mirror of https://github.com/django/django.git
Refactored comment templatetags to remove redundant 'tag_name' parameter. Also added an 'extra_kwargs' hook to CommentListNode
git-svn-id: http://code.djangoproject.com/svn/django/trunk@578 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty
parent
e1f0accaf6
commit
5569c75eb6
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@ -128,11 +128,12 @@ class CommentCountNode(template.Node):
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return ''
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class CommentListNode(template.Node):
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def __init__(self, package, module, context_var_name, obj_id, var_name, free, ordering):
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def __init__(self, package, module, context_var_name, obj_id, var_name, free, ordering, extra_kwargs=None):
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self.package, self.module = package, module
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self.context_var_name, self.obj_id = context_var_name, obj_id
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self.var_name, self.free = var_name, free
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self.ordering = ordering
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self.extra_kwargs = extra_kwargs or {}
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def render(self, context):
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from django.conf.settings import COMMENTS_BANNED_USERS_GROUP, SITE_ID
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@ -150,6 +151,7 @@ class CommentListNode(template.Node):
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'select_related': True,
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'order_by': (self.ordering + 'submit_date',),
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}
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kwargs.update(self.extra_kwargs)
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if not self.free and COMMENTS_BANNED_USERS_GROUP:
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kwargs['select'] = {'is_hidden': 'user_id IN (SELECT user_id FROM auth_users_groups WHERE group_id = %s)' % COMMENTS_BANNED_USERS_GROUP}
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comment_list = get_list_function(**kwargs)
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@ -182,64 +184,64 @@ class DoCommentForm:
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``[context_var_containing_obj_id]`` can be a hard-coded integer or a variable containing the ID.
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"""
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def __init__(self, free, tag_name):
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self.free, self.tag_name = free, tag_name
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def __init__(self, free):
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self.free = free
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def __call__(self, parser, token):
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tokens = token.contents.split()
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if len(tokens) < 4:
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raise template.TemplateSyntaxError, "'%s' tag requires at least 3 arguments" % self.tag_name
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raise template.TemplateSyntaxError, "%r tag requires at least 3 arguments" % tokens[0]
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if tokens[1] != 'for':
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raise template.TemplateSyntaxError, "Second argument in '%s' tag must be 'for'" % self.tag_name
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raise template.TemplateSyntaxError, "Second argument in %r tag must be 'for'" % tokens[0]
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try:
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package, module = tokens[2].split('.')
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except ValueError: # unpack list of wrong size
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raise template.TemplateSyntaxError, "Third argument in '%s' tag must be in the format 'package.module'" % self.tag_name
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raise template.TemplateSyntaxError, "Third argument in %r tag must be in the format 'package.module'" % tokens[0]
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try:
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content_type = contenttypes.get_object(package__label__exact=package, python_module_name__exact=module)
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except contenttypes.ContentTypeDoesNotExist:
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raise template.TemplateSyntaxError, "'%s' tag has invalid content-type '%s.%s'" % (self.tag_name, package, module)
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raise template.TemplateSyntaxError, "%r tag has invalid content-type '%s.%s'" % (tokens[0], package, module)
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obj_id_lookup_var, obj_id = None, None
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if tokens[3].isdigit():
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obj_id = tokens[3]
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try: # ensure the object ID is valid
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content_type.get_object_for_this_type(pk=obj_id)
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except ObjectDoesNotExist:
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raise template.TemplateSyntaxError, "'%s' tag refers to %s object with ID %s, which doesn't exist" % (self.tag_name, content_type.name, obj_id)
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raise template.TemplateSyntaxError, "%r tag refers to %s object with ID %s, which doesn't exist" % (tokens[0], content_type.name, obj_id)
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else:
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obj_id_lookup_var = tokens[3]
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kwargs = {}
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if len(tokens) > 4:
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if tokens[4] != 'with':
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raise template.TemplateSyntaxError, "Fourth argument in '%s' tag must be 'with'" % self.tag_name
