def form_example(self, ctx):
form = formal.Form()
# This actually installs a RequiredValidator for you.
form.addField('required', formal.String(required=True))
# Exactly the same as above, only with a "manually" installed validator.
form.addField('required2', formal.String(validators=[formal.RequiredValidator()]))
# Check for a minimum length, if anything entered.
form.addField('atLeastFiveChars', formal.String(validators=[formal.LengthValidator(min=5)]))
# Check for a minimum length, if anything entered.
form.addField('ipAddress', formal.String(strip=True, validators=[formal.PatternValidator(regex=IP_ADDRESS_PATTERN)]))
# Check for the word 'silly'
form.addField('silly', formal.String(validators=[SillyValidator()]))
# Check age is between 18 and 30
form.addField('ohToBeYoungAgain', formal.Integer(validators=[formal.RangeValidator(min=18, max=30)]))
form.addAction(self.submitted)
return form
def HostValidator():
""" Generate a formal PatternValidator to validate a Hostname """
HOST_PATTERN = '^((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$'
return formal.PatternValidator(regex=HOST_PATTERN)
def IPValidator():
""" Generates a formal PatternValidator to validate an IP address"""
IP_ADDRESS_PATTERN = '^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$'
return formal.PatternValidator(regex=IP_ADDRESS_PATTERN)
def PortValidator():
""" Generates a formal PatternValidator to validate a port is between 0 and 65535 """
PORT_PATTERN = '^(6553[0-5]|655[0-2]\d|65[0-4]\d\d|6[0-4]\d{3}|[1-5]\d{4}|[1-9]\d{0,3}|0)$'
return formal.PatternValidator(regex=PORT_PATTERN)
def IPMaskValidator():
""" Generates a formal PatternValidator to validate a fully qualified CIDR IP address """
IP_ADDRESS_PATTERN = '^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/\d{1,2}$'
return formal.PatternValidator(regex=IP_ADDRESS_PATTERN)