poetry](https://python-poetry.org/docs/#installing-with-the-official-installer). If not already, please install it.
+
+## Installing Python modules
+
+With Poetry, installation becomes straightforward:
+
+```bash
+poetry install
+```
+
+## Running commands
+
+As modules were installed in a new Python environment, you cannot use them directly in the shell.
+Instead, you either need to prepend `poetry run` to any command, e.g.:
+
+```bash
+poetry run manim-slides wizard
+```
+
+or enter a new shell that uses this new Python environment:
+
+```
+poetry run
+manim-slides wizard
+```
+
+## Testing your code
+
+Most of the tests are done with GitHub actions, thus not on your computer. The only command you should run locally is `pre-commit run --all-files`: this runs a few linter and formatter to make sure the code quality and style stay constant across time. If a warning or an error is displayed, please fix it before going to next step.
+
+## Proposing changes
+
+Once you feel ready and think your contribution is ready to be reviewed, create a [pull request](https://github.com/jeertmans/manim-slides/pulls) and wait for a reviewer to check your work!
+
+Many thanks to you!

docs/source/index.md

@@ -0,0 +1,42 @@
+---
+hide-toc: true
+og:description: Manim Slides makes creating slides with Manim super easy!
+---
+
+```{eval-rst}
+.. image:: _static/logo.png
+    :width: 600px
+    :align: center
+    :alt: Manim Slide logo
+```
+
+# Welcome to Manim Slide's documentation
+
+Manim Slides makes creating slides with Manim super easy!
+
+In a [very few steps](./quickstart), you can create slides and present them either using the GUI, or your browser.
+
+
+Slide through the demo below to get a quick glimpse on what you can do with Manin Slides.
+
+
+<!-- From: https://faq.dailymotion.com/hc/en-us/articles/360022841393-How-to-preserve-the-player-aspect-ratio-on-a-responsive-page -->
+
+<div style="position:relative;padding-bottom:56.25%;"> <iframe style="width:100%;height:100%;position:absolute;left:0px;top:0px;" frameborder="0" width="100%" height="100%" allowfullscreen allow="autoplay" src="_static/slides.html"></iframe></div>
+
+
+```{toctree}
+:hidden:
+
+quickstart
+reference/index
+```
+
+```{toctree}
+:caption: Development
+:hidden:
+
+contributing/index
+changelog
+license
+```

docs/source/index.rst

@@ -1,20 +0,0 @@
-.. manim-slides documentation master file, created by
-   sphinx-quickstart on Wed Sep 21 15:07:28 2022.
-   You can adapt this file completely to your liking, but it should at least
-   contain the root `toctree` directive.
-
-.. image:: _static/logo.png
-    :width: 600
-    :align: center
-    :alt: Manim Slide logo
-
-Welcome to Manim Slide's CLI documentation!
-===========================================
-
-This page contains an exhaustive list of all the commands available with `manim-slides`.
-
-If you need help installing or using Manim Slide, please refer to the `GitHub README <https://github.com/jeertmans/manim-slides>`_.
-
-.. click:: manim_slides.main:cli
-    :prog: manim-slides
-    :nested: full

docs/source/license.md

@@ -0,0 +1,5 @@
+# License
+
+
+```{include} ../../LICENSE.md
+```

docs/source/quickstart.md

@@ -0,0 +1,21 @@
+# Quickstart
+
+## Installation
+
+```{include} ../../README.md
+:start-after: <!-- start install -->
+:end-before: <!-- end install -->
+```
+
+## Creating your first slides
+
+```{include} ../../README.md
+:start-after: <!-- start usage -->
+:end-before: <!-- end usage -->
+```
+
+The output slides should look this this:
+
+<div style="position:relative;padding-bottom:56.25%;"> <iframe style="width:100%;height:100%;position:absolute;left:0px;top:0px;" frameborder="0" width="100%" height="100%" allowfullscreen allow="autoplay" src="_static/basic_example.html"></iframe></div>
+
+For more advanced examples, see the [Examples](reference/examples) section.

docs/source/reference/api.md

@@ -0,0 +1,13 @@
+# Application Programming Interface
+
+Manim Slides' API is very limited: it simply consists in two classes, `Slide` and `ThreeDSlide`, which are subclasses of `Scene` and `ThreeDScene` from Manim.
+
+Thefore, we only document here the methods we think the end-user will ever use, not the methods used internally when rendering.
+
+```{eval-rst}
+.. autoclass:: manim_slides.Slide
+    :members: start_loop, end_loop, pause, play
+
+.. autoclass:: manim_slides.ThreeDSlide
+    :members:
+```

docs/source/reference/cli.md

@@ -0,0 +1,10 @@
+# Command Line Interface
+
+This page contains an exhaustive list of all the commands available with `manim-slides`.
+
+
+```{eval-rst}
+.. click:: manim_slides.__main__:cli
+    :prog: manim-slides
+    :nested: full
+```

docs/source/reference/examples.md

@@ -0,0 +1,80 @@
+# Examples
+
+Contents of `example.py`.
+
+Do not forget to import Manim Slides and Manim or ManimGL:
+
+```python
+from manim import *
+from manim_slides import Slide, ThreeDSlide
+```
+
+or
+
+```python
+from manimlib import *
+from manim_slides import Slide, ThreeDSlide
+```
+
+Then, each presentation, named `SCENE`, was generated with those two commands:
+
+```bash
+manim example.py SCENE # or manimgl example SCENE
+manim-slides convert SCENE scene.html -ccontrols=true
+```
+
+where `-ccontrols=true` indicates that we want to display the blue navigation arrows.
+
+## Basic Example
+
+Basic example from quickstart.
+
+<div style="position:relative;padding-bottom:56.25%;"> <iframe style="width:100%;height:100%;position:absolute;left:0px;top:0px;" frameborder="0" width="100%" height="100%" allowfullscreen allow="autoplay" src="../_static/basic_example.html"></iframe></div>
+
+```{eval-rst}
+.. literalinclude:: ../../../example.py
+   :language: python
+   :linenos:
+   :pyobject: BasicExample
+```
+
+## 3D Example
+
+Example using 3D camera. As Manim and ManimGL handle 3D differently, definitions are slightly different.
+
+<div style="position:relative;padding-bottom:56.25%;"> <iframe style="width:100%;height:100%;position:absolute;left:0px;top:0px;" frameborder="0" width="100%" height="100%" allowfullscreen allow="autoplay" src="../_static/three_d_example.html"></iframe></div>
+
+### With Manim
+
+```{eval-rst}
+.. literalinclude:: ../../../example.py
+   :language: python
+   :linenos:
+   :dedent: 4
+   :start-after: [manim-3d]
+   :end-before: [manim-3d]
+```
+
+### With ManimGL
+
+```{eval-rst}
+.. literalinclude:: ../../../example.py
+   :language: python
+   :linenos:
+   :dedent: 4
+   :start-after: [manimgl-3d]
+   :end-before: [manimgl-3d]
+```
+
+## Advanced Example
+
+A more advanced example is `ConvertExample`, which is used as demo slide and tutorial.
+
+<div style="position:relative;padding-bottom:56.25%;"> <iframe style="width:100%;height:100%;position:absolute;left:0px;top:0px;" frameborder="0" width="100%" height="100%" allowfullscreen allow="autoplay" src="../_static/slides.html"></iframe></div>
+
+```{eval-rst}
+.. literalinclude:: ../../../example.py
+   :language: python
+   :linenos:
+   :pyobject: ConvertExample
+```

docs/source/reference/index.md

@@ -0,0 +1,20 @@
+# Reference Documentation
+
+Automatically generated reference for Manim Slides.
+
+```{toctree}
+:hidden:
+
+api
+cli
+examples
+sharing
+```
+
+[Application Programming Interface](./api): list of classes and methods that may be useful to the end-user.
+
+[Command Line Interface](./cli): list of all commands available using Manim Slides' executable.
+
+[Examples](./examples): curated list of examples and their output.
+
+[Sharing](./sharing): how to share your presentation with others.

docs/source/reference/sharing.md

@@ -0,0 +1,149 @@
+# Sharing your slides
+
+Maybe one of the most important features is the ability to share your
+presentation with other people, or even with yourself but on another computer!
+
+There exists a variety of solutions, and all of them are exposed here.
+
+We will go from the *most restrictive* method, to the least restrictive one.
+If you need to present on a computer without prior knowledge on what will be
+installed on it, please directly refer to the last sections.
+
+> **NOTES:** in the next sections, we will assume your animations are described
+in `example.py`, and you have one presentation called `BasicExample`.
+
+## With Manim Slides installed on the target machine
+
+If Manim Slides, Manim (or ManimGL), and their dependencies are installed, then
+using `manim-slides present` allows for the best presentations, with the most
+options available.
+
+### Sharing your Python file(s)
+
+The lightest way to share your presentation is with the Python files that
+describe the slides.
+
+If you have such files, you can recompile the animations locally, and use
+`manim-slides present` for your presentation. You may want to copy / paste
+you own `.manim-slides.json` config file, but it is **not recommended** if
+you are sharing from one platform (e.g., Linux) to another (e.g., Windows) as
+the key bindings might not be the same.
+
+Example:
+
+```bash
+# If you use ManimGl, replace `manim` with `manimgl`
+manim example.py BasicExample
+
+# This or `manim-slides BasicExample` works since
+# `present` is implied by default
+manim-slides present BasicExample
+```
+
+### Sharing your animations files
+
+If you do not want to recompile all the animations, you can simply share the
+slides folder (defaults to `./slides`). Then, Manim Slides will be able to read
+the animations from this folder and its subdirectories.
+
+Example:
+
+```bash
+# Make sure that the slides directory is in the current
+# working directory, or specify with `--folder <FOLDER>`
+manim-slides present BasicExample
+```
+
+and the corresponding tree:
+
+```
+.
+└── slides
+    ├── BasicExample.json
+    └── files
+        └── BasicExample (files not shown)
+```
+
+## Without Manim Slides installed on the target machine
+
+An alternative to `manim-slides present` is `manim-slides convert`.
+Currently, only HTML conversion is available, but do not hesitate to propose
+other formats by creating a
+[Feature Request](https://github.com/jeertmans/manim-slides/issues/new/choose),
+or directly proposing a
+[Pull Request](https://github.com/jeertmans/manim-slides/compare).
+
+A major advantage of HTML files is that they can be opened cross-platform,
+granted one has a modern web browser (which is pretty standard).
+
+### Sharing HTML and animation files
+
+First, you need to create the HTML file and its assets directory.
+
+Example:
+
+```bash
+manim-slides convert BasicExample basic_example.html
+```
+
+Then, you need to copy the HTML files and its assets directory to target location,
+while keeping the relative path between the HTML and the assets the same. The
+easiest solution is to compress both the file and the directory into one ZIP,
+and to extract it to the desired location.
+
+By default, the assets directory will be named after the main HTML file, using `{basename}_assets`.
+
+Example:
+
+```
+.
+├── basic_example_assets
+│   ├── 1413466013_2261824125_223132457.mp4
+│   ├── 1672018281_2145352439_3942561600.mp4
+│   └── 1672018281_3136302242_2191168284.mp4
+└── basic_example.html
+```
+
+Then, you can simply open the HTML file with any web browser application.
+
+If you want to embed the presentation inside an HTML web page, a possibility is
+to use an `iframe`:
+
+```html
+<div style="position:relative;padding-bottom:56.25%;">
+    <!-- 56.25 comes from aspect ratio of 16:9, change this accordingly -->
+    <iframe
+        style="width:100%;height:100%;position:absolute;left:0px;top:0px;"
+        frameborder="0"
+        width="100%"
+        height="100%"
+        allowfullscreen
+        allow="autoplay"
+        src="basic_example.html">
+    </iframe>
+</div>
+```
+
+The additional code comes from
+[this article](https://faq.dailymotion.com/hc/en-us/articles/360022841393-How-to-preserve-the-player-aspect-ratio-on-a-responsive-page)
+and it there to preserve the original aspect ratio (16:9).
+
+
+### Sharing ONE HTML file
+
+A future feature, that will be available once
+[#122](https://github.com/jeertmans/manim-slides/issues/122) is solved, will be
+to include all animations as data URI encoded, within the HTML file itself.
+
+### Over the internet
+
+Finally, HTML conversion makes it convenient to play your presentation on a
+remote server.
+
+This is how your are able to watch all the examples on this website. If you want
+to know how to share your slide with GitHub pages, see the
+[workflow file](https://github.com/jeertmans/manim-slides/blob/main/.github/workflows/pages.yml).
+
+> **WARNING:** keep in minde that playing large video files over the internet
+can take some time, and *glitches* may occur between slide transitions for this
+reason.

