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Commit 81681c3

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Add demo for decorator
1 parent 8b1b1fe commit 81681c3

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‎Decorators/.project

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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>Decorators</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.python.pydev.PyDevBuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.python.pydev.pythonNature</nature>
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</natures>
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</projectDescription>

‎Decorators/.pydevproject

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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<?eclipse-pydev version="1.0"?><pydev_project>
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<pydev_pathproperty name="org.python.pydev.PROJECT_SOURCE_PATH">
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<path>/${PROJECT_DIR_NAME}/src</path>
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</pydev_pathproperty>
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<pydev_property name="org.python.pydev.PYTHON_PROJECT_VERSION">python 3.6</pydev_property>
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<pydev_property name="org.python.pydev.PYTHON_PROJECT_INTERPRETER">Default</pydev_property>
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</pydev_project>

‎Decorators/src/decoratorsdemo.py

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'''
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Created on Aug 6, 2017
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@author: Aditya
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'''
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class GOT:
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def __init__(self, **kargs):
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self.properties = kargs
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def what(self):
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print('GOT is Game of Thrones!!')
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def purpose(self):
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print('GOT tells the story of 7 kingdoms and the ruler of those kingdoms.')
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def get_properties(self):
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return self.properties
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def get_property(self, key):
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return self.properties.get(key, None)
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@property
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def kingdom_animal(self):
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return self.properties.get('kingdom_animal', None)
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@kingdom_animal.setter
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def kingdom_animal(self, a):
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self.properties['kingdom_animal'] = a
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@kingdom_animal.deleter
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def kingdom_animal(self):
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del self.properties['kingdom_animal']
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def main():
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print('''Decorators in python are used to create accessor methods for variables.''')
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houseStark = GOT(kingdom_animal = 'Wolf', location = 'North')
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print(houseStark.get_properties())
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print(houseStark.get_property('kingdom_animal'))
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print(houseStark.get_property('location'))
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print('\nDemo of Decorators:')
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print('Getter:', houseStark.kingdom_animal)
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del houseStark.kingdom_animal
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print(houseStark.kingdom_animal)
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houseStark.kingdom_animal = 'Lion'
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print(houseStark.kingdom_animal)
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if __name__ == '__main__': main()

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