an0...@gmail.com wrote:
Below are two semantically same snippets for querying the same partial
HTTP response, for Python2.5 and Python 3.0 respectively.
However, the 3.0 version returns a not-so-right result(msg) which is a
bytes of length 239775, while the 2.5 version returns a good msg which
is a 239733 byte-long string that is the content of a proper zip file.
I really can't figure out what's wrong, thought I've sought out some
"\r\n" segments in msg 3.0 that is absent in msg 2.5.
So are there anyone could give me some hints? Thanks in advance.
Code:
# Python 2.5
import urllib2
auth_handler = urllib2.HTTPBasicAuthHandler()
auth_handler.add_password(realm="pluses and minuses",
uri='http://www.pythonchallenge.com/pc/hex/
unreal.jpg',
user='butter',
passwd='fly')
opener = urllib2.build_opener(auth_handler)
req = urllib2.Request('http://www.pythonchallenge.com/pc/hex/
unreal.jpg')
req.add_header('Range', 'bytes=1152983631-')
res = opener.open(req)
msg = res.read()
# Python 3.0
import urllib.request
auth_handler = urllib.request.HTTPBasicAuthHandler()
auth_handler.add_password(realm="pluses and minuses",
uri='http://www.pythonchallenge.com/pc/hex/
unreal.jpg',
user='butter',
passwd='fly')
opener = urllib.request.build_opener(auth_handler)
req = urllib.request.Request('http://www.pythonchallenge.com/pc/hex/
unreal.jpg')
req.add_header('Range', 'bytes=1152983631-')
res = opener.open(req)
msg = res.read()
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From what I can tell, Python 2.5 returns the request automatically
decoded as text. Python 3.0 returns a bytes object and doesn't decode
it at all. I did a test with urlopen:
In 2.5 for http://google.com just get the regular HTML
In 3.0 I get some extras at the start and end:
191d\r\n at the start
\r\n0\r\n\r\n at the end
In 2.5, newlines are automatically decoded
In 3.0, the \r\n pairs are kept
I hope their is an easy way to decode it as it was in 2.x
Brian Vanderburg II
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