lsst.pex.config.config.FieldValidationError Class Reference

Inheritance diagram for lsst.pex.config.config.FieldValidationError:

Public Member Functions
def	__init__

Public Attributes
	fieldType
	fieldName
	fullname
	history
	fieldSource
	configSource

Detailed Description

Custom exception class which holds additional information useful to
debuggin Config errors:
- fieldType: type of the Field which incurred the error
- fieldName: name of the Field which incurred the error
- fullname: fully qualified name of the Field instance
- history: full history of all changes to the Field instance
- fieldSource: file and line number of the Field definition   

Definition at line 110 of file config.py.

Constructor & Destructor Documentation

def lsst.pex.config.config.FieldValidationError.__init__	(		self,
			field,
			config,
			msg
	)

Definition at line 120 of file config.py.

    def __init__(self, field, config, msg):
        self.fieldType = type(field)
        self.fieldName = field.name
        self.fullname  = _joinNamePath(config._name, field.name)
        self.history = config.history.setdefault(field.name, [])
        self.fieldSource = field.source
        self.configSource = config._source
        error="%s '%s' failed validation: %s\n"\
                "For more information read the Field definition at:\n%s"\
                "And the Config definition at:\n%s"%\
              (self.fieldType.__name__, self.fullname, msg, 
                      traceback.format_list([self.fieldSource])[0],
                      traceback.format_list([self.configSource])[0])
        ValueError.__init__(self, error)