Issue 6701 - Implement CSP support in python-abp

abp/filters/parser.py

 # This file is part of Adblock Plus <https://adblockplus.org/>,
 # Copyright (C) 2006-present eyeo GmbH
 #
 # Adblock Plus is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 3 as
 # published by the Free Software Foundation.
 #
 # Adblock Plus 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
@@ skipping 154 matching lines @@
 
 
 def _parse_instruction(text):
     match = INCLUDE_REGEXP.match(text)
     if not match:
         raise ParseError('Unrecognized instruction', text)
     return Include(match.group(1))
 
 
 def _parse_option(option):
+    if '=' in option:
+        return option.split('=', 1)
     if option.startswith('~'):
         return option[1:], False
-    if '=' in option:
-        return option.split('=', 1)
     return option, True
 
 
 def _parse_filter_option(option):
     name, value = _parse_option(option)
 
     # Handle special cases of multivalued options.
     if name == FILTER_OPTION.DOMAIN:
         value = [_parse_option(o) for o in value.split('|')]
     elif name == FILTER_OPTION.SITEKEY:
@@ skipping 124 matching lines @@
     Raises
     ------
     ParseError
         Thrown during iteration for invalid filter list lines.
     TypeError
         If `lines` is not iterable.
 
     """
     for line in lines:
         yield parse_line(line)