Esempio n. 1
0
 def history_set_default_permissions( self, trans, id=None, **kwd ):
     """Sets the permissions on a history.
     """
     # TODO: unencoded id
     if trans.user:
         if 'update_roles_button' in kwd:
             history = None
             if id:
                 try:
                     id = int( id )
                 except:
                     id = None
                 if id:
                     history = trans.sa_session.query( trans.app.model.History ).get( id )
             if not history:
                 # If we haven't retrieved a history, use the current one
                 history = trans.get_history()
             p = Params( kwd )
             permissions = {}
             for k, v in trans.app.model.Dataset.permitted_actions.items():
                 in_roles = p.get( k + '_in', [] )
                 if not isinstance( in_roles, list ):
                     in_roles = [ in_roles ]
                 in_roles = [ trans.sa_session.query( trans.app.model.Role ).get( x ) for x in in_roles ]
                 permissions[ trans.app.security_agent.get_action( v.action ) ] = in_roles
             dataset = 'dataset' in kwd
             bypass_manage_permission = 'bypass_manage_permission' in kwd
             trans.app.security_agent.history_set_default_permissions( history, permissions,
                                                                       dataset=dataset, bypass_manage_permission=bypass_manage_permission )
             return trans.show_ok_message( 'Default history permissions have been changed.' )
         return trans.fill_template( 'history/permissions.mako' )
     else:
         # user not logged in, history group must be only public
         return trans.show_error_message( "You must be logged in to change a history's default permissions." )
Esempio n. 2
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    def history( self, trans, as_xml=False, show_deleted=None, show_hidden=None, hda_id=None, **kwd ):
        """Display the current history, creating a new history if necessary.

        NOTE: No longer accepts "id" or "template" options for security reasons.
        """
        if as_xml:
            return self.history_as_xml( trans,
                show_deleted=string_as_bool( show_deleted ), show_hidden=string_as_bool( show_hidden ) )

        # get all datasets server-side, client-side will get flags and render appropriately
        show_deleted = string_as_bool_or_none( show_deleted )
        show_purged  = show_deleted
        show_hidden  = string_as_bool_or_none( show_hidden )
        params = Params( kwd )
        message = params.get( 'message', '' )
        #TODO: ugh...
        message = message if message != 'None' else ''
        status = params.get( 'status', 'done' )

        if trans.app.config.require_login and not trans.user:
            return trans.fill_template( '/no_access.mako', message = 'Please log in to access Galaxy histories.' )

        def err_msg( where=None ):
            where = where if where else 'getting the history data from the server'
            err_msg = ( 'An error occurred %s. '
                      + 'Please contact a Galaxy administrator if the problem persists.' ) %( where )
            return err_msg, 'error'

        history_dictionary = {}
        hda_dictionaries   = []
        try:
            history = trans.get_history( create=True )
            hdas = self.get_history_datasets( trans, history,
                show_deleted=True, show_hidden=True, show_purged=True )

            for hda in hdas:
                try:
                    hda_dictionaries.append( self.get_hda_dict( trans, hda ) )

                except Exception, exc:
                    # don't fail entire list if hda err's, record and move on
                    log.error( 'Error bootstrapping hda %d: %s', hda.id, str( exc ), exc_info=True )
                    hda_dictionaries.append( self.get_hda_dict_with_error( trans, hda, str( exc ) ) )

            # re-use the hdas above to get the history data...
            history_dictionary = self.get_history_dict( trans, history, hda_dictionaries=hda_dictionaries )
Esempio n. 3
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    def index(self, trans, tool_id=None, data_secret=None, **kwd):
        """Manages ascynchronous connections"""

        if tool_id is None:
            return "tool_id argument is required"
        tool_id = str(tool_id)

        # redirect to main when getting no parameters
        if not kwd:
            return trans.response.send_redirect("/index")

        history = trans.get_history(create=True)
        params = Params(kwd, sanitize=False)
        STATUS = params.STATUS
        URL = params.URL
        data_id = params.data_id

        log.debug('async dataid -> %s' % data_id)
        trans.log_event('Async dataid -> %s' % str(data_id))

