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Enable using MockInliner in place of Inliner for runtime type checking #1018

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Enable using MockInliner in place of Inliner for runtime type checking #1018

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10 changes: 10 additions & 0 deletions myst_parser/mocking.py
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,16 @@ class MockInliner:
This is parsed to role functions.
"""

# Override the ``__class__`` attribute to enable runtime type checking.
# See https://beartype.readthedocs.io/en/latest/faq/#mock-types.
@property
def __class__(self) -> type:
return Inliner

@__class__.setter
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This is not (yet) in the Beartype documentation, but the explanation for it is in beartype/beartype#485.

def __class__(self, value: type) -> None:
raise NotImplementedError

def __init__(self, renderer: DocutilsRenderer):
"""Initialize the mock inliner."""
self._renderer = renderer
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