def test_render_non_iterable(self):
model = generate_random_model()
nodelist = NodeList()
nodelist.append(layout_helpers.RenderNextNode("'full_page'"))
node = layout_helpers.RenderIterNode(Variable("list"), nodelist)
with self.assertRaises(TypeError):
rendered = node.render(Context({"list": model}))
def test_render_one_element(self):
model = generate_random_model()
nodelist = NodeList()
nodelist.append(layout_helpers.RenderNextNode("'full_page'"))
node = layout_helpers.RenderIterNode(Variable("list"), nodelist)
rendered = node.render(Context({"list": [model]}))
self.assertTrue(re.search(model.title, rendered))
def render(self, context):
if 'forloop' in context:
parentloop = context['forloop']
else:
parentloop = {}
context.push()
try:
values = self.sequence.resolve(context, True)
except VariableDoesNotExist:
values = []
if values is None:
values = []
if not hasattr(values, '__len__'):
values = list(values)
len_values = len(values)
if len_values < 1:
context.pop()
return self.nodelist_empty.render(context)
nodelist = NodeList()
if self.is_reversed:
values = reversed(values)
unpack = len(self.loopvars) > 1
# Create a forloop value in the context. We'll update counters on each
# iteration just below.
loop_dict = context['forloop'] = {'parentloop': parentloop}
for i, item in enumerate(values):
# Shortcuts for current loop iteration number.
loop_dict['counter0'] = i
loop_dict['counter'] = i+1
# Reverse counter iteration numbers.
loop_dict['revcounter'] = len_values - i
loop_dict['revcounter0'] = len_values - i - 1
# Boolean values designating first and last times through loop.
loop_dict['first'] = (i == 0)
loop_dict['last'] = (i == len_values - 1)
pop_context = False
if unpack:
# If there are multiple loop variables, unpack the item into
# them.
try:
unpacked_vars = dict(zip(self.loopvars, item))
except TypeError:
pass
else:
pop_context = True
context.update(unpacked_vars)
else:
context[self.loopvars[0]] = item
for node in self.nodelist_loop:
nodelist.append(node.render(context))
if pop_context:
# The loop variables were pushed on to the context so pop them
# off again. This is necessary because the tag lets the length
# of loopvars differ to the length of each set of items and we
# don't want to leave any vars from the previous loop on the
# context.
context.pop()
context.pop()
return nodelist.render(context)
def render(self, context):
if 'forloop' in context:
parentloop = context['forloop']
else:
parentloop = {}
context.push()
try:
values = self.sequence.resolve(context, True)
except VariableDoesNotExist:
values = []
if values is None:
values = []
if not hasattr(values, '__len__'):
values = list(values)
len_values = len(values)
if len_values < 1:
context.pop()
return self.nodelist_empty.render(context)
nodelist = NodeList()
if self.is_reversed:
values = reversed(values)
unpack = len(self.loopvars) > 1
# Create a forloop value in the context. We'll update counters on each
# iteration just below.
loop_dict = context['forloop'] = {'parentloop': parentloop}
for i, item in enumerate(values):
# Shortcuts for current loop iteration number.
loop_dict['counter0'] = i
loop_dict['counter'] = i+1
# Reverse counter iteration numbers.
loop_dict['revcounter'] = len_values - i
loop_dict['revcounter0'] = len_values - i - 1
# Boolean values designating first and last times through loop.
loop_dict['first'] = (i == 0)
loop_dict['last'] = (i == len_values - 1)
pop_context = False
if unpack:
# If there are multiple loop variables, unpack the item into
# them.
try:
unpacked_vars = dict(zip(self.loopvars, item))
except TypeError:
pass
else:
pop_context = True
context.update(unpacked_vars)
else:
context[self.loopvars[0]] = item
for node in self.nodelist_loop:
nodelist.append(node.render(context))
if pop_context:
# The loop variables were pushed on to the context so pop them
# off again. This is necessary because the tag lets the length
# of loopvars differ to the length of each set of items and we
# don't want to leave any vars from the previous loop on the
# context.
context.pop()
context.pop()
return nodelist.render(context)
def render(self, context):
nodelist = NodeList()
context.push()
try:
start = self.start.resolve(context)
except VariableDoesNotExist:
return ''
except AttributeError:
start = self.start
try:
end = self.end.resolve(context)
except VariableDoesNotExist:
return ''
except AttributeError:
end = self.end
try:
step = self.step.resolve(context)
except VariableDoesNotExist:
return ''
except AttributeError:
step = self.step
for i in range(start, end, step):
context[self.var_name] = i
for node in self.nodelist_loop:
nodelist.append(node.render(context))
context.pop()
return nodelist.render(context)
def render(self, context):
nodelist = NodeList()
context.push()
try:
start = self.start.resolve(context)
except VariableDoesNotExist:
return ''
except AttributeError:
start = self.start
try:
end = self.end.resolve(context)
except VariableDoesNotExist:
return ''
except AttributeError:
end = self.end
try:
step = self.step.resolve(context)
except VariableDoesNotExist:
return ''
except AttributeError:
step = self.step
for i in xrange(start, end+1, step):
context[self.var_name] = i
for node in self.nodelist_loop:
nodelist.append(node.render(context))
context.pop()
return nodelist.render(context)
def render(self, context):
#resolve cube from context
try:
cube = self.cube.resolve(context, False)
except VariableDoesNotExist:
return ''
#resolve dimensions
dimensions = []
for dimension in self.dimensions:
matched = re.match('(?P<quote>"|\')(?P<literal>\w+)(?P=quote)', dimension)
if matched:
dimensions.append(str(matched.group('literal')))
else:
try:
dimensions.append(str(Variable(dimension).resolve(context)))
except VariableDoesNotExist:
return ''
#loop subcubes and render nodes
nodelist = NodeList()
for subcube in cube.subcubes(*dimensions):
context[self.subcube_var] = subcube
for node in self.nodelist:
nodelist.append(node.render(context))
return nodelist.render(context)
def render (self, context):
nodelist = NodeList ()
for i in range (int(self.value)):
context['percentage'] = {'iter': i}
for node in self.nodelist_loop:
nodelist.append (node.render(context))
return nodelist.render (context)
def __init__(self, loopvars, sequence, is_reversed, nodelist_loop, nodelist_empty=None):
self.loopvars, self.sequence = loopvars, sequence
self.is_reversed = is_reversed
self.nodelist_loop = nodelist_loop
if nodelist_empty is None:
self.nodelist_empty = NodeList()
else:
self.nodelist_empty = nodelist_empty
def render(self, context):
if (type(self.value) == StringType):
context[self.key] = self.value
else:
nodelist = NodeList()
for node in self.value:
nodelist.append(node.render(context))
context[self.key] = nodelist.render(context)
return ""
def __init__(self, loopvars_list, sequence_list, is_reversed_list,
nodelist_loop, nodelist_empty=None, zip_func=None):
self.loopvars_list, self.sequence_list = loopvars_list, sequence_list
self.is_reversed_list = is_reversed_list
self.nodelist_loop = nodelist_loop
if nodelist_empty is None:
self.nodelist_empty = NodeList()
else:
self.nodelist_empty = nodelist_empty
self.zip_func = zip_func
def do_render(self, context, sequence):
nodelist = NodeList()
context.push()
for item in sequence:
context[self.repeatvar.token] = item
for node in self.nodelist:
nodelist.append(node.render(context))
context.pop()
return nodelist.render(context)
def render_mixers(self, context):
nodelist = NodeList()
inner_nodelist = self.inner_nodelist
context.push()
for mixer in self.mixers:
context['mixer'] = mixer.template.render(context)
nodelist.append(inner_nodelist.render(context))
context.pop()
return nodelist.render(context)
def render_mixers(self, context):
nodelist = NodeList()
inner_nodelist = self.inner_nodelist
context.push()
for mixer in self.mixers:
context['mixer'] = mixer.template.render(context)
nodelist.append(inner_nodelist.render(context))
context.pop()
return nodelist.render(context)
def labjs(parser, token):
"""
Renders a labjs queue from linked js.
Syntax::
{% labjs %}
<html of linked JS>
{% endlabjs %}
Examples::
{% labjs %}
<script
type="text/javascript"
src="{{ STATIC_URL }}js/jquery-1.5.2.min.js">
</script>
{% wait %}
<script
type="text/javascript"
src="{{ STATIC_URL }}js/jquery.formset.min.js">
</script>
<script
type="text/javascript"
src="{% url django.views.i18n.javascript_catalog %}">
</script>
{% endlabjs %}
Which would be rendered something like::
<script type="text/javascript">
$LAB.queueScript("/static/js/jquery-1.5.2.min.js")
.queueScript("/static/js/jquery.formset.min.js")
.queueScript("/jsi18n/");
</script>
"""
nodelist = NodeList()
while True:
chunk = parser.parse(('endlabjs', 'wait'))
ptoken = parser.next_token()
if ptoken.contents == 'wait':
chunk.append(Wait())
nodelist.extend(chunk)
elif ptoken.contents == 'endlabjs':
nodelist.extend(chunk)
break
return LabjsNode(nodelist)
def test_render_multiple_elements_with_extra_nexts(self):
models = [generate_random_model() for i in range(2)]
nodelist = NodeList()
nodelist.append(layout_helpers.RenderNextNode("'full_page'"))
nodelist.append(layout_helpers.RenderNextNode("'full_page'"))
nodelist.append(layout_helpers.RenderNextNode("'show_request'"))
nodelist.append(layout_helpers.RenderNextNode("'show_request'"))
node = layout_helpers.RenderIterNode(Variable("list"), nodelist)
rendered = node.render(Context({"list": models}))
self.assertTrue(re.search(models[0].title, rendered))
self.assertTrue(re.search(models[1].title, rendered))
self.assertFalse(re.search('request', rendered))
def render(self, context, depth=0, values=False):
nodelist = NodeList()
if 'recurseloop' in context:
parentloop = context['recurseloop']
else:
parentloop = {}
context.push()
# On the first recursion pass, we have no values
if not values:
try:
values = self.sequence.resolve(context, True)
except VariableDoesNotExist:
values = []
if values is None:
values = []
if not hasattr(values, '__len__'):
values = list(values)
len_values = len(values)
