Source code for savu.core.basic_plugin_runner

# Copyright 2014 Diamond Light Source Ltd.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""
.. module:: basic_plugin_runner
   :platform: Unix
   :synopsis: Plugin list runner, which passes control to the transport layer.
.. moduleauthor:: Nicola Wadeson <scientificsoftware@diamond.ac.uk>
"""

import logging

import savu.core.utils as cu
import savu.plugins.utils as pu
from savu.data.experiment_collection import Experiment


[docs]class BasicPluginRunner(object): """ Plugin list runner, which passes control to the transport layer. """ def __init__(self, options, name='PluginRunner'): class_name = "savu.core.transports." + options["transport"] \ + "_transport" cu.add_base(self, cu.import_class(class_name)) super(BasicPluginRunner, self).__init__() # ********* transport function *********** self._transport_initialise(options) self.options = options # add all relevent locations to the path pu.get_plugins_paths() self.exp = Experiment(options) def _run_plugin_list(self): """ Create an experiment and run the plugin list. """ self.exp.checkpoint = None plugin_list = self.exp.meta_data.plugin_list plugin_list._check_loaders() self.exp._set_nxs_filename() if self.exp.meta_data.get('process') == 0: fname = self.exp.meta_data.get('nxs_filename') plugin_list._save_plugin_list(fname) self.exp.__set_loaders_and_savers() # ********* transport function *********** self._transport_pre_plugin_list_run() n_plugins = plugin_list._get_n_processing_plugins() n_loaders = self.exp.meta_data.plugin_list._get_n_loaders() plist = plugin_list.plugin_list count = 0 for plugin_dict in plist[n_loaders:n_loaders+n_plugins]: self.exp.meta_data.set('nPlugin', count) self.__run_plugin(plugin_dict) count += 1 # terminate any remaining datasets for data in list(self.exp.index['in_data'].values()): self._transport_terminate_dataset(data) cu.user_message("***********************") cu.user_message("* Processing Complete *") cu.user_message("***********************") logging.info('Processing complete') return self.exp def __run_plugin(self, plugin_dict): plugin = self._transport_load_plugin(self.exp, plugin_dict) self.exp.plugin = plugin plugin._main_setup(self.exp, plugin_dict['data']) self._transport_pre_plugin() plugin._run_plugin(self.exp, self) # plugin driver self.exp._barrier() cu._output_summary(self.exp.meta_data.get("mpi"), plugin) plugin._clean_up() finalise = self.exp._finalise_experiment_for_current_plugin() # ********* transport function *********** self._transport_post_plugin() for data in finalise['remove'] + finalise['replace']: # ********* transport function *********** self._transport_terminate_dataset(data) self.exp._reorganise_datasets(finalise)