Cédric Krier
c0aa69fa23
If no protocol convert the data into a Response and if the data is an exception it should be returned as an Internal Server Error instead of a succeed response. The exception can be used as description for the Internal Server Error. issue6201 review31951002
98 lines
3.2 KiB
Python
98 lines
3.2 KiB
Python
# This file is part of Tryton. The COPYRIGHT file at the top level of
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# this repository contains the full copyright notices and license terms.
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import logging
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import sys
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import traceback
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from werkzeug.wrappers import Response
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from werkzeug.routing import Map, Rule
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from werkzeug.exceptions import abort, HTTPException, InternalServerError
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import wrapt
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from trytond.protocols.wrappers import Request
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from trytond.protocols.jsonrpc import JSONProtocol
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from trytond.protocols.xmlrpc import XMLProtocol
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__all__ = ['TrytondWSGI', 'app']
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logger = logging.getLogger(__name__)
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class TrytondWSGI(object):
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def __init__(self):
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self.url_map = Map([])
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self.protocols = [JSONProtocol, XMLProtocol]
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self.error_handlers = []
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def route(self, string, methods=None):
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def decorator(func):
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self.url_map.add(Rule(string, endpoint=func, methods=methods))
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return func
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return decorator
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@wrapt.decorator
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def auth_required(self, wrapped, instance, args, kwargs):
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request = args[0]
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if request.user_id:
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return wrapped(*args, **kwargs)
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else:
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abort(303)
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def dispatch_request(self, request):
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adapter = self.url_map.bind_to_environ(request.environ)
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try:
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endpoint, request.view_args = adapter.match()
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return endpoint(request, **request.view_args)
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except HTTPException, e:
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return e
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except Exception, e:
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tb_s = ''.join(traceback.format_exception(*sys.exc_info()))
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for path in sys.path:
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tb_s = tb_s.replace(path, '')
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e.__format_traceback__ = tb_s
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response = e
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for error_handler in self.error_handlers:
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rv = error_handler(e)
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if isinstance(rv, Response):
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response = rv
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return response
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def wsgi_app(self, environ, start_response):
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for cls in self.protocols:
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if cls.content_type in environ.get('CONTENT_TYPE', ''):
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request = cls.request(environ)
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break
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else:
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request = Request(environ)
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data = self.dispatch_request(request)
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if not isinstance(data, (Response, HTTPException)):
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for cls in self.protocols:
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for mimetype in request.accept_mimetypes:
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if cls.content_type in mimetype:
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response = cls.response(data, request)
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break
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else:
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continue
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break
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else:
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for cls in self.protocols:
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if cls.content_type in environ.get('CONTENT_TYPE', ''):
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response = cls.response(data, request)
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break
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else:
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if isinstance(data, Exception):
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response = InternalServerError(data)
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else:
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response = Response(data)
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else:
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response = data
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# TODO custom process response
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return response(environ, start_response)
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def __call__(self, environ, start_response):
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return self.wsgi_app(environ, start_response)
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app = TrytondWSGI()
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