29 def guess_scheme(environ):  argument
32     if environ.get("HTTPS") in ('yes','on','1'):
37 def application_uri(environ):  argument
39     url = environ['wsgi.url_scheme']+'://'
42     if environ.get('HTTP_HOST'):
43         url += environ['HTTP_HOST']
45         url += environ['SERVER_NAME']
47         if environ['wsgi.url_scheme'] == 'https':
48             if environ['SERVER_PORT'] != '443':
49                 url += ':' + environ['SERVER_PORT']
51             if environ['SERVER_PORT'] != '80':
52                 url += ':' + environ['SERVER_PORT']
54     url += quote(environ.get('SCRIPT_NAME') or '/', encoding='latin1')
57 def request_uri(environ, include_query=True):  argument
59     url = application_uri(environ)
61     path_info = quote(environ.get('PATH_INFO',''), safe='/;=,', encoding='latin1')
62     if not environ.get('SCRIPT_NAME'):
66     if include_query and environ.get('QUERY_STRING'):
67         url += '?' + environ['QUERY_STRING']
70 def shift_path_info(environ):  argument
74     Note: 'environ' is modified in-place; use a copy if you need to keep
83     path_info = environ.get('PATH_INFO','')
92     script_name = environ.get('SCRIPT_NAME','')
99     environ['SCRIPT_NAME'] = script_name
100     environ['PATH_INFO']   = '/'.join(path_parts)
106     # an empty string in the environ.
111 def setup_testing_defaults(environ):  argument
112     """Update 'environ' with trivial defaults for testing purposes
124     environ.setdefault('SERVER_NAME','127.0.0.1')
125     environ.setdefault('SERVER_PROTOCOL','HTTP/1.0')
127     environ.setdefault('HTTP_HOST',environ['SERVER_NAME'])
128     environ.setdefault('REQUEST_METHOD','GET')
130     if 'SCRIPT_NAME' not in environ and 'PATH_INFO' not in environ:
131         environ.setdefault('SCRIPT_NAME','')
132         environ.setdefault('PATH_INFO','/')
134     environ.setdefault('wsgi.version', (1,0))
135     environ.setdefault('wsgi.run_once', 0)
136     environ.setdefault('wsgi.multithread', 0)
137     environ.setdefault('wsgi.multiprocess', 0)
140     environ.setdefault('wsgi.input', BytesIO())
141     environ.setdefault('wsgi.errors', StringIO())
142     environ.setdefault('wsgi.url_scheme',guess_scheme(environ))
144     if environ['wsgi.url_scheme']=='http':
145         environ.setdefault('SERVER_PORT', '80')
146     elif environ['wsgi.url_scheme']=='https':
147         environ.setdefault('SERVER_PORT', '443')