Thinking in Python

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1、ThinkinginPythonDesignPatternsandProblem-SolvingTechniquesBruceEckelPresident,MindView,Inc.Pleasenotethatthisdocumentisinitsinitialform,andmuchremainstobedone.ContentsPreface5Introduction7TheY2Ksyndrome..............8Contextandcomposition....9AquickcourseinPythonforprogrammers

2、11Pythonoverview.................11Built-incontainers........................12Functions......................................13Strings...........................................14Classes...........................................16Thepatternconcept21Whatisapattern?...........

3、..21Patterntaxonomy..............23DesignStructures..............24Designprinciples...............25TheSingleton.....................27Classifyingpatterns...........32Thedevelopmentchallenge33Exercises............................342:UnitTesting34Writetestsfirst................

4、..36SimplePythontesting.......37Averysimpleframework..38Writingtests......................39White-box&black-boxtests42Runningtests.....................44Automaticallyexecutingtests47Exercises............................473:Buildingapplicationframeworks47Templatemethod.........

5、.....48Exercises............................494:Frontingforanimplementation49Proxy..................................50State...................................52StateMachine.....................54Table-DrivenStateMachine61TheStateclass..............................63Conditionsf

6、ortransition..............63Transitionactions.........................64Thetable.......................................64Thebasicmachine........................65Simplevendingmachine..............65Testingthemachine.....................70Tools..................................

7、.70Exercises............................70X:Decorators:dynamictypeselection72Basicdecoratorstructure..73Acoffeeexample................73Classforeachcombination73Thedecoratorapproach....76Compromise......................79Otherconsiderations.........82Exercises.................

8、...........82Y:Iterators:decouplingalgorithmsfromcontainers83