author | Matt Mackall <mpm@selenic.com> |
Sun, 17 Sep 2006 19:54:01 -0500 | |
changeset 3115 | c4e26f1ccfcc |
parent 2858 | 345bac2bc4ec |
permissions | -rw-r--r-- |
372 | 1 |
# httprangereader.py - just what it says |
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# |
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# Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> |
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# |
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# This software may be used and distributed according to the terms |
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# of the GNU General Public License, incorporated herein by reference. |
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import byterange, urllib2 |
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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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class httprangereader(object): |
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def __init__(self, url): |
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self.url = url |
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self.pos = 0 |
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def seek(self, pos): |
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self.pos = pos |
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def read(self, bytes=None): |
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opener = urllib2.build_opener(byterange.HTTPRangeHandler()) |
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urllib2.install_opener(opener) |
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req = urllib2.Request(self.url) |
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end = '' |
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2138
f5046cab9e2e
Fix revlog-ng interaction with old-http.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
1559
diff
changeset
|
21 |
if bytes: |
f5046cab9e2e
Fix revlog-ng interaction with old-http.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
1559
diff
changeset
|
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end = self.pos + bytes - 1 |
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req.add_header('Range', 'bytes=%d-%s' % (self.pos, end)) |
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f = urllib2.urlopen(req) |
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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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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
|
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return data |