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Jérome Eertmans 802f6406ae refactor(lib): change how manim API is imported (#285)
* refactor(lib): change how manim API is imported

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-10-17 16:06:19 +02:00

64 lines
1.3 KiB
Python

__all__ = [
"MANIM",
"MANIMGL",
"API_NAME",
"Slide",
"ThreeDSlide",
]
import os
import sys
class ManimApiNotFoundError(ImportError):
"""Error raised if specified manim API could be imported."""
_msg = "Could not import the specified manim API"
def __init__(self) -> None:
super().__init__(self._msg)
API_NAMES = {
"manim": "manim",
"manimce": "manim",
"manimlib": "manimlib",
"manimgl": "manimlib",
}
MANIM_API: str = "MANIM_API"
FORCE_MANIM_API: str = "FORCE_" + MANIM_API
API: str = os.environ.get(MANIM_API, "manim").lower()
if API not in API_NAMES:
raise ImportError(
f"Specified MANIM_API={API!r} is not in valid options: " f"{API_NAMES}",
)
API_NAME = API_NAMES[API]
if not os.environ.get(FORCE_MANIM_API):
if "manim" in sys.modules:
API_NAME = "manim"
elif "manimlib" in sys.modules:
API_NAME = "manimlib"
MANIM: bool = API_NAME == "manim"
MANIMGL: bool = API_NAME == "manimlib"
if MANIM:
try:
from .manim import Slide, ThreeDSlide
except ImportError as e:
raise ManimApiNotFoundError from e
elif MANIMGL:
try:
from .manimlib import Slide, ThreeDSlide
except ImportError as e:
raise ManimApiNotFoundError from e
else:
raise ManimApiNotFoundError