twolodzko / deflines

Python code complexity analysis tool

deflines, pronounced like dolphins, is a simple command-line tool that counts the number of lines per each function and method as a rough estimate of code complexity. It is build on top of the Python's ast module.

Examples

Create report for this repository, sort the results by the number of lines per function:

$ deflines | sort -k1
   2  1 deflines/deflines.py:55:4 __str__
   3  1 deflines/deflines.py:43:4 lines
   3  1 deflines/deflines.py:60:4 __init__
   3  1 deflines/deflines.py:6:4 __init__
   4  1 deflines/deflines.py:10:4 visit
   6  2 deflines/deflines.py:15:4 line_counter
   6  3 deflines/cli.py:22:0 main
   8  2 deflines/deflines.py:65:4 process
  10  5 deflines/deflines.py:24:4 cc_counter
  11  1 deflines/cli.py:7:0 parse_args
  13  2 deflines/deflines.py:75:4 visit
  20  2 deflines/test_deflines.py:51:0 test_Analyzer
  29  2 deflines/test_deflines.py:120:0 test_Analyzer_cc

The first column shows the number of lines and the second column cyclomatic complexity.

Look only for the python files with "test" in the path:

$ deflines "**/*test*.py"           
  20  2 deflines/test_deflines.py:51:0 test_Analyzer
  29  2 deflines/test_deflines.py:120:0 test_Analyzer_cc

Installation

To install the package using pip run the following command:

pip install git+https://github.com/twolodzko/deflines.git#egg=deflines

or clone the repository and run

make install

Image source: https://en.wikipedia.org/wiki/Persian_Gulf#/media/File:Dolphins_Oman.JPG