40 lines
1.1 KiB
Python
40 lines
1.1 KiB
Python
from qgis.core import *
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from qgis.analysis import QgsNativeAlgorithms
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class ScrubLayer:
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def __init__(self, qgis_path, layer_path, layer_name):
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# Set the path to QGIS installation
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QgsApplication.setPrefixPath(qgis_path, True)
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# Initialize QGIS application
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qgs = QgsApplication([], False)
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qgs.initQgis()
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self.layer_path = layer_path
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self.layer_name = layer_name
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self.layer = self.load_layer()
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def load_layer(self):
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the_layer = QgsVectorLayer(self.layer_path, self.layer_name, 'ogr')
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if not the_layer.isValid():
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raise ValueError(f'Failed to load layer {self.layer_name} from {self.layer_path}')
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else:
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QgsProject.instance().addMapLayer(the_layer)
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return the_layer
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@staticmethod
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def cleanup():
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QgsApplication.exitQgis()
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if __name__ == '__main__':
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app_path = 'C:/Program Files/QGIS 3.34.1/apps/qgis'
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new_path = 'C:/Users/a_adli/PycharmProjects/hydroquebec_archetype_gispy/' \
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'data/test_data/mtl_north/test_north_mtl.shp'
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data_layer_name = 'mtl_north'
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handle_layer = ScrubLayer(app_path, new_path, 'mtl_north')
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print(handle_layer.layer.featureCount())
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