def __call__(self,environ, start_response):
try:
return self._wrapped(environ,start_response)
except Exception as error_instance:
if isinstance(error_instance,NoMatchingURL):
status = '404 NOT FOUND'
standard_error = settings.VIEW_404
else:
status = '500 INTERNAL SERVER ERROR'
standard_error = settings.VIEW_500
response_headers = [('Content-type','text/html')]
start_response(status, response_headers)
if settings.DEBUG:
return [func_from_str(settings.DEBUG_ERROR_VIEW)(settings, environ, error_instance).encode('latin-1')]
return [func_from_str(standard_error)(None).encode('latin-1')]
def parse_url(rel_url):
for url in url_seq:
match = re.match(url[0],rel_url)
if match:
# using 'args' to pull named groups from the url and passing them to the view, if any.
args = match.groupdict()
try:
return_view = func_from_str(url[1])
except (AttributeError, ImportError) as error_instance:
# If there is an import error or attribute error, the function probably
# doesn't exist, throw our own appropriate error
view_error = ViewFunctionDoesNotExist(url[0],url[1])
view_error.with_traceback(error_instance.__traceback__)
raise view_error
else:
return return_view, args
raise NoMatchingURL(rel_url)
