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