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In open_ftp(), check that retrlen is not None before using it in a %d format!

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Guido van Rossum 1999-02-16 15:10:12 +00:00
parent b8c3cbdd50
commit ed52a20c6e
1 changed files with 1 additions and 1 deletions
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2
Lib/urllib.py
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@ -387,7 +387,7 @@ class URLopener:
value in ('a', 'A', 'i', 'I', 'd', 'D'):
type = string.upper(value)
(fp, retrlen) = self.ftpcache[key].retrfile(file, type)
if retrlen >= 0:
if retrlen is not None and retrlen >= 0:
import mimetools, StringIO
headers = mimetools.Message(StringIO.StringIO(
'Content-Length: %d\n' % retrlen))