# Create a recurseloop value in the context. We'll update counters on each iteration just below.
loop_dict = context['recurseloop'] = {'parent': parentloop}
loop_dict['depth'] = depth + 1
loop_dict['depth0'] = depth
for i, item in enumerate(values):
# Add the additional arguments to the context
# They come in the form of {'name':(initial,increment)}
# As for now only numbers are supported, but also strings can be multiplied
for k, v in self.kwargs.iteritems():
context[k] = v[0] + v[1] * depth
# Shortcuts for current loop iteration number.
loop_dict['counter0'] = i
loop_dict['counter'] = i + 1
# Boolean values designating first and last times through loop.
loop_dict['first'] = (i == 0)
loop_dict['last'] = (i == len_values - 1)
context[self.loopvar] = item
for node in self.nodelist_first:
nodelist.append(node.render(context))
if len(getattr(item, self.children_name)):
nodelist.append(
self.render(context, depth + 1,
getattr(item, self.children_name)))
for node in self.nodelist_second:
nodelist.append(node.render(context))
context.pop()
return nodelist.render(context)
def __init__(self, name, nodelist, parent=None, check_node=None):
self.name, self.nodelist, self.parent = name, nodelist, parent
self.original_nodelist = NodeList()
self.final_nodelist = NodeList()
self.original_nodelist.extend( self.nodelist )
self.final_nodelist.extend( self.nodelist )
self.check_node = check_node
self.index = None
for i, node in enumerate( nodelist ):
if isinstance(node, self.check_node.__class__):
if node.filter_expression.token == self.check_node.filter_expression.token:
self.index = i
break
def render(self, context):
nodelist = NodeList()
if 'forloop' in context:
parentloop = context['forloop']
else:
parentloop = {}
context.push()
try:
values = self.sequence.resolve(context, True)
except VariableDoesNotExist:
values = []
if values is None:
values = []
if not hasattr(values, '__len__'):
values = list(values)
len_values = len(values)
if self.reversed:
values = reversed(values)
unpack = len(self.loopvars) > 1
for i, item in enumerate(values):
context['forloop'] = {
# Shortcuts for current loop iteration number.
'counter0': i,
'counter': i+1,
# Reverse counter iteration numbers.
'revcounter': len_values - i,
'revcounter0': len_values - i - 1,
# Boolean values designating first and last times through loop.
'first': (i == 0),
'last': (i == len_values - 1),
'parentloop': parentloop,
}
if unpack:
# If there are multiple loop variables, unpack the item into
# them.
context.update(dict(zip(self.loopvars, item)))
else:
context[self.loopvars[0]] = item
for node in self.nodelist_loop:
nodelist.append(node.render(context))
if unpack:
# The loop variables were pushed on to the context so pop them
# off again. This is necessary because the tag lets the length
# of loopvars differ to the length of each set of items and we
# don't want to leave any vars from the previous loop on the
# context.
context.pop()
context.pop()
return nodelist.render(context)
def test_state_is_not_set_for_poll_box_in_first_of_double_renders(self):
settings.DOUBLE_RENDER = True
user = User.objects.create(username='******')
Vote.objects.create(poll=self.poll, user=user)
box = Poll.box_class(self.poll, 'name', NodeList())
box.prepare(Context({'request': build_request(user=user)}))
tools.assert_equals(None, box.state)
def do_if(parser, token):
"""
Template tag {% pyif %}
Supports:
1. ==, !=
2. not ....
3. v in (1,"y",z)
4. <=, <, >=, >
5. nesting (True and (False or (True or False)))
How to use it:
{% pyif i == 1 or (5 >= i and i != 7) and user.first_name in ('John', 'Jacob') %}
{% else %}
{% endif %}
"""
bits = token.contents.split(None, 1)
if len(bits) != 2:
raise TemplateSyntaxError, "'%' statement requires at least one argument" % TAGNAME
expression = bits[1]
variables = set([
parser.compile_filter(x) for x in variable_re.findall(expression)
if x not in ('and', 'or', 'not', 'in') and not string_re.match(x)
])
nodelist_true = parser.parse(('else', 'endif'))
token = parser.next_token()
if token.contents == 'else':
nodelist_false = parser.parse(('endif', ))
parser.delete_first_token()
else:
nodelist_false = NodeList()
return IfNode(expression, variables, nodelist_true, nodelist_false)
class ThumbnailNode(ThumbnailNodeBase):
child_nodelists = ('nodelist_file', 'nodelist_empty')
error_msg = ('Syntax error. Expected: ``thumbnail source geometry '
'[key1=val1 key2=val2...] as var``')
def __init__(self, parser, token):
bits = token.split_contents()
if len(bits) < 5 or bits[-2] != 'as':
raise TemplateSyntaxError(self.error_msg)
self.file_ = parser.compile_filter(bits[1])
self.geometry = parser.compile_filter(bits[2])
self.options = []
for bit in bits[3:-2]:
m = kw_pat.match(bit)
if not m:
raise TemplateSyntaxError(self.error_msg)
key = smart_str(m.group('key'))
expr = parser.compile_filter(m.group('value'))
self.options.append((key, expr))
self.as_var = bits[-1]
self.nodelist_file = parser.parse(('empty', 'endthumbnail',))
if parser.next_token().contents == 'empty':
self.nodelist_empty = parser.parse(('endthumbnail',))
parser.delete_first_token()
else:
self.nodelist_empty = NodeList()
def _render(self, context):
