def get_headers(environ: WSGIEnviron) -> http.Headers:
header_items = []
for key, value in environ.items():
if key.startswith('HTTP_'):
header = (key[5:].lower().replace('_', '-'), value)
header_items.append(header)
elif key in ('CONTENT_TYPE', 'CONTENT_LENGTH'):
header = (key.lower().replace('_', '-'), value)
header_items.append(header)
return http.Headers(header_items)
def get_request_data(environ: WSGIEnviron):
if not bool(environ.get('CONTENT_TYPE')):
mimetype = None
else:
mimetype, _ = parse_options_header(environ['CONTENT_TYPE'])
if mimetype is None:
value = None
elif mimetype == 'application/json':
body = get_input_stream(environ).read()
value = json.loads(body.decode('utf-8'))
elif mimetype in ('multipart/form-data',
'application/x-www-form-urlencoded'):
parser = FormDataParser()
stream, form, files = parser.parse_from_environ(environ)
value = ImmutableMultiDict(list(form.items()) + list(files.items()))
else:
raise exceptions.UnsupportedMediaType()
return value
def get_queryparams(environ: WSGIEnviron) -> http.QueryParams:
return werkzeug.urls.url_decode(environ.get('QUERY_STRING', ''),
cls=http.QueryParams)
def get_querystring(environ: WSGIEnviron):
return environ.get('QUERY_STRING', '')
def get_port(environ: WSGIEnviron):
if environ['wsgi.url_scheme'] == 'https':
return int(environ.get('SERVER_PORT') or 443)
return int(environ.get('SERVER_PORT') or 80)
def get_host(environ: WSGIEnviron):
return environ.get('HTTP_HOST') or environ['SERVER_NAME']
def get_file_wrapper(environ: WSGIEnviron):
return environ.get('wsgi.file_wrapper', FileWrapper)