chore(gh-pages): remove hidden files

chore(gh-pages): remove everything
chore(docs): use RTD (#365 )
2025-05-18 19:16:21 +08:00 · 2024-01-31 14:13:22 +01:00 · 2024-01-31 14:11:18 +01:00 · 2024-01-31 13:36:53 +01:00 · 2024-01-29 09:12:55 +01:00 · 2024-01-26 18:21:38 +01:00
21 changed files with 4 additions and 2044 deletions
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@ -1,55 +0,0 @@
 # From: https://github.com/pypa/cibuildwheel
 name: Upload Python Package
 on:
  push:
  release:
    types: [published]
 jobs:
  build_wheels:
    name: Build wheels on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest]
    steps:
      - uses: actions/checkout@v2
      # Used to host cibuildwheel
      - uses: actions/setup-python@v2
      - name: Install deps
        run: sudo apt-get install libsdl-pango-dev
      - name: Install packages
        run: python -m pip install -U manim tqdm
      - 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.*
  release:
    name: Release
    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
    runs-on: ubuntu-latest
    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 }}
--- a/.github/workflows/test_examples.yml
+++ b/.github/workflows/test_examples.yml
@ -1,100 +0,0 @@
 on:
  pull_request:
    paths:
      - '**.py'
  workflow_dispatch:
 name: Test Examples
 jobs:
  build-examples:
    strategy:
      matrix:
        manim: [manim, manimgl]
        os: [macos-latest, ubuntu-latest, windows-latest]
        pyversion: ['3.7', '3.8', '3.9', '3.10']
        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'
        - os: windows-latest
          pyversion: '3.8'
        - os: windows-latest
          pyversion: '3.9'
        - os: macos-latest
          pyversion: '3.7'
        - os: macos-latest
          pyversion: '3.8'
        - os: macos-latest
          pyversion: '3.9'
    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
--- a/.gitignore
+++ b/.gitignore
@ -1,19 +0,0 @@
 __pycache__/
 /env
 /tests
 /build
 /dist
 *.egg-info/
 /media
 /presentation
 /.vscode
 slides/
 .manim-slides.json
 videos/
 images/
--- a/.nojekyll
+++ b/.nojekyll
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@ -1,17 +0,0 @@
 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: 22.6.0
    hooks:
    -   id: black
 -   repo: https://github.com/pycqa/isort
    rev: 5.10.1
    hooks:
      - id: isort
        name: isort (python)
        args: ["--profile", "black"]
--- a/1
+++ b/1
@ -0,0 +1 @@
 manim-slides.readthedocs.io
--- a/LICENSE.md
+++ b/LICENSE.md
@ -1,674 +0,0 @@
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 possible use to the public, the best way to achieve this is to make it
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 Also add information on how to contact you by electronic and paper mail.
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--- a/README.md
+++ b/README.md
@ -1,143 +1,4 @@
-[![Latest Release][pypi-version-badge]][pypi-version-url]
+# GitHub Pages branch
 [![Python version][pypi-python-version-badge]][pypi-version-url]
 ![PyPI - Downloads](https://img.shields.io/pypi/dm/manim-slides)
 # Manim Slides
-Tool for live presentations using either [manim-community](https://www.manim.community/) or [manimgl](https://3b1b.github.io/manim/). `manim-slides` will automatically detect the one you are using!
+This branch is kept to keep the https://jeertmans.github.io/manim-slides
-
+link alive, and we redirect to Read The Docs.
 > **_NOTE:_**  This project extends the work of [`manim-presentation`](https://github.com/galatolofederico/manim-presentation), with a lot more features!
 ## Install
 ```
 pip install manim-slides
 ```
 ## Usage
 Use the class `Slide` as your scenes base class:
 ```python
 from manim_slides import Slide
 class Example(Slide):
    def construct(self):
        ...
 ```
 call `self.pause()` when you want to pause the playback and wait for an input to continue (check the keybindings).
 Wrap a series of animations between `self.start_loop()` and `self.stop_loop()` when you want to loop them (until input to continue):
 ```python
 from manim import *
 # or: from manimlib import *
 from manim_slides import Slide
 class Example(Slide):
    def construct(self):
        circle = Circle(radius=3, color=BLUE)
        dot = Dot()
        self.play(GrowFromCenter(circle))
        self.pause()
        self.start_loop()
        self.play(MoveAlongPath(dot, circle), run_time=2, rate_func=linear)
        self.end_loop()
        self.play(dot.animate.move_to(ORIGIN))
        self.pause()
        self.wait()
 ```
 You **must** end your `Slide` with a `self.play(...)` or a `self.wait(..)`.