        # initialize the tool
        toolbox = self.get_toolbox()
        tool = toolbox.get_tool(tool_id)
        if not tool:
            return "Tool with id %s not found" % tool_id

        #
        # we have an incoming data_id
        #
        if data_id:
            if not URL:
                return "No URL parameter was submitted for data %s" % data_id
            data = trans.sa_session.query(
                trans.model.HistoryDatasetAssociation).get(data_id)

            if not data:
                return "Data %s does not exist or has already been deleted" % data_id

            if STATUS == 'OK':
                key = hmac_new(trans.app.config.tool_secret,
                               "%d:%d" % (data.id, data.history_id))
                if key != data_secret:
                    return "You do not have permission to alter data %s." % data_id
                # push the job into the queue
                data.state = data.blurb = data.states.RUNNING
                log.debug('executing tool %s' % tool.id)
                trans.log_event('Async executing tool %s' % tool.id,
                                tool_id=tool.id)
                galaxy_url = trans.request.base + '/async/%s/%s/%s' % (
                    tool_id, data.id, key)
                galaxy_url = params.get("GALAXY_URL", galaxy_url)
                params = dict(URL=URL,
                              GALAXY_URL=galaxy_url,
                              name=data.name,
                              info=data.info,
                              dbkey=data.dbkey,
                              data_type=data.ext)
                # Assume there is exactly one output file possible
                params[tool.outputs.keys()[0]] = data.id
                tool.execute(trans, incoming=params)
            else:
                log.debug('async error -> %s' % STATUS)
                trans.log_event('Async error -> %s' % STATUS)
                data.state = data.blurb = jobs.JOB_ERROR
                data.info = "Error -> %s" % STATUS

            trans.sa_session.flush()

            return "Data %s with status %s received. OK" % (data_id, STATUS)
        else:
            #
            # no data_id must be parameter submission
            #
            if params.data_type:
                GALAXY_TYPE = params.data_type
            elif params.galaxyFileFormat == 'wig':  # this is an undocumented legacy special case
                GALAXY_TYPE = 'wig'
            else:
                GALAXY_TYPE = params.GALAXY_TYPE or tool.outputs.values(
                )[0].format

            GALAXY_NAME = params.name or params.GALAXY_NAME or '%s query' % tool.name
            GALAXY_INFO = params.info or params.GALAXY_INFO or params.galaxyDescription or ''
            GALAXY_BUILD = params.dbkey or params.GALAXY_BUILD or params.galaxyFreeze or '?'

            # data = datatypes.factory(ext=GALAXY_TYPE)()
            # data.ext   = GALAXY_TYPE
            # data.name  = GALAXY_NAME
            # data.info  = GALAXY_INFO
            # data.dbkey = GALAXY_BUILD
            # data.state = jobs.JOB_OK
            # history.datasets.add_dataset( data )

            data = trans.app.model.HistoryDatasetAssociation(
                create_dataset=True,
                sa_session=trans.sa_session,
                extension=GALAXY_TYPE)
            trans.app.security_agent.set_all_dataset_permissions(
                data.dataset,
                trans.app.security_agent.history_get_default_permissions(
                    trans.history))
            data.name = GALAXY_NAME
            data.dbkey = GALAXY_BUILD
            data.info = GALAXY_INFO
            trans.sa_session.add(
                data
            )  # Need to add data to session before setting state (setting state requires that the data object is in the session, but this may change)
            data.state = data.states.NEW
            open(data.file_name, 'wb').close()  # create the file
            trans.history.add_dataset(data, genome_build=GALAXY_BUILD)
            trans.sa_session.add(trans.history)
            trans.sa_session.flush()
            trans.log_event("Added dataset %d to history %d" %
                            (data.id, trans.history.id),
                            tool_id=tool_id)

