Mercurial > hg
annotate mercurial/hgweb/request.py @ 6429:532ca442b903
symmetricdifference: move back to copies
It's too tightly dependent on known revlog ordering to fit well in ancestors
author | Matt Mackall <mpm@selenic.com> |
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date | Sat, 29 Mar 2008 12:39:47 -0500 |
parents | e75aab656f46 |
children | 0dbb56e90a71 |
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1 # hgweb/request.py - An http request from either CGI or the standalone server. |
131 | 2 # |
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3 # Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net> |
2859 | 4 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> |
131 | 5 # |
6 # This software may be used and distributed according to the terms | |
7 # of the GNU General Public License, incorporated herein by reference. | |
8 | |
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9 import socket, cgi, errno |
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10 from common import ErrorResponse, statusmessage |
138 | 11 |
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12 class wsgirequest(object): |
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13 def __init__(self, wsgienv, start_response): |
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14 version = wsgienv['wsgi.version'] |
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15 if (version < (1, 0)) or (version >= (2, 0)): |
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16 raise RuntimeError("Unknown and unsupported WSGI version %d.%d" |
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17 % version) |
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18 self.inp = wsgienv['wsgi.input'] |
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19 self.err = wsgienv['wsgi.errors'] |
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20 self.threaded = wsgienv['wsgi.multithread'] |
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21 self.multiprocess = wsgienv['wsgi.multiprocess'] |
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22 self.run_once = wsgienv['wsgi.run_once'] |
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23 self.env = wsgienv |
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24 self.form = cgi.parse(self.inp, self.env, keep_blank_values=1) |
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25 self._start_response = start_response |
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26 self.server_write = None |
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27 self.headers = [] |
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28 |
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29 def __iter__(self): |
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30 return iter([]) |
131 | 31 |
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32 def read(self, count=-1): |
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33 return self.inp.read(count) |
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34 |
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35 def respond(self, status, type=None, filename=None, length=0): |
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36 if self._start_response is not None: |
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37 |
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38 self.httphdr(type, filename, length) |
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39 if not self.headers: |
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40 raise RuntimeError("request.write called before headers sent") |
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41 |
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42 for k, v in self.headers: |
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43 if not isinstance(v, str): |
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44 raise TypeError('header value must be string: %r' % v) |
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45 |
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46 if isinstance(status, ErrorResponse): |
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47 status = statusmessage(status.code) |
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48 elif status == 200: |
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49 status = '200 Script output follows' |
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50 elif isinstance(status, int): |
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51 status = statusmessage(status) |
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52 |
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53 self.server_write = self._start_response(status, self.headers) |
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54 self._start_response = None |
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55 self.headers = [] |
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56 |
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57 def write(self, thing): |
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58 if hasattr(thing, "__iter__"): |
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59 for part in thing: |
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60 self.write(part) |
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61 else: |
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62 thing = str(thing) |
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63 try: |
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64 self.server_write(thing) |
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65 except socket.error, inst: |
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66 if inst[0] != errno.ECONNRESET: |
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67 raise |
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68 |
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69 def writelines(self, lines): |
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70 for line in lines: |
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71 self.write(line) |
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72 |
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73 def flush(self): |
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74 return None |
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75 |
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76 def close(self): |
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77 return None |
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78 |
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79 def header(self, headers=[('Content-Type','text/html')]): |
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80 self.headers.extend(headers) |
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81 |
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82 def httphdr(self, type=None, filename=None, length=0, headers={}): |
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83 headers = headers.items() |
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84 if type is not None: |
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85 headers.append(('Content-Type', type)) |
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86 if filename: |
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87 filename = (filename.split('/')[-1] |
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88 .replace('\\', '\\\\').replace('"', '\\"')) |
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89 headers.append(('Content-Disposition', |
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90 'inline; filename="%s"' % filename)) |
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91 if length: |
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92 headers.append(('Content-Length', str(length))) |
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93 self.header(headers) |
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94 |
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95 def wsgiapplication(app_maker): |
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96 '''For compatibility with old CGI scripts. A plain hgweb() or hgwebdir() |
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97 can and should now be used as a WSGI application.''' |
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98 application = app_maker() |
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99 def run_wsgi(env, respond): |
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100 return application(env, respond) |
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101 return run_wsgi |