 To start the presentation using `Scene1`, `Scene2` and so on simply run:
 ```
 manim-slides Scene1 Scene2...
 ```
 ##  Keybindings
 Default keybindings to control the presentation:
 |  Keybinding |          Action          |
 |:-----------:|:------------------------:|
 | Right Arrow |    Continue/Next Slide   |
 |  Left Arrow |      Previous Slide      |
 |      R      | Re-Animate Current Slide |
 |      V      |   Reverse Current Slide  |
 |   Spacebar  |        Play/Pause        |
 |      Q      |           Quit           |
 You can run the **configuration wizard** with:
 ```
 manim-slides wizard
 ```
 Alternatively you can specify different keybindings creating a file named `.manim-slides.json` with the keys: `QUIT` `CONTINUE` `BACK` `REVERSE` `REWIND` and `PLAY_PAUSE`.
 A default file can be created with:
 ```
 manim-slides init
 ```
 > **_NOTE:_**  `manim-slides` uses `cv2.waitKeyEx()` to wait for keypresses, and directly registers the key code.
 ## Run Example
 Clone this repository:
 ```
 git clone https://github.com/jeertmans/manim-slides.git
 cd manim-slides
 ```
 Install `manim` and `manim-slides`:
 ```
 pip install manim manim-slides
 # or
 pip install manimgl manim-slides
 ```
 Render the example scene:
 ```
 manim -qh example.py Example
 # or
 manimgl --hd example.py Example
 ```
 Run the presentation
 ```
 manim-slides Example
 ```
 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)
 ## Comparison with original `manim-presentation`
 Here are a few things that I implemented (or that I'm planning to implement) on top of the original work:
 - [x] Allowing multiple keys to control one action (useful when you use a laser pointer)
 - [x] More robust config files checking
 - [x] Dependencies are installed with the package
 - [x] Only one cli (to rule them all)
 - [x] User can easily generate dummy config file
 - [x] Config file path can be manually set
 - [x] Play animation in reverse [#9](https://github.com/galatolofederico/manim-presentation/issues/9)
 - [x] Handle 3D scenes out of the box
 - [x] Support for both `manim` and `manimgl` modules
 - [ ] Generate docs online
 - [x] Fix the quality problem on Windows platforms with `fullscreen` flag
 ## Contributions and license
 The code is released as Free Software under the [GNU/GPLv3](https://choosealicense.com/licenses/gpl-3.0/) license. Copying, adapting and republishing it is not only consent but also encouraged.
 [pypi-version-badge]: https://img.shields.io/pypi/v/manim-slides?label=manim-slides
 [pypi-version-url]: https://pypi.org/project/manim-slides/
 [pypi-python-version-badge]: https://img.shields.io/pypi/pyversions/manim-slides
--- a/example.py
+++ b/example.py
@ -1,127 +0,0 @@
 import sys
 if "manim" in sys.modules:
    from manim import *
    MANIMGL = False
 elif "manimlib" in sys.modules:
    from manimlib import *
    MANIMGL = True
 else:
    raise ImportError("This script must be run with either `manim` or `manimgl`")
 from manim_slides import Slide, ThreeDSlide
 class Example(Slide):
    def construct(self):
        circle = Circle(radius=3, color=BLUE)
        dot = Dot()
        self.play(GrowFromCenter(circle))
        self.pause()
        self.start_loop()
        self.play(MoveAlongPath(dot, circle), run_time=2, rate_func=linear)
        self.end_loop()
        self.play(dot.animate.move_to(ORIGIN))
        self.pause()
        self.play(dot.animate.move_to(RIGHT * 3))
        self.pause()
        self.start_loop()
        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))
 # For ThreeDExample, things are different
 if not MANIMGL:
    class ThreeDExample(ThreeDSlide):
        def construct(self):
            axes = ThreeDAxes()
            circle = Circle(radius=3, color=BLUE)
            dot = Dot(color=RED)
            self.add(axes)
            self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
            self.play(GrowFromCenter(circle))
            self.begin_ambient_camera_rotation(rate=75 * DEGREES / 4)
            self.pause()
            self.start_loop()
            self.play(MoveAlongPath(dot, circle), run_time=4, rate_func=linear)
            self.end_loop()
            self.stop_ambient_camera_rotation()
            self.move_camera(phi=75 * DEGREES, theta=30 * DEGREES)
            self.play(dot.animate.move_to(ORIGIN))
            self.pause()
            self.play(dot.animate.move_to(RIGHT * 3))
            self.pause()
            self.start_loop()
            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))
 else:
