# # Licensed to the Apache Software Foundation (ASF) under one # or more contributor license agreements. See the NOTICE file # distributed with this work for additional information # regarding copyright ownership. The ASF licenses this file # to you under the Apache License, Version 2.0 (the # "License"); you may not use this file except in compliance # with the License. You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, # software distributed under the License is distributed on an # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY # KIND, either express or implied. See the License for the # specific language governing permissions and limitations # under the License. # from types import FunctionType import six from aenum import Enum if six.PY3: class long(int): pass FloatType = float IntType = int LongType = long TypeType = type ListType = list DictType = dict SetType = set ByteBufferType = bytes else: long = long SetType = set ByteBufferType = bytearray from types import FloatType from types import IntType from types import LongType from types import TypeType from types import ListType from types import DictType from types import TypeType class timestamp(float): """ In Python a timestamp is simply a float. This dummy class (similar to long), allows users to wrap a float in a GLV script to make sure the value is serialized as a Gremlin timestamp. """ pass class SingleByte(int): """ Provides a way to pass a single byte via Gremlin. """ def __new__(cls, b): if -128 <= b < 128: int.__new__(cls, b) else: raise ValueError("value must be between -128 and 127 inclusive") class SingleChar(str): """ Provides a way to pass a single character via Gremlin. """ def __new__(cls, c): if len(b) == 1: str.__new__(cls, c) else: raise ValueError("string must contain a single character") class GremlinType(object): """ Provides a way to represent a "Java class" for Gremlin. """ def __init__(self, gremlin_type): self.gremlin_type = gremlin_type staticMethods = {} staticEnums = {} default_lambda_language = "gremlin-python" def add_static(key, value): if isinstance(value, Enum): staticEnums[key] = value else: staticMethods[key] = value def load_statics(global_dict): for key in staticMethods: global_dict[key] = staticMethods[key] for key in staticEnums: global_dict[key] = staticEnums[key] def unload_statics(global_dict): for key in staticMethods: if key in global_dict: del global_dict[key] for key in staticEnums: if key in global_dict: del global_dict[key]