Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/httprangereader.py @ 613:5374955ec5b1

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Demand-load most modules in the commands and ui modules. # HG changeset patch # User Bryan O'Sullivan <bos@serpentine.com> # Node ID 059c6e42fc4221816e26a72bef8cf780891989ca # Parent d2994b5298fb20f87dc1d4747635b280db3c0526 Demand-load most modules in the commands and ui modules. This improves response times for a number of simple commands, as the Python interpreter doesn't end up loading modules that it never uses. There's less benefit to demand-loading in other modules.
author Bryan O'Sullivan <bos@serpentine.com>
date Mon, 04 Jul 2005 12:16:27 -0800
parents 4b0f562c61f4
children 59b3639df0a9
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1 # httprangereader.py - just what it says
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2 #
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3 # Copyright 2005 Matt Mackall <mpm@selenic.com>
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4 #
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5 # This software may be used and distributed according to the terms
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6 # of the GNU General Public License, incorporated herein by reference.
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7
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8 import byterange, urllib2
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9
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10 class httprangereader:
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11 def __init__(self, url):
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12 self.url = url
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13 self.pos = 0
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14 def seek(self, pos):
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15 self.pos = pos
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16 def read(self, bytes=None):
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17 opener = urllib2.build_opener(byterange.HTTPRangeHandler())
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18 urllib2.install_opener(opener)
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19 req = urllib2.Request(self.url)
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20 end = ''
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21 if bytes: end = self.pos + bytes
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22 req.add_header('Range', 'bytes=%d-%s' % (self.pos, end))
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23 f = urllib2.urlopen(req)
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24 return f.read()