設計模式Python實現集合
設計模式和習慣用法的Python實現集合。
https://github.com/faif/python-patterns
Current Patterns:
| Pattern | Description |
|---|---|
| 3-tier | data<->business logic<->presentation separation (strict relationships) |
| abstract_factory | use a generic function with specific factories |
| adapter | adapt one interface to another using a whitelist |
| borg | a singleton with shared-state among instances |
| bridge | a client-provider middleman to soften interface changes |
| builder | call many little discrete methods rather than having a huge number of constructor parameters |
| catalog | general methods will call different specialized methods based on construction parameter |
| chain | apply a chain of successive handlers to try and process the data |
| chaining_method | continue callback next object method |
| command | bundle a command and arguments to call later |
| composite | encapsulate and provide access to a number of different objects |
| decorator | wrap functionality with other functionality in order to affect outputs |
| facade | use one class as an API to a number of others |
| factory_method | delegate a specialized function/method to create instances |
| flyweight | transparently reuse existing instances of objects with similar/identical state |
| graph_search | (graphing algorithms, not design patterns) |
| lazy_evaluation | lazily-evaluated property pattern in Python |
| mediator | an object that knows how to connect other objects and act as a proxy |
| memento | generate an opaque token that can be used to go back to a previous state |
| mvc | model<->view<->controller (non-strict relationships) |
| observer | provide a callback for notification of events/changes to data |
| pool | preinstantiate and maintain a group of instances of the same type |
| prototype | use a factory and clones of a prototype for new instances (if instantiation is expensive) |
| proxy | an object funnels operations to something else |
| publish_subscribe | a source syndicates events/data to 0+ registered listeners |
| state | logic is org'd into a discrete number of potential states and the next state that can be transitioned to |
| strategy | selectable operations over the same data |
| template | an object imposes a structure but takes pluggable components |
| visitor | invoke a callback for all items of a collection |
https://github.com/faif/python-patterns
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