upstream/mercurial-mirror Files · mercurial/httprangereader.py

[PATCH] Harden os.system...

[PATCH] Harden os.system -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 [PATCH] Harden os.system From: Bryan O'Sullivan <bos@serpentine.com> Add util.system function. This is similar to os.system, but will either succeed (if the process finishes with a zero exit code) or raise a util.CommandError (if the process exits uncleanly or is killed by a signal). Add util.explain_exit function. This tends to be ubiquitous in code that calls other processes, and must describe what has gone wrong. Change some uses of os.system over to util.system. manifest hash: -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) iD8DBQFCwSipywK+sNU5EO8RAr0RAJkBDt8XQ7mYQAWNHNgTOVt1eyWU1QCfe1oO 2OwxyWqpbRNACVJHHfZ3/Xw= =OaRX -----END PGP SIGNATURE-----

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      # httprangereader.py - just what it says

      #

      # Copyright 2005 Matt Mackall <mpm@selenic.com>

      #

      # This software may be used and distributed according to the terms

      # of the GNU General Public License, incorporated herein by reference.

      import byterange, urllib2

      class httprangereader:

          def __init__(self, url):

              self.url = url

              self.pos = 0

          def seek(self, pos):

              self.pos = pos

          def read(self, bytes=None):

              opener = urllib2.build_opener(byterange.HTTPRangeHandler())

              urllib2.install_opener(opener)

              req = urllib2.Request(self.url)

              end = ''

              if bytes: end = self.pos + bytes

              req.add_header('Range', 'bytes=%d-%s' % (self.pos, end))

              f = urllib2.urlopen(req)

              return f.read()

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				# httprangereader.py - just what it says
				#
				# Copyright 2005 Matt Mackall <mpm@selenic.com>
				#
				# This software may be used and distributed according to the terms
				# of the GNU General Public License, incorporated herein by reference.

				import byterange, urllib2

				class httprangereader:
				def __init__(self, url):
				self.url = url
				self.pos = 0
				def seek(self, pos):
				self.pos = pos
				def read(self, bytes=None):
				opener = urllib2.build_opener(byterange.HTTPRangeHandler())
				urllib2.install_opener(opener)
				req = urllib2.Request(self.url)
				end = ''
				if bytes: end = self.pos + bytes
				req.add_header('Range', 'bytes=%d-%s' % (self.pos, end))
				f = urllib2.urlopen(req)
				return f.read()