Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/statichttprepo.py @ 2568:52ce0d6bc375

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HTTPS: fix python2.3, persistent connections, don't explode if SSL is not available The urllib2 differences between python 2.3 and 2.4 are hidden by using keepalive.py, which also gives us support for persistent connections. Support for HTTPS is enabled only if there's a HTTPSHandler class in urllib2. It's not possible to have separate classes as handlers for HTTP and HTTPS: to support persistent HTTPS connections, we need a class that inherits from both keepalive.HTTPHandler and urllib2.HTTPSHandler. If we try to pass (an instance of) this class and (an instance of) the httphandler class to urllib2.build_opener, this function ends up getting confused, since both classes are subclasses of the HTTPHandler default handler, and raises an exception.
author Alexis S. L. Carvalho <alexis@cecm.usp.br>
date Thu, 06 Jul 2006 03:14:55 -0300
parents 74d3f5336b66
children 109a22f5434a
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1 # statichttprepo.py - simple http repository class for mercurial
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2 #
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3 # This provides read-only repo access to repositories exported via static http
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4 #
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5 # Copyright 2005 Matt Mackall <mpm@selenic.com>
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6 #
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7 # This software may be used and distributed according to the terms
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8 # of the GNU General Public License, incorporated herein by reference.
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9
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10 from demandload import demandload
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11 demandload(globals(), "changelog filelog httprangereader")
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12 demandload(globals(), "localrepo manifest os urllib urllib2")
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13
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14 class rangereader(httprangereader.httprangereader):
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15 def read(self, size=None):
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16 try:
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17 return httprangereader.httprangereader.read(self, size)
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18 except urllib2.HTTPError, inst:
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19 raise IOError(None, inst)
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20 except urllib2.URLError, inst:
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21 raise IOError(None, inst.reason[1])
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22
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23 def opener(base):
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24 """return a function that opens files over http"""
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25 p = base
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26 def o(path, mode="r"):
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27 f = os.path.join(p, urllib.quote(path))
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28 return rangereader(f)
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29 return o
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30
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31 class statichttprepository(localrepo.localrepository):
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32 def __init__(self, ui, path):
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33 self.path = (path + "/.hg")
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34 self.ui = ui
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35 self.revlogversion = 0
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36 self.opener = opener(self.path)
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37 self.manifest = manifest.manifest(self.opener)
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38 self.changelog = changelog.changelog(self.opener)
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39 self.tagscache = None
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40 self.nodetagscache = None
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41 self.encodepats = None
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42 self.decodepats = None
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44 def dev(self):
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45 return -1
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46
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47 def local(self):
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48 return False