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raise template.TemplateSyntaxError, "Fourth argument in %r tag must be 'with'" % tokens[0]
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for option, args in zip(tokens[5::2], tokens[6::2]):
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if option in ('photos_optional', 'photos_required') and not self.free:
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# VALIDATION ##############################################
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option_list = args.split(',')
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if len(option_list) % 3 != 0:
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raise template.TemplateSyntaxError, "Incorrect number of comma-separated arguments to '%s' tag" % self.tag_name
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raise template.TemplateSyntaxError, "Incorrect number of comma-separated arguments to %r tag" % tokens[0]
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for opt in option_list[::3]:
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if not opt.isalnum():
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raise template.TemplateSyntaxError, "Invalid photo directory name in '%s' tag: '%s'" % (self.tag_name, opt)
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raise template.TemplateSyntaxError, "Invalid photo directory name in %r tag: '%s'" % (tokens[0], opt)
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for opt in option_list[1::3] + option_list[2::3]:
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if not opt.isdigit() or not (comments.MIN_PHOTO_DIMENSION <= int(opt) <= comments.MAX_PHOTO_DIMENSION):
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raise template.TemplateSyntaxError, "Invalid photo dimension in '%s' tag: '%s'. Only values between %s and %s are allowed." % (self.tag_name, opt, comments.MIN_PHOTO_DIMENSION, comments.MAX_PHOTO_DIMENSION)
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raise template.TemplateSyntaxError, "Invalid photo dimension in %r tag: '%s'. Only values between %s and %s are allowed." % (tokens[0], opt, comments.MIN_PHOTO_DIMENSION, comments.MAX_PHOTO_DIMENSION)
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# VALIDATION ENDS #########################################
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kwargs[option] = True
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kwargs['photo_options'] = args
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elif option in ('ratings_optional', 'ratings_required') and not self.free:
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# VALIDATION ##############################################
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if 2 < len(args.split('|')) > 9:
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raise template.TemplateSyntaxError, "Incorrect number of '%s' options in '%s' tag. Use between 2 and 8." % (option, self.tag_name)
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raise template.TemplateSyntaxError, "Incorrect number of '%s' options in %r tag. Use between 2 and 8." % (option, tokens[0])
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if re.match('^scale:\d+\-\d+\:$', args.split('|')[0]):
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raise template.TemplateSyntaxError, "Invalid 'scale' in '%s' tag's '%s' options" % (self.tag_name, option)
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raise template.TemplateSyntaxError, "Invalid 'scale' in %r tag's '%s' options" % (tokens[0], option)
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# VALIDATION ENDS #########################################
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kwargs[option] = True
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kwargs['rating_options'] = args
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elif option in ('is_public'):
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kwargs[option] = (args == 'true')
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else:
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raise template.TemplateSyntaxError, "'%s' tag got invalid parameter '%s'" % (self.tag_name, option)
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raise template.TemplateSyntaxError, "%r tag got invalid parameter '%s'" % (tokens[0], option)
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return CommentFormNode(content_type, obj_id_lookup_var, obj_id, self.free, **kwargs)
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class DoCommentCount:
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@ -260,36 +262,36 @@ class DoCommentCount:
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{% get_comment_count for lcom.eventtimes 23 as comment_count %}
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"""
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def __init__(self, free, tag_name):
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self.free, self.tag_name = free, tag_name
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def __init__(self, free):
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self.free = free
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def __call__(self, parser, token):
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tokens = token.contents.split()
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# Now tokens is a list like this:
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# ['get_comment_list', 'for', 'lcom.eventtimes', 'event.id', 'as', 'comment_list']
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if len(tokens) != 6:
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raise template.TemplateSyntaxError, "%s block tag requires 5 arguments" % self.tag_name
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raise template.TemplateSyntaxError, "%r tag requires 5 arguments" % tokens[0]
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if tokens[1] != 'for':
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raise template.TemplateSyntaxError, "Second argument in '%s' tag must be 'for'" % self.tag_name
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raise template.TemplateSyntaxError, "Second argument in %r tag must be 'for'" % tokens[0]
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try:
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package, module = tokens[2].split('.')