    # WARNING: 3b1b's manim change how ThreeDScene work,
    # this is why things have to be managed differently.
    class ThreeDExample(Slide):
        CONFIG = {
            "camera_class": ThreeDCamera,
        }
        def construct(self):
            axes = ThreeDAxes()
            circle = Circle(radius=3, color=BLUE)
            dot = Dot(color=RED)
            self.add(axes)
            frame = self.camera.frame
            frame.set_euler_angles(
                theta=30 * DEGREES,
                phi=75 * DEGREES,
                gamma=0,
            )
            self.play(GrowFromCenter(circle))
            updater = lambda m, dt: m.increment_theta((75 * DEGREES / 4) * dt)
            frame.add_updater(updater)
            self.pause()
            self.start_loop()
            self.play(MoveAlongPath(dot, circle), run_time=4, rate_func=linear)
            self.end_loop()
            frame.remove_updater(updater)
            self.play(frame.animate.set_theta(30 * DEGREES))
            self.play(dot.animate.move_to(ORIGIN))
            self.pause()
            self.play(dot.animate.move_to(RIGHT * 3))
            self.pause()
            self.start_loop()
            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))
--- a/manim_slides/init.py
+++ b/manim_slides/init.py
@ -1,2 +0,0 @@
 from .__version__ import __version__
 from .slide import Slide, ThreeDSlide
--- a/manim_slides/version.py
+++ b/manim_slides/version.py
@ -1 +0,0 @@
 __version__ = "3.2.3"
--- a/manim_slides/commons.py
+++ b/manim_slides/commons.py
@ -1,28 +0,0 @@
 import click
 from .defaults import CONFIG_PATH
 def config_path_option(function):
    return click.option(
        "-c",
        "--config",
        "config_path",
        default=CONFIG_PATH,
        type=click.Path(dir_okay=False),
        help="Set path to configuration file.",
    )(function)
 def config_options(function):
    function = config_path_option(function)
    function = click.option(
        "-f", "--force", is_flag=True, help="Overwrite any existing configuration file."
    )(function)
    function = click.option(
        "-m",
        "--merge",
        is_flag=True,
        help="Merge any existing configuration file with the new configuration.",
    )(function)
    return function
--- a/manim_slides/config.py
+++ b/manim_slides/config.py
@ -1,49 +0,0 @@
 from typing import Optional, Set
 from pydantic import BaseModel, root_validator, validator
 from .defaults import LEFT_ARROW_KEY_CODE, RIGHT_ARROW_KEY_CODE
 class Key(BaseModel):
    ids: Set[int]
    name: Optional[str] = None
    @validator("ids", each_item=True)
    def id_is_posint(cls, v: int):
        if v < 0:
            raise ValueError("Key ids cannot be negative integers")
        return v
    def match(self, key_id: int):
        return key_id in self.ids
 class Config(BaseModel):
    QUIT: Key = Key(ids=[ord("q")], name="QUIT")
    CONTINUE: Key = Key(ids=[RIGHT_ARROW_KEY_CODE], name="CONTINUE / NEXT")
    BACK: Key = Key(ids=[LEFT_ARROW_KEY_CODE], name="BACK")
    REVERSE: Key = Key(ids=[ord("v")], name="REVERSE")
    REWIND: Key = Key(ids=[ord("r")], name="REWIND")
    PLAY_PAUSE: Key = Key(ids=[32], name="PLAY / PAUSE")
    @root_validator
    def ids_are_unique_across_keys(cls, values):
        ids = set()
        for key in values.values():
            if len(ids.intersection(key.ids)) != 0:
                raise ValueError(
                    "Two or more keys share a common key code: please make sure each key has distinc key codes"
                )
            ids.update(key.ids)
        return values
    def merge_with(self, other: "Config") -> "Config":
        for key_name, key in self:
            other_key = getattr(other, key_name)
            key.ids.update(other_key.ids)
            key.name = other_key.name or key.name
        return self
--- a/manim_slides/defaults.py
+++ b/manim_slides/defaults.py
@ -1,11 +0,0 @@
 import platform
 FOLDER_PATH: str = "./slides"
 CONFIG_PATH: str = ".manim-slides.json"
 if platform.system() == "Windows":
    RIGHT_ARROW_KEY_CODE = 2555904
    LEFT_ARROW_KEY_CODE = 2424832
 else:
    RIGHT_ARROW_KEY_CODE = 65363
    LEFT_ARROW_KEY_CODE = 65361
--- a/manim_slides/main.py
+++ b/manim_slides/main.py
@ -1,22 +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():
    pass
 cli.add_command(list_scenes)
 cli.add_command(present)
 cli.add_command(wizard)
 cli.add_command(init)
 if __name__ == "__main__":
    cli()
--- a/manim_slides/manim.py
+++ b/manim_slides/manim.py
@ -1,45 +0,0 @@
 import sys
 from importlib.util import find_spec
 MANIM_PACKAGE_NAME = "manim"
 MANIM_AVAILABLE = find_spec(MANIM_PACKAGE_NAME) is not None
