No fretting about pretty Python.
- Prefer single over double quotation mark
- Do not omit zero before or after decimal point
- Spaces around binary operator
- No space after unary operator
- Spaces around comparison operator
- No spaces around argument-assignment operator
- No space on inner side of bracket
- Slices: no spaces around slice operator
- Dictionaries: space after colon (but not before)
- Spaces around assignment operator
- Block initiation: no space before colon
- Space after comma (but not before)
- No double spaces
- Single space between non-whitespace character and comment
- No space before opening bracket (except after keyword)
- Indentation with four spaces instead of tabs
- No trailing whitespace
- No double blank lines (except before class or function)
- No blank line at end of file
- No blank line at beginning of file
- Newline character at end of last line
This script formats Python source code following the above style conventions.
frettipy [-f] FILE
If -f is present, FILE is modified in place! Keep a copy or use version
control. Otherwise the intended modifications are shown without changing FILE.
If FILE is a directory, all .py files in the directory tree are processed!
Either from PyPI:
python3 -m pip install frettipy
Or from GitHub:
python3 -m pip install git+https://github.com/janberges/frettipy