            try:
                key = hmac_new(trans.app.config.tool_secret,
                               "%d:%d" % (data.id, data.history_id))
                galaxy_url = trans.request.base + '/async/%s/%s/%s' % (
                    tool_id, data.id, key)
                params.update({'GALAXY_URL': galaxy_url})
                params.update({'data_id': data.id})
                # Use provided URL or fallback to tool action
                url = URL or tool.action
                # Does url already have query params?
                if '?' in url:
                    url_join_char = '&'
                else:
                    url_join_char = '?'
                url = "%s%s%s" % (url, url_join_char,
                                  urllib.urlencode(params.flatten()))
                log.debug("connecting to -> %s" % url)
                trans.log_event("Async connecting to -> %s" % url)
                text = urllib.urlopen(url).read(-1)
                text = text.strip()
                if not text.endswith('OK'):
                    raise Exception(text)
                data.state = data.blurb = data.states.RUNNING
            except Exception, e:
                data.info = str(e)
                data.state = data.blurb = data.states.ERROR

            trans.sa_session.flush()
Esempio n. 4
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    def index(self, trans, tool_id=None, data_secret=None, **kwd):
        """Manages ascynchronous connections"""

        if tool_id is None:
            return "tool_id argument is required"
        tool_id=str(tool_id)
        #log.debug('async params -> %s' % kwd)

        # redirect to main when getting no parameters
        if not kwd:
            return trans.response.send_redirect( "/index" )

        history = trans.get_history( create=True )
        params  = Params(kwd, sanitize=False)
        STATUS = params.STATUS
        URL = params.URL
        data_id = params.data_id

        log.debug('async dataid -> %s' % data_id)
        trans.log_event( 'Async dataid -> %s' % str(data_id) )

        # initialize the tool
        toolbox = self.get_toolbox()
        tool = toolbox.get_tool( tool_id )
        if not tool:
            return "Tool with id %s not found" % tool_id

        #
        # we have an incoming data_id
        #
        if data_id:
            if not URL:
                return "No URL parameter was submitted for data %s" % data_id
            data = trans.sa_session.query( trans.model.HistoryDatasetAssociation ).get( data_id )

            if not data:
                return "Data %s does not exist or has already been deleted" % data_id

            if STATUS == 'OK':
                key = hmac_new( trans.app.config.tool_secret, "%d:%d" % ( data.id, data.history_id ) )
                if key != data_secret:
                    return "You do not have permission to alter data %s." % data_id
                # push the job into the queue
                data.state = data.blurb = data.states.RUNNING
                log.debug('executing tool %s' % tool.id)
                trans.log_event( 'Async executing tool %s' % tool.id, tool_id=tool.id )
                galaxy_url  = trans.request.base + '/async/%s/%s/%s' % ( tool_id, data.id, key )
                galaxy_url = params.get("GALAXY_URL",galaxy_url)
                params = dict( URL=URL, GALAXY_URL=galaxy_url, name=data.name, info=data.info, dbkey=data.dbkey, data_type=data.ext )
                # Assume there is exactly one output file possible
                params[tool.outputs.keys()[0]] = data.id
                tool.execute( trans, incoming=params )
            else:
                log.debug('async error -> %s' % STATUS)
                trans.log_event( 'Async error -> %s' % STATUS )
                data.state = data.blurb = jobs.JOB_ERROR
                data.info  = "Error -> %s" % STATUS

            trans.sa_session.flush()

            return "Data %s with status %s received. OK" % (data_id, STATUS)
        else:
            #
            # no data_id must be parameter submission
            #
            if params.data_type:
                GALAXY_TYPE = params.data_type
            elif params.galaxyFileFormat == 'wig': #this is an undocumented legacy special case
                GALAXY_TYPE = 'wig'
            else:
                GALAXY_TYPE = params.GALAXY_TYPE  or  tool.outputs.values()[0].format

            GALAXY_NAME = params.name or params.GALAXY_NAME or '%s query' % tool.name
            GALAXY_INFO = params.info or params.GALAXY_INFO or params.galaxyDescription or ''
            GALAXY_BUILD = params.dbkey or params.GALAXY_BUILD or params.galaxyFreeze or '?'

