summaryrefslogtreecommitdiff
path: root/lib/python2.7/lib2to3/fixes/fix_operator.py
diff options
context:
space:
mode:
Diffstat (limited to 'lib/python2.7/lib2to3/fixes/fix_operator.py')
-rw-r--r--lib/python2.7/lib2to3/fixes/fix_operator.py96
1 files changed, 0 insertions, 96 deletions
diff --git a/lib/python2.7/lib2to3/fixes/fix_operator.py b/lib/python2.7/lib2to3/fixes/fix_operator.py
deleted file mode 100644
index 7bf2c0d..0000000
--- a/lib/python2.7/lib2to3/fixes/fix_operator.py
+++ /dev/null
@@ -1,96 +0,0 @@
-"""Fixer for operator functions.
-
-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)
-"""
-
-# Local imports
-from lib2to3 import fixer_base
-from lib2to3.fixer_util import Call, Name, String, touch_import
-
-
-def invocation(s):
- def dec(f):
- f.invocation = s
- return f
- return dec
-
-
-class FixOperator(fixer_base.BaseFix):
- BM_compatible = True
- order = "pre"
-
- methods = """
- method=('isCallable'|'sequenceIncludes'
- |'isSequenceType'|'isMappingType'|'isNumberType'
- |'repeat'|'irepeat')
- """
- obj = "'(' obj=any ')'"
- PATTERN = """
- power< module='operator'
- trailer< '.' %(methods)s > trailer< %(obj)s > >
- |
- power< %(methods)s trailer< %(obj)s > >
- """ % dict(methods=methods, obj=obj)
-
- def transform(self, node, results):
- method = self._check_method(node, results)
- if method is not None:
- return method(node, results)
-
- @invocation("operator.contains(%s)")
- def _sequenceIncludes(self, node, results):
- return self._handle_rename(node, results, u"contains")
-
- @invocation("hasattr(%s, '__call__')")
- def _isCallable(self, node, results):
- obj = results["obj"]
- 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, u"mul")
-
- @invocation("operator.imul(%s)")
- def _irepeat(self, node, results):
- return self._handle_rename(node, results, u"imul")
-
- @invocation("isinstance(%s, collections.Sequence)")
- def _isSequenceType(self, node, results):
- return self._handle_type2abc(node, results, u"collections", u"Sequence")
-
- @invocation("isinstance(%s, collections.Mapping)")
- def _isMappingType(self, node, results):
- 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, u"numbers", u"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(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.encode("ascii"))
- if callable(method):
- if "module" in results:
- return method
- else:
- sub = (unicode(results["obj"]),)
- invocation_str = unicode(method.invocation) % sub
- self.warning(node, u"You should use '%s' here." % invocation_str)
- return None