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[Experimental] Added GraphicalDeviationError exception (#4576)

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* Added the GraphicalDeviationError exception

* Adjusted error message

* Add a note about __module__ = "builtins"
This commit is contained in:
Henrik Skov Midtiby 2026-02-09 21:59:16 +01:00 • committed by GitHub
commit 05c8e37ac7
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1 changed files with 13 additions and 1 deletions
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14
manim/utils/testing/_frames_testers.py
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@ -20,6 +20,16 @@ FRAME_MISMATCH_RATIO_TOLERANCE = 1e-5
logger = logging.getLogger("manim")
class GraphicalDeviationError(Exception):
# The __module__ parameter is set to "builtins" to avoid the full
# specifier for the exception to be included in the output from pytest.
# That is go from
# manim.utils.testing._frames_testers.GraphicalDeviationError
# to
# GraphicalDeviationError
__module__ = "builtins"
class _FramesTester:
def __init__(self, file_path: Path, show_diff: bool = False) -> None:
self._file_path = file_path
@ -81,7 +91,9 @@ class _FramesTester:
self._frames[frame_number],
self._file_path.name,
)
raise
raise GraphicalDeviationError(
f"{number_of_mismatches} pixels differ when comparing with '{self._file_path.name}'"
) from None
class _ControlDataWriter(_FramesTester):