file_ = self.file_.resolve(context)
geometry = self.geometry.resolve(context)
options = {}
for key, expr in self.options:
noresolve = {'True': True, 'False': False, 'None': None}
value = noresolve.get(unicode(expr), expr.resolve(context))
if key == 'options':
options.update(value)
else:
options[key] = value
if settings.THUMBNAIL_DUMMY:
thumbnail = DummyImageFile(geometry)
elif file_:
thumbnail = default.backend.get_thumbnail(
file_, geometry, **options
)
else:
return self.nodelist_empty.render(context)
context.push()
context[self.as_var] = thumbnail
output = self.nodelist_file.render(context)
context.pop()
return output
def __repr__(self):
return "<ThumbnailNode>"
def __iter__(self):
for node in self.nodelist_file:
yield node
for node in self.nodelist_empty:
yield node
def if_time(parser, token):
bits = list(token.split_contents())
tag_name = bits[0]
if tag_name.endswith('since'):
future = False
elif tag_name.endswith('until'):
future = True
if len(bits) != 4:
raise TemplateSyntaxError("%r takes three arguments" % tag_name)
end_tag = 'end' + tag_name
nodelist_true = parser.parse(('else', end_tag))
token = parser.next_token()
if token.contents == 'else':
nodelist_false = parser.parse((end_tag, ))
parser.delete_first_token()
else:
nodelist_false = NodeList()
parser.delete_first_token()
try:
time_int, time_unit = int(bits[3][:-1]), bits[3][-1]
except ValueError:
raise TemplateSyntaxError("Invalid argument '%s'" % bits[3])
if time_unit not in 'smhd':
raise TemplateSyntaxError("Invalid argument '%s'" % bits[3])
return TimeNode(nodelist_true,
nodelist_false,
future=future,
time=bits[1],
operator=bits[2],
elapsed=time_int,
unit=time_unit)
def do_if_user_is_following(parser, token):
"""
same syntax as if/else/endif. if the current user
is following the specified object (provided as the first
argument) then the 'true' block is evaluated, otherwise
the false or else block is evaluated.
"""
bits = token.contents.split()
if len(bits) != 2:
raise TemplateSyntaxError, "'if_user_is_following' statement requires one argument [model object]"
model_object_var = bits[1]
nodelist_true = parser.parse(('else', 'endif'))
token = parser.next_token()
if token.contents == 'else':
nodelist_false = parser.parse(('endif',))
parser.delete_first_token()
else:
nodelist_false = NodeList()
b = lambda context : Follow.objects.filter(
user=Variable("request.user").resolve(context),
object_id=Variable(model_object_var).resolve(context).pk,
content_type=ContentType.objects.get_for_model(Variable(model_object_var).resolve(context))
).exists()
return BooleanNode(b, nodelist_true, nodelist_false)
def do_ifstartswith(parser, token):
"""
Outputs the contents of the block if the two arguments equal each other.
Examples::
{% ifstartswith haystack needle %}
...
{% endifstartswith %}
{% ifstartswith haystack needle %}
...
{% else %}
...
{% endifstartswith %}
"""
bits = list(token.split_contents())
if len(bits) != 3:
raise TemplateSyntaxError, "%r takes two arguments" % bits[0]
end_tag = 'end' + bits[0]
nodelist_true = parser.parse(('else', end_tag))
token = parser.next_token()
if token.contents == 'else':
nodelist_false = parser.parse((end_tag, ))
parser.delete_first_token()
else:
nodelist_false = NodeList()
val1 = parser.compile_filter(bits[1])
val2 = parser.compile_filter(bits[2])
return IfStartsWithNode(val1, val2, nodelist_true, nodelist_false)
def test_extends_node_repr(self):
extends_node = ExtendsNode(
nodelist=NodeList([]),
parent_name=Node(),
template_dirs=[],
)
self.assertEqual(repr(extends_node), "<ExtendsNode: extends None>")
def timelimit(parser, token):
"""Used to guard section with a timeout:
{% timelimit 0.05 %}
<p>No timeout occurred</p>
{% sleep 0.5 %}
{% else %}
<p>timeout!</p>
{% endtimelimit %}
@param parser:
@param token:
@return:
"""
bits = list(token.split_contents())
if len(bits) != 2:
raise TemplateSyntaxError("No timeout specified")
end_tag = 'end' + bits[0]
nodelist_timeout = parser.parse(('else', end_tag))
token = parser.next_token()
if token.contents == 'else':
nodelist_else = parser.parse((end_tag, ))
parser.delete_first_token()
else:
nodelist_else = NodeList()
return TimeoutNode(parser.compile_filter(bits[1]), nodelist_timeout,
nodelist_else)
def render(self, context):
nodelist = NodeList()
sidebar_list = Sidebar.all().order("order").fetch(100)
context.push()
for sidebar in sidebar_list:
context.push()
context["sidebar"] = sidebar
for node in self.nodelist_loop:
nodelist.append(node.render(context))
context.pop()
context.pop()
return nodelist.render(context)
def requirejs_main(parser, token):
"""
Indicate that a page should be using RequireJS, by naming the
JavaScript module to be used as the page's main entry point.
The base template must have a `{% requirejs_main ... %}` tag before
the `requirejs_main` variable is accessed anywhere in the template.
The base template need not specify a value in its `{% requirejs_main %}`
tag, allowing it to be extended by templates that may or may not
use requirejs. In this case the `requirejs_main` template variable
will have a value of `None` unless an extending template has a
`{% requirejs_main "..." %}` with a value.
