doc: create and document packages

README.md

@@ -23,8 +23,8 @@ and divided into three groups.
 
 ### [Creational Patterns](creational/README.md)
 
-- [Factory Method](creational/factory-method/README.md)
+- [Factory Method](creational/factory_method/README.md)
-- [Abstract Factory](creational/abstract-factory/README.md)
+- [Abstract Factory](creational/abstract_factory/README.md)
 - [Builder](creational/builder/README.md)
 - [Prototype](creational/prototype/README.md)
 - [Singleton](creational/singleton/README.md)

creational/README.md

@@ -2,8 +2,8 @@
 
 Creational patterns provide various object creation mechanisms, which increase flexibility and reuse of existing code.
 
-- [Factory Method](factory-method/README.md)
+- [Factory Method](factory_method/README.md)
-- [Abstract Factory](abstract-factory/README.md)
+- [Abstract Factory](abstract_factory/README.md)
 - [Builder](builder/README.md)
 - [Prototype](prototype/README.md)
 - [Singleton](singleton/README.md)

creational/__init__.py

@@ -0,0 +1,4 @@
+"""
+Creational patterns provide various object creation mechanisms, which increase
+flexibility and reuse of existing code.
+"""

creational/abstract_factory/AbstractFactory.py

@@ -1,7 +1,7 @@
 from abc import ABC, abstractmethod
 
-from AbstractProductA import AbstractProductA
+from creational.abstract_factory.AbstractProductA import AbstractProductA
-from AbstractProductB import AbstractProductB
+from creational.abstract_factory.AbstractProductB import AbstractProductB
 
 
 class AbstractFactory(ABC):

creational/abstract_factory/AbstractProductB.py

@@ -1,6 +1,6 @@
 from abc import ABC, abstractmethod
 
-from AbstractProductA import AbstractProductA
+from creational.abstract_factory.AbstractProductA import AbstractProductA
 
 
 class AbstractProductB(ABC):

creational/abstract_factory/__init__.py

@@ -0,0 +1,4 @@
+"""
+Lets you produce families of related objects without specifying their concrete
+classes.
+"""

creational/abstract_factory/factories.py

@@ -1,10 +1,6 @@
-from AbstractFactory import AbstractFactory
+from creational.abstract_factory.AbstractFactory import AbstractFactory
-from products import (
+from creational.abstract_factory.products import ConcreteProductA1, \
-    ConcreteProductA1,
+    ConcreteProductB1, ConcreteProductA2, ConcreteProductB2
-    ConcreteProductA2,
-    ConcreteProductB1,
-    ConcreteProductB2,
-)
 
 
 class ConcreteFactory1(AbstractFactory):

creational/abstract_factory/main.py

@@ -1,7 +1,8 @@
 """The client code can work with any concrete factory class."""
 
-from AbstractFactory import AbstractFactory
+from creational.abstract_factory.AbstractFactory import AbstractFactory
-from factories import ConcreteFactory1, ConcreteFactory2
+from creational.abstract_factory.factories import ConcreteFactory1, \
+    ConcreteFactory2
 
 
 def client_code(factory: AbstractFactory) -> None:

creational/abstract_factory/products.py

@@ -1,7 +1,7 @@
 """Concrete Products are created by corresponding Concrete Factories."""
 
-from AbstractProductA import AbstractProductA
+from creational.abstract_factory.AbstractProductA import AbstractProductA
-from AbstractProductB import AbstractProductB
+from creational.abstract_factory.AbstractProductB import AbstractProductB
 
 
 class ConcreteProductA1(AbstractProductA):

creational/builder/Director.py

@@ -1,4 +1,4 @@
-from Builder import Builder
+from creational.builder.Builder import Builder
 
 
 class Director:

creational/builder/__init__.py

@@ -0,0 +1,5 @@
+"""
+Lets you construct complex objects step by step. The pattern allows you to
+produce different types and representations of an object using the same
+construction code.
+"""

creational/builder/builders.py

@@ -1,5 +1,5 @@
-from Builder import Builder
+from creational.builder.Builder import Builder
-from products import Product1
+from creational.builder.products import Product1
 
 
 class ConcreteBuilder1(Builder):

creational/builder/main.py

@@ -4,8 +4,8 @@ initiates the construction process. The end result is retrieved from the
 builder object.
 """
 