example.py

@@ -16,36 +16,258 @@ else:
 from manim_slides import Slide, ThreeDSlide
 
 
-class Example(Slide):
+class BasicExample(Slide):
     def construct(self):
         circle = Circle(radius=3, color=BLUE)
         dot = Dot()
 
         self.play(GrowFromCenter(circle))
-        self.pause()
+        self.pause()  # Waits user to press continue to go to the next slide
 
-        self.start_loop()
+        self.start_loop()  # Start loop
         self.play(MoveAlongPath(dot, circle), run_time=2, rate_func=linear)
-        self.end_loop()
+        self.end_loop()  # This will loop until user inputs a key
 
         self.play(dot.animate.move_to(ORIGIN))
+        self.pause()  # Waits user to press continue to go to the next slide
+
+
+class TestFileTooLong(Slide):
+    """This is used to check against solution for issue #123."""
+
+    def construct(self):
+        import random
+
+        circle = Circle(radius=3, color=BLUE)
+        dot = Dot()
+        self.play(GrowFromCenter(circle), run_time=0.1)
+
+        for _ in range(30):
+            direction = (random.random() - 0.5) * LEFT + (random.random() - 0.5) * UP
+            self.play(dot.animate.move_to(direction), run_time=0.1)
+            self.play(dot.animate.move_to(ORIGIN), run_time=0.1)
+
         self.pause()
 
-        self.play(dot.animate.move_to(RIGHT * 3))
+
+class ConvertExample(Slide):
+    """WARNING: this example does not seem to work with ManimGL."""
+
+    def tinywait(self):
+        self.wait(0.1)
+
+    def construct(self):
+        title = VGroup(
+            Text("From Manim animations", t2c={"From": BLUE}),
+            Text("to slides presentation", t2c={"to": BLUE}),
+            Text("with Manim Slides", t2w={"[-12:]": BOLD}, t2c={"[-13:]": YELLOW}),
+        ).arrange(DOWN)
+
+        step_1 = Text("1. In your scenes file, import Manim Slides")
+        step_2 = Text("2. Replace Scene with Slide")
+        step_3 = Text("3. In construct, add pauses where you need")
+        step_4 = Text("4. You can also create loops")
+        step_5 = Text("5. Render you scene with Manim")
+        step_6 = Text("6. Open your presentation with Manim Slides")
+
+        for step in [step_1, step_2, step_3, step_4, step_5, step_6]:
+            step.scale(0.5).to_corner(UL)
+
+        step = step_1
+
+        self.play(FadeIn(title))
+
         self.pause()
 
+        code = Code(
+            code="""from manim import *
+
+
+class Example(Scene):
+    def construct(self):
+        dot = Dot()
+        self.add(dot)
+
+        self.play(Indicate(dot, scale_factor=2))
+
+        square = Square()
+        self.play(Transform(dot, square))
+
+        self.play(Rotate(square, angle=PI/2))
+""",
+            language="python",
+        )
+
+        code_step_1 = Code(
+            code="""from manim import *
+from manim_slides import Slide
+
+class Example(Scene):
+    def construct(self):
+        dot = Dot()
+        self.add(dot)
+
+        self.play(Indicate(dot, scale_factor=2))
+
+        square = Square()
+        self.play(Transform(dot, square))
+
+        self.play(Rotate(square, angle=PI/2))
+""",
+            language="python",
+        )
+
+        code_step_2 = Code(
+            code="""from manim import *
+from manim_slides import Slide
+
+class Example(Slide):
+    def construct(self):
+        dot = Dot()
+        self.add(dot)
+
+        self.play(Indicate(dot, scale_factor=2))
+
+        square = Square()
+        self.play(Transform(dot, square))
+
+        self.play(Rotate(square, angle=PI/2))
+""",
+            language="python",
+        )
+
+        code_step_3 = Code(
+            code="""from manim import *
+from manim_slides import Slide
+
+class Example(Slide):
+    def construct(self):
+        dot = Dot()
+        self.add(dot)
+
+        self.play(Indicate(dot, scale_factor=2))
+        self.pause()
+        square = Square()
+        self.play(Transform(dot, square))
+        self.pause()
+        self.play(Rotate(square, angle=PI/2))
+""",
+            language="python",
+        )
+
+        code_step_4 = Code(
+            code="""from manim import *
+from manim_slides import Slide
+
+class Example(Slide):
+    def construct(self):
+        dot = Dot()
+        self.add(dot)
+        self.start_loop()
+        self.play(Indicate(dot, scale_factor=2))
+        self.end_loop()
+        square = Square()
+        self.play(Transform(dot, square))
+        self.pause()
+        self.play(Rotate(square, angle=PI/2))
+""",
+            language="python",
+        )
+
+        code_step_5 = Code(
+            code="manim example.py Example",
+            language="console",
+        )
+
+        code_step_6 = Code(
+            code="manim-slides Example",
+            language="console",
+        )
+
+        or_text = Text("or generate HTML presentation").scale(0.5)
+
+        code_step_7 = Code(
+            code="manim-slides convert Example slides.html --open",
+            language="console",
+        ).shift(DOWN)
+
+        self.clear()
+
+        self.play(FadeIn(code))
+        self.tinywait()
+        self.pause()
+
+        self.play(FadeIn(step, shift=RIGHT))
+        self.play(Transform(code, code_step_1))
+        self.tinywait()
+        self.pause()
+
+        self.play(Transform(step, step_2))
+        self.play(Transform(code, code_step_2))
+        self.tinywait()
+        self.pause()
+
+        self.play(Transform(step, step_3))
+        self.play(Transform(code, code_step_3))
+        self.tinywait()
+        self.pause()
+
+        self.play(Transform(step, step_4))
+        self.play(Transform(code, code_step_4))
+        self.tinywait()
+        self.pause()
+
+        self.play(Transform(step, step_5))
+        self.play(Transform(code, code_step_5))
+        self.tinywait()
+        self.pause()
+
+        self.play(Transform(step, step_6))
+        self.play(Transform(code, code_step_6))
+        self.play(code.animate.shift(UP), FadeIn(code_step_7), FadeIn(or_text))
+        self.tinywait()
+        self.pause()
+
+        watch_text = Text("Watch result on next slides!").shift(2 * DOWN).scale(0.5)
+
         self.start_loop()
-        self.play(MoveAlongPath(dot, circle), run_time=2, rate_func=linear)
+        self.play(FadeIn(watch_text))
+        self.play(FadeOut(watch_text))
         self.end_loop()
+        self.clear()
 
-        # Each slide MUST end with an animation (a self.wait is considered an animation)
-        self.play(dot.animate.move_to(ORIGIN))
+        dot = Dot()
+        self.add(dot)
+        self.start_loop()
+        self.play(Indicate(dot, scale_factor=2))
+        self.end_loop()
+        square = Square()
+        self.play(Transform(dot, square))
+        self.remove(dot)
+        self.add(square)
+        self.tinywait()
+        self.pause()
+        self.play(Rotate(square, angle=PI / 4))
+        self.tinywait()
+        self.pause()
+
+        learn_more_text = (
+            VGroup(
+                Text("Learn more about Manim Slides:"),
+                Text("https://github.com/jeertmans/manim-slides", color=YELLOW),
+            )
+            .arrange(DOWN)
+            .scale(0.75)
+        )
+
+        self.play(Transform(square, learn_more_text))
+        self.tinywait()
 
 
 # For ThreeDExample, things are different
 
 if not MANIMGL:
-
+    # [manim-3d]
     class ThreeDExample(ThreeDSlide):
         def construct(self):
             axes = ThreeDAxes()
@@ -78,10 +300,11 @@ if not MANIMGL:
             self.play(MoveAlongPath(dot, circle), run_time=2, rate_func=linear)
             self.end_loop()
 
-            # Each slide MUST end with an animation (a self.wait is considered an animation)
             self.play(dot.animate.move_to(ORIGIN))
 
+    # [manim-3d]
 else:
+    # [manimgl-3d]
     # WARNING: 3b1b's manim change how ThreeDScene work,
     # this is why things have to be managed differently.
     class ThreeDExample(Slide):
@@ -125,5 +348,6 @@ else:
             self.play(MoveAlongPath(dot, circle), run_time=2, rate_func=linear)
             self.end_loop()
 
-            # Each slide MUST end with an animation (a self.wait is considered an animation)
             self.play(dot.animate.move_to(ORIGIN))
+
+    # [manimgl-3d]

manim-slides.qrc

@@ -0,0 +1,6 @@
+<!DOCTYPE RCC>
+<RCC version="1.0">
+    <qresource>
+        <file alias="icon.png">static/icon.png</file>
+    </qresource>
+</RCC>

manim_slides/__main__.py

@@ -0,0 +1,73 @@
+import json
+
+import click
+import requests
+from click_default_group import DefaultGroup
+
+from . import __version__
+from .convert import convert
+from .manim import logger
+from .present import list_scenes, present
+from .wizard import init, wizard
+
+
+@click.group(cls=DefaultGroup, default="present", default_if_no_args=True)
+@click.option(
+    "--notify-outdated-version/--silent",
+    " /-S",
+    is_flag=True,
+    default=True,
+    help="Check if a new version of Manim Slides is available.",
+)
+@click.version_option(__version__, "-v", "--version")
+@click.help_option("-h", "--help")
+def cli(notify_outdated_version: bool) -> None:
+    """
+    Manim Slides command-line utilities.
+
+    If no command is specified, defaults to `present`.
+    """
+    # Code below is mostly a copy from:
+    # https://github.com/ManimCommunity/manim/blob/main/manim/cli/render/commands.py
+    if notify_outdated_version:
+        manim_info_url = "https://pypi.org/pypi/manim-slides/json"
+        warn_prompt = "Cannot check if latest release of Manim Slides is installed"
+        try:
+            req_info: requests.models.Response = requests.get(
+                manim_info_url, timeout=10
+            )
+            req_info.raise_for_status()
+            stable = req_info.json()["info"]["version"]
+            if stable != __version__:
+                click.echo(
+                    "You are using Manim Slides version "
+                    + click.style(f"v{__version__}", fg="red")
+                    + ", but version "
+                    + click.style(f"v{stable}", fg="green")
+                    + " is available."
+                )
+                click.echo(
+                    "You should consider upgrading via "
+                    + click.style("pip install -U manim-slides", fg="yellow")
+                )
+        except requests.exceptions.HTTPError:
+            logger.debug(f"HTTP Error: {warn_prompt}")
+        except requests.exceptions.ConnectionError:
+            logger.debug(f"Connection Error: {warn_prompt}")
+        except requests.exceptions.Timeout:
+            logger.debug(f"Timed Out: {warn_prompt}")
+        except json.JSONDecodeError:
+            logger.debug(warn_prompt)
+            logger.debug(f"Error decoding JSON from {manim_info_url}")
+        except Exception:
+            logger.debug(f"Something went wrong: {warn_prompt}")
+
+
+cli.add_command(convert)
+cli.add_command(init)
+cli.add_command(list_scenes)
+cli.add_command(present)
+cli.add_command(wizard)
+
+if __name__ == "__main__":
+    cli()

manim_slides/__version__.py

@@ -1 +1 @@
-__version__ = "4.5.0"
+__version__ = "4.9.2"

manim_slides/commons.py

@@ -1,27 +1,32 @@
-from typing import Callable
+from pathlib import Path
+from typing import Any, Callable
 
 import click
 from click import Context, Parameter
 
-from .defaults import CONFIG_PATH
+from .defaults import CONFIG_PATH, FOLDER_PATH
 from .manim import logger
 