"""
bits = token.contents.split(None, 1)
if len(bits) == 1:
tag_name = bits[0]
value = None
else:
tag_name, value = bits
if getattr(parser, "__saw_requirejs_main", False):
raise TemplateSyntaxError(
"multiple '%s' tags not allowed (%s)" % tuple(bits))
parser.__saw_requirejs_main = True
if value and (len(value) < 2 or value[0] not in '"\'' or value[0] != value[-1]):
raise TemplateSyntaxError("bad '%s' argument: %s" % tuple(bits))
# use a block to allow extension template to set requirejs_main for base
return loader_tags.BlockNode("__" + tag_name, NodeList([
RequireJSMainNode(tag_name, value and value[1:-1])
]))
def ifstockmarket(parser, token):
""" Check if stock market is running
Usage: {% ifstockmarket active %} ... {% endifstockmarket %}
"""
try:
tokensp = token.split_contents()
status = tokensp[1]
if status == 'active':
status = True
elif status == 'deactive':
status = False
else:
raise template.TemplateSyntaxError("Tag 'ifstockmarket' requires at least 1 argument that should be active or deactive.")
except ValueError:
raise template.TemplateSyntaxError("Tag 'ifstockmarket' requires at least 1 argument.")
nodelist_true = parser.parse(('else', 'endifstockmarket'))
token = parser.next_token()
if token.contents == 'else':
nodelist_false = parser.parse(('endifstockmarket',))
parser.delete_first_token()
else:
nodelist_false = NodeList()
return StatusCheckNode(status, nodelist_true, nodelist_false)
def ifusergroup(parser, token):
""" Check to see if the currently logged in user belongs to one or more groups
Requires the Django authentication contrib app and middleware.
Usage: {% ifusergroup Admins %} ... {% endifusergroup %}, or
{% ifusergroup Admins Clients Programmers Managers %} ... {% else %} ... {% endifusergroup %}
"""
try:
tokensp = token.split_contents()
groups = []
groups += tokensp[1:]
except ValueError:
raise template.TemplateSyntaxError(
"Tag 'ifusergroup' requires at least 1 argument.")
nodelist_true = parser.parse(('else', 'endifusergroup'))
token = parser.next_token()
if token.contents == 'else':
nodelist_false = parser.parse(('endifusergroup', ))
parser.delete_first_token()
else:
nodelist_false = NodeList()
return GroupCheckNode(groups, nodelist_true, nodelist_false)
def ifusergroup(parser, token):
""" Check to see if the currently logged in user belongs to a specific
group. Requires the Django authentication contrib app and middleware.
Usage: {% ifusergroup Admins %} ... {% endifusergroup %}, or
{% ifusergroup Admins|Group1|Group2 %} ... {% endifusergroup %}, or
{% ifusergroup Admins %} ... {% else %} ... {% endifusergroup %}
"""
try:
tag, group = token.split_contents()
except ValueError:
raise template.TemplateSyntaxError(
"Tag 'ifusergroup' requires 1 argument.")
nodelist_true = parser.parse(('else', 'endifusergroup'))
token = parser.next_token()
if token.contents == 'else':
nodelist_false = parser.parse(('endifusergroup', ))
parser.delete_first_token()
else:
nodelist_false = NodeList()
return GroupCheckNode(group, nodelist_true, nodelist_false)
def test_state_is_set_for_poll_box(self):
user = User.objects.create(username='******')
Vote.objects.create(poll=self.poll, user=user)
box = Poll.box_class(self.poll, 'name', NodeList())
box.prepare(Context({'request': build_request(user=user)}))
self.assert_equals(
conf.USER_ALLREADY_VOTED,
box.state)
def __init__(self, loopvars, sequence, is_reversed, nodelist_loop, nodelist_empty=None):
self.loopvars, self.sequence = loopvars, sequence
self.is_reversed = is_reversed
self.nodelist_loop = nodelist_loop
if nodelist_empty is None:
self.nodelist_empty = NodeList()
else:
self.nodelist_empty = nodelist_empty
def test_render_multiple_elements_with_remainder(self):
models = [generate_random_model() for i in range(random.randint(5, 8))]
nodelist = NodeList()
nodelist.append(RenderNextNode("'full_page'"))
nodelist.append(RenderNextNode("'show_request'"))
nodelist.append(RenderNextNode("'full_page'"))
nodelist.append(RenderRemainderNode("'full_page'"))
node = RenderIterNode(Variable("list"), nodelist)
rendered = node.render(Context({"list": models}))
self.assertTrue(re.search(models[0].title, rendered))
self.assertFalse(re.search(models[1].title, rendered))
self.assertTrue(re.search(models[2].title, rendered))
for model in models[3:]:
self.assertTrue(re.search(model.title, rendered))
def render(self, context, depth=0, values=False):
nodelist = NodeList()
if 'recurseloop' in context:
parentloop = context['recurseloop']
else:
parentloop = {}
context.push()
# On the first recursion pass, we have no values
if not values:
try:
values = self.sequence.resolve(context, True)
except VariableDoesNotExist:
values = []
if values is None:
values = []
if not hasattr(values, '__len__'):
values = list(values)
len_values = len(values)