-from builders import ConcreteBuilder1
+from creational.builder.Director import Director
-from Director import Director
+from creational.builder.builders import ConcreteBuilder1
 
 director = Director()
 builder = ConcreteBuilder1()

creational/factory_method/__init__.py

@@ -0,0 +1,4 @@
+"""
+Provides an interface for creating objects in a superclass, but allows
+subclasses to alter the type of objects that will be created.
+"""

creational/factory_method/creators.py

@@ -3,10 +3,9 @@ Concrete Creators override the factory method in order to change the resulting
 product's type.
 """
 
-from __future__ import annotations
+from creational.factory_method.ICreator import ICreator
-
+from creational.factory_method.products import ConcreteProduct1, \
-from ICreator import ICreator
+    ConcreteProduct2
-from products import ConcreteProduct1, ConcreteProduct2
 
 
 class ConcreteCreator1(ICreator):

creational/factory_method/main.py

@@ -1,5 +1,6 @@
-from creators import ConcreteCreator1, ConcreteCreator2
+from creational.factory_method.ICreator import ICreator
-from ICreator import ICreator
+from creational.factory_method.creators import ConcreteCreator1, \
+    ConcreteCreator2
 
 
 def client_code(creator: ICreator) -> None:

creational/factory_method/products.py

@@ -2,7 +2,7 @@
 Concrete Products provide various implementations of the Product interface.
 """
 
-from IProduct import IProduct
+from creational.factory_method.IProduct import IProduct
 
 
 class ConcreteProduct1(IProduct):

creational/prototype/__init__.py

@@ -0,0 +1,4 @@
+"""
+Lets you copy existing objects without making your code dependent on their
+classes.
+"""

creational/prototype/components.py

@@ -39,7 +39,8 @@ class SomeComponent:
 
         # Then, let's clone the object itself, using the prepared clones of the
         # nested objects.
-        new = self.__class__(self.some_int, some_list_of_objects, some_circular_ref)
+        new = self.__class__(
+            self.some_int, some_list_of_objects, some_circular_ref)
         new.__dict__.update(self.__dict__)
 
         return new
@@ -60,10 +61,10 @@ class SomeComponent:
         # First, let's create copies of the nested objects.
         some_list_of_objects = copy.deepcopy(self.some_list_of_objects, memo)
         some_circular_ref = copy.deepcopy(self.some_circular_ref, memo)
-
         # Then, let's clone the object itself, using the prepared clones of the
         # nested objects.
-        new = self.__class__(self.some_int, some_list_of_objects, some_circular_ref)
+        new = self.__class__(
+            self.some_int, some_list_of_objects, some_circular_ref)
 
         new.__dict__ = copy.deepcopy(self.__dict__, memo)
 

creational/prototype/main.py

@@ -1,6 +1,6 @@
 import copy
 
-from components import SelfReferencingEntity, SomeComponent
+from creational.prototype.components import SelfReferencingEntity, SomeComponent
 
 list_of_objects = [1, {1, 2, 3}, [1, 2, 3]]
 circular_ref = SelfReferencingEntity()

creational/singleton/__init__.py

@@ -0,0 +1,4 @@
+"""
+Lets you ensure that a class has only one instance, while providing a global
+access point to this instance.
+"""

structural/__init__.py

@@ -0,0 +1,4 @@
+"""
+Structural patterns explain how to assemble objects and classes into larger
+structures while keeping these structures flexible and efficient.
+"""

structural/adapter/__init__.py

@@ -0,0 +1 @@
+"""Allows objects with incompatible interfaces to collaborate."""

structural/bridge/__init__.py

@@ -0,0 +1,5 @@
+"""
+Lets you split a large class or a set of closely related classes into two
+separate hierarchies—abstraction and implementation—which can be developed
+independently of each other.
+"""

structural/bridge/abstractions.py

@@ -1,6 +1,6 @@
 from dataclasses import dataclass
 
-from IImplementation import Implementation
+from structural.bridge.IImplementation import Implementation
 