+F = Callable[..., Any]
+Wrapper = Callable[[F], F]
 
-def config_path_option(function: Callable) -> Callable:
+
+def config_path_option(function: F) -> F:
     """Wraps a function to add configuration path option."""
-    return click.option(
+    wrapper: Wrapper = click.option(
         "-c",
         "--config",
         "config_path",
         metavar="FILE",
         default=CONFIG_PATH,
-        type=click.Path(dir_okay=False),
+        type=click.Path(dir_okay=False, path_type=Path),
         help="Set path to configuration file.",
         show_default=True,
-    )(function)
+    )
+    return wrapper(function)
 
 
-def config_options(function: Callable) -> Callable:
+def config_options(function: F) -> F:
     """Wraps a function to add configuration options."""
     function = config_path_option(function)
     function = click.option(
@@ -36,17 +41,16 @@ def config_options(function: Callable) -> Callable:
     return function
 
 
-def verbosity_option(function: Callable) -> Callable:
+def verbosity_option(function: F) -> F:
     """Wraps a function to add verbosity option."""
 
     def callback(ctx: Context, param: Parameter, value: bool) -> None:
-
         if not value or ctx.resilient_parsing:
             return
 
         logger.setLevel(value)
 
-    return click.option(
+    wrapper: Wrapper = click.option(
         "-v",
         "--verbosity",
         type=click.Choice(
@@ -56,5 +60,23 @@ def verbosity_option(function: Callable) -> Callable:
         help="Verbosity of CLI output",
         default=None,
         expose_value=False,
+        envvar="MANIM_SLIDES_VERBOSITY",
+        show_envvar=True,
         callback=callback,
-    )(function)
+    )
+
+    return wrapper(function)
+
+
+def folder_path_option(function: F) -> F:
+    """Wraps a function to add folder path option."""
+    wrapper: Wrapper = click.option(
+        "--folder",
+        metavar="DIRECTORY",
+        default=FOLDER_PATH,
+        type=click.Path(exists=True, file_okay=False, path_type=Path),
+        help="Set slides folder.",
+        show_default=True,
+    )
+
+    return wrapper(function)

manim_slides/config.py

@@ -1,14 +1,39 @@
+import hashlib
 import os
+import shutil
+import subprocess
+import tempfile
 from enum import Enum
-from typing import List, Optional, Set
+from pathlib import Path
+from typing import Dict, List, Optional, Set, Union
 
-from pydantic import BaseModel, root_validator, validator
+from pydantic import BaseModel, FilePath, root_validator, validator
 from PySide6.QtCore import Qt
 
-from .manim import logger
+from .manim import FFMPEG_BIN, logger
 
 
-class Key(BaseModel):
+def merge_basenames(files: List[FilePath]) -> Path:
+    """
+    Merge multiple filenames by concatenating basenames.
+    """
+    logger.info(f"Generating a new filename for animations: {files}")
+
+    dirname = files[0].parent
+    ext = files[0].suffix
+
+    basenames = (file.stem for file in files)
+
+    basenames_str = ",".join(f"{len(b)}:{b}" for b in basenames)
+
+    # We use hashes to prevent too-long filenames, see issue #123:
+    # https://github.com/jeertmans/manim-slides/issues/123
+    basename = hashlib.sha256(basenames_str.encode()).hexdigest()
+
+    return dirname / (basename + ext)
+
+
+class Key(BaseModel):  # type: ignore
     """Represents a list of key codes, with optionally a name."""
 
     ids: Set[int]
@@ -32,7 +57,7 @@ class Key(BaseModel):
         return m
 
 
-class Config(BaseModel):
+class Config(BaseModel):  # type: ignore
     """General Manim Slides config"""
 
     QUIT: Key = Key(ids=[Qt.Key_Q], name="QUIT")
@@ -44,8 +69,8 @@ class Config(BaseModel):
     HIDE_MOUSE: Key = Key(ids=[Qt.Key_H], name="HIDE / SHOW MOUSE")
 
     @root_validator
-    def ids_are_unique_across_keys(cls, values):
-        ids = set()
+    def ids_are_unique_across_keys(cls, values: Dict[str, Key]) -> Dict[str, Key]:
+        ids: Set[int] = set()
 
         for key in values.values():
             if len(ids.intersection(key.ids)) != 0:
@@ -71,7 +96,7 @@ class SlideType(str, Enum):
     last = "last"
 
 
-class SlideConfig(BaseModel):
+class SlideConfig(BaseModel):  # type: ignore
     type: SlideType
     start_animation: int
     end_animation: int
@@ -79,24 +104,25 @@ class SlideConfig(BaseModel):
     terminated: bool = False
 
     @validator("start_animation", "end_animation")
-    def index_is_posint(cls, v: int):
+    def index_is_posint(cls, v: int) -> int:
         if v < 0:
             raise ValueError("Animation index (start or end) cannot be negative")
         return v
 
     @validator("number")
-    def number_is_strictly_posint(cls, v: int):
+    def number_is_strictly_posint(cls, v: int) -> int:
         if v <= 0:
             raise ValueError("Slide number cannot be negative or zero")
         return v
 
     @root_validator
-    def start_animation_is_before_end(cls, values):
-        if values["start_animation"] >= values["end_animation"]:
-
+    def start_animation_is_before_end(
+        cls, values: Dict[str, Union[SlideType, int, bool]]
+    ) -> Dict[str, Union[SlideType, int, bool]]:
+        if values["start_animation"] >= values["end_animation"]:  # type: ignore
             if values["start_animation"] == values["end_animation"] == 0:
                 raise ValueError(
-                    "You have to play at least one animation (e.g., `self.wait()`) before pausing. If you want to start paused, use the approriate command-line option when presenting."
+                    "You have to play at least one animation (e.g., `self.wait()`) before pausing. If you want to start paused, use the approriate command-line option when presenting. IMPORTANT: when using ManimGL, `self.wait()` is not considered to be an animation, so prefer to directly use `self.play(...)`."
                 )
 
             raise ValueError(
@@ -105,34 +131,28 @@ class SlideConfig(BaseModel):
 
         return values
 
-    def is_slide(self):
+    def is_slide(self) -> bool:
         return self.type == SlideType.slide
 
-    def is_loop(self):
+    def is_loop(self) -> bool:
         return self.type == SlideType.loop
 
-    def is_last(self):
+    def is_last(self) -> bool:
         return self.type == SlideType.last
 
+    @property
+    def slides_slice(self) -> slice:
+        return slice(self.start_animation, self.end_animation)
 
-class PresentationConfig(BaseModel):
+
+class PresentationConfig(BaseModel):  # type: ignore
     slides: List[SlideConfig]
-    files: List[str]
-
-    @validator("files", pre=True, each_item=True)
-    def is_file_and_exists(cls, v):
-        if not os.path.exists(v):
-            raise ValueError(
-                f"Animation file {v} does not exist. Are you in the right directory?"
-            )
-
-        if not os.path.isfile(v):
-            raise ValueError(f"Animation file {v} is not a file")
-
-        return v
+    files: List[FilePath]
 
     @root_validator
-    def animation_indices_match_files(cls, values):
+    def animation_indices_match_files(
+        cls, values: Dict[str, Union[List[SlideConfig], List[FilePath]]]
+    ) -> Dict[str, Union[List[SlideConfig], List[FilePath]]]:
         files = values.get("files")
         slides = values.get("slides")
 
@@ -142,12 +162,83 @@ class PresentationConfig(BaseModel):
         n_files = len(files)
 
         for slide in slides:
-            if slide.end_animation > n_files:
+            if slide.end_animation > n_files:  # type: ignore
                 raise ValueError(
                     f"The following slide's contains animations not listed in files {files}: {slide}"
                 )
 
         return values
 
+    def copy_to(self, dest: Path) -> "PresentationConfig":
+        """
+        Copy the files to a given directory.
+        """
+        n = len(self.files)
+        for i in range(n):
+            file = self.files[i]
+            dest_path = dest / self.files[i].name
+            logger.debug(f"Moving / copying {file} to {dest_path}")
+            shutil.copy(file, dest_path)
+            self.files[i] = dest_path
+
+        return self
+
+    def concat_animations(self, dest: Optional[Path] = None) -> "PresentationConfig":
+        """
+        Concatenate animations such that each slide contains one animation.
+        """
+
+        dest_paths = []
+
+        for i, slide_config in enumerate(self.slides):
+            files = self.files[slide_config.slides_slice]
+
+            if len(files) > 1:
+                dest_path = merge_basenames(files)
+
+                f = tempfile.NamedTemporaryFile(mode="w", delete=False)
+                f.writelines(f"file '{os.path.abspath(path)}'\n" for path in files)
+                f.close()
+
+                command: List[str] = [
+                    FFMPEG_BIN,
+                    "-f",
+                    "concat",
+                    "-safe",
+                    "0",
+                    "-i",
+                    f.name,
+                    "-c",
+                    "copy",
+                    str(dest_path),
+                    "-y",
+                ]
+                logger.debug(" ".join(command))
+                process = subprocess.Popen(
+                    command, stdout=subprocess.PIPE, stderr=subprocess.PIPE
+                )
+                output, error = process.communicate()
+
+                if output:
+                    logger.debug(output.decode())
+
+                if error:
+                    logger.debug(error.decode())
+
+                dest_paths.append(dest_path)
+
+            else:
+                dest_paths.append(files[0])
+
+            slide_config.start_animation = i
+            slide_config.end_animation = i + 1
+
+        self.files = dest_paths
+
+        if dest:
+            return self.copy_to(dest)
+
+        return self
+
 
