哈希工具主方法

#!/usr/bin/env python
# encoding: utf-8
"""
tool.py

create at 12-9-5 by Administrator
"""
import os
import hashlib
import json

def main(assets_dir, target_dir):
    """
    哈希工具主方法
    """
    resource_config = {}
    for root, dirs, files in os.walk(assets_dir):
        if root.find('.svn') == -1:
            for file in files:
                name, ext = os.path.splitext(file)
                file_name = '%s/%s' % (root, file)·
                fr = open(file_name, 'rb')
                context = fr.read()
                hash_name = hashlib.md5(context + file_name).hexdigest()
                if not os.path.exists(target_dir):
                    os.makedirs(target_dir)
                fw = open('%s/%s%s' % (target_dir, hash_name, ext), 'wb')
                fw.write(context)
                resource_config[file_name] = '%s/%s%s' % (target_dir, hash_name, ext)
                fr.close()
                fw.close()

    f = open('resource_config.json', 'w')
    f.write(json.dumps(resource_config))
    f.close()

if __name__ == '__main__':
    main('assets', 'target_folder')