 MANIM_IMPORTED = MANIM_PACKAGE_NAME in sys.modules
 MANIMGL_PACKAGE_NAME = "manimlib"
 MANIMGL_AVAILABLE = find_spec(MANIMGL_PACKAGE_NAME) is not None
 MANIMGL_IMPORTED = MANIMGL_PACKAGE_NAME in sys.modules
 if MANIM_IMPORTED and MANIMGL_IMPORTED:
    from manim import logger
    logger.warn(
        "Both manim and manimgl are installed, therefore `manim-slide` needs to need which one to use. Please only import one of the two modules so that `manim-slide` knows which one to use. Here, manim is used by default"
    )
    MANIM = True
    MANIMGL = False
 elif MANIM_AVAILABLE and not MANIMGL_IMPORTED:
    MANIM = True
    MANIMGL = False
 elif MANIMGL_AVAILABLE:
    MANIM = False
    MANIMGL = True
 else:
    raise ImportError(
        "Either manim (community) or manimgl (3b1b) package must be installed"
    )
 FFMPEG_BIN = None
 if MANIMGL:
    from manimlib import Scene, ThreeDScene, config
    from manimlib.constants import FFMPEG_BIN
    from manimlib.logger import log as logger
 else:
    from manim import Scene, ThreeDScene, config, logger
    try:  # For manim<v0.16.0.post0
        from manim.constants import FFMPEG_BIN as FFMPEG_BIN
    except ImportError:
        FFMPEG_BIN = config.ffmpeg_executable
--- a/manim_slides/present.py
+++ b/manim_slides/present.py
@ -1,437 +0,0 @@
 import json
 import math
 import os
 import platform
 import sys
 import time
 from enum import IntEnum, auto, unique
 if platform.system() == "Windows":
    import ctypes
 import click
 import cv2
 import numpy as np
 from .commons import config_path_option
 from .config import Config
 from .defaults import CONFIG_PATH, FOLDER_PATH
 from .slide import reverse_video_path
@unique
 class State(IntEnum):
    PLAYING = auto()
    PAUSED = auto()
    WAIT = auto()
    END = auto()
    def __str__(self):
        return self.name.capitalize()
 def now() -> int:
    return round(time.time() * 1000)
 def fix_time(x: float) -> float:
    return x if x > 0 else 1
 class Presentation:
    def __init__(self, config, last_frame_next: bool = False):
        self.last_frame_next = last_frame_next
        self.slides = config["slides"]
        self.files = [path for path in config["files"]]
        self.reverse = False
        self.reversed_slide = -1
        self.lastframe = []
        self.caps = [None for _ in self.files]
        self.reset()
        self.add_last_slide()
    def add_last_slide(self):
        last_slide_end = self.slides[-1]["end_animation"]
        last_animation = len(self.files)
        self.slides.append(
            dict(
                start_animation=last_slide_end,
                end_animation=last_animation,
                type="last",
                number=len(self.slides) + 1,
                terminated=False,
            )
        )
    def reset(self):
        self.current_animation = 0
        self.load_this_cap(0)
        self.current_slide_i = 0
        self.slides[-1]["terminated"] = False
    def next(self):
        if self.current_slide["type"] == "last":
            self.current_slide["terminated"] = True
        else:
            self.current_slide_i = min(len(self.slides) - 1, self.current_slide_i + 1)
            self.rewind_slide()
    def prev(self):
        self.current_slide_i = max(0, self.current_slide_i - 1)
        self.rewind_slide()
    def reverse_slide(self):
        self.rewind_slide(reverse=True)
    def rewind_slide(self, reverse: bool = False):
        self.reverse = reverse
        self.current_animation = self.current_slide["start_animation"]
        self.current_cap.set(cv2.CAP_PROP_POS_FRAMES, 0)
    def load_this_cap(self, cap_number: int):
        if (
            self.caps[cap_number] is None
            or (self.reverse and self.reversed_slide != cap_number)
            or (not self.reverse and self.reversed_slide == cap_number)
        ):
            # unload other caps
            for i in range(len(self.caps)):
                if not self.caps[i] is None:
                    self.caps[i].release()
                    self.caps[i] = None
            # load this cap
            file = self.files[cap_number]
            if self.reverse:
                self.reversed_slide = cap_number
                file = "{}_reversed{}".format(*os.path.splitext(file))
            else:
                self.reversed_slide = -1
            self.caps[cap_number] = cv2.VideoCapture(file)
    @property
    def current_slide(self):
        return self.slides[self.current_slide_i]
    @property
    def current_cap(self):
        self.load_this_cap(self.current_animation)
        return self.caps[self.current_animation]
    @property
    def fps(self):
        return self.current_cap.get(cv2.CAP_PROP_FPS)
