Noissue - Replace flake8-putty with flake8-per-file-ignores, update to flake8 3 (sitescripts)

sitescripts/utils.py

 # This file is part of the Adblock Plus web scripts,
 # 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 124 matching lines @@
     match = re.search(r'^([^@\s]+)@([^@\s]+)$', email)
     if not match:
         raise ValueError
 
     try:
         return email.encode('ascii')
     except UnicodeEncodeError:
         return '%s@%s' % (match.group(1).encode('ascii'),
                           match.group(2).encode('idna'))
 
+
 _template_cache = {}
 
 
 def get_template(template, autoescape=True, template_path=siteScriptsPath):
     """Load Jinja2 template.
 
     If `template` is a relative path, it's looked up inside `template_path`.
     If it's an absolute path, `template_path` is not used.
 
     Note: Each template will only be loaded once (when first requested). After
@@ skipping 44 matching lines @@
       Returns a custom Jinja2 template environment with additional filters.
     """
     from sitescripts.templateFilters import filters
     import jinja2
     if not loader:
         loader = jinja2.FileSystemLoader(siteScriptsPath)
     env = jinja2.Environment(loader=loader, autoescape=True)
     env.filters.update(filters)
     env.filters.update(additional_filters)
     return env