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# Authors: Rob Crittenden <rcritten@redhat.com>
#
# Copyright (C) 2007 Red Hat
# see file 'COPYING' for use and warranty information
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; version 2 or later
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
import re
def Email(mail, notEmpty=True):
"""Do some basic validation of an e-mail address.
Return 0 if ok
Return 1 if not
If notEmpty is True the this will return an error if the field
is "" or None.
"""
usernameRE = re.compile(r"^[^ \t\n\r@<>()]+$", re.I)
domainRE = re.compile(r"^[a-z0-9][a-z0-9\.\-_]*\.[a-z]+$", re.I)
if not mail or mail is None:
if notEmpty is True:
return 1
else:
return 0
mail = mail.strip()
s = mail.split('@', 1)
try:
username, domain=s
except ValueError:
return 1
if not usernameRE.search(username):
return 1
if not domainRE.search(domain):
return 1
return 0
def Plain(text, notEmpty=False, allowSpaces=True):
"""Do some basic validation of a plain text field
Return 0 if ok
Return 1 if not
If notEmpty is True the this will return an error if the field
is "" or None.
"""
if (text is None) or (not text.strip()):
if notEmpty is True:
return 1
else:
return 0
if allowSpaces:
textRE = re.compile(r"^[a-zA-Z_\-0-9\'\ ]*$")
else:
textRE = re.compile(r"^[a-zA-Z_\-0-9\']*$")
if not textRE.search(text):
return 1
return 0
def String(text, notEmpty=False):
"""A string type. This is much looser in what it allows than plain"""
if text is None or not text.strip():
if notEmpty is True:
return 1
else:
return 0
return 0
def Path(text, notEmpty=False):
"""Do some basic validation of a path
Return 0 if ok
Return 1 if not
If notEmpty is True the this will return an error if the field
is "" or None.
"""
textRE = re.compile(r"^[a-zA-Z_\-0-9\\ \.\/\\:]*$")
if not text and notEmpty is True:
return 1
if text is None:
if notEmpty is True:
return 1
else:
return 0
if not textRE.search(text):
return 1
return 0
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