Mercurial > hg
annotate mercurial/hgweb/wsgicgi.py @ 7012:78341ea65d16
restructure helptable
When looking up a help topic, the key is now only matched against the
short names for each topic, and not the header. So
hg help 'Environment Variables'
must be replaced with
hg help env
author | Martin Geisler <mg@daimi.au.dk> |
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date | Tue, 09 Sep 2008 21:32:39 +0200 |
parents | 8fee8ff13d37 |
children | ee8af8a4d905 |
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1 # hgweb/wsgicgi.py - CGI->WSGI translator |
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2 # |
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3 # Copyright 2006 Eric Hopper <hopper@omnifarious.org> |
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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 # This was originally copied from the public domain code at |
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9 # http://www.python.org/dev/peps/pep-0333/#the-server-gateway-side |
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10 |
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11 import os, sys |
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12 from mercurial import util |
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13 |
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14 def launch(application): |
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15 util.set_binary(sys.stdin) |
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16 util.set_binary(sys.stdout) |
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17 |
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18 environ = dict(os.environ.items()) |
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19 environ.setdefault('PATH_INFO', '') |
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20 environ['wsgi.input'] = sys.stdin |
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21 environ['wsgi.errors'] = sys.stderr |
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22 environ['wsgi.version'] = (1, 0) |
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23 environ['wsgi.multithread'] = False |
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24 environ['wsgi.multiprocess'] = True |
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25 environ['wsgi.run_once'] = True |
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26 |
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27 if environ.get('HTTPS','off').lower() in ('on','1','yes'): |
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28 environ['wsgi.url_scheme'] = 'https' |
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29 else: |
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30 environ['wsgi.url_scheme'] = 'http' |
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31 |
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32 headers_set = [] |
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33 headers_sent = [] |
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34 out = sys.stdout |
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35 |
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36 def write(data): |
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37 if not headers_set: |
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38 raise AssertionError("write() before start_response()") |
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39 |
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40 elif not headers_sent: |
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41 # Before the first output, send the stored headers |
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42 status, response_headers = headers_sent[:] = headers_set |
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43 out.write('Status: %s\r\n' % status) |
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44 for header in response_headers: |
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45 out.write('%s: %s\r\n' % header) |
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46 out.write('\r\n') |
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47 |
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48 out.write(data) |
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49 out.flush() |
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50 |
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51 def start_response(status, response_headers, exc_info=None): |
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52 if exc_info: |
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53 try: |
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54 if headers_sent: |
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55 # Re-raise original exception if headers sent |
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56 raise exc_info[0](exc_info[1], exc_info[2]) |
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57 finally: |
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58 exc_info = None # avoid dangling circular ref |
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59 elif headers_set: |
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60 raise AssertionError("Headers already set!") |
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61 |
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62 headers_set[:] = [status, response_headers] |
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63 return write |
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64 |
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65 content = application(environ, start_response) |
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66 for chunk in content: |
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67 write(chunk) |