            #data = datatypes.factory(ext=GALAXY_TYPE)()
            #data.ext   = GALAXY_TYPE
            #data.name  = GALAXY_NAME
            #data.info  = GALAXY_INFO
            #data.dbkey = GALAXY_BUILD
            #data.state = jobs.JOB_OK
            #history.datasets.add_dataset( data )

            data = trans.app.model.HistoryDatasetAssociation( create_dataset=True, sa_session=trans.sa_session, extension=GALAXY_TYPE )
            trans.app.security_agent.set_all_dataset_permissions( data.dataset, trans.app.security_agent.history_get_default_permissions( trans.history ) )
            data.name = GALAXY_NAME
            data.dbkey = GALAXY_BUILD
            data.info = GALAXY_INFO
            trans.sa_session.add( data ) #Need to add data to session before setting state (setting state requires that the data object is in the session, but this may change)
            data.state = data.states.NEW
            open( data.file_name, 'wb' ).close() #create the file
            trans.history.add_dataset( data, genome_build=GALAXY_BUILD )
            trans.sa_session.add( trans.history )
            trans.sa_session.flush()
            trans.log_event( "Added dataset %d to history %d" %(data.id, trans.history.id ), tool_id=tool_id )

            try:
                key = hmac_new( trans.app.config.tool_secret, "%d:%d" % ( data.id, data.history_id ) )
                galaxy_url  = trans.request.base + '/async/%s/%s/%s' % ( tool_id, data.id, key )
                params.update( { 'GALAXY_URL' :galaxy_url } )
                params.update( { 'data_id' :data.id } )
                url  = tool.action + '?' + urllib.urlencode( params.flatten() )
                log.debug("connecting to -> %s" % url)
                trans.log_event( "Async connecting to -> %s" % url )
                text =  urllib.urlopen(url).read(-1)
                text = text.strip()
                if not text.endswith('OK'):
                    raise Exception, text
                data.state = data.blurb = data.states.RUNNING
            except Exception, e:
                data.info  = str(e)
                data.state = data.blurb = data.states.ERROR

            trans.sa_session.flush()
Esempio n. 5
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    def index(self, trans, tool_id=None, data_secret=None, **kwd):
        """Manages ascynchronous connections"""

        if tool_id is None:
            return "tool_id argument is required"
        tool_id = str(tool_id)

        # redirect to main when getting no parameters
        if not kwd:
            return trans.response.send_redirect("/index")

        params = Params(kwd, sanitize=False)
        STATUS = params.STATUS
        URL = params.URL
        data_id = params.data_id

        log.debug('async dataid -> %s' % data_id)
        trans.log_event('Async dataid -> %s' % str(data_id))

        # initialize the tool
        toolbox = self.get_toolbox()
        tool = toolbox.get_tool(tool_id)
        if not tool:
            return "Tool with id %s not found" % tool_id

        #
        # we have an incoming data_id
        #
        if data_id:
            if not URL:
                return "No URL parameter was submitted for data %s" % data_id
            data = trans.sa_session.query(
                trans.model.HistoryDatasetAssociation).get(data_id)

            if not data:
                return "Data %s does not exist or has already been deleted" % data_id

            if STATUS == 'OK':
                key = hmac_new(trans.app.config.tool_secret,
                               "%d:%d" % (data.id, data.history_id))
                if key != data_secret:
                    return "You do not have permission to alter data %s." % data_id
                # push the job into the queue
                data.state = data.blurb = data.states.RUNNING
                log.debug('executing tool %s' % tool.id)
                trans.log_event('Async executing tool %s' % tool.id,
                                tool_id=tool.id)
                galaxy_url = trans.request.base + f'/async/{tool_id}/{data.id}/{key}'
                galaxy_url = params.get("GALAXY_URL", galaxy_url)
                params = dict(URL=URL,
                              GALAXY_URL=galaxy_url,
                              name=data.name,
                              info=data.info,
                              dbkey=data.dbkey,
                              data_type=data.ext)

