Find JAR files containing a specific class/package

find_class.py

#!/usr/bin/env python
import os
import glob
import shutil


def main():
    class_name = raw_input('Which class do you want to import? ')
    dir_path = raw_input('Enter the path for directory containing JAR files: [.] ') or os.getcwd()
   
    found_jars = [] 
    for f in glob.glob(os.path.join(dir_path, '*.jar')):
        files_list = os.popen('unzip -l {}'.format(f)).read().split('\n')

        matches = 0
        n = len(files_list)
        for i, l in enumerate(files_list):
            if i in [0, 1, n - 1, n - 2]:
                continue
            a = l.strip().replace('  ', ' ').replace('  ', ' ').split(' ', 3)
            fn = a[3]
            if not fn.endswith('.class'):
                continue
            fqn = fn.replace('/', '.')[:-6]
            if class_name in fqn:
                matches += 1
        if matches > 0:
            print("{} {} ({})".format(len(found_jars) + 1, f, matches))
            found_jars.append(f)

    if len(found_jars):
        if (raw_input('Copy JAR file? [Y/n] ').lower() or 'y') == 'y':
            sel = 0
            if len(found_jars) > 1:
                sel = int(raw_input('Select the file to copy: [1-{}] '.format(len(found_jars)))) - 1
            dst = ''
            while not os.path.isdir(dst):
                dst = raw_input('Copy destination? ')
            shutil.copy2(found_jars[sel], dst)

if __name__ == '__main__':
    try:
        main()
    except KeyboardInterrupt:
        print('terminated.')