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Jones Complexity checker, plugin for flake8

Project description

Flake8 extension to calculate per-line complexity and total code density.

Installation

$ pip install jones-complexity

Usage (Standalone)

$ python -m jones_complexity --min 5 your_file.py

Usage (flake8)

$ flake8 --max-line-complexity 15 --max-jones-score 8 yourproject

What is this?

Because

if user.get_full_name().toUpper().split(' ')[0] == 'ALICE':
    return True

is harder to read and maintain than

if first_name == 'Alice':
   return True

Shamelessly named after myself, in the tradition of McCabe and Halstead.

Examples

Itself:

$ python jones_complexity.py jones_complexity.py
Line counts:
{
    "39": 19,
    "46": 15,
    "137": 12,
    "115": 12,
    [...]
    "18": 1,
    "9": 1,
    "148": 1
}
Jones Score:
4.0

PyEsprima:

$ p jones_complexity.py pyesprima.py
Line counts:
{
    "4182": 265,
    "3688": 190,
    "4186": 189,
    "48": 189,
    "4181": 164,
    [...]
    "1201": 1,
    "3728": 1
}
Jones Score:
9.0

Project details


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Files for jones-complexity, version 0.1.2
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