                # Assume there is exactly one output file possible
                TOOL_OUTPUT_TYPE = None
                for key, obj in tool.outputs.items():
                    try:
                        TOOL_OUTPUT_TYPE = obj.format
                        params[key] = data.id
                        break
                    except Exception:
                        # exclude outputs different from ToolOutput (e.g. collections) from the previous assumption
                        continue
                if TOOL_OUTPUT_TYPE is None:
                    raise Exception("Error: ToolOutput object not found")

                original_history = trans.sa_session.query(
                    trans.app.model.History).get(data.history_id)
                tool.execute(trans, incoming=params, history=original_history)
            else:
                log.debug('async error -> %s' % STATUS)
                trans.log_event('Async error -> %s' % STATUS)
                data.state = data.blurb = "error"
                data.info = "Error -> %s" % STATUS

            trans.sa_session.flush()

            return f"Data {data_id} with status {STATUS} received. OK"
        else:
            #
            # no data_id must be parameter submission
            #
            GALAXY_TYPE = None
            if params.data_type:
                GALAXY_TYPE = params.data_type
            elif params.galaxyFileFormat == 'wig':  # this is an undocumented legacy special case
                GALAXY_TYPE = 'wig'
            elif params.GALAXY_TYPE:
                GALAXY_TYPE = params.GALAXY_TYPE
            else:
                # Assume there is exactly one output
                outputs_count = 0
                for obj in tool.outputs.values():
                    try:
                        GALAXY_TYPE = obj.format
                        outputs_count += 1
                    except Exception:
                        # exclude outputs different from ToolOutput (e.g. collections) from the previous assumption
                        # a collection object does not have the 'format' attribute, so it will throw an exception
                        continue
                if outputs_count > 1:
                    raise Exception(
                        "Error: the tool should have just one output")

            if GALAXY_TYPE is None:
                raise Exception("Error: ToolOutput object not found")

            GALAXY_NAME = params.name or params.GALAXY_NAME or '%s query' % tool.name
            GALAXY_INFO = params.info or params.GALAXY_INFO or params.galaxyDescription or ''
            GALAXY_BUILD = params.dbkey or params.GALAXY_BUILD or params.galaxyFreeze or '?'

            # data = datatypes.factory(ext=GALAXY_TYPE)()
            # data.ext   = GALAXY_TYPE
            # data.name  = GALAXY_NAME
            # data.info  = GALAXY_INFO
            # data.dbkey = GALAXY_BUILD
            # data.state = jobs.JOB_OK
            # history.datasets.add_dataset( data )

            data = trans.app.model.HistoryDatasetAssociation(
                create_dataset=True,
                sa_session=trans.sa_session,
                extension=GALAXY_TYPE)
            trans.app.security_agent.set_all_dataset_permissions(
                data.dataset,
                trans.app.security_agent.history_get_default_permissions(
                    trans.history))
            data.name = GALAXY_NAME
            data.dbkey = GALAXY_BUILD
            data.info = GALAXY_INFO
            trans.sa_session.add(
                data
            )  # Need to add data to session before setting state (setting state requires that the data object is in the session, but this may change)
            data.state = data.states.NEW
            trans.history.add_dataset(data, genome_build=GALAXY_BUILD)
            trans.sa_session.add(trans.history)
            trans.sa_session.flush()
            # Need to explicitly create the file
            data.dataset.object_store.create(data)
            trans.log_event("Added dataset %d to history %d" %
                            (data.id, trans.history.id),
                            tool_id=tool_id)

            try:
                key = hmac_new(trans.app.config.tool_secret,
                               "%d:%d" % (data.id, data.history_id))
                galaxy_url = trans.request.base + f'/async/{tool_id}/{data.id}/{key}'
                params.update({'GALAXY_URL': galaxy_url})
                params.update({'data_id': data.id})

                # Use provided URL or fallback to tool action
                url = URL or tool.action
                # Does url already have query params?
                if '?' in url:
                    url_join_char = '&'
                else:
                    url_join_char = '?'
                url = "{}{}{}".format(url, url_join_char,
                                      urlencode(params.flatten()))
                log.debug("connecting to -> %s" % url)
                trans.log_event("Async connecting to -> %s" % url)
                text = requests.get(url).text.strip()
                if not text.endswith('OK'):
                    raise Exception(text)
                data.state = data.blurb = data.states.RUNNING
            except Exception as e:
                data.info = unicodify(e)
                data.state = data.blurb = data.states.ERROR

            trans.sa_session.flush()

        return trans.fill_template('root/tool_runner.mako',
                                   out_data={},
                                   num_jobs=1,
                                   job_errors=[])
Esempio n. 6
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    def history(self,
                trans,
                as_xml=False,
                show_deleted=None,
                show_hidden=None,
                hda_id=None,
                **kwd):
        """Display the current history, creating a new history if necessary.

