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- # -*- coding: UTF-8 -*-
- import hashlib
- import base64
- def ensure_unicode(s):
- if type(s) == str:
- return s
- elif type(s) == bytes:
- return s.decode('utf-8')
- raise TypeError(f"type of string is {type(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).decode('ascii')
- 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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