[issue12455] urllib2 Request() forces capitalize() on header names, breaking some requests

[Cal Leeming]

Cal Leeming <cal.leeming at simplicitymedialtd.co.uk> added the comment:

Sorry, I should clarify.. The str() patch worked, but it failed to work within the realm of urllib2:


s = _str("Content-MD5")
print "Builtin:"
print "plain:       %s" % ( s )
print "capitalized: %s" % ( s.capitalize() )

s = str("Content-MD5")
print "Builtin:"
print "plain:       %s" % ( s )
print "capitalized: %s" % ( s.capitalize() )

Builtin:
plain:       Content-MD5
capitalized: Content-MD5
Builtin:
plain:       Content-MD5
capitalized: Content-md5

Why it works in the unit test, and not within urllib2, is totally beyond me. Especially since I put a debug call on the method, and it does get called.. yet urllib2 debug still shows it sending the wrong value.

---
capitalize() bypassed: sending value: Content-MD5
send: 'POST /api/url\r\nContent-Md5: nts0yj7AdzJALyNOxafDyA==\r\n\r\n'
---

I have a feeling that the problem may lie somewhere after the opener (like HTTPConnection or AbstractHTTPHandler), rather than the urllib2 calls to capitalize(), but not having much luck monkey patching those :X

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue12455>
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