        NOTE: No longer accepts "id" or "template" options for security reasons.
        """
        if as_xml:
            return self.history_as_xml(
                trans,
                show_deleted=string_as_bool(show_deleted),
                show_hidden=string_as_bool(show_hidden))

        # get all datasets server-side, client-side will get flags and render appropriately
        show_deleted = string_as_bool_or_none(show_deleted)
        show_purged = show_deleted
        show_hidden = string_as_bool_or_none(show_hidden)
        params = Params(kwd)
        message = params.get('message', '')
        #TODO: ugh...
        message = message if message != 'None' else ''
        status = params.get('status', 'done')

        if trans.app.config.require_login and not trans.user:
            return trans.fill_template(
                '/no_access.mako',
                message='Please log in to access Galaxy histories.')

        def err_msg(where=None):
            where = where if where else 'getting the history data from the server'
            err_msg = (
                'An error occurred %s. ' +
                'Please contact a Galaxy administrator if the problem persists.'
            ) % (where)
            return err_msg, 'error'

        history_dictionary = {}
        hda_dictionaries = []
        try:
            history = trans.get_history(create=True)
            hdas = self.get_history_datasets(trans,
                                             history,
                                             show_deleted=True,
                                             show_hidden=True,
                                             show_purged=True)

            for hda in hdas:
                try:
                    hda_dictionaries.append(self.get_hda_dict(trans, hda))

                except Exception, exc:
                    # don't fail entire list if hda err's, record and move on
                    log.error('Error bootstrapping hda %d: %s',
                              hda.id,
                              str(exc),
                              exc_info=True)
                    hda_dictionaries.append(
                        self.get_hda_dict_with_error(trans, hda, str(exc)))

            # re-use the hdas above to get the history data...
            history_dictionary = self.get_history_dict(
                trans, history, hda_dictionaries=hda_dictionaries)
Esempio n. 7
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    def index(self, trans, tool_id=None, data_secret=None, **kwd):
        """Manages ascynchronous connections"""

        if tool_id is None:
            return "tool_id argument is required"
        tool_id = str(tool_id)

        # redirect to main when getting no parameters
        if not kwd:
            return trans.response.send_redirect("/index")

        params = Params(kwd, sanitize=False)
        STATUS = params.STATUS
        URL = params.URL
        data_id = params.data_id

        log.debug('async dataid -> %s' % data_id)
        trans.log_event('Async dataid -> %s' % str(data_id))

        # initialize the tool
        toolbox = self.get_toolbox()
        tool = toolbox.get_tool(tool_id)
        if not tool:
            return "Tool with id %s not found" % tool_id

        #
        # we have an incoming data_id
        #
        if data_id:
            if not URL:
                return "No URL parameter was submitted for data %s" % data_id
            data = trans.sa_session.query(trans.model.HistoryDatasetAssociation).get(data_id)

            if not data:
                return "Data %s does not exist or has already been deleted" % data_id

            if STATUS == 'OK':
                key = hmac_new(trans.app.config.tool_secret, "%d:%d" % (data.id, data.history_id))
                if key != data_secret:
                    return "You do not have permission to alter data %s." % data_id
                # push the job into the queue
                data.state = data.blurb = data.states.RUNNING
                log.debug('executing tool %s' % tool.id)
                trans.log_event('Async executing tool %s' % tool.id, tool_id=tool.id)
                galaxy_url = trans.request.base + '/async/%s/%s/%s' % (tool_id, data.id, key)
                galaxy_url = params.get("GALAXY_URL", galaxy_url)
                params = dict(URL=URL, GALAXY_URL=galaxy_url, name=data.name, info=data.info, dbkey=data.dbkey, data_type=data.ext)