    # This function updates the state given the previous state.
    # It does this by reading the video information and checking if the state is still correct.
    # It returns the frame to show (lastframe) and the new state.
    def update_state(self, state):
        if state == State.PAUSED:
            if len(self.lastframe) == 0:
                _, self.lastframe = self.current_cap.read()
            return self.lastframe, state
        still_playing, frame = self.current_cap.read()
        if still_playing:
            self.lastframe = frame
        elif state in [state.WAIT, state.PAUSED]:
            return self.lastframe, state
        elif self.current_slide["type"] == "last" and self.current_slide["terminated"]:
            return self.lastframe, State.END
        if not still_playing:
            if self.current_slide["end_animation"] == self.current_animation + 1:
                if self.current_slide["type"] == "slide":
                    # To fix "it always ends one frame before the animation", uncomment this.
                    # But then clears on the next slide will clear the stationary after this slide.
                    if self.last_frame_next:
                        self.load_this_cap(self.next_cap)
                        self.next_cap = self.caps[self.current_animation + 1]
                        self.next_cap.set(cv2.CAP_PROP_POS_FRAMES, 0)
                        _, self.lastframe = self.next_cap.read()
                    state = State.WAIT
                elif self.current_slide["type"] == "loop":
                    self.current_animation = self.current_slide["start_animation"]
                    state = State.PLAYING
                    self.rewind_slide()
                elif self.current_slide["type"] == "last":
                    self.current_slide["terminated"] = True
            elif (
                self.current_slide["type"] == "last"
                and self.current_slide["end_animation"] == self.current_animation
            ):
                state = State.WAIT
            else:
                # Play next video!
                self.current_animation += 1
                self.load_this_cap(self.current_animation)
                # Reset video to position zero if it has been played before
                self.current_cap.set(cv2.CAP_PROP_POS_FRAMES, 0)
        return self.lastframe, state
 class Display:
    def __init__(
        self,
        presentations,
        config,
        start_paused=False,
        fullscreen=False,
        skip_all=False,
    ):
        self.presentations = presentations
        self.start_paused = start_paused
        self.config = config
        self.skip_all = skip_all
        self.state = State.PLAYING
        self.lastframe = None
        self.current_presentation_i = 0
        self.lag = 0
        self.last_time = now()
        if platform.system() == "Windows":
            user32 = ctypes.windll.user32
            self.screen_width, self.screen_height = user32.GetSystemMetrics(
                0
            ), user32.GetSystemMetrics(1)
        if fullscreen:
            cv2.namedWindow("Video", cv2.WND_PROP_FULLSCREEN)
            cv2.setWindowProperty(
                "Video", cv2.WND_PROP_FULLSCREEN, cv2.WINDOW_FULLSCREEN
            )
    def resize_frame_to_screen(self, frame: np.ndarray):
        frame_height, frame_width = frame.shape[:2]
        scale_height = self.screen_height / frame_height
        scale_width = self.screen_width / frame_width
        scale = min(scale_height, scale_width)
        return cv2.resize(frame, (int(scale * frame_height), int(scale * frame_width)))
    @property
    def current_presentation(self):
        return self.presentations[self.current_presentation_i]
    def run(self):
        while True:
            self.lastframe, self.state = self.current_presentation.update_state(
                self.state
            )
            if self.state == State.PLAYING or self.state == State.PAUSED:
                if self.start_paused:
                    self.state = State.PAUSED
                    self.start_paused = False
            if self.state == State.END:
                if self.current_presentation_i == len(self.presentations) - 1:
                    self.quit()
                else:
                    self.current_presentation_i += 1
                    self.state = State.PLAYING
            self.handle_key()
            self.show_video()
            self.show_info()
    def show_video(self):
        self.lag = now() - self.last_time
        self.last_time = now()
        frame = self.lastframe
        if platform.system() == "Windows":
            frame = self.resize_frame_to_screen(frame)
        cv2.imshow("Video", frame)
    def show_info(self):
        info = np.zeros((130, 420), np.uint8)
        font_args = (cv2.FONT_HERSHEY_SIMPLEX, 0.7, 255)
        grid_x = [30, 230]
        grid_y = [30, 70, 110]
        cv2.putText(
            info,
            f"Animation: {self.current_presentation.current_animation}",
            (grid_x[0], grid_y[0]),
            *font_args,
        )
        cv2.putText(info, f"State: {self.state}", (grid_x[1], grid_y[0]), *font_args)
        cv2.putText(
            info,
            f"Slide {self.current_presentation.current_slide['number']}/{len(self.current_presentation.slides)}",
            (grid_x[0], grid_y[1]),
            *font_args,
        )
        cv2.putText(
            info,
            f"Slide Type: {self.current_presentation.current_slide['type']}",
            (grid_x[1], grid_y[1]),
            *font_args,
        )
        cv2.putText(
            info,
            f"Scene  {self.current_presentation_i + 1}/{len(self.presentations)}",
            ((grid_x[0] + grid_x[1]) // 2, grid_y[2]),
            *font_args,
        )
        cv2.imshow("Info", info)
    def handle_key(self):
        sleep_time = math.ceil(1000 / self.current_presentation.fps)
        key = cv2.waitKeyEx(fix_time(sleep_time - self.lag))
        if self.config.QUIT.match(key):
            self.quit()
        elif self.state == State.PLAYING and self.config.PLAY_PAUSE.match(key):
            self.state = State.PAUSED
        elif self.state == State.PAUSED and self.config.PLAY_PAUSE.match(key):
            self.state = State.PLAYING
        elif self.state == State.WAIT and (
            self.config.CONTINUE.match(key) or self.config.PLAY_PAUSE.match(key)
        ):
            self.current_presentation.next()
            self.state = State.PLAYING
        elif (
            self.state == State.PLAYING and self.config.CONTINUE.match(key)
        ) or self.skip_all:
            self.current_presentation.next()
        elif self.config.BACK.match(key):
            if self.current_presentation.current_slide_i == 0:
                self.current_presentation_i = max(0, self.current_presentation_i - 1)
                self.current_presentation.reset()
                self.state = State.PLAYING
            else:
                self.current_presentation.prev()
                self.state = State.PLAYING
        elif self.config.REVERSE.match(key):
            self.current_presentation.reverse_slide()
            self.state = State.PLAYING
        elif self.config.REWIND.match(key):
            self.current_presentation.rewind_slide()
            self.state = State.PLAYING
    def quit(self):
        cv2.destroyAllWindows()
        sys.exit()
@click.command()
@click.option(
    "--folder",
    default=FOLDER_PATH,
    type=click.Path(exists=True, file_okay=False),
    help="Set slides folder.",
 )
@click.help_option("-h", "--help")
 def list_scenes(folder):
    """List available scenes."""
    for i, scene in enumerate(_list_scenes(folder), start=1):
        click.secho(f"{i}: {scene}", fg="green")
 def _list_scenes(folder):
    scenes = []
    for file in os.listdir(folder):
        if file.endswith(".json"):
            scenes.append(os.path.basename(file)[:-5])
    return scenes
@click.command()
@click.argument("scenes", nargs=-1)
@config_path_option
@click.option(
    "--folder",
    default=FOLDER_PATH,
    type=click.Path(exists=True, file_okay=False),
    help="Set slides folder.",
 )
@click.option("--start-paused", is_flag=True, help="Start paused.")
@click.option("--fullscreen", is_flag=True, help="Fullscreen mode.")
