Exemple #1
0
    def __init__(self, uri):
        """
        Constructor for the GeoPackage DataStore.

        :param uri: A filepath which doesn't exist
        :type uri: QFileInfo, str

        .. versionadded:: 4.0
        """
        super(GeoPackage, self).__init__(uri)
        self.vector_driver = ogr.GetDriverByName('GPKG')
        self.raster_driver = gdal.GetDriverByName('GPKG')

        if isinstance(uri, QFileInfo):
            self._uri = uri
        elif isinstance(uri, str):
            self._uri = QFileInfo(uri)
        else:
            raise ErrorDataStore('Unknown type')

        if self.uri.exists():
            raster_datasource = gdal.Open(self.uri.absoluteFilePath())
            if raster_datasource is None:
                # Let's try if it's a vector one.
                vector_datasource = self.vector_driver.Open(
                    self.uri.absoluteFilePath())
                if vector_datasource is None:
                    msg = 'The file is not a geopackage or it doesn\'t ' \
                          'contain any layers.'
                    raise ErrorDataStore(msg)
        else:
            path = self.uri.absoluteFilePath()
            # We need this variable to be created. The delete will create it.
            datasource = self.vector_driver.CreateDataSource(path)  # NOQA
            del datasource
Exemple #2
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    def __init__(self, uri):
        """
        Constructor for the folder DataStore.

        :param uri: A directory object or the path to the folder
        :type uri: QDir, str

        .. versionadded:: 4.0
        """
        super(Folder, self).__init__(uri)
        self._default_vector_format = 'shp'

        if isinstance(uri, QDir):
            self._uri = uri
        elif isinstance(uri, basestring):
            self._uri = QDir(uri)
        else:
            raise ErrorDataStore('Unknown type')