Mercurial > hg
annotate mercurial/hgweb/wsgicgi.py @ 40592:83e571ea06a9
commandserver: attach prompt default and choices to message
These attributes are important to provide a GUI prompt to user.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Sun, 04 Nov 2018 12:17:20 +0900 |
parents | 2d5b5bcc3b9f |
children | 2372284d9457 |
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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 .. import ( |
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16 pycompat, |
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17 ) |
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18 |
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19 from ..utils import ( |
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20 procutil, |
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21 ) |
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22 |
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23 from . import ( |
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24 common, |
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25 ) |
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26 |
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27 def launch(application): |
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28 procutil.setbinary(procutil.stdin) |
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29 procutil.setbinary(procutil.stdout) |
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30 |
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31 environ = dict(os.environ.iteritems()) # re-exports |
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32 environ.setdefault(r'PATH_INFO', '') |
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33 if environ.get(r'SERVER_SOFTWARE', r'').startswith(r'Microsoft-IIS'): |
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34 # IIS includes script_name in PATH_INFO |
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35 scriptname = environ[r'SCRIPT_NAME'] |
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36 if environ[r'PATH_INFO'].startswith(scriptname): |
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37 environ[r'PATH_INFO'] = environ[r'PATH_INFO'][len(scriptname):] |
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38 |
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39 stdin = procutil.stdin |
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40 if environ.get(r'HTTP_EXPECT', r'').lower() == r'100-continue': |
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41 stdin = common.continuereader(stdin, procutil.stdout.write) |
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42 |
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43 environ[r'wsgi.input'] = stdin |
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44 environ[r'wsgi.errors'] = procutil.stderr |
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45 environ[r'wsgi.version'] = (1, 0) |
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46 environ[r'wsgi.multithread'] = False |
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47 environ[r'wsgi.multiprocess'] = True |
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48 environ[r'wsgi.run_once'] = True |
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49 |
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50 if environ.get(r'HTTPS', r'off').lower() in (r'on', r'1', r'yes'): |
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51 environ[r'wsgi.url_scheme'] = r'https' |
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52 else: |
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53 environ[r'wsgi.url_scheme'] = r'http' |
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54 |
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55 headers_set = [] |
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56 headers_sent = [] |
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57 out = procutil.stdout |
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58 |
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59 def write(data): |
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60 if not headers_set: |
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61 raise AssertionError("write() before start_response()") |
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62 |
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63 elif not headers_sent: |
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64 # Before the first output, send the stored headers |
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65 status, response_headers = headers_sent[:] = headers_set |
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66 out.write('Status: %s\r\n' % pycompat.bytesurl(status)) |
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67 for hk, hv in response_headers: |
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68 out.write('%s: %s\r\n' % (pycompat.bytesurl(hk), |
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69 pycompat.bytesurl(hv))) |
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70 out.write('\r\n') |
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71 |
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72 out.write(data) |
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73 out.flush() |
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74 |
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75 def start_response(status, response_headers, exc_info=None): |
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76 if exc_info: |
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77 try: |
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78 if headers_sent: |
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79 # Re-raise original exception if headers sent |
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80 raise exc_info[0](exc_info[1], exc_info[2]) |
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81 finally: |
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82 exc_info = None # avoid dangling circular ref |
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83 elif headers_set: |
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84 raise AssertionError("Headers already set!") |
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85 |
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86 headers_set[:] = [status, response_headers] |
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87 return write |
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88 |
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89 content = application(environ, start_response) |
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90 try: |
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91 for chunk in content: |
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92 write(chunk) |
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93 if not headers_sent: |
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94 write('') # send headers now if body was empty |
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95 finally: |
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96 getattr(content, 'close', lambda: None)() |