mirror of
https://github.com/python/cpython.git
synced 2025-08-03 00:23:06 +00:00
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 ........ r82779 | benjamin.peterson | 2010-07-10 14:45:08 -0500 (Sat, 10 Jul 2010) | 1 line typo in attribute name #9217 ........ r82855 | benjamin.peterson | 2010-07-13 16:27:38 -0500 (Tue, 13 Jul 2010) | 1 line remove more extraneous commas #9245 ........ 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. ........ r83789 | benjamin.peterson | 2010-08-07 17:45:14 -0500 (Sat, 07 Aug 2010) | 1 line cleanup and use unicode consistently ........ r83790 | benjamin.peterson | 2010-08-07 17:52:06 -0500 (Sat, 07 Aug 2010) | 1 line unicode literal ........ r83791 | benjamin.peterson | 2010-08-07 17:52:55 -0500 (Sat, 07 Aug 2010) | 1 line .get() is pointless here ........ 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 ........ r83798 | benjamin.peterson | 2010-08-07 18:55:28 -0500 (Sat, 07 Aug 2010) | 1 line when splitting import statements, use correct indentation #9386 ........ r83799 | benjamin.peterson | 2010-08-07 18:57:43 -0500 (Sat, 07 Aug 2010) | 1 line double quotes ........ r83800 | benjamin.peterson | 2010-08-07 18:58:52 -0500 (Sat, 07 Aug 2010) | 1 line add another test ........ r83801 | benjamin.peterson | 2010-08-07 19:02:10 -0500 (Sat, 07 Aug 2010) | 1 line cleanup; style-nits ........ r83803 | benjamin.peterson | 2010-08-07 19:05:08 -0500 (Sat, 07 Aug 2010) | 1 line slightly more explicit ........ 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. ........ r83827 | benjamin.peterson | 2010-08-08 08:12:48 -0500 (Sun, 08 Aug 2010) | 1 line cause test to actually run and fix it ........ r83844 | benjamin.peterson | 2010-08-08 13:46:37 -0500 (Sun, 08 Aug 2010) | 1 line fix whitespace ........
This commit is contained in:
parent
bf4cc5d469
commit
4eb5fa56e4
9 changed files with 290 additions and 95 deletions
|
@ -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
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue