示例#1
0
def publish(request, module_name, after_list, debug=0,
            call_object=call_object,
            missing_name=missing_name,
            dont_publish_class=dont_publish_class,
            mapply=mapply,
            ):

    (bobo_before, bobo_after, object, realm, debug_mode, err_hook,
     validated_hook, transactions_manager)= get_module_info(module_name)

    parents=None
    response=None

    try:
        # TODO pass request here once BaseRequest implements IParticipation
        newInteraction()

        request.processInputs()

        request_get=request.get
        response=request.response

        # First check for "cancel" redirect:
        if request_get('SUBMIT', '').strip().lower()=='cancel':
            cancel=request_get('CANCEL_ACTION', '')
            if cancel:
                raise Redirect(cancel)

        after_list[0]=bobo_after
        if debug_mode:
            response.debug_mode=debug_mode
        if realm and not request.get('REMOTE_USER', None):
            response.realm=realm

        if bobo_before is not None:
            bobo_before()

        # Get the path list.
        # According to RFC1738 a trailing space in the path is valid.
        path=request_get('PATH_INFO')

        request['PARENTS']=parents=[object]

        if transactions_manager:
            transactions_manager.begin()

        object=request.traverse(path, validated_hook=validated_hook)

        if transactions_manager:
            transactions_manager.recordMetaData(object, request)

        result=mapply(object, request.args, request,
                      call_object, 1,
                      missing_name,
                      dont_publish_class,
                      request, bind=1)

        if result is not response:
            response.setBody(result)

        if transactions_manager:
            transactions_manager.commit()
        endInteraction()

        return response
    except:
        # DM: provide nicer error message for FTP
        sm = None
        if response is not None:
            sm = getattr(response, "setMessage", None)
        if sm is not None:
            from asyncore import compact_traceback
            cl, val= sys.exc_info()[:2]
            sm('%s: %s %s' % (
                getattr(cl, '__name__', cl), val,
                debug_mode and compact_traceback()[-1] or ''))
        if ISOAPRequest.providedBy(request):
            if transactions_manager:
                transactions_manager.abort()
            endInteraction()
            if response is None:
                response = SOAPResponse(request.response)
            response.exception()
            return response
        if err_hook is not None:
            if parents:
                parents=parents[0]
            try:
                try:
                    return err_hook(parents, request,
                                    sys.exc_info()[0],
                                    sys.exc_info()[1],
                                    sys.exc_info()[2],
                                    )
                except Retry:
                    if not request.supports_retry():
                        return err_hook(parents, request,
                                        sys.exc_info()[0],
                                        sys.exc_info()[1],
                                        sys.exc_info()[2],
                                        )
            finally:
                if transactions_manager:
                    transactions_manager.abort()
                endInteraction()

            # Only reachable if Retry is raised and request supports retry.
            newrequest=request.retry()
            request.close()  # Free resources held by the request.
            # Set the default layer/skin on the newly generated request
            setDefaultSkin(newrequest)
            try:
                return publish(newrequest, module_name, after_list, debug)
            finally:
                newrequest.close()

        else:
            if transactions_manager:
                transactions_manager.abort()
            endInteraction()
            raise
def publish(request, module_name, after_list, debug=0,
            # Optimize:
            call_object=call_object,
            missing_name=missing_name,
            dont_publish_class=dont_publish_class,
            mapply=mapply,
            ):

    (bobo_before, bobo_after, object, realm, debug_mode, err_hook,
     validated_hook, transactions_manager)= get_module_info(module_name)

    parents=None
    response=None

    try:
        notify(PubStart(request))
        # TODO pass request here once BaseRequest implements IParticipation
        newInteraction()

        request.processInputs()

        request_get=request.get
        response=request.response

        # First check for "cancel" redirect:
        if request_get('SUBMIT','').strip().lower()=='cancel':
            cancel=request_get('CANCEL_ACTION','')
            if cancel:
                raise Redirect, cancel

        after_list[0]=bobo_after
        if debug_mode:
            response.debug_mode=debug_mode
        if realm and not request.get('REMOTE_USER',None):
            response.realm=realm

        if bobo_before is not None:
            bobo_before()

        # Get the path list.
        # According to RFC1738 a trailing space in the path is valid.
        path=request_get('PATH_INFO')

        request['PARENTS']=parents=[object]

        if transactions_manager:
            transactions_manager.begin()

        object=request.traverse(path, validated_hook=validated_hook)

        notify(PubAfterTraversal(request))

        if transactions_manager:
            transactions_manager.recordMetaData(object, request)

        result=mapply(object, request.args, request,
                      call_object,1,
                      missing_name,
                      dont_publish_class,
                      request, bind=1)

        if result is not response:
            response.setBody(result)

        notify(PubBeforeCommit(request))

        if transactions_manager:
            transactions_manager.commit()
        endInteraction()

        notify(PubSuccess(request))

        return response
    except:
        # save in order to give 'PubFailure' the original exception info
        exc_info = sys.exc_info()
        # DM: provide nicer error message for FTP
        sm = None
        if response is not None:
            sm = getattr(response, "setMessage", None)

        if sm is not None:
            from asyncore import compact_traceback
            cl,val= sys.exc_info()[:2]
            sm('%s: %s %s' % (
                getattr(cl,'__name__',cl), val,
                debug_mode and compact_traceback()[-1] or ''))

        # debug is just used by tests (has nothing to do with debug_mode!)
        # XXX begin monkeypatch
        if ISOAPRequest.providedBy(request):
            if transactions_manager:
                transactions_manager.abort()
            endInteraction()
            if response is None:
                response = SOAPResponse(request.response)
            if isinstance(exc_info[1], Unauthorized):
                response._unauthorized()
            else:
                response.exception()
            return response
        # XXX end monkeypatch
        if not debug and err_hook is not None:
            retry = False
            if parents:
                parents=parents[0]
            try:
                try:
                    return err_hook(parents, request,
                                    sys.exc_info()[0],
                                    sys.exc_info()[1],
                                    sys.exc_info()[2],
                                    )
                except Retry:
                    if not request.supports_retry():
                        return err_hook(parents, request,
                                        sys.exc_info()[0],
                                        sys.exc_info()[1],
                                        sys.exc_info()[2],
                                        )
                    retry = True
            finally:
                # Note: 'abort's can fail. Nevertheless, we want end request handling
                try:
                    try:
                        notify(PubBeforeAbort(request, exc_info, retry))
                    finally:
                        if transactions_manager:
                            transactions_manager.abort()
                finally:
                    endInteraction()
                    notify(PubFailure(request, exc_info, retry))

            # Only reachable if Retry is raised and request supports retry.
            newrequest=request.retry()
            request.close()  # Free resources held by the request.

            # Set the default layer/skin on the newly generated request
            if ISkinnable.providedBy(newrequest):
                setDefaultSkin(newrequest)
            try:
                return publish(newrequest, module_name, after_list, debug)
            finally:
                newrequest.close()

        else:
            # Note: 'abort's can fail. Nevertheless, we want end request handling
            try:
                try:
                    notify(PubBeforeAbort(request, exc_info, False))
                finally:
                    if transactions_manager:
                        transactions_manager.abort()
            finally:
                endInteraction()
                notify(PubFailure(request, exc_info, False))
            raise