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1 # -*- coding: utf-8 -*-
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2 #
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3 # Copyright (C) 2005 Edgewall Software
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4 # Copyright (C) 2005 Christopher Lenz <cmlenz@gmx.de>
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5 # Copyright (C) 2005 Matthew Good <trac@matt-good.net>
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6 # All rights reserved.
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7 #
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8 # This software is licensed as described in the file COPYING, which
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9 # you should have received as part of this distribution. The terms
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10 # are also available at http://trac.edgewall.com/license.html.
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11 #
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12 # This software consists of voluntary contributions made by many
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13 # individuals. For the exact contribution history, see the revision
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14 # history and logs, available at http://projects.edgewall.com/trac/.
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15 #
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16 # Author: Christopher Lenz <cmlenz@gmx.de>
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17 # Matthew Good <trac@matt-good.net>
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18
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19 import os
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20 import sys
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21
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22 from trac.web.main import dispatch_request
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23 from trac.web.wsgi import WSGIGateway
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24
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25
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26 class CGIGateway(WSGIGateway):
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27
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28 wsgi_multithread = False
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29 wsgi_multiprocess = False
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30 wsgi_run_once = True
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31
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32 def __init__(self):
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33 WSGIGateway.__init__(self, dict(os.environ))
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34
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35 def _write(self, data):
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36 assert self.headers_set, 'Response not started'
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37
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38 if not self.headers_sent:
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39 status, headers = self.headers_sent = self.headers_set
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40 sys.stdout.write('Status: %s\r\n' % status)
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41 for header in headers:
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42 sys.stdout.write('%s: %s\r\n' % header)
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43 sys.stdout.write('\r\n')
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44 sys.stdout.flush()
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45
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46 sys.stdout.write(data)
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47 sys.stdout.flush()
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48
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49
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50 def run():
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51 try: # Make FreeBSD use blocking I/O like other platforms
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52 import fcntl
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53 for stream in [sys.stdin, sys.stdout]:
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54 fd = stream.fileno()
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55 flags = fcntl.fcntl(fd, fcntl.F_GETFL)
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56 fcntl.fcntl(fd, fcntl.F_SETFL, flags & ~os.O_NONBLOCK)
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57 except ImportError:
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58 pass
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59
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60 try: # Use binary I/O on Windows
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61 import msvcrt
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62 msvcrt.setmode(sys.stdin.fileno(), os.O_BINARY)
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63 msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
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64 except ImportError:
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65 pass
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66
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67 gateway = CGIGateway()
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68 gateway.run(dispatch_request)
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