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- #!/usr/bin/env python2
- # -*- coding: UTF-8 -*-
- # File: utils.py
- # Date: Wed Jun 17 23:59:25 2015 +0800
- # Author: Yuxin Wu <[email protected]>
- import hashlib
- import base64
- def ensure_bin_str(s):
- if type(s) == str:
- return s
- if type(s) == unicode:
- return s.encode('utf-8')
- def ensure_unicode(s):
- if type(s) == str:
- return s.decode('utf-8')
- if type(s) == unicode:
- return s
- def md5(s):
- m = hashlib.md5()
- m.update(s)
- return m.hexdigest()
- def get_file_b64(fname):
- data = open(fname, 'rb').read()
- return base64.b64encode(data)
- def safe_filename(fname):
- filename = ensure_unicode(fname)
- return "".join(
- [c for c in filename if c.isalpha() or c.isdigit() or c==' ']).rstrip()
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