summaryrefslogtreecommitdiffstats
path: root/Lib/lib2to3/fixes/fix_operator.py
diff options
context:
space:
mode:
Diffstat (limited to 'Lib/lib2to3/fixes/fix_operator.py')
-rw-r--r--Lib/lib2to3/fixes/fix_operator.py43
1 files changed, 21 insertions, 22 deletions
diff --git a/Lib/lib2to3/fixes/fix_operator.py b/Lib/lib2to3/fixes/fix_operator.py
index d303cd2..7bf2c0d 100644
--- a/Lib/lib2to3/fixes/fix_operator.py
+++ b/Lib/lib2to3/fixes/fix_operator.py
@@ -1,16 +1,14 @@
"""Fixer for operator functions.
-operator.isCallable(obj) -> callable(obj)
+operator.isCallable(obj) -> hasattr(obj, '__call__')
operator.sequenceIncludes(obj) -> operator.contains(obj)
-operator.isSequenceType(obj) -> isinstance(obj, collections.abc.Sequence)
-operator.isMappingType(obj) -> isinstance(obj, collections.abc.Mapping)
+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.abc
-
# Local imports
from lib2to3 import fixer_base
from lib2to3.fixer_util import Call, Name, String, touch_import
@@ -47,32 +45,33 @@ class FixOperator(fixer_base.BaseFix):
@invocation("operator.contains(%s)")
def _sequenceIncludes(self, node, results):
- return self._handle_rename(node, results, "contains")
+ return self._handle_rename(node, results, u"contains")
- @invocation("callable(%s)")
+ @invocation("hasattr(%s, '__call__')")
def _isCallable(self, node, results):
obj = results["obj"]
- return Call(Name("callable"), [obj.clone()], prefix=node.prefix)
+ args = [obj.clone(), String(u", "), String(u"'__call__'")]
+ return Call(Name(u"hasattr"), args, prefix=node.prefix)
@invocation("operator.mul(%s)")
def _repeat(self, node, results):
- return self._handle_rename(node, results, "mul")
+ return self._handle_rename(node, results, u"mul")
@invocation("operator.imul(%s)")
def _irepeat(self, node, results):
- return self._handle_rename(node, results, "imul")
+ return self._handle_rename(node, results, u"imul")
- @invocation("isinstance(%s, collections.abc.Sequence)")
+ @invocation("isinstance(%s, collections.Sequence)")
def _isSequenceType(self, node, results):
- return self._handle_type2abc(node, results, "collections.abc", "Sequence")
+ return self._handle_type2abc(node, results, u"collections", u"Sequence")
- @invocation("isinstance(%s, collections.abc.Mapping)")
+ @invocation("isinstance(%s, collections.Mapping)")
def _isMappingType(self, node, results):
- return self._handle_type2abc(node, results, "collections.abc", "Mapping")
+ return self._handle_type2abc(node, results, u"collections", u"Mapping")
@invocation("isinstance(%s, numbers.Number)")
def _isNumberType(self, node, results):
- return self._handle_type2abc(node, results, "numbers", "Number")
+ return self._handle_type2abc(node, results, u"numbers", u"Number")
def _handle_rename(self, node, results, name):
method = results["method"][0]
@@ -82,16 +81,16 @@ class FixOperator(fixer_base.BaseFix):
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)
+ args = [obj.clone(), String(u", " + u".".join([module, abc]))]
+ return Call(Name(u"isinstance"), args, prefix=node.prefix)
def _check_method(self, node, results):
- method = getattr(self, "_" + results["method"][0].value)
- if isinstance(method, collections.abc.Callable):
+ method = getattr(self, "_" + results["method"][0].value.encode("ascii"))
+ if callable(method):
if "module" in results:
return method
else:
- sub = (str(results["obj"]),)
- invocation_str = method.invocation % sub
- self.warning(node, "You should use '%s' here." % invocation_str)
+ sub = (unicode(results["obj"]),)
+ invocation_str = unicode(method.invocation) % sub
+ self.warning(node, u"You should use '%s' here." % invocation_str)
return None