QGIS/python/plugins/processing/preconfigured/PreconfiguredAlgorithmProvider.py
Nyall Dawson ebd851993a Remove processing specific methods for adding/removing providers
QgsProcessingRegistry methods should always be used instead
2017-04-07 13:21:28 +10:00

71 lines
2.7 KiB
Python

# -*- coding: utf-8 -*-
"""
***************************************************************************
PreconfiguredAlgorithmProvider.py
---------------------
Date : April 2016
Copyright : (C) 2016 by Victor Olaya
Email : volayaf at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************
"""
__author__ = 'Victor Olaya'
__date__ = 'April 2016'
__copyright__ = '(C) 2016, Victor Olaya'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
import os
from qgis.core import QgsProcessingProvider
from processing.preconfigured.PreconfiguredAlgorithm import PreconfiguredAlgorithm
from processing.preconfigured.PreconfiguredUtils import preconfiguredAlgorithmsFolder
from processing.preconfigured.NewPreconfiguredAlgorithmAction import NewPreconfiguredAlgorithmAction
from processing.preconfigured.DeletePreconfiguredAlgorithmAction import DeletePreconfiguredAlgorithmAction
from processing.gui.ProviderActions import ProviderContextMenuActions
class PreconfiguredAlgorithmProvider(QgsProcessingProvider):
def __init__(self):
super().__init__()
self.algs = []
self.contextMenuActions = \
[NewPreconfiguredAlgorithmAction(), DeletePreconfiguredAlgorithmAction()]
def loadAlgorithms(self):
self.algs = []
folder = preconfiguredAlgorithmsFolder()
for path, subdirs, files in os.walk(folder):
for descriptionFile in files:
if descriptionFile.endswith('json'):
fullpath = os.path.join(path, descriptionFile)
alg = PreconfiguredAlgorithm(fullpath)
self.algs.append(alg)
for a in self.algs:
self.addAlgorithm(a)
def load(self):
ProviderContextMenuActions.registerProviderContextMenuActions(self.contextMenuActions)
self.refreshAlgorithms()
return True
def unload(self):
ProviderContextMenuActions.deregisterProviderContextMenuActions(self.contextMenuActions)
def id(self):
return 'preconfigured'
def name(self):
return self.tr('Preconfigured algorithms', 'PreconfiguredAlgorithmProvider')