def validate(self, fieldname, value):
"""
@raise FieldValidationError: If required and value is None or
if value is not a float.
"""
if not self.required and value == None:
return
if self.required and value == None or not isinstance(value, float):
raise FieldValidationError(fieldname, value,
N_("must be a floating-point number"))
def validate(self, fieldname, value):
"""
@raise FieldValidationError: If required and value is None
or if value is not an instance of datetime.datetime.
"""
if not self.required and value == None:
return
if not isinstance(value, datetime.datetime):
raise FieldValidationError(
fieldname, value, N_("must be a datetime.datetime object"))
def validate(self, fieldname, value):
"""
@raise FieldValidationError: If value is not a str or
if the field is required and value == None.
"""
if not self.required and bool(value) == False:
return
if not isinstance(value, unicode):
raise FieldValidationError(fieldname, value,
N_("must be a unicode string"))
def validate(self, fieldname, value):
"""
@raise FieldValidationError: If required and value is None or
if value is not an int or long.
"""
if not self.required and value == None:
return
if self.required and value == None or not \
(isinstance(value, int) or isinstance(value, long)):
raise FieldValidationError(fieldname, value,
N_("must be a whole number"))
def validate(self, fieldname, value):
"""
@raise FieldValidationError: If value is not unicode,
if value contains more or less than the allowed
number of characters, or if the field is required
and value == None.
"""
if not self.required and bool(value) == False:
return
if isinstance(value, unicode):
l = len(value)
if l < self.minlength:
err = N_("to few characters")
elif l > self.maxlength:
err = N_("to many characters")
else:
return
else:
err = N_("must be a unicode string")
raise FieldValidationError(fieldname, value, err)
def validate(self, fieldname, value):
if not self.required and value == None:
return
if self.required and value == None or not isinstance(value, int):
raise FieldValidationError(fieldname, value,
N_("must be a whole number"))
def validate(self, fieldname, value):
if not self.required and value == None:
return
if self.required and value == None or not isinstance(value, bool):
raise FieldValidationError(fieldname, value,
N_("must be boolean (True or False)"))
class IdString(RegString):
""" A String field only allowed to contain a-z, 0-9, '-' and '_'. """
PATT = re.compile("^[a-z0-9_-]+$")
ERRMSG = N_("can only contain lower-case english letters (a-z), "\
"numbers (0-9), '_' and '-'.")
WEIGHT = 100