 
 @dataclass

structural/bridge/implementations.py

@@ -2,7 +2,7 @@
 Each Concrete Implementation corresponds to a specific platform and implements
 the Implementation interface using that platform's API.
 """
-from IImplementation import Implementation
+from structural.bridge.IImplementation import Implementation
 
 
 class ConcreteImplementationA(Implementation):

structural/bridge/main.py

@@ -2,9 +2,9 @@
 The client code should be able to work with any pre-configured abstraction-
 implementation combination.
 """
-from abstractions import Abstraction
+from structural.bridge.abstractions import Abstraction
-from IImplementation import Implementation
+from structural.bridge.implementations import ConcreteImplementationA, \
-from implementations import ConcreteImplementationA, ConcreteImplementationB
+    ConcreteImplementationB
 
 
 def client_code(abstraction: Abstraction) -> None:
@@ -23,7 +23,6 @@ abstraction = Abstraction(implementation)
 
 client_code(abstraction)
 
-
 print("\n")
 
 implementation = ConcreteImplementationB()

structural/composite/__init__.py

@@ -0,0 +1,4 @@
+"""
+Lets you compose objects into tree structures and then work with these
+structures as if they were individual objects.
+"""

structural/composite/composite.py

@@ -1,7 +1,7 @@
 from dataclasses import dataclass, field
 from typing import List
 
-from component import Component
+from structural.composite.component import Component
 
 
 @dataclass

structural/composite/leaf.py

@@ -1,4 +1,4 @@
-from component import Component
+from structural.composite.component import Component
 
 
 class Leaf(Component):

structural/composite/main.py

@@ -1,6 +1,6 @@
-from component import Component
+from structural.composite.component import Component
-from composite import Composite
+from structural.composite.composite import Composite
-from leaf import Leaf
+from structural.composite.leaf import Leaf
 
 
 def client_code(component: Component) -> None:

structural/decorator/__init__.py

@@ -0,0 +1,4 @@
+"""
+Lets you attach new behaviors to objects by placing these objects inside special
+wrapper objects that contain the behaviors.
+"""

structural/decorator/concrete_component.py

@@ -1,4 +1,5 @@
-from component import Component
+from structural.composite.component import Component
+
 
 class ConcreteComponent(Component):
     """
@@ -7,4 +8,4 @@ class ConcreteComponent(Component):
     """
 
     def operation(self) -> str:
-        return "ConcreteComponent"
+        return "ConcreteComponent"

structural/decorator/concrete_decorators.py

@@ -1,4 +1,4 @@
-from decorator import Decorator
+from structural.decorator.decorator import Decorator
 
 
 class ConcreteDecoratorA(Decorator):

structural/decorator/decorator.py

@@ -1,6 +1,7 @@
-from component import Component
 from dataclasses import dataclass
 
+from structural.decorator.component import Component
+
 
 @dataclass
 class Decorator(Component):

structural/decorator/main.py

@@ -1,6 +1,7 @@
-from component import Component
+from structural.decorator.component import Component
-from concrete_component import ConcreteComponent
+from structural.decorator.concrete_component import ConcreteComponent
-from concrete_decorators import ConcreteDecoratorA, ConcreteDecoratorB
+from structural.decorator.concrete_decorators import ConcreteDecoratorA, \
+    ConcreteDecoratorB
 
 
 def client_code(component: Component):

structural/facade/__init__.py

@@ -0,0 +1,4 @@
+"""
+Provides a simplified interface to a library, a framework, or any other complex
+set of classes.
+"""

structural/flyweight/__init__.py

@@ -0,0 +1,5 @@
+"""
+Lets you fit more objects into the available amount of RAM by sharing common
+parts of state between multiple objects instead of keeping all of the data in
+each object.
+"""

structural/proxy/__init__.py

@@ -0,0 +1,5 @@
+"""
+Lets you provide a substitute or placeholder for another object. A proxy
+controls access to the original object, allowing you to perform something either
+before or after the request gets through to the original object.
+"""