def serve_tool(self, path_list, environ, start_response, **kwargs):
"""add???
:param path_list: add???
:param environ: add???
:param start_response: add???
:returns: add???
"""
toolname = path_list[1]
args = path_list[2:]
tool = self.load_webtool(toolname)
if not tool:
return self.not_found_exception(environ, start_response)
tool.site = self
response = Response()
kwargs['environ'] = environ
kwargs['response'] = response
result = tool(*args, **kwargs)
content_type = getattr(tool, 'content_type')
if content_type:
response.content_type = content_type
headers = getattr(tool, 'headers', [])
for header_name, header_value in headers:
response.add_header(header_name, header_value)
if isinstance(result, unicode):
response.content_type = 'text/plain'
response.unicode_body = result
elif isinstance(result, basestring):
response.body = result
elif isinstance(result, Response):
response = result
return response(environ, start_response)