# Create a recurseloop value in the context. We'll update counters on each iteration just below.
loop_dict = context['recurseloop'] = {'parent': parentloop}
loop_dict['depth'] = depth + 1
loop_dict['depth0'] = depth
for i, item in enumerate(values):
# Add the additional arguments to the context
# They come in the form of {'name':(initial,increment)}
# As for now only numbers are supported, but also strings can be multiplied
for k,v in self.kwargs.iteritems():
context[k] = v[0] + v[1]*depth
# Shortcuts for current loop iteration number.
loop_dict['counter0'] = i
loop_dict['counter'] = i+1
# Boolean values designating first and last times through loop.
loop_dict['first'] = (i == 0)
loop_dict['last'] = (i == len_values - 1)
context[ self.loopvar ] = item
for node in self.nodelist_first:
nodelist.append( node.render(context) )
if len( getattr( item, self.children_name ) ):
nodelist.append( self.render( context, depth+1, getattr( item, self.children_name ) ) )
for node in self.nodelist_second:
nodelist.append( node.render(context) )
context.pop()
return nodelist.render(context)
def __init__(
self,
nodelist_try: NodeList,
nodelist_except: Optional[NodeList],
catch_exceptions: Optional[List[str]] = None
):
self.nodelist_try = nodelist_try
self.nodelist_except = nodelist_except or NodeList()
self.catch_exceptions = catch_exceptions
def test_state_is_set_for_poll_box_in_second_of_double_renders(self):
settings.DOUBLE_RENDER = True
user = User.objects.create(username='******')
Vote.objects.create(poll=self.poll, user=user)
box = Poll.box_class(self.poll, 'name', NodeList())
box.prepare(Context({'request': build_request(user=user), 'SECOND_RENDER': True}))
self.assert_equals(
conf.USER_ALLREADY_VOTED,
box.state)
def __init__(self, loopvars_list, sequence_list, is_reversed_list,
nodelist_loop, nodelist_empty=None, zip_func=None):
self.loopvars_list, self.sequence_list = loopvars_list, sequence_list
self.is_reversed_list = is_reversed_list
self.nodelist_loop = nodelist_loop
if nodelist_empty is None:
self.nodelist_empty = NodeList()
else:
self.nodelist_empty = nodelist_empty
self.zip_func = zip_func
def test_render_position_with_invalid_target_returns_empty(self):
target_ct = ContentType.objects.get_for_model(ContentType)
invalid_id = ContentType.objects.aggregate(Max('id'))['id__max'] + 1
p = Position.objects.create(category=self.category,
name='position-name',
text='some text',
target_ct=target_ct,
target_id=invalid_id)
self.assert_equals('', p.render(Context({}), NodeList(), ''))
def render(self, context):
content_type_id = self.content_type_id.resolve(context)
content_type = ContentType.objects.get_for_id(content_type_id)
if hasattr(content_type.model_class(), 'get_absolute_url'):
pk = self.pk.resolve(context)
nodelist = NodeList()
nodelist.append(
LINK_FORMAT %
reverse("object-detail", args=(content_type.pk, pk)))
# nodelist.append(LINK_FORMAT % (content_type.pk, pk))
nodelist.append(self.inner_nodelist.render(context))
nodelist.append('</a>')
return nodelist.render(context)
else:
return self.inner_nodelist.render(context)
def compile_nodelist(self):
if register not in self.engine.template_builtins:
self.engine.template_builtins += [register]
ret = super().compile_nodelist()
self.replace_nodes(ret)
if self.filter_nodes:
code_blocks = []
for block in ret:
if not hasattr(block, 'name'):
continue
if block.name in self.filter_nodes:
code_blocks.append(block)
return NodeList(code_blocks)
if self.one_node:
return NodeList([self.find_node(ret, self.one_node)])
return ret
def do_ifloaded(parser, token):
bits = token.split_contents()[1:]
var = bits[0]
nodelist_true = parser.parse(('else', 'endifloaded'))
token = parser.next_token()
if token.contents == 'else':
nodelist_false = parser.parse(('endifloaded',))
parser.delete_first_token()
else:
nodelist_false = NodeList()
return IfLoadedNode(var, nodelist_true, nodelist_false)
def render(self, context):
nodelist = NodeList()
if context.has_key('forloop'):
parentloop = context['forloop']
else:
parentloop = {}
context.push()
try:
values = self.sequence.resolve(context, True)
except VariableDoesNotExist:
values = []
if values is None:
values = []
if not hasattr(values, '__len__'):
values = list(values)
len_values = len(values)
if self.reversed:
# From http://www.python.org/doc/current/tut/node11.html
def reverse(data):
for index in range(len(data) - 1, -1, -1):
yield data[index]
values = reverse(values)
for i, item in enumerate(values):
context['forloop'] = {
# shortcuts for current loop iteration number
'counter0': i,
'counter': i + 1,
# reverse counter iteration numbers
'revcounter': len_values - i,
'revcounter0': len_values - i - 1,
# boolean values designating first and last times through loop
'first': (i == 0),
'last': (i == len_values - 1),
'parentloop': parentloop,
}
context[self.loopvar] = item
for node in self.nodelist_loop:
nodelist.append(node.render(context))
context.pop()
return nodelist.render(context)
def ifusertutor(parser, token):
nodelist_true = parser.parse(('else', 'endifusertutor'))
token = parser.next_token()
if token.contents == 'else':
nodelist_false = parser.parse(('endifusertutor', ))
parser.delete_first_token()
else:
nodelist_false = NodeList()
return TutorCheckNode(nodelist_true, nodelist_false)
def __init__(self, shot=None, nodelist=None):
if shot and shot.template_mixers:
if nodelist:
