1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
#!/usr/bin/env python3
# encoding: utf-8
"""
PrintfSafeFilter.py
Created by Graham Dennis on 2007-09-23.
Copyright (c) 2007-2012, Graham Dennis
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, either version 2 of the License, or
(at your option) any later version.
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, see <http://www.gnu.org/licenses/>.
"""
from Cheetah.Filters import Filter
class PrintfSafeFilter(Filter):
"""Escape C string and format string entities in $placeholders
"""
def filter(self, val, **kw):
s = super(PrintfSafeFilter, self).filter(val, **kw)
s = s.replace("\\", "\\\\") # Escape single backslashes
s = s.replace("%", "%%") # Escape format-string specifiers
s = s.replace("\"", "\\\"") # Escape double-quotes
# We're done
return s
|
