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92 lines
3.1 KiB
Python
92 lines
3.1 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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general.py
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---------------------
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Date : April 2013
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Copyright : (C) 2013 by Victor Olaya
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Email : volayaf at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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from __future__ import print_function
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from future import standard_library
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standard_library.install_aliases()
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from builtins import str
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__author__ = 'Victor Olaya'
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__date__ = 'April 2013'
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__copyright__ = '(C) 2013, Victor Olaya'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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import os
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try:
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import configparser
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except ImportError:
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import configparser as configparser
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from qgis.core import (QgsApplication)
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from processing.core.Processing import Processing
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from processing.core.parameters import ParameterSelection
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from processing.gui.Postprocessing import handleAlgorithmResults
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def algorithmOptions(id):
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"""Prints all algorithm options with their values.
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"""
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alg = QgsApplication.processingRegistry().algorithmById(id)
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if alg is not None:
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opts = ''
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for param in alg.parameterDefinitions():
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if isinstance(param, ParameterSelection):
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opts += '{} ({})\n'.format(param.name(), param.description())
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for option in enumerate(param.options):
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opts += '\t{} - {}\n'.format(option[0], option[1])
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print(opts)
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else:
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print('Algorithm "{}" not found.'.format(id))
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def algorithmHelp(id):
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"""Prints algorithm parameters with their types. Also
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provides information about options if any.
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"""
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alg = QgsApplication.processingRegistry().algorithmById(id)
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if alg is not None:
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print(str(alg))
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algorithmOptions(id)
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else:
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print('Algorithm "{}" not found.'.format(id))
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def run(algOrName, *args, **kwargs):
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"""Executes given algorithm and returns its outputs as dictionary
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object.
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"""
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return Processing.runAlgorithm(algOrName, None, *args, **kwargs)
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def runAndLoadResults(name, *args, **kwargs):
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"""Executes given algorithm and load its results into QGIS project
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when possible.
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"""
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return Processing.runAlgorithm(name, handleAlgorithmResults, *args, **kwargs)
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def version():
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pluginPath = os.path.split(os.path.dirname(__file__))[0]
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cfg = configparser.ConfigParser()
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cfg.read(os.path.join(pluginPath, 'metadata.txt'))
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ver = cfg.get('general', 'version').split('.')
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return 10000 * int(ver[0]) + 100 * int(ver[1]) + int(ver[2])
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