 DEFAULT_CONFIG = Config()

manim_slides/convert.py

@@ -0,0 +1,474 @@
+import os
+import webbrowser
+from enum import Enum
+from pathlib import Path
+from typing import Any, Callable, Dict, Generator, List, Optional, Type, Union
+
+import click
+import pkg_resources
+from click import Context, Parameter
+from pydantic import BaseModel, PositiveInt, ValidationError
+
+from .commons import folder_path_option, verbosity_option
+from .config import PresentationConfig
+from .present import get_scenes_presentation_config
+
+
+def validate_config_option(
+    ctx: Context, param: Parameter, value: Any
+) -> Dict[str, str]:
+    config = {}
+
+    for c_option in value:
+        try:
+            key, value = c_option.split("=")
+            config[key] = value
+        except ValueError:
+            raise click.BadParameter(
+                f"Configuration options `{c_option}` could not be parsed into a proper (key, value) pair. Please use an `=` sign to separate key from value."
+            )
+
+    return config
+
+
+class Converter(BaseModel):  # type: ignore
+    presentation_configs: List[PresentationConfig] = []
+    assets_dir: str = "{basename}_assets"
+    template: Optional[str] = None
+
+    def convert_to(self, dest: Path) -> None:
+        """Converts self, i.e., a list of presentations, into a given format."""
+        raise NotImplementedError
+
+    def load_template(self) -> str:
+        """Returns the template as a string.
+
+        An empty string is returned if no template is used."""
+        return ""
+
+    def open(self, file: Path) -> bool:
+        """Opens a file, generated with converter, using appropriate application."""
+        raise NotImplementedError
+
+    @classmethod
+    def from_string(cls, s: str) -> Type["Converter"]:
+        """Returns the appropriate converter from a string name."""
+        return {
+            "html": RevealJS,
+        }[s]
+
+
+class Str(str):
+    """A simple string, but quoted when needed."""
+
+    # This fixes pickling issue on Python 3.8
+    __reduce_ex__ = str.__reduce_ex__
+
+    def __str__(self) -> str:
+        """Ensures that the string is correctly quoted."""
+        if self in ["true", "false", "null"]:
+            return super().__str__()
+        else:
+            return f"'{super().__str__()}'"
+
+
+Function = str  # Basically, anything
+
+
+class JsTrue(str, Enum):
+    true = "true"
+
+
+class JsFalse(str, Enum):
+    false = "false"
+
+
+class JsBool(Str, Enum):  # type: ignore
+    true = "true"
+    false = "false"
+
+
+class JsNull(Str, Enum):  # type: ignore
+    null = "null"
+
+
+class ControlsLayout(Str, Enum):  # type: ignore
+    edges = "edges"
+    bottom_right = "bottom-right"
+
+
+class ControlsBackArrows(Str, Enum):  # type: ignore
+    faded = "faded"
+    hidden = "hidden"
+    visibly = "visibly"
+
+
+class SlideNumber(Str, Enum):  # type: ignore
+    true = "true"
+    false = "false"
+    hdotv = "h.v"
+    handv = "h/v"
+    c = "c"
+    candt = "c/t"
+
+
+class ShowSlideNumber(Str, Enum):  # type: ignore
+    all = "all"
+    print = "print"
+    speaker = "speaker"
+
+
+class KeyboardCondition(Str, Enum):  # type: ignore
+    null = "null"
+    focused = "focused"
+
+
+class NavigationMode(Str, Enum):  # type: ignore
+    default = "default"
+    linear = "linear"
+    grid = "grid"
+
+
+class AutoPlayMedia(Str, Enum):  # type: ignore
+    null = "null"
+    true = "true"
+    false = "false"
+
+
+PreloadIframes = AutoPlayMedia
+
+
+class AutoAnimateMatcher(Str, Enum):  # type: ignore
+    null = "null"
+
+
+class AutoAnimateEasing(Str, Enum):  # type: ignore
+    ease = "ease"
+
+
+AutoSlide = Union[PositiveInt, JsFalse]
+
+
+class AutoSlideMethod(Str, Enum):  # type: ignore
+    null = "null"
+
+
+MouseWheel = Union[JsNull, float]
+
+
+class Transition(Str, Enum):  # type: ignore
+    none = "none"
+    fade = "fade"
+    slide = "slide"
+    convex = "convex"
+    concave = "concave"
+    zoom = "zoom"
+
+
+class TransitionSpeed(Str, Enum):  # type: ignore
+    default = "default"
+    fast = "fast"
+    slow = "slow"
+
+
+class BackgroundSize(Str, Enum):  # type: ignore
+    # From: https://developer.mozilla.org/en-US/docs/Web/CSS/background-size
+    # TODO: support more background size
+    contain = "contain"
+    cover = "cover"
+
+
+BackgroundTransition = Transition
+
+
+class Display(Str, Enum):  # type: ignore
+    block = "block"
+
+
+class RevealTheme(str, Enum):
+    black = "black"
+    white = "white"
+    league = "league"
+    beige = "beige"
+    sky = "sky"
+    night = "night"
+    serif = "serif"
+    simple = "simple"
+    soralized = "solarized"
+    blood = "blood"
+    moon = "moon"
+
+
+class RevealJS(Converter):
+    # Presentation size options from RevealJS
+    width: Union[Str, int] = Str("100%")
+    height: Union[Str, int] = Str("100%")
+    margin: float = 0.04
+    min_scale: float = 0.2
+    max_scale: float = 2.0
+    # Configuration options from RevealJS
+    controls: JsBool = JsBool.false
+    controls_tutorial: JsBool = JsBool.true
+    controls_layout: ControlsLayout = ControlsLayout.bottom_right
+    controls_back_arrows: ControlsBackArrows = ControlsBackArrows.faded
+    progress: JsBool = JsBool.false
+    slide_number: SlideNumber = SlideNumber.false
+    show_slide_number: Union[ShowSlideNumber, Function] = ShowSlideNumber.all
+    hash_one_based_index: JsBool = JsBool.false
+    hash: JsBool = JsBool.false
+    respond_to_hash_changes: JsBool = JsBool.false
+    history: JsBool = JsBool.false
+    keyboard: JsBool = JsBool.true
+    keyboard_condition: Union[KeyboardCondition, Function] = KeyboardCondition.null
+    disable_layout: JsBool = JsBool.false
+    overview: JsBool = JsBool.true
+    center: JsBool = JsBool.true
+    touch: JsBool = JsBool.true
+    loop: JsBool = JsBool.false
+    rtl: JsBool = JsBool.false
+    navigation_mode: NavigationMode = NavigationMode.default
+    shuffle: JsBool = JsBool.false
+    fragments: JsBool = JsBool.true
+    fragment_in_url: JsBool = JsBool.true
+    embedded: JsBool = JsBool.false
+    help: JsBool = JsBool.true
+    pause: JsBool = JsBool.true
+    show_notes: JsBool = JsBool.false
+    auto_play_media: AutoPlayMedia = AutoPlayMedia.null
+    preload_iframes: PreloadIframes = PreloadIframes.null
+    auto_animate: JsBool = JsBool.true
+    auto_animate_matcher: Union[AutoAnimateMatcher, Function] = AutoAnimateMatcher.null
+    auto_animate_easing: AutoAnimateEasing = AutoAnimateEasing.ease
+    auto_animate_duration: float = 1.0
+    auto_animate_unmatched: JsBool = JsBool.true
+    auto_animate_styles: List[str] = [
+        "opacity",
+        "color",
+        "background-color",
+        "padding",
+        "font-size",
+        "line-height",
+        "letter-spacing",
+        "border-width",
+        "border-color",
+        "border-radius",
+        "outline",
+        "outline-offset",
+    ]
+    auto_slide: AutoSlide = 0
+    auto_slide_stoppable: JsBool = JsBool.true
+    auto_slide_method: Union[AutoSlideMethod, Function] = AutoSlideMethod.null
+    default_timing: Union[JsNull, int] = JsNull.null
+    mouse_wheel: JsBool = JsBool.false
+    preview_links: JsBool = JsBool.false
+    post_message: JsBool = JsBool.true
+    post_message_events: JsBool = JsBool.false
+    focus_body_on_page_visibility_change: JsBool = JsBool.true
+    transition: Transition = Transition.none
+    transition_speed: TransitionSpeed = TransitionSpeed.default
+    background_size: BackgroundSize = BackgroundSize.contain  # Not in RevealJS
+    background_transition: BackgroundTransition = BackgroundTransition.none
+    pdf_max_pages_per_slide: Union[int, str] = "Number.POSITIVE_INFINITY"
+    pdf_separate_fragments: JsBool = JsBool.true
+    pdf_page_height_offset: int = -1
+    view_distance: int = 3
+    mobile_view_distance: int = 2
+    display: Display = Display.block
+    hide_inactive_cursor: JsBool = JsBool.true
+    hide_cursor_time: int = 5000
+    # Add. options
+    background_color: str = "black"  # TODO: use pydantic.color.Color
+    reveal_version: str = "4.4.0"
+    reveal_theme: RevealTheme = RevealTheme.black
+    title: str = "Manim Slides"
+
+    class Config:
+        use_enum_values = True
+        extra = "forbid"
+
+    def get_sections_iter(self, assets_dir: Path) -> Generator[str, None, None]:
+        """Generates a sequence of sections, one per slide, that will be included into the html template."""
+        for presentation_config in self.presentation_configs:
+            for slide_config in presentation_config.slides:
+                file = presentation_config.files[slide_config.start_animation]
+                file = assets_dir / file.name
+
+                # TODO: document this
+                # Videos are muted because, otherwise, the first slide never plays correctly.
+                # This is due to a restriction in playing audio without the user doing anything.
+                # Later, this might be useful to only mute the first video, or to make it optional.
+                # Read more about this:
+                #   https://developer.mozilla.org/en-US/docs/Web/Media/Autoplay_guide#autoplay_and_autoplay_blocking
+                if slide_config.is_loop():
+                    yield f'<section data-background-size={self.background_size.value} data-background-video="{file}" data-background-video-muted data-background-video-loop></section>'
+                else:
+                    yield f'<section data-background-size={self.background_size.value} data-background-video="{file}" data-background-video-muted></section>'
+
+    def load_template(self) -> str:
+        """Returns the RevealJS HTML template as a string."""
+        if isinstance(self.template, str):
+            with open(self.template, "r") as f:
+                return f.read()
+        return pkg_resources.resource_string(
+            __name__, "data/revealjs_template.html"
+        ).decode()
+
+    def open(self, file: Path) -> bool:
+        return webbrowser.open(file.absolute().as_uri())
+
+    def convert_to(self, dest: Path) -> None:
+        """Converts this configuration into a RevealJS HTML presentation, saved to DEST."""
+        dirname = dest.parent
+        basename = dest.stem
+        ext = dest.suffix
+
+        assets_dir = Path(
+            self.assets_dir.format(dirname=dirname, basename=basename, ext=ext)
+        )
+        full_assets_dir = dirname / assets_dir
+
+        os.makedirs(full_assets_dir, exist_ok=True)
+
+        for presentation_config in self.presentation_configs:
+            presentation_config.concat_animations().copy_to(full_assets_dir)
+
+        with open(dest, "w") as f:
+            sections = "".join(self.get_sections_iter(assets_dir))
+
+            revealjs_template = self.load_template()
+            content = revealjs_template.format(sections=sections, **self.dict())
+
+            f.write(content)
+
+
+def show_config_options(function: Callable[..., Any]) -> Callable[..., Any]:
+    """Wraps a function to add a `--show-config` option."""
+
+    def callback(ctx: Context, param: Parameter, value: bool) -> None:
+        if not value or ctx.resilient_parsing:
+            return
+
+        to = ctx.params.get("to", "html")
+
+        converter = Converter.from_string(to)(presentation_configs=[])
+        for key, value in converter.dict().items():
+            click.echo(f"{key}: {repr(value)}")
+
+        ctx.exit()
+
+    return click.option(
+        "--show-config",
+        is_flag=True,
+        help="Show supported options for given format and exit.",
+        default=None,
+        expose_value=False,
+        show_envvar=True,
+        callback=callback,
+    )(function)
+
+
+def show_template_option(function: Callable[..., Any]) -> Callable[..., Any]:
+    """Wraps a function to add a `--show-template` option."""
+
+    def callback(ctx: Context, param: Parameter, value: bool) -> None:
+        if not value or ctx.resilient_parsing:
+            return
+
+        to = ctx.params.get("to", "html")
+        template = ctx.params.get("template", None)
+
+        converter = Converter.from_string(to)(
+            presentation_configs=[], template=template
+        )
+        click.echo(converter.load_template())
+
+        ctx.exit()
+
+    return click.option(
+        "--show-template",
+        is_flag=True,
+        help="Show the template (currently) used for a given conversion format and exit.",
+        default=None,
+        expose_value=False,
+        show_envvar=True,
+        callback=callback,
+    )(function)
+
+
+@click.command()
+@click.argument("scenes", nargs=-1)
+@folder_path_option
+@click.argument("dest", type=click.Path(dir_okay=False, path_type=Path))
+@click.option(
+    "--to",
+    type=click.Choice(["html"], case_sensitive=False),
+    default="html",
+    show_default=True,
+    help="Set the conversion format to use.",
+)
+@click.option(
+    "--open",
+    "open_result",
+    is_flag=True,
+    help="Open the newly created file using the approriate application.",
+)
+@click.option("-f", "--force", is_flag=True, help="Overwrite any existing file.")
+@click.option(
+    "-c",
+    "--config",
+    "config_options",
+    multiple=True,
+    callback=validate_config_option,
+    help="Configuration options passed to the converter. E.g., pass `-cslide_number=true` to display slide numbers.",
+)
+@click.option(
+    "--use-template",
+    "template",
+    metavar="FILE",
+    type=click.Path(exists=True, dir_okay=False, path_type=Path),
+    help="Use the template given by FILE instead of default one. To echo the default template, use `--show-template`.",
+)
+@show_template_option
+@show_config_options
+@verbosity_option
+def convert(
+    scenes: List[str],
+    folder: Path,
+    dest: Path,
+    to: str,
+    open_result: bool,
+    force: bool,
+    config_options: Dict[str, str],
+    template: Optional[Path],
+) -> None:
+    """
+    Convert SCENE(s) into a given format and writes the result in DEST.
+    """
+
+    presentation_configs = get_scenes_presentation_config(scenes, folder)
+
+    try:
+        converter = Converter.from_string(to)(
+            presentation_configs=presentation_configs,
+            template=template,
+            **config_options,
+        )
+
+        converter.convert_to(dest)
+
+        if open_result:
+            converter.open(dest)
+
+    except ValidationError as e:
+        errors = e.errors()
+
+        msg = [
+            f"{len(errors)} error(s) occured with configuration options for '{to}', see below."
+        ]
+
+        for error in errors:
+            option = error["loc"][0]
+            _msg = error["msg"]
+            msg.append(f"Option '{option}': {_msg}")
+
+        raise click.UsageError("\n".join(msg))