self.mixers = shot.template_mixers
self.render = self.render_mixers
self.inner_nodelist = nodelist
else:
# XXX when there's no inner nodes just monkey patch template
# render method to reduce traversal time
nodes = [MixerNode(mixer) for mixer in shot.template_mixers]
self.render = NodeList(nodes).render
def parse(parser, token, end_tag):
bits = token.split_contents()[1:2]
var = TemplateIfParser(parser, bits).parse()
nodelist_true = parser.parse(('else', end_tag))
token = parser.next_token()
if token.contents == 'else':
nodelist_false = parser.parse((end_tag, ))
parser.delete_first_token()
else:
nodelist_false = NodeList()
return var, nodelist_true, nodelist_false
def media(parser, token):
bits = token.split_contents()
if bits[0] == 'media':
if len(bits) != 2:
raise TemplateSyntaxError("'media' takes one argument (type)")
type = parser.compile_filter(bits[1])
else:
if len(bits) != 1:
raise TemplateSyntaxError("'%s' does not take arguments" % bits[0])
type = bits[0]
nodelist = parser.parse(('end' + bits[0],))
parser.delete_first_token()
node = MediaNode(type, nodelist)
try:
block = parser.__medias_block
block.nodelist.append(node)
return TextNode('')
except AttributeError:
pass
try:
if BLOCK_MEDIAS in parser.__loaded_blocks:
return node
parser.__loaded_blocks.append(BLOCK_MEDIAS)
except AttributeError:
parser.__loaded_blocks = [BLOCK_MEDIAS]
nodelist = NodeList()
nodelist.contains_nontext = True
nodelist.append(parser.create_variable_node(parser.compile_filter('block.super')))
nodelist.append(node)
block = BlockNode(BLOCK_MEDIAS, nodelist)
parser.__medias_block = block
return block
def render(self, context):
nodelist = NodeList()
if context.has_key('forloop'):
parentloop = context['forloop']
else:
parentloop = {}
context.push()
try:
values = self.sequence.resolve(context, True)
except VariableDoesNotExist:
values = []
if values is None:
values = []
if not hasattr(values, '__len__'):
values = list(values)
len_values = len(values)
if self.reversed:
# From http://www.python.org/doc/current/tut/node11.html
def reverse(data):
for index in range(len(data)-1, -1, -1):
yield data[index]
values = reverse(values)
for i, item in enumerate(values):
context['forloop'] = {
# shortcuts for current loop iteration number
'counter0': i,
'counter': i+1,
# reverse counter iteration numbers
'revcounter': len_values - i,
'revcounter0': len_values - i - 1,
# boolean values designating first and last times through loop
'first': (i == 0),
'last': (i == len_values - 1),
'parentloop': parentloop,
}
context[self.loopvar] = item
for node in self.nodelist_loop:
nodelist.append(node.render(context))
context.pop()
return nodelist.render(context)
def render(self, context):
actual_form = self.form_var.resolve(context)
bindings = get_bindings(actual_form)
# bindings.reverse() # bind in reverse order ...
nodelist = NodeList()
js_info = get_js_info(actual_form)
# Add the script to activate this form
nodelist.append(
HtmlContent(
"""
<script>
%s
$(document).ready(function(){
// new ManagementForm(parentForm, childTemplate, initialForms);
%s
});
</script>
"""
% (js_info, "\n".join(bindings))
)
)
nodelist.append(HtmlContent("</div>"))
return nodelist.render(context)
def __init__(self, parser, token):
bits = token.split_contents()
if len(bits) != 5 or bits[-2] != "as":
raise TemplateSyntaxError(self.error_msg)
self.file_ = parser.compile_filter(bits[1])
self.preset = parser.compile_filter(bits[2])
self.as_var = bits[-1]
self.nodelist_file = parser.parse(("empty", "endthumbnail"))
if parser.next_token().contents == "empty":
self.nodelist_empty = parser.parse(("endthumbnail",))
parser.delete_first_token()
else:
self.nodelist_empty = NodeList()
def do_ifin(parser, token, negate):
bits = list(token.split_contents())
if len(bits) != 3:
raise TemplateSyntaxError, "%r takes two arguments" % bits[0]
end_tag = 'end' + bits[0]
nodelist_true = parser.parse(('else', end_tag))
token = parser.next_token()
if token.contents == 'else':
nodelist_false = parser.parse((end_tag, ))
parser.delete_first_token()
else:
nodelist_false = NodeList()
return IfInNode(bits[1], bits[2], nodelist_true, nodelist_false, negate)
def render(self, context):
content_type_id = self.content_type_id.resolve(context)
content_type = ContentType.objects.get_for_id(content_type_id)
if hasattr(content_type.model_class(), 'get_absolute_url'):
pk = self.pk.resolve(context)
nodelist = NodeList()
nodelist.append(LINK_FORMAT % reverse("object-detail",
args=(content_type.pk, pk)))
# nodelist.append(LINK_FORMAT % (content_type.pk, pk))
nodelist.append(self.inner_nodelist.render(context))
nodelist.append('</a>')
return nodelist.render(context)
else:
return self.inner_nodelist.render(context)
class IncludeNode(Node): def __init__(self, nodelist, path): self.template = get_template(path) self.nodelist, self.path = NodeList(nodelist), path def __repr__(self): return "<Include Node: %s Contents: %r>" % (self.path, self.nodelist) def render(self, context): parent_blocks = dict([(n.name, n) for n in self.template.nodelist.get_nodes_by_type(PartNode)]) for part_node in self.nodelist.get_nodes_by_type(PartNode): parent_block = parent_blocks[part_node.name] parent_block.nodelist = part_node.nodelist return self.template.render(context)
def forcomment(context, nodelist, filediff, review=None):
"""
Loops over a list of comments beloning to a filediff.
