clean-rust-targetdirs.py

#!/usr/bin/env python3

import os
import shutil
import subprocess

dir = '<your projects root>'

print('Cleaning rust projects in ' + dir + ' and all its subfolders.')

for dirpath, dirnames, filenames in os.walk(dir):
    for directory in dirnames:
        if directory.startswith('.'):
            continue

        # assume it's a rust project if directory has a target/ folder
        if directory == 'target':
            print('Running `cargo clean` in: ' + dirpath)
            command = ['cargo', 'clean']
            with subprocess.Popen(command, cwd=dirpath, stdout=subprocess.PIPE, bufsize=1, universal_newlines=True) as p:
                for line in p.stdout:
                    print(line, end='')


print('Task completed!')