Pybuilder plugin for radon cyclomatic complexity
A pybuilder plugin that checks the cyclomatic complexity of your project using
radon. For more information about radon refer to the radon pypi page.
To add this plugin into your pybuilder project, add the following line near the top of your build.py:
NOTE if you are using Pybuilder version
v0.11.x, then specify the following version of the plugin:
Cyclomatic complexity is a software metric used to indicate the complexity of a program. It is a quantitative measure of the number of linearly independent paths through a program's source code. Cyclomatic complexity can be used to measure code complexity. The higher the complexity score the more complex the code, which typically translates to the code being more difficult to understand, maintain and to test. The number of the Cyclomatic complexity depends on how many different execution paths or control flow of your code can execute depending on various inputs. The metrics for Cyclomatic Complexity are:
|1 to 10||simple||not much risk|
|11 to 20||complex||low risk|
|21 to 50||too complex||medium risk, attention|
|more than 50||very complex||unable to test, high risk|
Refer to cyclomatic complexity for more information.
Pybuilder radon properties
The pybuilder task
pyb radon will use radon to to analyze your project and display the average cyclomatic complexity, verbose mode will display complexity of all classes, functions and methods analyzed. The following plugin properties are available to further configure the plugin's execution.
|radon_break_build_average_complexity_threshold||float||None||Fail build if overall average complexity is greater than the specified threshold|
|radon_break_build_complexity_threshold||float||None||Fail build if complexity of any class, function or method exceeds the specified threshold|
The plugin properties are set using
project.set_property, for example setting the following properties,
pyb complexity will fail if the average overall complexity score of the project exceeds
4 or if the complexity score of any class, method or function exceeds
project.set_property('radon_break_build_average_complexity_threshold', 4) project.set_property('radon_break_build_complexity_threshold', 10)
Clone the repository and ensure the latest version of Docker is installed on your development server.
Build the Docker image:
docker image build \ -t \ pybradon:latest .
Run the Docker container:
docker container run \ --rm \ -it \ -v $PWD:/pybuilder-radon \ pybradon:latest \ /bin/sh
Execute the build:
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