This will populate a special ``comment`` variable for use in the content.
This is of the type :model:`reviews.Comment`.
"""
new_nodelist = NodeList()
context.push()
if not review:
comments = filediff.comments.all()
else:
comments = filediff.comments.filter(review=review)
for comment in comments:
context['comment'] = comment
for node in nodelist:
new_nodelist.append(node.render(context))
context.pop()
return new_nodelist.render(context)
def item_description(self, item):
if not core_settings.RSS_DESCRIPTION_BOX_TYPE:
return item.publishable.description
p = item.publishable
box = p.box_class(p, core_settings.RSS_DESCRIPTION_BOX_TYPE, NodeList())
try:
desc = box.render(self.box_context)
except TemplateDoesNotExist:
desc = None
if not desc:
desc = item.publishable.description
return desc
def from_string(cls, template_soup, origin=''):
result = TemplateComponentBucket()
within = None
node_bucket = NodeList()
for m in Lexer(template_soup, origin).tokenize():
attributes = m.split_contents()
if not attributes:
continue
if attributes[0] in cls.BLOCKTAGS:
prop = cls._parse_parameters(attributes)
within = attributes[0]
node_bucket = NodeList()
elif attributes[0] in cls.ENDBLOCKTAGS:
prop['blocktag'] = within
within = None
rendered_inner = Parser(node_bucket).parse().render(TEMPLATECOMPONENTS_CONTEXT)
result.append(TemplateComponentBlock(rendered_inner, origin=origin, **prop))
elif within:
node_bucket.append(m)
return result
def callback(tagname, label=None):
if label is None:
nodelist = parser.parse(('endtitle',))
parser.delete_first_token()
return TitleNode(tagname, nodelist)
else:
# WARNING: Undocumented festures of Django are used here.
from django.template import FilterExpression, NodeList, Parser, VariableNode
from django.template.loader_tags import BlockNode
nodelist = NodeList()
nodelist.append(TitleComponentNode(tagname, label))
nodelist.append(VariableNode(FilterExpression('block.super', Parser(''))))
nodelist2 = NodeList()
nodelist2.append(BlockNode('title', nodelist))
return NodeListNode(nodelist2)
def callback(tagname, label=None, url=None, urlname=None):
if label is None and url is None and urlname is None:
nodelist = parser.parse(('endpath',))
parser.delete_first_token()
return PathNode(tagname, nodelist)
elif label is not None and (url is not None or urlname is not None):
# WARNING: Undocumented festures of Django are used here.
from django.template import FilterExpression, NodeList, Parser, VariableNode
from django.template.loader_tags import BlockNode
nodelist = NodeList()
nodelist.append(VariableNode(FilterExpression('block.super', Parser(''))))
nodelist.append(PathComponentNode(tagname, label, url, urlname))
nodelist2 = NodeList()
nodelist2.append(BlockNode('path', nodelist))
return NodeListNode(nodelist2)
else:
raise template.TemplateSyntaxError('%s tag syntax error' % tagname)
class ThumbnailNode(thumbnail.ThumbnailNodeBase):
child_nodelists = ("nodelist_file", "nodelist_empty")
error_msg = "Syntax error. Expected: ``thumbnail source preset as var``"
preset_error = "Preset %s not found."
def __init__(self, parser, token):
bits = token.split_contents()
if len(bits) != 5 or bits[-2] != "as":
raise TemplateSyntaxError(self.error_msg)
self.file_ = parser.compile_filter(bits[1])
self.preset = parser.compile_filter(bits[2])
self.as_var = bits[-1]
self.nodelist_file = parser.parse(("empty", "endthumbnail"))
if parser.next_token().contents == "empty":
self.nodelist_empty = parser.parse(("endthumbnail",))
parser.delete_first_token()
else:
self.nodelist_empty = NodeList()
def _render(self, context):
file_ = self.file_.resolve(context)
preset_name = self.preset.resolve(context)
preset = Preset.objects.get(name=preset_name)
if settings.THUMBNAIL_DUMMY:
thumbnail = DummyImageFile(preset.geometry)
elif file_:
thumbnail = default.backend.get_thumbnail(file_, preset.geometry, **preset.get_options())
else:
return self.nodelist_empty.render(context)
context.push()
context[self.as_var] = thumbnail
output = self.nodelist_file.render(context)
context.pop()
return output
def __repr__(self):
return "<ImageCacheNode>"
def __iter__(self):
for node in self.nodelist_file:
yield node
for node in self.nodelist_empty:
yield node