Mercurial > hg
annotate mercurial/hgweb/wsgicgi.py @ 7622:4dd7b28003d2
use dict.iteritems() rather than dict.items()
This should be faster and more future-proof. Calls where the result is to be
sorted using util.sort() have been left unchanged. Calls to .items() on
configparser objects have been left as-is, too.
author | Dirkjan Ochtman <dirkjan@ochtman.nl> |
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date | Mon, 12 Jan 2009 09:16:03 +0100 |
parents | ee8af8a4d905 |
children | 46293a0c7e9f |
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 |
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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.iteritems()) |
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19 environ.setdefault('PATH_INFO', '') |
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20 if '.cgi' in environ['PATH_INFO']: |
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21 environ['PATH_INFO'] = environ['PATH_INFO'].split('.cgi', 1)[1] |
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22 |
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23 environ['wsgi.input'] = sys.stdin |
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24 environ['wsgi.errors'] = sys.stderr |
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25 environ['wsgi.version'] = (1, 0) |
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26 environ['wsgi.multithread'] = False |
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27 environ['wsgi.multiprocess'] = True |
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28 environ['wsgi.run_once'] = True |
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29 |
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30 if environ.get('HTTPS','off').lower() in ('on','1','yes'): |
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31 environ['wsgi.url_scheme'] = 'https' |
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32 else: |
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33 environ['wsgi.url_scheme'] = 'http' |
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34 |
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35 headers_set = [] |
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36 headers_sent = [] |
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37 out = sys.stdout |
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38 |
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39 def write(data): |
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40 if not headers_set: |
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41 raise AssertionError("write() before start_response()") |
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42 |
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43 elif not headers_sent: |
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44 # Before the first output, send the stored headers |
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45 status, response_headers = headers_sent[:] = headers_set |
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46 out.write('Status: %s\r\n' % status) |
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47 for header in response_headers: |
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48 out.write('%s: %s\r\n' % header) |
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49 out.write('\r\n') |
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50 |
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51 out.write(data) |
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52 out.flush() |
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53 |
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54 def start_response(status, response_headers, exc_info=None): |
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55 if exc_info: |
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56 try: |
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57 if headers_sent: |
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58 # Re-raise original exception if headers sent |
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59 raise exc_info[0](exc_info[1], exc_info[2]) |
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60 finally: |
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61 exc_info = None # avoid dangling circular ref |
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62 elif headers_set: |
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63 raise AssertionError("Headers already set!") |
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64 |
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65 headers_set[:] = [status, response_headers] |
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66 return write |
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67 |
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68 content = application(environ, start_response) |
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69 for chunk in content: |
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70 write(chunk) |