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Code Issues Projects Releases Packages Wiki Activity Actions 17

bpo-28249: fix lineno location for empty DocTest instances (GH-30498)

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Co-authored-by: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
This commit is contained in:
Nikita Sobolev 2022-05-19 18:46:15 +03:00 • committed by GitHub
parent 09be18a73d
commit 8db2b3b687
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4 changed files with 83 additions and 6 deletions
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14
Lib/doctest.py
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@ -1085,19 +1085,21 @@ class DocTestFinder:
def _find_lineno(self, obj, source_lines):
"""
Return a line number of the given object's docstring. Note:
this method assumes that the object has a docstring.
Return a line number of the given object's docstring.
Returns `None` if the given object does not have a docstring.
"""
lineno = None
docstring = getattr(obj, '__doc__', None)
# Find the line number for modules.
if inspect.ismodule(obj):
if inspect.ismodule(obj) and docstring is not None:
lineno = 0
# Find the line number for classes.
# Note: this could be fooled if a class is defined multiple
# times in a single file.
if inspect.isclass(obj):
if inspect.isclass(obj) and docstring is not None:
if source_lines is None:
return None
pat = re.compile(r'^\s*class\s*%s\b' %
@ -1109,7 +1111,9 @@ class DocTestFinder:
# Find the line number for functions & methods.
if inspect.ismethod(obj): obj = obj.__func__
if inspect.isfunction(obj): obj = obj.__code__
if inspect.isfunction(obj) and getattr(obj, '__doc__', None):
# We don't use `docstring` var here, because `obj` can be changed.
obj = obj.__code__
if inspect.istraceback(obj): obj = obj.tb_frame
if inspect.isframe(obj): obj = obj.f_code
if inspect.iscode(obj):