?????????? ????????? - ??????????????? - /usr/lib64/python3.9/lib2to3/fixes/fix_operator.py
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"""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
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