New submission from Carsten Klein:
Given an input module such as
class klass(object):
"""multi line comment
continued on this line
"""
"""single line comment"""
"""
Another multi
line
comment"""
and implementing a custom ast.NodeVisitor such as
import as
class CustomVisitor(ast.NodeVisitor):
def visit_ClassDef(self, node):
for childNode in node.body:
self.visit(childNode)
def visit_Expr(self, node):
print(node.col_offset)
print(node.value.col_offset)
and feeding it the compiled ast from the module above
f = open('./module.py')
source = f.read()
node = ast.parse(source, mode = 'exec')
visitor = CustomVisitor()
visitor.visit(node)
should yield -1/-1 for the docstring that is the first
child node expression of the classdef body.
it will, however, yield the correct col_offset of 4/4 for
the single line docstring following the first one.
the multi line docstring following that will again
yield a -1/-1 col_offset.
It believe that this behaviour is not correct and instead
the col_offset should be 4 for both the expression node
and its str value.
----------
components: Interpreter Core
messages: 178444
nosy: carsten.kl...@axn-software.de
priority: normal
severity: normal
status: open
title: col_offset is -1 for multiline string expressions resembling docstrings
type: enhancement
versions: Python 3.4
_______________________________________
Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue16806>
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