diff options
Diffstat (limited to 'Lib/lib2to3/fixes/fix_operator.py')
-rw-r--r-- | Lib/lib2to3/fixes/fix_operator.py | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/Lib/lib2to3/fixes/fix_operator.py b/Lib/lib2to3/fixes/fix_operator.py deleted file mode 100644 index d303cd2..0000000 --- a/Lib/lib2to3/fixes/fix_operator.py +++ /dev/null @@ -1,97 +0,0 @@ -"""Fixer for operator functions. - -operator.isCallable(obj) -> callable(obj) -operator.sequenceIncludes(obj) -> operator.contains(obj) -operator.isSequenceType(obj) -> isinstance(obj, collections.abc.Sequence) -operator.isMappingType(obj) -> isinstance(obj, collections.abc.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 - - -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, "contains") - - @invocation("callable(%s)") - def _isCallable(self, node, results): - obj = results["obj"] - return Call(Name("callable"), [obj.clone()], prefix=node.prefix) - - @invocation("operator.mul(%s)") - def _repeat(self, node, results): - return self._handle_rename(node, results, "mul") - - @invocation("operator.imul(%s)") - def _irepeat(self, node, results): - return self._handle_rename(node, results, "imul") - - @invocation("isinstance(%s, collections.abc.Sequence)") - def _isSequenceType(self, node, results): - return self._handle_type2abc(node, results, "collections.abc", "Sequence") - - @invocation("isinstance(%s, collections.abc.Mapping)") - def _isMappingType(self, node, results): - return self._handle_type2abc(node, results, "collections.abc", "Mapping") - - @invocation("isinstance(%s, numbers.Number)") - def _isNumberType(self, node, results): - 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.abc.Callable): - 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) - return None |