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bpo-32911: Revert bpo-29463. (GH-7121) (GH-7197)

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Remove the docstring attribute of AST types and restore docstring
expression as a first stmt in their body.

Co-authored-by: INADA Naoki <methane@users.noreply.github.com>
This commit is contained in:
Serhiy Storchaka 2018-05-29 12:04:55 +03:00 • committed by GitHub
parent 2179022d94
commit 73cbe7a01a
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17 changed files with 3287 additions and 3358 deletions
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10
Lib/ast.py
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@ -206,7 +206,15 @@ def get_docstring(node, clean=True):
"""
if not isinstance(node, (AsyncFunctionDef, FunctionDef, ClassDef, Module)):
raise TypeError("%r can't have docstrings" % node.__class__.__name__)
text = node.docstring
if not node.body:
return None
node = node.body[0].value
if isinstance(node, Str):
text = node.s
elif isinstance(node, Constant) and isinstance(node.value, str):
text = node.value
else:
return None
if clean and text:
import inspect
text = inspect.cleandoc(text)