                # Assume there is exactly one output file possible
                TOOL_OUTPUT_TYPE = None
                for key, obj in tool.outputs.items():
                    try:
                        TOOL_OUTPUT_TYPE = obj.format
                        params[key] = data.id
                        break
                    except Exception:
                        # exclude outputs different from ToolOutput (e.g. collections) from the previous assumption
                        continue
                if TOOL_OUTPUT_TYPE is None:
                    raise Exception("Error: ToolOutput object not found")

                original_history = trans.sa_session.query(trans.app.model.History).get(data.history_id)
                tool.execute(trans, incoming=params, history=original_history)
            else:
                log.debug('async error -> %s' % STATUS)
                trans.log_event('Async error -> %s' % STATUS)
                data.state = data.blurb = jobs.JOB_ERROR
                data.info = "Error -> %s" % STATUS

            trans.sa_session.flush()

            return "Data %s with status %s received. OK" % (data_id, STATUS)
        else:
            #
            # no data_id must be parameter submission
            #
            GALAXY_TYPE = None
            if params.data_type:
                GALAXY_TYPE = params.data_type
            elif params.galaxyFileFormat == 'wig':  # this is an undocumented legacy special case
                GALAXY_TYPE = 'wig'
            elif params.GALAXY_TYPE:
                GALAXY_TYPE = params.GALAXY_TYPE
            else:
                # Assume there is exactly one output
                outputs_count = 0
                for obj in tool.outputs.values():
                    try:
                        GALAXY_TYPE = obj.format
                        outputs_count += 1
                    except Exception:
                        # exclude outputs different from ToolOutput (e.g. collections) from the previous assumption
                        # a collection object does not have the 'format' attribute, so it will throw an exception
                        continue
                if outputs_count > 1:
                    raise Exception("Error: the tool should have just one output")

            if GALAXY_TYPE is None:
                raise Exception("Error: ToolOutput object not found")

            GALAXY_NAME = params.name or params.GALAXY_NAME or '%s query' % tool.name
            GALAXY_INFO = params.info or params.GALAXY_INFO or params.galaxyDescription or ''
            GALAXY_BUILD = params.dbkey or params.GALAXY_BUILD or params.galaxyFreeze or '?'

            # data = datatypes.factory(ext=GALAXY_TYPE)()
            # data.ext   = GALAXY_TYPE
            # data.name  = GALAXY_NAME
            # data.info  = GALAXY_INFO
            # data.dbkey = GALAXY_BUILD
            # data.state = jobs.JOB_OK
            # history.datasets.add_dataset( data )

            data = trans.app.model.HistoryDatasetAssociation(create_dataset=True, sa_session=trans.sa_session, extension=GALAXY_TYPE)
            trans.app.security_agent.set_all_dataset_permissions(data.dataset, trans.app.security_agent.history_get_default_permissions(trans.history))
            data.name = GALAXY_NAME
            data.dbkey = GALAXY_BUILD
            data.info = GALAXY_INFO
            trans.sa_session.add(data)  # Need to add data to session before setting state (setting state requires that the data object is in the session, but this may change)
            data.state = data.states.NEW
            open(data.file_name, 'wb').close()  # create the file
            trans.history.add_dataset(data, genome_build=GALAXY_BUILD)
            trans.sa_session.add(trans.history)
            trans.sa_session.flush()
            trans.log_event("Added dataset %d to history %d" % (data.id, trans.history.id), tool_id=tool_id)

            try:
                key = hmac_new(trans.app.config.tool_secret, "%d:%d" % (data.id, data.history_id))
                galaxy_url = trans.request.base + '/async/%s/%s/%s' % (tool_id, data.id, key)
                params.update({'GALAXY_URL': galaxy_url})
                params.update({'data_id': data.id})

                # Use provided URL or fallback to tool action
                url = URL or tool.action
                # Does url already have query params?
                if '?' in url:
                    url_join_char = '&'
                else:
                    url_join_char = '?'
                url = "%s%s%s" % (url, url_join_char, urlencode(params.flatten()))
                log.debug("connecting to -> %s" % url)
                trans.log_event("Async connecting to -> %s" % url)
                text = requests.get(url).text.strip()
                if not text.endswith('OK'):
                    raise Exception(text)
                data.state = data.blurb = data.states.RUNNING
            except Exception as e:
                data.info = str(e)
                data.state = data.blurb = data.states.ERROR

            trans.sa_session.flush()

        return trans.fill_template('root/tool_runner.mako', out_data={}, num_jobs=1, job_errors=[])