grass.exceptions package

GRASS GIS interface to Python exceptions

exception grass.exceptions.CalledModuleError(module, code, returncode, errors=None)

Bases: subprocess.CalledProcessError

Raised when a called module ends with error (non-zero return code)

Used for failures of modules called as subprocesses from Python code.

Create an exception with a full error message based on the parameters.

Parameters

• module – module name

• code – some code snipped which contains parameters

• returncode – process returncode (assuming non-zero)

• errors – errors provided by the module (e.g., stderr)

exception grass.exceptions.DBError

Bases: Exception

exception grass.exceptions.FatalError

Bases: Exception

exception grass.exceptions.FlagError

Bases: Exception

exception grass.exceptions.GrassError

Bases: Exception

exception grass.exceptions.ImplementationError

Bases: Exception

exception grass.exceptions.OpenError

Bases: Exception

exception grass.exceptions.ParameterError

Bases: Exception

exception grass.exceptions.ScriptError(value)

Bases: Exception

Raised during script execution.

>>> error = ScriptError('My error message!')
>>> error.value

‘My error message!’ >>> print(error) My error message!

exception grass.exceptions.Usage

Bases: Exception