from django.core.exceptions import ValidationError
from django.core.validators import URLValidator
def validate_url(value):
url_validator = URLValidator()
reg_val = value
if "http" in reg_val:
new_value = reg_val
else:
new_value = 'http://' + value
try:
url_validator(new_value)
except:
raise ValidationError("Invalid URL for this field")
return new_value
def validate_dot_com(value):
if not "com" in value:
raise ValidationError("This is not valid because of no .com")
return value