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except ValueError: # unpack list of wrong size
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raise template.TemplateSyntaxError, "Third argument in '%s' tag must be in the format 'package.module'" % self.tag_name
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raise template.TemplateSyntaxError, "Third argument in %r tag must be in the format 'package.module'" % tokens[0]
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try:
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content_type = contenttypes.get_object(package__label__exact=package, python_module_name__exact=module)
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except contenttypes.ContentTypeDoesNotExist:
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raise template.TemplateSyntaxError, "'%s' tag has invalid content-type '%s.%s'" % (self.tag_name, package, module)
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raise template.TemplateSyntaxError, "%r tag has invalid content-type '%s.%s'" % (tokens[0], package, module)
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var_name, obj_id = None, None
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if tokens[3].isdigit():
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obj_id = tokens[3]
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try: # ensure the object ID is valid
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content_type.get_object_for_this_type(pk=obj_id)
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except ObjectDoesNotExist:
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raise template.TemplateSyntaxError, "'%s' tag refers to %s object with ID %s, which doesn't exist" % (self.tag_name, content_type.name, obj_id)
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raise template.TemplateSyntaxError, "%r tag refers to %s object with ID %s, which doesn't exist" % (tokens[0], content_type.name, obj_id)
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else:
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var_name = tokens[3]
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if tokens[4] != 'as':
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raise template.TemplateSyntaxError, "Fourth argument in '%s' must be 'as'" % self.tag_name
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raise template.TemplateSyntaxError, "Fourth argument in %r must be 'as'" % tokens[0]
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return CommentCountNode(package, module, var_name, obj_id, tokens[5], self.free)
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class DoGetCommentList:
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@ -315,49 +317,49 @@ class DoGetCommentList:
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{% get_comment_list for lcom.eventtimes event.id as comment_list reversed %}
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"""
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def __init__(self, free, tag_name):
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self.free, self.tag_name = free, tag_name
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def __init__(self, free):
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self.free = free
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def __call__(self, parser, token):
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tokens = token.contents.split()
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# Now tokens is a list like this:
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# ['get_comment_list', 'for', 'lcom.eventtimes', 'event.id', 'as', 'comment_list']
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if not 6 <= len(tokens) <= 7:
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raise template.TemplateSyntaxError, "%s block tag requires 5 or 6 arguments" % self.tag_name
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if not len(tokens) in (6, 7):
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raise template.TemplateSyntaxError, "%r tag requires 5 or 6 arguments" % tokens[0]
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if tokens[1] != 'for':
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raise template.TemplateSyntaxError, "Second argument in '%s' tag must be 'for'" % self.tag_name
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raise template.TemplateSyntaxError, "Second argument in %r tag must be 'for'" % tokens[0]
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try:
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package, module = tokens[2].split('.')
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except ValueError: # unpack list of wrong size
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raise template.TemplateSyntaxError, "Third argument in '%s' tag must be in the format 'package.module'" % self.tag_name
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raise template.TemplateSyntaxError, "Third argument in %r tag must be in the format 'package.module'" % tokens[0]
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try:
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content_type = contenttypes.get_object(package__label__exact=package, python_module_name__exact=module)
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except contenttypes.ContentTypeDoesNotExist:
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raise template.TemplateSyntaxError, "'%s' tag has invalid content-type '%s.%s'" % (self.tag_name, package, module)
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raise template.TemplateSyntaxError, "%r tag has invalid content-type '%s.%s'" % (tokens[0], package, module)
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var_name, obj_id = None, None
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if tokens[3].isdigit():
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obj_id = tokens[3]
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try: # ensure the object ID is valid
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content_type.get_object_for_this_type(pk=obj_id)
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except ObjectDoesNotExist:
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raise template.TemplateSyntaxError, "'%s' tag refers to %s object with ID %s, which doesn't exist" % (self.tag_name, content_type.name, obj_id)
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raise template.TemplateSyntaxError, "%r tag refers to %s object with ID %s, which doesn't exist" % (tokens[0], content_type.name, obj_id)
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else:
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var_name = tokens[3]
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if tokens[4] != 'as':
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raise template.TemplateSyntaxError, "Fourth argument in '%s' must be 'as'" % self.tag_name
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raise template.TemplateSyntaxError, "Fourth argument in %r must be 'as'" % tokens[0]
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if len(tokens) == 7:
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if tokens[6] != 'reversed':
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raise template.TemplateSyntaxError, "Final argument in '%s' must be 'reversed' if given" % self.tag_name
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raise template.TemplateSyntaxError, "Final argument in %r must be 'reversed' if given" % tokens[0]
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ordering = "-"
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else:
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ordering = ""
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return CommentListNode(package, module, var_name, obj_id, tokens[5], self.free, ordering)
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# registration comments
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template.register_tag('get_comment_list', DoGetCommentList(free=False, tag_name='get_comment_list'))
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template.register_tag('comment_form', DoCommentForm(free=False, tag_name='comment_form'))
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template.register_tag('get_comment_count', DoCommentCount(free=False, tag_name='get_comment_count'))
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template.register_tag('get_comment_list', DoGetCommentList(False))
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template.register_tag('comment_form', DoCommentForm(False))
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template.register_tag('get_comment_count', DoCommentCount(False))
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# free comments
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template.register_tag('get_free_comment_list', DoGetCommentList(free=True, tag_name='get_free_comment_list'))
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template.register_tag('free_comment_form', DoCommentForm(free=True, tag_name='free_comment_form'))
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template.register_tag('get_free_comment_count', DoCommentCount(free=True, tag_name='get_free_comment_count'))
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template.register_tag('get_free_comment_list', DoGetCommentList(True))
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template.register_tag('free_comment_form', DoCommentForm(True))
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template.register_tag('get_free_comment_count', DoCommentCount(True))
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