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venv/Lib/site-packages/django/contrib/gis/gdal/error.py

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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)