manim_slides/data/revealjs_template.html

@@ -0,0 +1,291 @@
+<!doctype html>
+<html>
+
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
+
+    <title>{title}</title>
+
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/reveal.js/{reveal_version}/reveal.min.css">
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/reveal.js/{reveal_version}/theme/{reveal_theme}.min.css">
+
+    <!-- Theme used for syntax highlighting of code -->
+    <!-- <link rel="stylesheet" href="lib/css/zenburn.css"> -->
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.13.1/styles/zenburn.min.css">
+
+    <!-- <link rel="stylesheet" href="index.css"> -->
+  </head>
+
+  <body>
+    <div class="reveal">
+      <div class="slides">
+        {sections}
+      </div>
+    </div>
+
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/reveal.js/{reveal_version}/reveal.min.js"></script>
+
+    <!-- To include plugins, see: https://revealjs.com/plugins/ -->
+
+    <!-- <script src="index.js"></script> -->
+    <script>
+      Reveal.initialize({{
+
+                // The "normal" size of the presentation, aspect ratio will
+                // be preserved when the presentation is scaled to fit different
+                // resolutions. Can be specified using percentage units.
+                width: {width},
+                height: {height},
+
+                // Factor of the display size that should remain empty around
+                // the content
+                margin: {margin},
+
+                // Bounds for smallest/largest possible scale to apply to content
+                minScale: {min_scale},
+                maxScale: {max_scale},
+
+                // Display presentation control arrows
+                controls: {controls},
+
+                // Help the user learn the controls by providing hints, for example by
+                // bouncing the down arrow when they first encounter a vertical slide
+                controlsTutorial: {controls_tutorial},
+
+                // Determines where controls appear, "edges" or "bottom-right"
+                controlsLayout: {controls_layout},
+
+                // Visibility rule for backwards navigation arrows; "faded", "hidden"
+                // or "visible"
+                controlsBackArrows: {controls_back_arrows},
+
+                // Display a presentation progress bar
+                progress: {progress},
+
+                // Display the page number of the current slide
+                // - true:    Show slide number
+                // - false:   Hide slide number
+                //
+                // Can optionally be set as a string that specifies the number formatting:
+                // - "h.v":   Horizontal . vertical slide number (default)
+                // - "h/v":   Horizontal / vertical slide number
+                // - "c":   Flattened slide number
+                // - "c/t":   Flattened slide number / total slides
+                //
+                // Alternatively, you can provide a function that returns the slide
+                // number for the current slide. The function should take in a slide
+                // object and return an array with one string [slideNumber] or
+                // three strings [n1,delimiter,n2]. See #formatSlideNumber().
+                slideNumber: {slide_number},
+
+                // Can be used to limit the contexts in which the slide number appears
+                // - "all":      Always show the slide number
+                // - "print":    Only when printing to PDF
+                // - "speaker":  Only in the speaker view
+                showSlideNumber: {show_slide_number},
+
+                // Use 1 based indexing for # links to match slide number (default is zero
+                // based)
+                hashOneBasedIndex: {hash_one_based_index},
+
+                // Add the current slide number to the URL hash so that reloading the
+                // page/copying the URL will return you to the same slide
+                hash: {hash},
+
+                // Flags if we should monitor the hash and change slides accordingly
+                respondToHashChanges: {respond_to_hash_changes},
+
+                // Push each slide change to the browser history.  Implies `hash: true`
+                history: {history},
+
+                // Enable keyboard shortcuts for navigation
+                keyboard: {keyboard},
+
+                // Optional function that blocks keyboard events when retuning false
+                //
+                // If you set this to 'focused', we will only capture keyboard events
+                // for embedded decks when they are in focus
+                keyboardCondition: {keyboard_condition},
+
+                // Disables the default reveal.js slide layout (scaling and centering)
+                // so that you can use custom CSS layout
+                disableLayout: {disable_layout},
+
+                // Enable the slide overview mode
+                overview: {overview},
+
+                // Vertical centering of slides
+                center: {center},
+
+                // Enables touch navigation on devices with touch input
+                touch: {touch},
+
+                // Loop the presentation
+                loop: {loop},
+
+                // Change the presentation direction to be RTL
+                rtl: {rtl},
+
+                // Changes the behavior of our navigation directions.
+                //
+                // "default"
+                // Left/right arrow keys step between horizontal slides, up/down
+                // arrow keys step between vertical slides. Space key steps through
+                // all slides (both horizontal and vertical).
+                //
+                // "linear"
+                // Removes the up/down arrows. Left/right arrows step through all
+                // slides (both horizontal and vertical).
+                //
+                // "grid"
+                // When this is enabled, stepping left/right from a vertical stack
+                // to an adjacent vertical stack will land you at the same vertical
+                // index.
+                //
+                // Consider a deck with six slides ordered in two vertical stacks:
+                // 1.1    2.1
+                // 1.2    2.2
+                // 1.3    2.3
+                //
+                // If you're on slide 1.3 and navigate right, you will normally move
+                // from 1.3 -> 2.1. If "grid" is used, the same navigation takes you
+                // from 1.3 -> 2.3.
+                navigationMode: {navigation_mode},
+
+                // Randomizes the order of slides each time the presentation loads
+                shuffle: {shuffle},
+
+                // Turns fragments on and off globally
+                fragments: {fragments},
+
+                // Flags whether to include the current fragment in the URL,
+                // so that reloading brings you to the same fragment position
+                fragmentInURL: {fragment_in_url},
+
+                // Flags if the presentation is running in an embedded mode,
+                // i.e. contained within a limited portion of the screen
+                embedded: {embedded},
+
+                // Flags if we should show a help overlay when the question-mark
+                // key is pressed
+                help: {help},
+
+                // Flags if it should be possible to pause the presentation (blackout)
+                pause: {pause},
+
+                // Flags if speaker notes should be visible to all viewers
+                showNotes: {show_notes},
+
+                // Global override for autolaying embedded media (video/audio/iframe)
+                // - null:   Media will only autoplay if data-autoplay is present
+                // - true:   All media will autoplay, regardless of individual setting
+                // - false:  No media will autoplay, regardless of individual setting
+                autoPlayMedia: {auto_play_media},
+
+                // Global override for preloading lazy-loaded iframes
+                // - null:   Iframes with data-src AND data-preload will be loaded when within
+                //           the viewDistance, iframes with only data-src will be loaded when visible
+                // - true:   All iframes with data-src will be loaded when within the viewDistance
+                // - false:  All iframes with data-src will be loaded only when visible
+                preloadIframes: {preload_iframes},
+
+                // Can be used to globally disable auto-animation
+                autoAnimate: {auto_animate},
+
+                // Optionally provide a custom element matcher that will be
+                // used to dictate which elements we can animate between.
+                autoAnimateMatcher: {auto_animate_matcher},
+
+                // Default settings for our auto-animate transitions, can be
+                // overridden per-slide or per-element via data arguments
+                autoAnimateEasing: {auto_animate_easing},
+                autoAnimateDuration: {auto_animate_duration},
+                autoAnimateUnmatched: {auto_animate_unmatched},
+
+                // CSS properties that can be auto-animated. Position & scale
+                // is matched separately so there's no need to include styles
+                // like top/right/bottom/left, width/height or margin.
+                autoAnimateStyles: {auto_animate_styles},
+
+                // Controls automatic progression to the next slide
+                // - 0:      Auto-sliding only happens if the data-autoslide HTML attribute
+                //           is present on the current slide or fragment
+                // - 1+:     All slides will progress automatically at the given interval
+                // - false:  No auto-sliding, even if data-autoslide is present
+                autoSlide: {auto_slide},
+
+                // Stop auto-sliding after user input
+                autoSlideStoppable: {auto_slide_stoppable},
+
+                // Use this method for navigation when auto-sliding (defaults to navigateNext)
+                autoSlideMethod: {auto_slide_method},
+
+                // Specify the average time in seconds that you think you will spend
+                // presenting each slide. This is used to show a pacing timer in the
+                // speaker view
+                defaultTiming: {default_timing},
+
+                // Enable slide navigation via mouse wheel
+                mouseWheel: {mouse_wheel},
+
+                // Opens links in an iframe preview overlay
+                // Add `data-preview-link` and `data-preview-link="false"` to customise each link
+                // individually
+                previewLinks: {preview_links},
+
+                // Exposes the reveal.js API through window.postMessage
+                postMessage: {post_message},
+
+                // Dispatches all reveal.js events to the parent window through postMessage
+                postMessageEvents: {post_message_events},
+
+                // Focuses body when page changes visibility to ensure keyboard shortcuts work
+                focusBodyOnPageVisibilityChange: {focus_body_on_page_visibility_change},
+
+                // Transition style
+                transition: {transition}, // none/fade/slide/convex/concave/zoom
+
+                // Transition speed
+                transitionSpeed: {transition_speed}, // default/fast/slow
+
+                // Transition style for full page slide backgrounds
+                backgroundTransition: {background_transition}, // none/fade/slide/convex/concave/zoom
+
+                // The maximum number of pages a single slide can expand onto when printing
+                // to PDF, unlimited by default
+                pdfMaxPagesPerSlide: {pdf_max_pages_per_slide},
+
+                // Prints each fragment on a separate slide
+                pdfSeparateFragments: {pdf_separate_fragments},
+
+                // Offset used to reduce the height of content within exported PDF pages.
+                // This exists to account for environment differences based on how you
+                // print to PDF. CLI printing options, like phantomjs and wkpdf, can end
+                // on precisely the total height of the document whereas in-browser
+                // printing has to end one pixel before.
+                pdfPageHeightOffset: {pdf_page_height_offset},
+
+                // Number of slides away from the current that are visible
+                viewDistance: {view_distance},
+
+                // Number of slides away from the current that are visible on mobile
+                // devices. It is advisable to set this to a lower number than
+                // viewDistance in order to save resources.
+                mobileViewDistance: {mobile_view_distance},
+
+                // The display mode that will be used to show slides
+                display: {display},
+
+                // Hide cursor if inactive
+                hideInactiveCursor: {hide_inactive_cursor},
+
+                // Time before the cursor is hidden (in ms)
+                hideCursorTime: {hide_cursor_time}
+
+
+            }});
+    </script>
+  </body>
+
+</html>

