Mercurial > hg
annotate mercurial/httprangereader.py @ 6461:eb69e7989145
tests: easier error diagnostics for test-serve
author | Dirkjan Ochtman <dirkjan@ochtman.nl> |
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date | Thu, 03 Apr 2008 12:46:37 +0200 |
parents | 345bac2bc4ec |
children |
rev | line source |
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372 | 1 # httprangereader.py - just what it says |
2 # | |
2859 | 3 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> |
372 | 4 # |
5 # This software may be used and distributed according to the terms | |
6 # of the GNU General Public License, incorporated herein by reference. | |
7 | |
8 import byterange, urllib2 | |
9 | |
1559
59b3639df0a9
Convert all classes to new-style classes by deriving them from object.
Eric Hopper <hopper@omnifarious.org>
parents:
372
diff
changeset
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10 class httprangereader(object): |
372 | 11 def __init__(self, url): |
12 self.url = url | |
13 self.pos = 0 | |
14 def seek(self, pos): | |
15 self.pos = pos | |
16 def read(self, bytes=None): | |
17 opener = urllib2.build_opener(byterange.HTTPRangeHandler()) | |
18 urllib2.install_opener(opener) | |
19 req = urllib2.Request(self.url) | |
20 end = '' | |
2138
f5046cab9e2e
Fix revlog-ng interaction with old-http.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
1559
diff
changeset
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21 if bytes: |
f5046cab9e2e
Fix revlog-ng interaction with old-http.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
1559
diff
changeset
|
22 end = self.pos + bytes - 1 |
372 | 23 req.add_header('Range', 'bytes=%d-%s' % (self.pos, end)) |
24 f = urllib2.urlopen(req) | |
2161
12e11413ca19
Fix just introduced possible old-http bug
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
2138
diff
changeset
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25 data = f.read() |
12e11413ca19
Fix just introduced possible old-http bug
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
2138
diff
changeset
|
26 if bytes: |
12e11413ca19
Fix just introduced possible old-http bug
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
2138
diff
changeset
|
27 data = data[:bytes] |
12e11413ca19
Fix just introduced possible old-http bug
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
2138
diff
changeset
|
28 return data |