1# Copyright 2008-2015 Nokia Networks 2# Copyright 2016- Robot Framework Foundation 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15 16from collections import Mapping 17from UserDict import UserDict 18from UserString import UserString 19from types import ClassType, NoneType 20 21try: 22 from java.lang import String 23except ImportError: 24 String = () 25 26from .platform import RERAISED_EXCEPTIONS 27 28 29def is_integer(item): 30 return isinstance(item, (int, long)) 31 32 33def is_number(item): 34 return isinstance(item, (int, long, float)) 35 36 37def is_bytes(item): 38 return isinstance(item, (bytes, bytearray)) 39 40 41def is_string(item): 42 # Returns False with `b'bytes'` on IronPython on purpose. Results of 43 # `isinstance(item, basestring)` would depend on IronPython 2.7.x version. 44 return isinstance(item, (str, unicode)) 45 46 47def is_unicode(item): 48 return isinstance(item, unicode) 49 50 51def is_list_like(item): 52 if isinstance(item, (str, unicode, bytes, bytearray, UserString, String, 53 file)): 54 return False 55 try: 56 iter(item) 57 except RERAISED_EXCEPTIONS: 58 raise 59 except: 60 return False 61 else: 62 return True 63 64 65def is_dict_like(item): 66 return isinstance(item, (Mapping, UserDict)) 67 68 69def type_name(item): 70 cls = item.__class__ if hasattr(item, '__class__') else type(item) 71 named_types = {str: 'string', unicode: 'string', bool: 'boolean', 72 int: 'integer', long: 'integer', NoneType: 'None', 73 dict: 'dictionary', type: 'class', ClassType: 'class'} 74 return named_types.get(cls, cls.__name__) 75