uio-bmi/programming_session_decorators

Name: programming_session_decorators

Owner: Biomedical Informatics Research Group (BMI)

Description: Exercices/examples for programming session on decorators

Created: 2017-11-14 15:10:55.0

Updated: 2017-11-15 10:11:07.0

Pushed: 2017-11-15 10:16:08.0

Homepage: null

Size: 11

Language: Python

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README

Programming session on decorators

Some examples can be found here.

Example decorators that can be made

@print_on_call Prints something every time the method is being called.

@print_arguments_on_call Prints string of arguments every time the method is being called.

@assert_output_is_int Checks the output of the method. Asserts that the output is int (isinstance(output, int))

@assert_output_is(type) Asserts that the output is of the given type.

@log(file_name) Logs the method name and input to file.

@takes(type1, type2, …) Asserts that all arguments are of the given types

memoize Memoizes the output of the function. Using the arguments as unique key.

@count_calls Counts have many time each method is being called. Prints or logs the number of times.

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