manim_slides/main.py

@@ -1,27 +0,0 @@
-import click
-from click_default_group import DefaultGroup
-
-from . import __version__
-from .present import list_scenes, present
-from .wizard import init, wizard
-
-
-@click.group(cls=DefaultGroup, default="present", default_if_no_args=True)
-@click.version_option(__version__, "-v", "--version")
-@click.help_option("-h", "--help")
-def cli() -> None:
-    """
-    Manim Slides command-line utilities.
-
-    If no command is specified, defaults to `present`.
-    """
-    pass
-
-
-cli.add_command(list_scenes)
-cli.add_command(present)
-cli.add_command(wizard)
-cli.add_command(init)
-
-if __name__ == "__main__":
-    cli()

manim_slides/present.py

@@ -2,23 +2,24 @@ import os
 import platform
 import sys
 import time
-from enum import IntEnum, auto, unique
-from typing import List, Optional, Tuple
+from enum import Enum, IntEnum, auto, unique
+from pathlib import Path
+from typing import Any, Dict, List, Optional, Tuple, Union
 
 import click
 import cv2
 import numpy as np
 from pydantic import ValidationError
-from PySide6 import QtGui
 from PySide6.QtCore import Qt, QThread, Signal, Slot
-from PySide6.QtGui import QPixmap
+from PySide6.QtGui import QCloseEvent, QIcon, QImage, QKeyEvent, QPixmap, QResizeEvent
 from PySide6.QtWidgets import QApplication, QGridLayout, QLabel, QWidget
 from tqdm import tqdm
 
 from .commons import config_path_option, verbosity_option
-from .config import DEFAULT_CONFIG, Config, PresentationConfig, SlideConfig, SlideType
+from .config import DEFAULT_CONFIG, Config, PresentationConfig, SlideConfig
 from .defaults import FOLDER_PATH
 from .manim import logger
+from .resources import *  # noqa: F401, F403
 
 os.environ.pop(
     "QT_QPA_PLATFORM_PLUGIN_PATH", None
@@ -28,9 +29,17 @@ WINDOW_NAME = "Manim Slides"
 WINDOW_INFO_NAME = f"{WINDOW_NAME}: Info"
 WINDOWS = platform.system() == "Windows"
 
+
+class AspectRatio(Enum):
+    ignore = Qt.IgnoreAspectRatio
+    keep = Qt.KeepAspectRatio
+    auto = "auto"
+
+
 ASPECT_RATIO_MODES = {
-    "ignore": Qt.IgnoreAspectRatio,
-    "keep": Qt.KeepAspectRatio,
+    "ignore": AspectRatio.ignore,
+    "keep": AspectRatio.keep,
+    "auto": AspectRatio.auto,
 }
 
 RESIZE_MODES = {
@@ -66,7 +75,7 @@ class Presentation:
 
         self.current_slide_index: int = 0
         self.current_animation: int = self.current_slide.start_animation
-        self.current_file: Optional[str] = None
+        self.current_file: str = ""
 
         self.loaded_animation_cap: int = -1
         self.cap = None  # cap = cv2.VideoCapture
@@ -77,7 +86,6 @@ class Presentation:
         self.lastframe: Optional[np.ndarray] = None
 
         self.reset()
-        self.add_last_slide()
 
     @property
     def current_slide(self) -> SlideConfig:
@@ -107,7 +115,6 @@ class Presentation:
         if (self.loaded_animation_cap != animation) or (
             self.reverse and self.reversed_animation != animation
         ):  # cap already loaded
-
             logger.debug(f"Loading new cap for animation #{animation}")
 
             self.release_cap()
@@ -120,7 +127,7 @@ class Presentation:
 
             self.current_file = file
 
-            self.cap = cv2.VideoCapture(file)
+            self.cap = cv2.VideoCapture(str(file))
             self.loaded_animation_cap = animation
 
     @property
@@ -184,17 +191,6 @@ class Presentation:
             )
         return max(fps, 1)  # TODO: understand why we sometimes get 0 fps
 
-    def add_last_slide(self) -> None:
-        """Add a 'last' slide to the end of slides."""
-        self.slides.append(
-            SlideConfig(
-                start_animation=self.last_slide.end_animation,
-                end_animation=self.last_slide.end_animation + 1,
-                type=SlideType.last,
-                number=self.last_slide.number + 1,
-            )
-        )
-
     def reset(self) -> None:
         """Rests current presentation."""
         self.current_animation = 0
@@ -233,7 +229,7 @@ class Presentation:
         """Returns current frame number."""
         return int(self.current_cap.get(cv2.CAP_PROP_POS_FRAMES))
 
-    def update_state(self, state) -> Tuple[np.ndarray, State]:
+    def update_state(self, state: State) -> Tuple[np.ndarray, State]:
         """
         Updates the current state given the previous one.
 
@@ -247,7 +243,7 @@ class Presentation:
         still_playing, frame = self.current_cap.read()
         if still_playing:
             self.lastframe = frame
-        elif state in [state.WAIT, state.PAUSED]:
+        elif state == state.WAIT or state == state.PAUSED:  # type: ignore
             return self.lastframe, state
         elif self.current_slide.is_last() and self.current_slide.terminated:
             return self.lastframe, State.END
@@ -279,7 +275,7 @@ class Presentation:
         return self.lastframe, state
 
 
-class Display(QThread):
+class Display(QThread):  # type: ignore
     """Displays one or more presentations one after each other."""
 
     change_video_signal = Signal(np.ndarray)
@@ -288,12 +284,12 @@ class Display(QThread):
 
     def __init__(
         self,
-        presentations,
+        presentations: List[PresentationConfig],
         config: Config = DEFAULT_CONFIG,
-        start_paused=False,
-        skip_all=False,
-        record_to=None,
-        exit_after_last_slide=False,
+        start_paused: bool = False,
+        skip_all: bool = False,
+        record_to: Optional[str] = None,
+        exit_after_last_slide: bool = False,
     ) -> None:
         super().__init__()
         self.presentations = presentations
@@ -455,14 +451,14 @@ class Display(QThread):
 
         self.key = -1  # No more key to be handled
 
-    def stop(self):
+    def stop(self) -> None:
         """Stops current thread, without doing anything after."""
         self.run_flag = False
         self.wait()
 
 
-class Info(QWidget):
-    def __init__(self):
+class Info(QWidget):  # type: ignore
+    def __init__(self) -> None:
         super().__init__()
         self.setWindowTitle(WINDOW_INFO_NAME)
 
@@ -485,7 +481,7 @@ class Info(QWidget):
         self.update_info({})
 
     @Slot(dict)
-    def update_info(self, info: dict):
+    def update_info(self, info: Dict[str, Union[str, int]]) -> None:
         self.animationLabel.setText("Animation: {}".format(info.get("animation", "na")))
         self.stateLabel.setText("State: {}".format(info.get("state", "unknown")))
         self.slideLabel.setText(
@@ -501,39 +497,41 @@ class Info(QWidget):
         )
 
 
-class InfoThread(QThread):
-    def __init__(self):
+class InfoThread(QThread):  # type: ignore
+    def __init__(self) -> None:
         super().__init__()
         self.dialog = Info()
         self.run_flag = True
 
-    def start(self):
+    def start(self) -> None:
         super().start()
 
         self.dialog.show()
 
-    def stop(self):
+    def stop(self) -> None:
         self.dialog.deleteLater()
 
 
-class App(QWidget):
+class App(QWidget):  # type: ignore
     send_key_signal = Signal(int)
 
     def __init__(
         self,
-        *args,
+        *args: Any,
         config: Config = DEFAULT_CONFIG,
         fullscreen: bool = False,
         resolution: Tuple[int, int] = (1980, 1080),
         hide_mouse: bool = False,
-        aspect_ratio: Qt.AspectRatioMode = Qt.IgnoreAspectRatio,
+        aspect_ratio: AspectRatio = AspectRatio.auto,
         resize_mode: Qt.TransformationMode = Qt.SmoothTransformation,
         background_color: str = "black",
-        **kwargs,
+        **kwargs: Any,
     ):
         super().__init__()
 
         self.setWindowTitle(WINDOW_NAME)
+        self.icon = QIcon(":/icon.png")
+        self.setWindowIcon(self.icon)
         self.display_width, self.display_height = resolution
         self.aspect_ratio = aspect_ratio
         self.resize_mode = resize_mode
@@ -543,6 +541,9 @@ class App(QWidget):
             self.setCursor(Qt.BlankCursor)
 
         self.label = QLabel(self)
+
+        if self.aspect_ratio == AspectRatio.auto:
+            self.label.setScaledContents(True)
         self.label.setAlignment(Qt.AlignCenter)
         self.label.resize(self.display_width, self.display_height)
         self.label.setStyleSheet(f"background-color: {background_color}")
@@ -552,7 +553,8 @@ class App(QWidget):
         self.label.setMinimumSize(1, 1)
 
         # create the video capture thread
-        self.thread = Display(*args, config=config, **kwargs)
+        kwargs["config"] = config
+        self.thread = Display(*args, **kwargs)
         # create the info dialog
         self.info = Info()
         self.info.show()
@@ -572,8 +574,7 @@ class App(QWidget):
         # start the thread
         self.thread.start()
 
