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Fix module exec error by adding it to sys.modules beforehand

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Splines 2025-02-04 17:46:53 +01:00
parent 7a7bf83f11
commit d86f8dcef6
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1 changed files with 11 additions and 1 deletions
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12
manimlib/extract_scene.py
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@ -174,7 +174,17 @@ def insert_embed_line_to_module(module: Module, run_config: Dict) -> None:
# Execute the code, which presumably redefines the user's
# scene to include this embed line, within the relevant module.
code_object = compile(new_code, module.__name__, 'exec')
# Note that we add the user-module to sys.modules to please Python builtins
# that rely on cls.__module__ to be not None (which would be the case if
# the module was not in sys.modules). See #2307.
if module.__name__ in sys.modules:
log.error(
"Module name is already used by Manim itself, "
"please use a different name"
)
sys.exit(2)
sys.modules[module.__name__] = module
code_object = compile(new_code, module.__name__, "exec")
exec(code_object, module.__dict__)