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comparison mercurial/util.py @ 5481:003d1f174fe1

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Fix Windows os.popen bug with interleaved stdout/stderr output See python bug 1366 "popen spawned process may not write to stdout under windows" for more details.
author Patrick Mezard <pmezard@gmail.com>
date Thu, 01 Nov 2007 12:05:14 +0100
parents f2ca8d2c988f
children 7a64931e2d76
comparison
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5480:81bef3c355c5 5481:003d1f174fe1
1009 """Build a command string suitable for os.popen* calls.""" 1009 """Build a command string suitable for os.popen* calls."""
1010 # The extra quotes are needed because popen* runs the command 1010 # The extra quotes are needed because popen* runs the command
1011 # through the current COMSPEC. cmd.exe suppress enclosing quotes. 1011 # through the current COMSPEC. cmd.exe suppress enclosing quotes.
1012 return '"' + cmd + '"' 1012 return '"' + cmd + '"'
1013 1013
1014 def popen(command):
1015 # Work around "popen spawned process may not write to stdout
1016 # under windows"
1017 # http://bugs.python.org/issue1366
1018 command += " 2> %s" % nulldev
1019 return os.popen(quotecommand(command))
1020
1014 def explain_exit(code): 1021 def explain_exit(code):
1015 return _("exited with status %d") % code, code 1022 return _("exited with status %d") % code, code
1016 1023
1017 # if you change this stub into a real check, please try to implement the 1024 # if you change this stub into a real check, please try to implement the
1018 # username and groupname functions above, too. 1025 # username and groupname functions above, too.
1165 else: 1172 else:
1166 return "'%s'" % s.replace("'", "'\\''") 1173 return "'%s'" % s.replace("'", "'\\''")
1167 1174
1168 def quotecommand(cmd): 1175 def quotecommand(cmd):
1169 return cmd 1176 return cmd
1177
1178 def popen(command):
1179 return os.popen(command)
1170 1180
1171 def testpid(pid): 1181 def testpid(pid):
1172 '''return False if pid dead, True if running or not sure''' 1182 '''return False if pid dead, True if running or not sure'''
1173 if os.sys.platform == 'OpenVMS': 1183 if os.sys.platform == 'OpenVMS':
1174 return True 1184 return True