-    def keyPressEvent(self, event):
-
+    def keyPressEvent(self, event: QKeyEvent) -> None:
         key = event.key()
         if self.config.HIDE_MOUSE.match(key):
             if self.hide_mouse:
@@ -586,49 +587,39 @@ class App(QWidget):
         self.send_key_signal.emit(key)
         event.accept()
 
-    def closeAll(self):
+    def closeAll(self) -> None:
         logger.debug("Closing all QT windows")
         self.thread.stop()
         self.info.deleteLater()
         self.deleteLater()
 
-    def resizeEvent(self, event):
-        self.pixmap = self.pixmap.scaled(
-            self.width(), self.height(), self.aspect_ratio, self.resize_mode
-        )
-        self.label.setPixmap(self.pixmap)
+    def resizeEvent(self, event: QResizeEvent) -> None:
+        if not self.label.hasScaledContents():
+            self.pixmap = self.pixmap.scaled(
+                self.width(), self.height(), self.aspect_ratio.value, self.resize_mode
+            )
+            self.label.setPixmap(self.pixmap)
         self.label.resize(self.width(), self.height())
 
-    def closeEvent(self, event):
+    def closeEvent(self, event: QCloseEvent) -> None:
         self.closeAll()
         event.accept()
 
     @Slot(np.ndarray)
-    def update_image(self, cv_img: dict):
-        """Updates the image_label with a new opencv image"""
-        self.pixmap = self.convert_cv_qt(cv_img)
-        self.label.setPixmap(self.pixmap)
-
-    @Slot(dict)
-    def update_info(self, info: dict):
-        """Updates the image_label with a new opencv image"""
-        pass
-
-    def convert_cv_qt(self, cv_img):
-        """Convert from an opencv image to QPixmap"""
-        rgb_image = cv2.cvtColor(cv_img, cv2.COLOR_BGR2RGB)
-        h, w, ch = rgb_image.shape
+    def update_image(self, cv_img: np.ndarray) -> None:
+        """Updates the (image) label with a new opencv image"""
+        h, w, ch = cv_img.shape
         bytes_per_line = ch * w
-        convert_to_Qt_format = QtGui.QImage(
-            rgb_image.data, w, h, bytes_per_line, QtGui.QImage.Format_RGB888
-        )
-        p = convert_to_Qt_format.scaled(
-            self.width(),
-            self.height(),
-            self.aspect_ratio,
-            self.resize_mode,
-        )
-        return QPixmap.fromImage(p)
+        qt_img = QImage(cv_img.data, w, h, bytes_per_line, QImage.Format_BGR888)
+
+        if not self.label.hasScaledContents() and (
+            w != self.width() or h != self.height()
+        ):
+            qt_img = qt_img.scaled(
+                self.width(), self.height(), self.aspect_ratio.value, self.resize_mode
+            )
+
+        self.label.setPixmap(QPixmap.fromImage(qt_img))
 
 
 @click.command()
@@ -636,40 +627,97 @@ class App(QWidget):
     "--folder",
     metavar="DIRECTORY",
     default=FOLDER_PATH,
-    type=click.Path(exists=True, file_okay=False),
+    type=click.Path(exists=True, file_okay=False, path_type=Path),
     help="Set slides folder.",
     show_default=True,
 )
 @click.help_option("-h", "--help")
 @verbosity_option
-def list_scenes(folder) -> None:
+def list_scenes(folder: Path) -> None:
     """List available scenes."""
 
     for i, scene in enumerate(_list_scenes(folder), start=1):
         click.secho(f"{i}: {scene}", fg="green")
 
 
-def _list_scenes(folder) -> List[str]:
+def _list_scenes(folder: Path) -> List[str]:
     """Lists available scenes in given directory."""
     scenes = []
 
-    for file in os.listdir(folder):
-        if file.endswith(".json"):
-            filepath = os.path.join(folder, file)
-            try:
-                _ = PresentationConfig.parse_file(filepath)
-                scenes.append(os.path.basename(file)[:-5])
-            except Exception as e:  # Could not parse this file as a proper presentation config
-                logger.warn(
-                    f"Something went wrong with parsing presentation config `{filepath}`: {e}"
-                )
-                pass
+    for filepath in folder.glob("*.json"):
+        try:
+            _ = PresentationConfig.parse_file(filepath)
+            scenes.append(filepath.stem)
+        except (
+            Exception
+        ) as e:  # Could not parse this file as a proper presentation config
+            logger.warn(
+                f"Something went wrong with parsing presentation config `{filepath}`: {e}"
+            )
+            pass
 
     logger.debug(f"Found {len(scenes)} valid scene configuration files in `{folder}`.")
 
     return scenes
 
 
+def prompt_for_scenes(folder: Path) -> List[str]:
+    """Prompts the user to select scenes within a given folder."""
+
+    scene_choices = dict(enumerate(_list_scenes(folder), start=1))
+
+    for i, scene in scene_choices.items():
+        click.secho(f"{i}: {scene}", fg="green")
+
+    click.echo()
+
+    click.echo("Choose number corresponding to desired scene/arguments.")
+    click.echo("(Use comma separated list for multiple entries)")
+
+    def value_proc(value: Optional[str]) -> List[str]:
+        indices = list(map(int, (value or "").strip().replace(" ", "").split(",")))
+
+        if not all(0 < i <= len(scene_choices) for i in indices):
+            raise click.UsageError("Please only enter numbers displayed on the screen.")
+
+        return [scene_choices[i] for i in indices]
+
+    if len(scene_choices) == 0:
+        raise click.UsageError(
+            "No scenes were found, are you in the correct directory?"
+        )
+
+    while True:
+        try:
+            scenes = click.prompt("Choice(s)", value_proc=value_proc)
+            return scenes
+        except ValueError as e:
+            raise click.UsageError(str(e))
+
+
+def get_scenes_presentation_config(
+    scenes: List[str], folder: Path
+) -> List[PresentationConfig]:
+    """Returns a list of presentation configurations based on the user input."""
+
+    if len(scenes) == 0:
+        scenes = prompt_for_scenes(folder)
+
+    presentation_configs = []
+    for scene in scenes:
+        config_file = folder / f"{scene}.json"
+        if not config_file.exists():
+            raise click.UsageError(
+                f"File {config_file} does not exist, check the scene name and make sure to use Slide as your scene base class"
+            )
+        try:
+            presentation_configs.append(PresentationConfig.parse_file(config_file))
+        except ValidationError as e:
+            raise click.UsageError(str(e))
+
+    return presentation_configs
+
+
 @click.command()
 @click.argument("scenes", nargs=-1)
 @config_path_option
@@ -677,7 +725,7 @@ def _list_scenes(folder) -> List[str]:
     "--folder",
     metavar="DIRECTORY",
     default=FOLDER_PATH,
-    type=click.Path(exists=True, file_okay=False),
+    type=click.Path(exists=True, file_okay=False, path_type=Path),
     help="Set slides folder.",
     show_default=True,
 )
@@ -703,7 +751,7 @@ def _list_scenes(folder) -> List[str]:
     "--record-to",
     "record_to",
     metavar="FILE",
-    type=click.Path(dir_okay=False),
+    type=click.Path(dir_okay=False, path_type=Path),
     default=None,
     help="If set, the presentation will be recorded into a AVI video file with given name.",
 )
@@ -720,8 +768,8 @@ def _list_scenes(folder) -> List[str]:
 @click.option(
     "--aspect-ratio",
     type=click.Choice(ASPECT_RATIO_MODES.keys(), case_sensitive=False),
-    default="ignore",
-    help="Set the aspect ratio mode to be used when rescaling video.",
+    default="auto",
+    help="Set the aspect ratio mode to be used when rescaling video. `'auto'` option is equivalent to `'ignore'`, but can be much faster due to not calling `scaled()` method on every frame.",
     show_default=True,
 )
 @click.option(
@@ -744,19 +792,19 @@ def _list_scenes(folder) -> List[str]:
 @click.help_option("-h", "--help")
 @verbosity_option
 def present(
-    scenes,
-    config_path,
-    folder,
-    start_paused,
-    fullscreen,
-    skip_all,
-    resolution,
-    record_to,
-    exit_after_last_slide,
-    hide_mouse,
-    aspect_ratio,
-    resize_mode,
-    background_color,
+    scenes: List[str],
+    config_path: Path,
+    folder: Path,
+    start_paused: bool,
+    fullscreen: bool,
+    skip_all: bool,
+    resolution: Tuple[int, int],
+    record_to: Optional[Path],
+    exit_after_last_slide: bool,
+    hide_mouse: bool,
+    aspect_ratio: str,
+    resize_mode: str,
+    background_color: str,
 ) -> None:
     """
     Present SCENE(s), one at a time, in order.
@@ -771,55 +819,12 @@ def present(
     if skip_all:
         exit_after_last_slide = True
 
-    if len(scenes) == 0:
-        scene_choices = _list_scenes(folder)
+    presentations = [
+        Presentation(presentation_config)
+        for presentation_config in get_scenes_presentation_config(scenes, folder)
+    ]
 
-        scene_choices = dict(enumerate(scene_choices, start=1))
-
-        for i, scene in scene_choices.items():
-            click.secho(f"{i}: {scene}", fg="green")
-
-        click.echo()
-
-        click.echo("Choose number corresponding to desired scene/arguments.")
-        click.echo("(Use comma separated list for multiple entries)")
-
-        def value_proc(value: str) -> List[str]:
-            indices = list(map(int, value.strip().replace(" ", "").split(",")))
-
-            if not all(0 < i <= len(scene_choices) for i in indices):
-                raise click.UsageError(
-                    "Please only enter numbers displayed on the screen."
-                )
-
-            return [scene_choices[i] for i in indices]
-
-        if len(scene_choices) == 0:
-            raise click.UsageError(
-                "No scenes were found, are you in the correct directory?"
-            )
-
-        while True:
-            try:
-                scenes = click.prompt("Choice(s)", value_proc=value_proc)
-                break
-            except ValueError as e:
-                raise click.UsageError(e)
-
-    presentations = []
-    for scene in scenes:
-        config_file = os.path.join(folder, f"{scene}.json")
-        if not os.path.exists(config_file):
-            raise click.UsageError(
-                f"File {config_file} does not exist, check the scene name and make sure to use Slide as your scene base class"
-            )
-        try:
-            pres_config = PresentationConfig.parse_file(config_file)
-            presentations.append(Presentation(pres_config))
-        except ValidationError as e:
-            raise click.UsageError(str(e))
-
-    if os.path.exists(config_path):
+    if config_path.exists():
         try:
             config = Config.parse_file(config_path)
         except ValidationError as e:
@@ -829,7 +834,7 @@ def present(
         config = Config()
 
     if record_to is not None:
-        _, ext = os.path.splitext(record_to)
+        ext = record_to.suffix
         if ext.lower() != ".avi":
             raise click.UsageError(
                 "Recording only support '.avi' extension. For other video formats, please convert the resulting '.avi' file afterwards."
@@ -853,4 +858,3 @@ def present(
     )
     a.show()
     sys.exit(app.exec_())
-    logger.debug("After")

manim_slides/resources.py

@@ -0,0 +1,171 @@
+# type: ignore
+# Resource object code (Python 3)
+# Created by: object code
+# Created by: The Resource Compiler for Qt version 6.4.0
+# WARNING! All changes made in this file will be lost!
+
+from PySide6 import QtCore
+
+qt_resource_data = b"\
+\x00\x00\x08\x1c\
+\x89\
+PNG\x0d\x0a\x1a\x0a\x00\x00\x00\x0dIHDR\x00\
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+\x00\x00\x01\x84iCCPICC prof\
+ile\x00\x00(\x91}\x91=H\xc3@\x1c\xc5_\
+S\xa5R+\x0e\xed \xe2\x90\xa1:Y\x10-\xe2\xa8\
+U(B\x85P+\xb4\xea`r\xfd\x84&\x0dI\x8a\
+\x8b\xa3\xe0Zp\xf0c\xb1\xea\xe0\xe2\xac\xab\x83\xab \
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+8\xee\xc7\xbb{\x8f\xbbw\x80\xd0\xac2\xd5\xec\x99\x00\
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+
+qt_resource_name = b"\
+\x00\x08\
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+"
+
+qt_resource_struct = b"\
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+"
+
+
+def qInitResources():
+    QtCore.qRegisterResourceData(
+        0x03, qt_resource_struct, qt_resource_name, qt_resource_data
+    )
+
+
+def qCleanupResources():
+    QtCore.qUnregisterResourceData(
+        0x03, qt_resource_struct, qt_resource_name, qt_resource_data
+    )
+
+
+qInitResources()

manim_slides/slide.py

@@ -14,13 +14,20 @@ from .manim import FFMPEG_BIN, MANIMGL, Scene, ThreeDScene, config, logger
 def reverse_video_file(src: str, dst: str) -> None:
     """Reverses a video file, writting the result to `dst`."""
     command = [FFMPEG_BIN, "-i", src, "-vf", "reverse", dst]
+    logger.debug(" ".join(command))
     process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-    process.communicate()
+    output, error = process.communicate()
+
+    if output:
+        logger.debug(output.decode())
+
+    if error:
+        logger.debug(error.decode())
 
