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21ad14ed14* fixed issue * fixed tests * Update manim/renderer/cairo_renderer.py Co-authored-by: Darylgolden <darylgolden@gmail.com> * added tests * imrpoved test * fixed logic * added new test * check if the file has been outputed * added test when caching is enabled * fixed tests on windows * black * Update manim/renderer/cairo_renderer.py Co-authored-by: Naveen M K <naveen@syrusdark.website> * Update tests/assert_utils.py Co-authored-by: Naveen M K <naveen@syrusdark.website> Co-authored-by: KingWampy <9156604+WampyCakes@users.noreply.github.com> Co-authored-by: Darylgolden <darylgolden@gmail.com> Co-authored-by: Naveen M K <naveen@syrusdark.website>
25 lines
860 B
Python
25 lines
860 B
Python
import typing
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from os import PathLike
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from pathlib import Path
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from pprint import pformat
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def assert_file_exists(filepath: typing.Union[str, PathLike]) -> None:
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"""Assert if filepath points to an existing file. Print all the elements (files and dir) of the parent dir of the given filepath.
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This is mostly to have better assert message than using a raw assert os.path.isfile(filepath).
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Parameters
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----------
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filepath
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Filepath to check.
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Raises
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------
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AssertionError
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If filepath does not point to a file (if the file does not exist or it's a dir).
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"""
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path = Path(filepath)
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if not path.is_file():
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message = f"{path.absolute()} is not a file. Other elements in the parent directory are \n{pformat([path.name for path in list(path.parent.iterdir())])}"
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raise AssertionError(message)
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