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| Filename | /usr/lib/python2.7/lib2to3/fixes/fix_ws_comma.py |
| Size | 1.07 kb |
| Permission | rw-r--r-- |
| Owner | root : root |
| Create time | 27-Apr-2025 09:53 |
| Last modified | 23-Mar-2014 07:55 |
| Last accessed | 06-Jul-2025 10:32 |
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"""Fixer that changes 'a ,b' into 'a, b'.
This also changes '{a :b}' into '{a: b}', but does not touch other
uses of colons. It does not touch other uses of whitespace.
"""
from .. import pytree
from ..pgen2 import token
from .. import fixer_base
class FixWsComma(fixer_base.BaseFix):
explicit = True # The user must ask for this fixers
PATTERN = """
any<(not(',') any)+ ',' ((not(',') any)+ ',')* [not(',') any]>
"""
COMMA = pytree.Leaf(token.COMMA, u",")
COLON = pytree.Leaf(token.COLON, u":")
SEPS = (COMMA, COLON)
def transform(self, node, results):
new = node.clone()
comma = False
for child in new.children:
if child in self.SEPS:
prefix = child.prefix
if prefix.isspace() and u"\n" not in prefix:
child.prefix = u""
comma = True
else:
if comma:
prefix = child.prefix
if not prefix:
child.prefix = u" "
comma = False
return new
This also changes '{a :b}' into '{a: b}', but does not touch other
uses of colons. It does not touch other uses of whitespace.
"""
from .. import pytree
from ..pgen2 import token
from .. import fixer_base
class FixWsComma(fixer_base.BaseFix):
explicit = True # The user must ask for this fixers
PATTERN = """
any<(not(',') any)+ ',' ((not(',') any)+ ',')* [not(',') any]>
"""
COMMA = pytree.Leaf(token.COMMA, u",")
COLON = pytree.Leaf(token.COLON, u":")
SEPS = (COMMA, COLON)
def transform(self, node, results):
new = node.clone()
comma = False
for child in new.children:
if child in self.SEPS:
prefix = child.prefix
if prefix.isspace() and u"\n" not in prefix:
child.prefix = u""
comma = True
else:
if comma:
prefix = child.prefix
if not prefix:
child.prefix = u" "
comma = False
return new