@click.option(
    "--last-frame-next",
    is_flag=True,
    help="Show the next animation first frame as last frame (hack).",
 )
@click.option(
    "--skip-all",
    is_flag=True,
    help="Skip all slides, useful the test if slides are working.",
 )
@click.help_option("-h", "--help")
 def present(
    scenes, config_path, folder, start_paused, fullscreen, last_frame_next, skip_all
 ):
    """Present the different scenes."""
    if len(scenes) == 0:
        scene_choices = _list_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):
            indices = list(map(int, value.strip().replace(" ", "").split(",")))
            if not all(map(lambda i: 0 < i <= len(scene_choices), 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 = list()
    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"
            )
        config = json.load(open(config_file))
        presentations.append(Presentation(config, last_frame_next=last_frame_next))
    if os.path.exists(config_path):
        config = Config.parse_file(config_path)
    else:
        config = Config()
    display = Display(
        presentations,
        config=config,
        start_paused=start_paused,
        fullscreen=fullscreen,
        skip_all=skip_all,
    )
    display.run()
--- a/manim_slides/slide.py
+++ b/manim_slides/slide.py
@ -1,194 +0,0 @@
 import json
 import os
 import platform
 import shutil
 import subprocess
 from tqdm import tqdm
 from .defaults import FOLDER_PATH
 from .manim import FFMPEG_BIN, MANIMGL, Scene, ThreeDScene, config, logger
 def reverse_video_path(src: str) -> str:
    file, ext = os.path.splitext(src)
    return f"{file}_reversed{ext}"
 def reverse_video_file(src: str, dst: str):
    command = [FFMPEG_BIN, "-i", src, "-vf", "reverse", dst]
    process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
    process.communicate()
 class Slide(Scene):
    def __init__(self, *args, output_folder=FOLDER_PATH, **kwargs):
        if MANIMGL:
            if not os.path.isdir("videos"):
                os.mkdir("videos")
            kwargs["file_writer_config"] = {
                "break_into_partial_movies": True,
                "output_directory": "",
                "write_to_movie": True,
            }
            kwargs["preview"] = False
        super().__init__(*args, **kwargs)
        self.output_folder = output_folder
        self.slides = list()
        self.current_slide = 1
        self.current_animation = 0
        self.loop_start_animation = None
        self.pause_start_animation = 0
    @property
    def partial_movie_files(self):
        if MANIMGL:
            from manimlib.utils.file_ops import get_sorted_integer_files
            kwargs = {
                "remove_non_integer_files": True,
                "extension": self.file_writer.movie_file_extension,
            }
            return get_sorted_integer_files(
                self.file_writer.partial_movie_directory, **kwargs
            )
        else:
            return self.renderer.file_writer.partial_movie_files
    @property
    def show_progress_bar(self):
        if MANIMGL:
            return getattr(super(Scene, self), "show_progress_bar", True)
        else:
            return config["progress_bar"] != "none"
    @property
    def leave_progress_bar(self):
        if MANIMGL:
            return getattr(super(Scene, self), "leave_progress_bars", False)
        else:
            return config["progress_bar"] == "leave"
    def play(self, *args, **kwargs):
        super().play(*args, **kwargs)
        self.current_animation += 1
    def pause(self):
        self.slides.append(
            dict(
                type="slide",
                start_animation=self.pause_start_animation,
                end_animation=self.current_animation,
                number=self.current_slide,
            )
        )
        self.current_slide += 1
        self.pause_start_animation = self.current_animation
    def start_loop(self):
        assert self.loop_start_animation is None, "You cannot nest loops"
        self.loop_start_animation = self.current_animation
    def end_loop(self):
        assert (
            self.loop_start_animation is not None
        ), "You have to start a loop before ending it"
        self.slides.append(
            dict(
                type="loop",
                start_animation=self.loop_start_animation,
                end_animation=self.current_animation,
                number=self.current_slide,
            )
        )
        self.current_slide += 1
        self.loop_start_animation = None
        self.pause_start_animation = self.current_animation
    def save_slides(self, use_cache=True):
        if not os.path.exists(self.output_folder):
            os.mkdir(self.output_folder)
        files_folder = os.path.join(self.output_folder, "files")
        if not os.path.exists(files_folder):
            os.mkdir(files_folder)
        scene_name = type(self).__name__
        scene_files_folder = os.path.join(files_folder, scene_name)
        old_animation_files = set()
        if not os.path.exists(scene_files_folder):
            os.mkdir(scene_files_folder)
