Python Fundamentals: Test the type and isinstance that faster

Nonsense not to say, directly on the source

1 #Decorative Device2 Import Time3 defRuntime (func):4     defInner_func (*args, * *Kwargs):5StartTime =time.time ()6res = func (*args)7         Print('Run time:{}'. Format (Time.time ()-startTime))8         returnRes9     returnInner_funcTen  One #testing the type function A defTest_type (*args, * *Kwargs): -types = [Str,int,float,bool,tuple,list,set,dict]#define a list of common types -type_dict= {}#defines a return set type dictionary the     ifArgs#determine if there are parameters -          forArginchArgs#Traversal Parameters -              forTinchTypes#Traversal Type -                 ifType (ARG) = = T:#match types with type function +TYPE_DICT[STR (arg)] = t#convert arg to key name, T as key value into dictionary -                      Break                             #Interrupt Loop +     returntype_dict A  at #testing the Isinstance function - defTest_isinstance (*args, * *Kwargs): -Types =[Str,int,float,bool,tuple,list,set,dict] -type_dict= {} -     ifargs: -          forArginchargs: in              forTinchtypes: -                 ifIsinstance (ARG, t) = = True:#match type with isinstance function toTYPE_DICT[STR (ARG)] =T +                      Break -     returntype_dict the  * @runtime $ defFor_loop_type (*args, * *Kwargs):Panax Notoginseng      forIinchRange (100000):#Loop call Test_type function 100,000 times - Test_type (args, Kwargs) the  + @runtime A defFor_loop_isinstance (*args, * *Kwargs): the      forIinchRange (10000):#Loop call test_isinstance function 100,000 times + test_isinstance (args, Kwargs) -          $          $ #For_loop_type (1,2,3,4,5,6,7,8,9,2,0,true, (' A ', ' B ', ' C '), {' A ', ' B ', ' C '},[' A ', ' B ', ' C '],{' name ': ' Tom ', ' age ': 20 }) - #for_loop_isinstance (1,2,3,4,5,6,7,8,9,2,0,true, (' A ', ' B ', ' C '), {' A ', ' B ', ' C '},[' A ', ' B ', ' C '],{' name ': ' Tom ', ' Age ': $})

Small partners to test it, I measured the data show that isinstance than the type of high efficiency is not a level, after the test you have to know.

Python Fundamentals: Test the type and isinstance that faster