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Jérome Eertmans d717bc651d refactor: use PyQT5 for window display (#49)
* wip: use PyQT5 for window display

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* wip: first slide is shown

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* wip: pushing non-working code

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* wip: some logging

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* feat: new configuration wizard working

* fix: prevent key error

* wip: making action work

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* wip: soon done! info + video

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* fix: bugs in sleep and exiting

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* try: offscreen

* fix: pop default value if not present

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* feat: add aspect ratio option

* chore: typing wip

* fix: now() function returns seconds, not milliseconds anymore

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2022-10-19 11:08:41 +02:00

82 lines
2.1 KiB
Python

import os
import sys
from contextlib import contextmanager
from importlib.util import find_spec
from typing import Iterator
__all__ = [
"MANIM",
"MANIM_PACKAGE_NAME",
"MANIM_AVAILABLE",
"MANIM_IMPORTED",
"MANIMGL",
"MANIMGL_PACKAGE_NAME",
"MANIMGL_AVAILABLE",
"MANIMGL_IMPORTED",
"logger",
"Scene",
"ThreeDScene",
"config",
"FFMPEG_BIN",
]
@contextmanager
def suppress_stdout() -> Iterator[None]:
with open(os.devnull, "w") as devnull:
old_stdout = sys.stdout
sys.stdout = devnull
try:
yield
finally:
sys.stdout = old_stdout
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_IMPORTED:
MANIM = True
MANIMGL = False
elif MANIMGL_IMPORTED:
MANIM = False
MANIMGL = True
elif MANIM_AVAILABLE:
MANIM = True
MANIMGL = False
elif MANIMGL_AVAILABLE:
MANIM = False
MANIMGL = True
else:
raise ModuleNotFoundError(
"Either manim (community) or manimgl (3b1b) package must be installed"
)
if MANIMGL:
from manimlib import Scene, ThreeDScene, config
from manimlib.constants import FFMPEG_BIN
from manimlib.logger import log as logger
else:
with suppress_stdout(): # Avoids printing "Manim Community v..."
from manim import Scene, ThreeDScene, config, logger
try: # For manim<v0.16.0.post0
from manim.constants import FFMPEG_BIN
except ImportError:
FFMPEG_BIN = config.ffmpeg_executable