Mercurial > hg
annotate mercurial/hgweb/wsgicgi.py @ 46858:85e3a630cad9
revlog: move the details of revlog "v2" index inside revlog.utils.constants
the revlog module is quite large and this kind of format information would handy
for other module. So let us start to gather this information about the format in
a more appropriate place.
We update various reference to this information to use the new "source of truth"
in the process.
Differential Revision: https://phab.mercurial-scm.org/D10305
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Mon, 05 Apr 2021 12:21:12 +0200 |
parents | 56483ab91e66 |
children | 6000f5b25c9b |
rev | line source |
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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 of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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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 from __future__ import absolute_import |
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12 |
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13 import os |
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14 |
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15 from ..pycompat import getattr |
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16 from .. import pycompat |
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17 |
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18 from ..utils import procutil |
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19 |
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20 from . import common |
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21 |
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22 |
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23 def launch(application): |
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24 procutil.setbinary(procutil.stdin) |
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25 procutil.setbinary(procutil.stdout) |
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26 |
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27 environ = dict(pycompat.iteritems(os.environ)) # re-exports |
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28 environ.setdefault('PATH_INFO', '') |
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29 if environ.get('SERVER_SOFTWARE', '').startswith('Microsoft-IIS'): |
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30 # IIS includes script_name in PATH_INFO |
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31 scriptname = environ['SCRIPT_NAME'] |
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32 if environ['PATH_INFO'].startswith(scriptname): |
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33 environ['PATH_INFO'] = environ['PATH_INFO'][len(scriptname) :] |
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34 |
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35 stdin = procutil.stdin |
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36 if environ.get('HTTP_EXPECT', '').lower() == '100-continue': |
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37 stdin = common.continuereader(stdin, procutil.stdout.write) |
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38 |
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39 environ['wsgi.input'] = stdin |
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40 environ['wsgi.errors'] = procutil.stderr |
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41 environ['wsgi.version'] = (1, 0) |
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42 environ['wsgi.multithread'] = False |
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43 environ['wsgi.multiprocess'] = True |
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44 environ['wsgi.run_once'] = True |
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45 |
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46 if environ.get('HTTPS', 'off').lower() in ('on', '1', 'yes'): |
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47 environ['wsgi.url_scheme'] = 'https' |
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48 else: |
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49 environ['wsgi.url_scheme'] = 'http' |
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50 |
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51 headers_set = [] |
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52 headers_sent = [] |
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53 out = procutil.stdout |
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54 |
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55 def write(data): |
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56 if not headers_set: |
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57 raise AssertionError(b"write() before start_response()") |
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58 |
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59 elif not headers_sent: |
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60 # Before the first output, send the stored headers |
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61 status, response_headers = headers_sent[:] = headers_set |
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62 out.write(b'Status: %s\r\n' % pycompat.bytesurl(status)) |
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63 for hk, hv in response_headers: |
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64 out.write( |
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65 b'%s: %s\r\n' |
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66 % (pycompat.bytesurl(hk), pycompat.bytesurl(hv)) |
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67 ) |
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68 out.write(b'\r\n') |
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69 |
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70 out.write(data) |
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71 out.flush() |
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72 |
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73 def start_response(status, response_headers, exc_info=None): |
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74 if exc_info: |
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75 try: |
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76 if headers_sent: |
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77 # Re-raise original exception if headers sent |
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78 raise exc_info[0](exc_info[1], exc_info[2]) |
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79 finally: |
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80 del exc_info # avoid dangling circular ref |
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81 elif headers_set: |
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82 raise AssertionError(b"Headers already set!") |
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83 |
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84 headers_set[:] = [status, response_headers] |
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85 return write |
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86 |
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87 content = application(environ, start_response) |
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88 try: |
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89 for chunk in content: |
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90 write(chunk) |
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91 if not headers_sent: |
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92 write(b'') # send headers now if body was empty |
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93 finally: |
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94 getattr(content, 'close', lambda: None)() |