Removes unused imports and unused variables.
Project description
Introduction
autoflake removes unused imports and unused variables from Python code. It makes use of pyflakes to do this.
By default, autoflake only removes unused imports for modules that are part of the standard library. (Other modules may have side effects that make them unsafe to remove automatically.) Removal of unused variables is also disabled by default.
autoflake also removes useless pass statements.
Example
Running autoflake on the below example:
$ autoflake --in-place example.py
import math
import re
import os
import random
import multiprocessing
import grp, pwd, platform
import subprocess, sys
def foo():
if True:
from abc import ABCMeta, WeakSet
else:
print(sys.version)
return math.piresults in
import math
import sys
def foo():
if True:
pass
else:
print(sys.version)
return math.piInstallation
$ pip install --upgrade autoflake
Advanced usage
To prevent autoflake from removing certain lines, add noqa as an inline comment.
import math # noqaTo allow autoflake to remove additional unused imports (other than than those from the standard library), use the --imports option. It accepts a comma-separated list of names:
$ autoflake --imports=django,requests,urllib3 <filename>
To remove all unused imports (whether or not they are from the standard library), use the --remove-all-unused-imports option.
To remove unused variables, use the --remove-unused-variables option.
Below is the full listing of options:
usage: autoflake [-h] [-i] [-r] [--imports IMPORTS]
[--remove-all-unused-imports] [--remove-unused-variables]
[--version]
files [files ...]
Removes unused imports as reported by pyflakes.
positional arguments:
files files to format
optional arguments:
-h, --help show this help message and exit
-i, --in-place make changes to files instead of printing diffs
-r, --recursive drill down directories recursively
--imports IMPORTS by default, only unused standard library imports are
removed; specify a comma-separated list of additional
modules/packages
--remove-all-unused-imports
remove all unused imports (not just those from the
standard library
--remove-unused-variables
remove unused variables
--version show program's version number and exit
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