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# Natural Language Toolkit: Shoebox Errors
#
# Copyright (C) 2001-2006 NLTK Project
# Author: Stuart Robinson <Stuart.Robinson@mpi.nl>
# URL: <http://www.nltk.org/>
# For license information, see LICENSE.TXT
"""
This module provides Shoebox exceptions.
"""
# ---------------------------------------------------------------------
# CLASS: ShoeboxError
# DESC: ???
# ---------------------------------------------------------------------
class ShoeboxError(Exception):
"""
This is the base class for all Shoebox errors.
"""
def __init__(self):
self._msg = ""
# ---------------------------------------------
# CLASS: ValidationError
# DESC: ???
# ---------------------------------------------
class NonUniqueEntryError(ShoeboxError):
"""
???
"""
def __init__(self) :
pass
class ValidationError(ShoeboxError):
def __init__(self):
pass
def setField(self, field):
self._field = field
def getField(self):
return self._field
# ---------------------------------------------
# CLASS: NoMetadataFound
# DESC: ???
# ---------------------------------------------
class NoMetadataFound(ValidationError):
def __init__(self, field):
self._field = field
class FieldError(ShoeboxError):
def __init__(self):
pass
def __str__(self) :
return self.get_message()
class NonUniqueFieldError(FieldError):
"""
Error raised when an attempt is made to retrieve a unique field which has more than one value
"""
def __init__(self, entry):
self._entry = entry
def setEntry(self, entry):
self._entry = entry
def getEntry(self):
return self._entry
# ---------------------------------------------
# CLASS: BadFieldValue
# DESC: ???
# ---------------------------------------------
class BadFieldValueError(ValidationError, FieldError):
FIELD_VALUE_ERROR_RANGE_SET = '1'
FIELD_VALUE_ERROR_NO_WORD_WRAP = '2'
FIELD_VALUE_ERROR_EMPTY_VALUE = '3'
FIELD_VALUE_ERROR_SINGLE_WORD = '4'
errorTypes = {
'1': "Range Set",
'2': "No Word Wrap",
'3': "Empty Value",
'4': "Single Word"
}
def __init__(self, errorType, entry, field, fmMetadata):
self._entry = entry
self._errorType = errorType
self._field = field
self._fmMetadata = fmMetadata
def __str__(self):
e = self.getEntry()
f = self.getField()
typ = self.getErrorDescription()
s = "'%s' error in '\\%s' field of record %i!\nRecord:\n%s" % (typ, f.getMarker(), e.getNumber(), e.getRawText())
return s
def getFieldMarkerMetadata(self):
return self._fmMetadata
def setFieldMarkerMetadata(self, fmMetadata):
self._fmMetadata = fmMetadata
def getErrorDescription(self):
try:
return self.errorTypes[self.getErrorType()]
except:
return None
def getErrorType(self):
return self._errorType
def setErrorType(self, errorType):
self._errorType = errorType
def getEntry(self):
return self._entry
def setEntry(self, entry):
self._entry = entry
|
