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svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3 ........ r63661 | georg.brandl | 2008-05-26 05:26:20 -0500 (Mon, 26 May 2008) | 2 lines Add import fixes for dbm package. ........ r63666 | georg.brandl | 2008-05-26 05:49:09 -0500 (Mon, 26 May 2008) | 2 lines Add xmlrpc package fixes. ........ r63695 | georg.brandl | 2008-05-26 10:14:33 -0500 (Mon, 26 May 2008) | 2 lines Add fixer entries for http package. ........ r63711 | benjamin.peterson | 2008-05-26 13:43:51 -0500 (Mon, 26 May 2008) | 2 lines add import mapping for test.test_support -> test.support ........ r63729 | benjamin.peterson | 2008-05-26 16:31:03 -0500 (Mon, 26 May 2008) | 2 lines mapping for commands module -> subprocess ........ r63769 | brett.cannon | 2008-05-29 00:13:13 -0500 (Thu, 29 May 2008) | 1 line Fixer for UserString.UserString over to the collections module. ........ r63790 | brett.cannon | 2008-05-29 14:13:51 -0500 (Thu, 29 May 2008) | 4 lines Add a fixer for UserList. Closes issue #2878. Thanks to Quentin Gallet-Gilles for the patch. ........ r63880 | collin.winter | 2008-06-01 18:09:38 -0500 (Sun, 01 Jun 2008) | 6 lines Move lib2to3/fixes/{basefix,util}.py down to lib2to3/. This is step 1 of turning lib2to3/ into a general-purpose refactoring library, reusable by other projects. ........ r63886 | collin.winter | 2008-06-01 22:15:01 -0500 (Sun, 01 Jun 2008) | 5 lines Allow refactoring tools to specify a directory for fixer modules. This is step 2 of turning lib2to3/ into a general-purpose refactoring library, reusable by other projects. Step 1: r63880. ........
39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
"""Fixer that changes 'a ,b' into 'a, b'.
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This also changes '{a :b}' into '{a: b}', but does not touch other
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uses of colons. It does not touch other uses of whitespace.
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"""
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from .. import pytree
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from ..pgen2 import token
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from .. import fixer_base
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class FixWsComma(fixer_base.BaseFix):
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explicit = True # The user must ask for this fixers
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PATTERN = """
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any<(not(',') any)+ ',' ((not(',') any)+ ',')* [not(',') any]>
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"""
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COMMA = pytree.Leaf(token.COMMA, ",")
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COLON = pytree.Leaf(token.COLON, ":")
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SEPS = (COMMA, COLON)
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def transform(self, node, results):
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new = node.clone()
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comma = False
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for child in new.children:
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if child in self.SEPS:
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prefix = child.get_prefix()
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if prefix.isspace() and "\n" not in prefix:
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child.set_prefix("")
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comma = True
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else:
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if comma:
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prefix = child.get_prefix()
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if not prefix:
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child.set_prefix(" ")
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comma = False
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return new
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