Mercurial > hg
annotate mercurial/hgweb/wsgicgi.py @ 43076:2372284d9457
formatting: blacken the codebase
This is using my patch to black
(https://github.com/psf/black/pull/826) so we don't un-wrap collection
literals.
Done with:
hg files 'set:**.py - mercurial/thirdparty/** - "contrib/python-zstandard/**"' | xargs black -S
# skip-blame mass-reformatting only
# no-check-commit reformats foo_bar functions
Differential Revision: https://phab.mercurial-scm.org/D6971
author | Augie Fackler <augie@google.com> |
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date | Sun, 06 Oct 2019 09:45:02 -0400 |
parents | 2d5b5bcc3b9f |
children | 687b865b95ad |
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 |
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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 pycompat |
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16 |
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17 from ..utils import procutil |
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18 |
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19 from . import common |
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20 |
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21 |
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22 def launch(application): |
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23 procutil.setbinary(procutil.stdin) |
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24 procutil.setbinary(procutil.stdout) |
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25 |
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26 environ = dict(os.environ.iteritems()) # re-exports |
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27 environ.setdefault(r'PATH_INFO', '') |
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28 if environ.get(r'SERVER_SOFTWARE', r'').startswith(r'Microsoft-IIS'): |
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29 # IIS includes script_name in PATH_INFO |
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30 scriptname = environ[r'SCRIPT_NAME'] |
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31 if environ[r'PATH_INFO'].startswith(scriptname): |
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32 environ[r'PATH_INFO'] = environ[r'PATH_INFO'][len(scriptname) :] |
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33 |
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34 stdin = procutil.stdin |
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35 if environ.get(r'HTTP_EXPECT', r'').lower() == r'100-continue': |
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36 stdin = common.continuereader(stdin, procutil.stdout.write) |
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37 |
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38 environ[r'wsgi.input'] = stdin |
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39 environ[r'wsgi.errors'] = procutil.stderr |
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40 environ[r'wsgi.version'] = (1, 0) |
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41 environ[r'wsgi.multithread'] = False |
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42 environ[r'wsgi.multiprocess'] = True |
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43 environ[r'wsgi.run_once'] = True |
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44 |
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45 if environ.get(r'HTTPS', r'off').lower() in (r'on', r'1', r'yes'): |
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46 environ[r'wsgi.url_scheme'] = r'https' |
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47 else: |
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48 environ[r'wsgi.url_scheme'] = r'http' |
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49 |
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50 headers_set = [] |
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51 headers_sent = [] |
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52 out = procutil.stdout |
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53 |
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54 def write(data): |
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55 if not headers_set: |
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56 raise AssertionError("write() before start_response()") |
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57 |
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58 elif not headers_sent: |
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59 # Before the first output, send the stored headers |
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60 status, response_headers = headers_sent[:] = headers_set |
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61 out.write('Status: %s\r\n' % pycompat.bytesurl(status)) |
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62 for hk, hv in response_headers: |
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63 out.write( |
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64 '%s: %s\r\n' |
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65 % (pycompat.bytesurl(hk), pycompat.bytesurl(hv)) |
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66 ) |
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67 out.write('\r\n') |
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68 |
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69 out.write(data) |
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70 out.flush() |
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71 |
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72 def start_response(status, response_headers, exc_info=None): |
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73 if exc_info: |
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74 try: |
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75 if headers_sent: |
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76 # Re-raise original exception if headers sent |
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77 raise exc_info[0](exc_info[1], exc_info[2]) |
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78 finally: |
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79 exc_info = None # avoid dangling circular ref |
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80 elif headers_set: |
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81 raise AssertionError("Headers already set!") |
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82 |
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83 headers_set[:] = [status, response_headers] |
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84 return write |
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85 |
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86 content = application(environ, start_response) |
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87 try: |
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88 for chunk in content: |
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89 write(chunk) |
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90 if not headers_sent: |
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91 write('') # send headers now if body was empty |
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92 finally: |
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93 getattr(content, 'close', lambda: None)() |