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							- #!/usr/bin/env python
 
- from __future__ import absolute_import
 
- from __future__ import with_statement
 
- import fileinput
 
- from pprint import pprint
 
- def author(line):
 
-     try:
 
-         A, E = line.strip().rsplit(None, 1)
 
-         E.replace(">", "").replace("<", "")
 
-     except ValueError:
 
-         A, E = line.strip(), None
 
-     return A.lower() if A else A, E.lower() if E else E
 
- def proper_name(name):
 
-     return name and " " in name
 
- def find_missing_authors(seen):
 
-     with open("AUTHORS") as authors:
 
-         known = map(author, authors.readlines())
 
-     seen_authors = set(filter(proper_name, (t[0] for t in seen)))
 
-     seen_emails = set(t[1] for t in seen)
 
-     known_authors = set(t[0] for t in known)
 
-     known_emails = set(t[1] for t in known)
 
-     pprint(seen_authors - known_authors)
 
- if __name__ == "__main__":
 
-     find_missing_authors(map(author, fileinput.input()))
 
 
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