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62 lines
1.5 KiB
Python
62 lines
1.5 KiB
Python
5 years ago
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"""
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This module houses the GDAL & SRS Exception objects, and the
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check_err() routine which checks the status code returned by
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GDAL/OGR methods.
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"""
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# #### GDAL & SRS Exceptions ####
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class GDALException(Exception):
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pass
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class SRSException(Exception):
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pass
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# #### GDAL/OGR error checking codes and routine ####
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# OGR Error Codes
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OGRERR_DICT = {
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1: (GDALException, 'Not enough data.'),
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2: (GDALException, 'Not enough memory.'),
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3: (GDALException, 'Unsupported geometry type.'),
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4: (GDALException, 'Unsupported operation.'),
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5: (GDALException, 'Corrupt data.'),
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6: (GDALException, 'OGR failure.'),
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7: (SRSException, 'Unsupported SRS.'),
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8: (GDALException, 'Invalid handle.'),
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}
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# CPL Error Codes
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# https://www.gdal.org/cpl__error_8h.html
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CPLERR_DICT = {
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1: (GDALException, 'AppDefined'),
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2: (GDALException, 'OutOfMemory'),
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3: (GDALException, 'FileIO'),
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4: (GDALException, 'OpenFailed'),
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5: (GDALException, 'IllegalArg'),
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6: (GDALException, 'NotSupported'),
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7: (GDALException, 'AssertionFailed'),
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8: (GDALException, 'NoWriteAccess'),
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9: (GDALException, 'UserInterrupt'),
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10: (GDALException, 'ObjectNull'),
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}
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ERR_NONE = 0
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def check_err(code, cpl=False):
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"""
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Check the given CPL/OGRERR and raise an exception where appropriate.
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"""
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err_dict = CPLERR_DICT if cpl else OGRERR_DICT
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if code == ERR_NONE:
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return
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elif code in err_dict:
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e, msg = err_dict[code]
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raise e(msg)
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else:
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raise GDALException('Unknown error code: "%s"' % code)
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