 
-class Slide(Scene):
+class Slide(Scene):  # type:ignore
     """
-    Inherits from `manim.Scene` or `manimlib.Scene` and provide necessary tools for slides rendering.
+    Inherits from :class:`manim.scene.scene.Scene` or :class:`manimlib.scene.scene.Scene` and provide necessary tools for slides rendering.
     """
 
     def __init__(
@@ -96,6 +103,25 @@ class Slide(Scene):
         self.current_slide += 1
         self.pause_start_animation = self.current_animation
 
+    def add_last_slide(self) -> None:
+        """Adds a 'last' slide to the end of slides."""
+
+        if (
+            len(self.slides) > 0
+            and self.current_animation == self.slides[-1].end_animation
+        ):
+            self.slides[-1].type = SlideType.last
+            return
+
+        self.slides.append(
+            SlideConfig(
+                type=SlideType.last,
+                start_animation=self.pause_start_animation,
+                end_animation=self.current_animation,
+                number=self.current_slide,
+            )
+        )
+
     def start_loop(self) -> None:
         """Starts a loop."""
         assert self.loop_start_animation is None, "You cannot nest loops"
@@ -124,6 +150,8 @@ class Slide(Scene):
 
         Note that cached files only work with Manim.
         """
+        self.add_last_slide()
+
         if not os.path.exists(self.output_folder):
             os.mkdir(self.output_folder)
 
@@ -202,11 +230,11 @@ class Slide(Scene):
         self.save_slides()
 
 
-class ThreeDSlide(Slide, ThreeDScene):
+class ThreeDSlide(Slide, ThreeDScene):  # type: ignore
     """
-    Inherits from `manim.ThreeDScene` or `manimlib.ThreeDScene` and provide necessary tools for slides rendering.
+    Inherits from :class:`Slide` and :class:`manim.scene.three_d_scene.ThreeDScene` or :class:`manimlib.scene.three_d_scene.ThreeDScene` and provide necessary tools for slides rendering.
 
-    Note that ManimGL does not need ThreeDScene for 3D rendering in recent versions, see `example.py`.
+    .. note:: ManimGL does not need ThreeDScene for 3D rendering in recent versions, see `example.py`.
     """
 
     pass

manim_slides/wizard.py

@@ -5,6 +5,7 @@ from typing import Any
 
 import click
 from PySide6.QtCore import Qt
+from PySide6.QtGui import QIcon, QKeyEvent
 from PySide6.QtWidgets import (
     QApplication,
     QDialog,
@@ -21,6 +22,7 @@ from .commons import config_options, verbosity_option
 from .config import Config, Key
 from .defaults import CONFIG_PATH
 from .manim import logger
+from .resources import *  # noqa: F401, F403
 
 WINDOW_NAME: str = "Configuration Wizard"
 
@@ -29,7 +31,7 @@ for key in Qt.Key:
     keymap[key.value] = key.name.partition("_")[2]
 
 
-class KeyInput(QDialog):
+class KeyInput(QDialog):  # type: ignore
     def __init__(self) -> None:
         super().__init__()
         self.key = None
@@ -41,19 +43,20 @@ class KeyInput(QDialog):
         self.layout.addWidget(self.label)
         self.setLayout(self.layout)
 
-    def keyPressEvent(self, event: Any) -> None:
+    def keyPressEvent(self, event: QKeyEvent) -> None:
         self.key = event.key()
         self.deleteLater()
         event.accept()
 
 
-class Wizard(QWidget):
+class Wizard(QWidget):  # type: ignore
     def __init__(self, config: Config):
-
         super().__init__()
 
         self.setWindowTitle(WINDOW_NAME)
         self.config = config
+        self.icon = QIcon(":/icon.png")
+        self.setWindowIcon(self.icon)
 
         QBtn = QDialogButtonBox.Save | QDialogButtonBox.Cancel
 
@@ -127,7 +130,7 @@ class Wizard(QWidget):
 @config_options
 @click.help_option("-h", "--help")
 @verbosity_option
-def wizard(config_path, force, merge):
+def wizard(config_path: str, force: bool, merge: bool) -> None:
     """Launch configuration wizard."""
     return _init(config_path, force, merge, skip_interactive=False)
 
@@ -136,12 +139,16 @@ def wizard(config_path, force, merge):
 @config_options
 @click.help_option("-h", "--help")
 @verbosity_option
-def init(config_path, force, merge, skip_interactive=False):
+def init(
+    config_path: str, force: bool, merge: bool, skip_interactive: bool = False
+) -> None:
     """Initialize a new default configuration file."""
     return _init(config_path, force, merge, skip_interactive=True)
 
 
-def _init(config_path, force, merge, skip_interactive=False):
+def _init(
+    config_path: str, force: bool, merge: bool, skip_interactive: bool = False
+) -> None:
     """Actual initialization code for configuration file, with optional interactive mode."""
 
     if os.path.exists(config_path):

pyproject.toml

@@ -1,2 +1,107 @@
-[tool.vulture]
-paths = ["manim_slides"]
+[build-system]
+build-backend = "poetry.core.masonry.api"
+requires = ["setuptools", "poetry-core>=1.0.0"]
+
+[tool.black]
+target-version = ["py38"]
+
+[tool.isort]
+profile = "black"
+py_version = 38
+
+[tool.mypy]
+check-untyped-defs = true
+# Disallow dynamic typing
+disallow-any-generics = true
+disallow-incomplete-defs = true
+disallow-subclassing-any = true
+# Disallow untyped definitions and calls
+disallow-untyped-defs = true
+ignore-missing-imports = true
+install-types = true
+# None and optional handling
+no-implicit-optional = true
+no-warn-return-any = true
+non-interactive = true
+python_version = "3.8"
+# Strict equality
+strict-equality = true
+warn-no-return = true
+warn-redundant-casts = true
+# Config file
+warn-unused-configs = true
+# Configuring warnings
+warn-unused-ignores = true
+
+[tool.poetry]
+authors = [
+  "Jérome Eertmans <jeertmans@icloud.com>"
+]
+classifiers = [
+  "Programming Language :: Python :: 3",
+  "Programming Language :: Python :: 3.8",
+  "Programming Language :: Python :: 3.9",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+  "License :: OSI Approved :: MIT License",
+  "Operating System :: OS Independent",
+  "Topic :: Multimedia :: Video",
+  "Topic :: Multimedia :: Graphics",
+  "Topic :: Scientific/Engineering"
+]
+description = "Tool for live presentations using manim"
+documentation = "https://eertmans.be/manim-slides"
+exclude = ["docs/", "static/"]
+homepage = "https://github.com/jeertmans/manim-slides"
+keywords = ["manim", "slides", "plugin", "manimgl"]
+license = "MIT"
+name = "manim-slides"
+packages = [
+  {include = "manim_slides"}
+]
+readme = "README.md"
+repository = "https://github.com/jeertmans/manim-slides"
+version = "4.9.2"
+
+[tool.poetry.dependencies]
+click = "^8.1.3"
+click-default-group = "^1.2.2"
+numpy = "^1.19"
+opencv-python = "^4.6.0.66"
+pydantic = "^1.10.2"
+pyside6 = "^6.4.1"
+python = ">=3.8.1,<3.12"
+requests = "^2.28.1"
+tqdm = "^4.64.1"
+
+[tool.poetry.group.dev.dependencies]
+black = "^22.10.0"
+bump2version = "^1.0.1"
+isort = "^5.12.0"
+mypy = "^0.991"
+pre-commit = "^3.0.2"
+ruff = "^0.0.219"
+
+[tool.poetry.group.docs.dependencies]
+furo = "^2022.9.29"
+manim = "^0.17.0"
+myst-parser = "^0.18.1"
+sphinx = "^5.3.0"
+sphinx-click = "^4.4.0"
+sphinx-copybutton = "^0.5.1"
+sphinxext-opengraph = "^0.7.5"
+
+[tool.poetry.group.test.dependencies]
+manim = "^0.17.0"
+manimgl = "^1.6.1"
+
+[tool.poetry.plugins]
+
+[tool.poetry.plugins."console_scripts"]
+manim-slides = "manim_slides.__main__:cli"
+
+[tool.ruff]
+ignore = [
+  "E501"
+]
+target-version = "py38"

setup.py

@@ -1,55 +0,0 @@
-# type: ignore
-import importlib.util
-import os
-import sys
-
-import setuptools
-
-if sys.version_info < (3, 7):
-    raise RuntimeError("This package requires Python 3.7+")
-
-spec = importlib.util.spec_from_file_location(
-    "__version__", os.path.join("manim_slides", "__version__.py")
-)
-version = importlib.util.module_from_spec(spec)
-spec.loader.exec_module(version)
-
-
-with open("README.md", "r") as f:
-    long_description = f.read()
-
-setuptools.setup(
-    name="manim-slides",
-    version=version.__version__,
-    author="Jérome Eertmans (previously, Federico A. Galatolo)",
-    author_email="jeertmans@icloud.com (resp., federico.galatolo@ing.unipi.it)",
-    description="Tool for live presentations using manim",
-    url="https://github.com/jeertmans/manim-slides",
-    long_description=long_description,
-    long_description_content_type="text/markdown",
-    packages=setuptools.find_packages(),
-    entry_points={
-        "console_scripts": [
-            "manim-slides=manim_slides.main:cli",
-        ],
-    },
-    python_requires=">=3.7",
-    install_requires=[
-        "click>=8.0",
-        "click-default-group>=1.2",
-        "numpy>=1.19.3",
-        "pydantic>=1.9.1",
-        "pyside6>=6",
-        "opencv-python>=4.6",
-        "tqdm>=4.62.3",
-    ],
-    classifiers=[
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.7",
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.10",
-        "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
-        "Operating System :: OS Independent",
-    ],
-)