Merged revisions 82779,82855,83740,83789-83791,83797-83801,83803,83811,83827,83844 via svnmerge from

svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3

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  r82779 | benjamin.peterson | 2010-07-10 14:45:08 -0500 (Sat, 10 Jul 2010) | 1 line

  typo in attribute name #9217
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  r82855 | benjamin.peterson | 2010-07-13 16:27:38 -0500 (Tue, 13 Jul 2010) | 1 line

  remove more extraneous commas #9245
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  r83740 | alexandre.vassalotti | 2010-08-05 01:58:36 -0500 (Thu, 05 Aug 2010) | 4 lines

  Issue 5077: Update fixer for the other functions gone from the operator module.

  Patch by Meador Inge.
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  r83789 | benjamin.peterson | 2010-08-07 17:45:14 -0500 (Sat, 07 Aug 2010) | 1 line

  cleanup and use unicode consistently
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  r83790 | benjamin.peterson | 2010-08-07 17:52:06 -0500 (Sat, 07 Aug 2010) | 1 line

  unicode literal
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  r83791 | benjamin.peterson | 2010-08-07 17:52:55 -0500 (Sat, 07 Aug 2010) | 1 line

  .get() is pointless here
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  r83797 | benjamin.peterson | 2010-08-07 18:54:51 -0500 (Sat, 07 Aug 2010) | 1 line

  add a function to find how a node is indented
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  r83798 | benjamin.peterson | 2010-08-07 18:55:28 -0500 (Sat, 07 Aug 2010) | 1 line

  when splitting import statements, use correct indentation #9386
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  r83799 | benjamin.peterson | 2010-08-07 18:57:43 -0500 (Sat, 07 Aug 2010) | 1 line

  double quotes
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  r83800 | benjamin.peterson | 2010-08-07 18:58:52 -0500 (Sat, 07 Aug 2010) | 1 line

  add another test
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  r83801 | benjamin.peterson | 2010-08-07 19:02:10 -0500 (Sat, 07 Aug 2010) | 1 line

  cleanup; style-nits
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  r83803 | benjamin.peterson | 2010-08-07 19:05:08 -0500 (Sat, 07 Aug 2010) | 1 line

  slightly more explicit
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  r83811 | benjamin.peterson | 2010-08-07 22:56:44 -0500 (Sat, 07 Aug 2010) | 4 lines

  Fix node.pre_order() to call the right method on its children.

  This was a rather tragic copy-paste error.
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  r83827 | benjamin.peterson | 2010-08-08 08:12:48 -0500 (Sun, 08 Aug 2010) | 1 line

  cause test to actually run and fix it
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  r83844 | benjamin.peterson | 2010-08-08 13:46:37 -0500 (Sun, 08 Aug 2010) | 1 line

  fix whitespace
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This commit is contained in:
Benjamin Peterson 2010-08-08 19:01:25 +00:00
parent bf4cc5d469
commit 4eb5fa56e4
9 changed files with 290 additions and 95 deletions

View file

@ -1,40 +1,89 @@
"""Fixer for operator.{isCallable,sequenceIncludes}
"""Fixer for operator functions.
operator.isCallable(obj) -> hasattr(obj, '__call__')
operator.isCallable(obj) -> hasattr(obj, '__call__')
operator.sequenceIncludes(obj) -> operator.contains(obj)
operator.isSequenceType(obj) -> isinstance(obj, collections.Sequence)
operator.isMappingType(obj) -> isinstance(obj, collections.Mapping)
operator.isNumberType(obj) -> isinstance(obj, numbers.Number)
operator.repeat(obj, n) -> operator.mul(obj, n)
operator.irepeat(obj, n) -> operator.imul(obj, n)
"""
import collections
# Local imports
from .. import fixer_base
from ..fixer_util import Call, Name, String
from lib2to3 import fixer_base
from lib2to3.fixer_util import Call, Name, String, touch_import
class FixOperator(fixer_base.BaseFix):
methods = "method=('isCallable'|'sequenceIncludes')"
func = "'(' func=any ')'"
methods = """
method=('isCallable'|'sequenceIncludes'
|'isSequenceType'|'isMappingType'|'isNumberType'
|'repeat'|'irepeat')
"""
obj = "'(' obj=any ')'"
PATTERN = """
power< module='operator'
trailer< '.' %(methods)s > trailer< %(func)s > >
trailer< '.' %(methods)s > trailer< %(obj)s > >
|
power< %(methods)s trailer< %(func)s > >
""" % dict(methods=methods, func=func)
power< %(methods)s trailer< %(obj)s > >
""" % dict(methods=methods, obj=obj)
def transform(self, node, results):
method = results["method"][0]
method = self._check_method(node, results)
if method is not None:
return method(node, results)
if method.value == "sequenceIncludes":
if "module" not in results:
# operator may not be in scope, so we can't make a change.
self.warning(node, "You should use operator.contains here.")
def _sequenceIncludes(self, node, results):
"""operator.contains(%s)"""
return self._handle_rename(node, results, "contains")
def _isCallable(self, node, results):
"""hasattr(%s, '__call__')"""
obj = results["obj"]
args = [obj.clone(), String(", "), String("'__call__'")]
return Call(Name("hasattr"), args, prefix=node.prefix)
def _repeat(self, node, results):
"""operator.mul(%s)"""
return self._handle_rename(node, results, "mul")
def _irepeat(self, node, results):
"""operator.imul(%s)"""
return self._handle_rename(node, results, "imul")
def _isSequenceType(self, node, results):
"""isinstance(%s, collections.Sequence)"""
return self._handle_type2abc(node, results, "collections", "Sequence")
def _isMappingType(self, node, results):
"""isinstance(%s, collections.Mapping)"""
return self._handle_type2abc(node, results, "collections", "Mapping")
def _isNumberType(self, node, results):
"""isinstance(%s, numbers.Number)"""
return self._handle_type2abc(node, results, "numbers", "Number")
def _handle_rename(self, node, results, name):
method = results["method"][0]
method.value = name
method.changed()
def _handle_type2abc(self, node, results, module, abc):
touch_import(None, module, node)
obj = results["obj"]
args = [obj.clone(), String(", " + ".".join([module, abc]))]
return Call(Name("isinstance"), args, prefix=node.prefix)
def _check_method(self, node, results):
method = getattr(self, "_" + results["method"][0].value)
if isinstance(method, collections.Callable):
if "module" in results:
return method
else:
method.value = "contains"
method.changed()
elif method.value == "isCallable":
if "module" not in results:
self.warning(node,
"You should use hasattr(%s, '__call__') here." %
results["func"].value)
else:
func = results["func"]
args = [func.clone(), String(", "), String("'__call__'")]
return Call(Name("hasattr"), args, prefix=node.prefix)
sub = (str(results["obj"]),)
invocation_str = str(method.__doc__) % sub
self.warning(node, "You should use '%s' here." % invocation_str)
return None