        elif not use_cache:
            shutil.rmtree(scene_files_folder)
            os.mkdir(scene_files_folder)
        else:
            old_animation_files.update(os.listdir(scene_files_folder))
        files = list()
        for src_file in tqdm(
            self.partial_movie_files,
            desc=f"Copying animation files to '{scene_files_folder}' and generating reversed animations",
            leave=self.leave_progress_bar,
            ascii=True if platform.system() == "Windows" else None,
            disable=not self.show_progress_bar,
        ):
            filename = os.path.basename(src_file)
            _hash, ext = os.path.splitext(filename)
            rev_filename = f"{_hash}_reversed{ext}"
            dst_file = os.path.join(scene_files_folder, filename)
            # We only copy animation if it was not present
            if filename in old_animation_files:
                old_animation_files.remove(filename)
            else:
                shutil.copyfile(src_file, dst_file)
            # We only reverse video if it was not present
            if rev_filename in old_animation_files:
                old_animation_files.remove(rev_filename)
            else:
                rev_file = os.path.join(scene_files_folder, rev_filename)
                reverse_video_file(src_file, rev_file)
            files.append(dst_file)
        logger.info(
            f"Copied {len(files)} animations to '{os.path.abspath(scene_files_folder)}' and generated reversed animations"
        )
        slide_path = os.path.join(self.output_folder, "%s.json" % (scene_name,))
        f = open(slide_path, "w")
        json.dump(dict(slides=self.slides, files=files), f)
        f.close()
        logger.info(
            f"Slide '{scene_name}' configuration written in '{os.path.abspath(slide_path)}'"
        )
    def run(self, *args, **kwargs):
        """MANIMGL renderer"""
        super().run(*args, **kwargs)
        self.save_slides(use_cache=False)
    def render(self, *args, **kwargs):
        """MANIM render"""
        # We need to disable the caching limit since we rely on intermidiate files
        max_files_cached = config["max_files_cached"]
        config["max_files_cached"] = float("inf")
        super().render(*args, **kwargs)
        config["max_files_cached"] = max_files_cached
        self.save_slides()
 class ThreeDSlide(Slide, ThreeDScene):
    pass
--- a/manim_slides/wizard.py
+++ b/manim_slides/wizard.py
@ -1,75 +0,0 @@
 import os
 import sys
 import click
 import cv2
 import numpy as np
 from .commons import config_options
 from .config import Config
 from .defaults import CONFIG_PATH
 def prompt(question: str) -> int:
    font_args = (cv2.FONT_HERSHEY_SIMPLEX, 0.7, 255)
    display = np.zeros((130, 420), np.uint8)
    cv2.putText(display, "* Manim Slides Wizard *", (70, 33), *font_args)
    cv2.putText(display, question, (30, 85), *font_args)
    cv2.imshow("Manim Slides Configuration Wizard", display)
    return cv2.waitKeyEx(-1)
@click.command()
@config_options
 def wizard(config_path, force, merge):
    """Launch configuration wizard."""
    return _init(config_path, force, merge, skip_interactive=False)
@click.command()
@config_options
 def init(config_path, force, merge, skip_interactive=False):
    """Initialize a new default configuration file."""
    return _init(config_path, force, merge, skip_interactive=True)
 def _init(config_path, force, merge, skip_interactive=False):
    if os.path.exists(config_path):
        click.secho(f"The `{CONFIG_PATH}` configuration file exists")
        if not force and not merge:
            choice = click.prompt(
                "Do you want to continue and (o)verwrite / (m)erge it, or (q)uit?",
                type=click.Choice(["o", "m", "q"], case_sensitive=False),
            )
            force = choice == "o"
            merge = choice == "m"
        if force:
            click.secho("Overwriting.")
        elif merge:
            click.secho("Merging.")
        else:
            click.secho("Exiting.")
            sys.exit(0)
    config = Config()
    if not skip_interactive:
        prompt("Press any key to continue")
        for _, key in config:
            key.ids = [prompt(f"Press the {key.name} key")]
    if merge:
        config = Config.parse_file(config_path).merge_with(config)
    with open(config_path, "w") as config_file:
        config_file.write(config.json(indent=4))
    click.echo(f"Configuration file successfully save to `{config_path}`")
--- a/setup.py
+++ b/setup.py
@ -1,46 +0,0 @@
 import sys
 import setuptools
 from manim_slides import __version__ as version
 if sys.version_info < (3, 7):
    raise RuntimeError("This package requires Python 3.7+")
 with open("README.md", "r") as f:
    long_description = f.read()
 setuptools.setup(
    name="manim-slides",
    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",
        "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",
    ],
 )
--- a/static/example.gif
+++ b/static/example.gif
		`@ -1,2 +0,0 @@`
			`from .__version__ import __version__`
			`from .slide import Slide, ThreeDSlide`