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# Patchwork - automated patch tracking system
# Copyright (C) 2008 Jeremy Kerr <jk@ozlabs.org>
#
# This file is part of the Patchwork package.
#
# Patchwork 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.
#
# Patchwork 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 Patchwork; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from django import template
from django.utils.html import escape
from django.utils.safestring import mark_safe
from django.utils.encoding import smart_str
from patchwork.filters import filterclasses
from django.conf import settings
from django.core.urlresolvers import reverse, NoReverseMatch
import re
register = template.Library()
# params to preserve across views
list_params = [ c.param for c in filterclasses ] + ['order', 'page']
class ListURLNode(template.defaulttags.URLNode):
def __init__(self, kwargs):
super(ListURLNode, self).__init__(None, [], {}, False)
self.params = {}
for (k, v) in kwargs.iteritems():
if k in list_params:
self.params[k] = v
def render(self, context):
view_name = template.Variable('list_view.view').resolve(context)
kwargs = template.Variable('list_view.view_params') \
.resolve(context)
str = None
try:
str = reverse(view_name, args=[], kwargs=kwargs)
except NoReverseMatch:
try:
project_name = settings.SETTINGS_MODULE.split('.')[0]
str = reverse(project_name + '.' + view_name,
args=[], kwargs=kwargs)
except NoReverseMatch:
raise
if str is None:
return ''
params = []
try:
qs_var = template.Variable('list_view.params')
params = dict(qs_var.resolve(context))
except Exception:
pass
for (k, v) in self.params.iteritems():
params[smart_str(k,'ascii')] = v.resolve(context)
if not params:
return str
return str + '?' + '&'.join(['%s=%s' % (k, escape(v)) \
for (k, v) in params.iteritems()])
@register.tag
def listurl(parser, token):
bits = token.contents.split(' ', 1)
if len(bits) < 1:
raise TemplateSyntaxError("'%s' takes at least one argument"
" (path to a view)" % bits[0])
kwargs = {}
if len(bits) > 1:
for arg in bits[1].split(','):
if '=' in arg:
k, v = arg.split('=', 1)
k = k.strip()
kwargs[k] = parser.compile_filter(v)
else:
raise TemplateSyntaxError("'%s' requires name=value params" \
% bits[0])
return ListURLNode(kwargs)
class ListFieldsNode(template.Node):
def __init__(self, params):
self.params = params
def render(self, context):
self.view_name = template.Variable('list_view.view').resolve(context)
try:
qs_var = template.Variable('list_view.params')
params = dict(qs_var.resolve(context))
except Exception:
pass
params.update(self.params)
if not params:
return ''
str = ''
for (k, v) in params.iteritems():
str += '<input type="hidden" name="%s" value="%s"\>' % \
(k, escape(v))
return mark_safe(str)
@register.tag
def listfields(parser, token):
bits = token.contents.split(' ', 1)
if len(bits) < 1:
raise TemplateSyntaxError("'%s' takes at least one argument"
" (path to a view)" % bits[0])
params = {}
if len(bits) > 2:
for arg in bits[2].split(','):
if '=' in arg:
k, v = arg.split('=', 1)
k = k.strip()
params[k] = parser.compile_filter(v)
else:
raise TemplateSyntaxError("'%s' requires name=value params" \
% bits[0])
return ListFieldsNode(bits[1], params)
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