def load_component(parser, token):
parts = token.split_contents()
if len(parts) <= 1:
raise tmp.TemplateSyntaxError("'%s' needs a component key" % parts[0])
# compile_filter is an undocumented django function that extracts
# items from the "filter style" django syntax
component_key = parser.compile_filter(parts[1])
kwargs = {}
parts = parts[2:]
if len(parts):
for part in parts:
match = tmp.kwarg_re.match(part)
if not match:
raise tmp.TemplateSyntaxError("Malformed arguments to url tag")
name, value = match.groups()
if name:
kwargs[name] = parser.compile_filter(value)
else:
raise BaseException(
"load_component can't accept args, only kwargs")
return ComponentNode(component_key, kwargs)
def setcontext(parser, token):
"""
Sets (updates) current template context with the rendered output of the block inside tags.
This is useful when some template tag does not support storing its output in the context itself
or we need some complex content (like language, user or URL dependent content) multiple times.
Example usage::
{% setcontext as varname %}
{% complextag %}
{% endsetcontext %}
"""
nodelist = parser.parse(('endsetcontext', ))
args = list(token.split_contents())
if len(args) != 3 or args[1] != "as":
raise base.TemplateSyntaxError(
"'%s' tag takes 2 arguments and the first argument must be 'as'" %
args[0])
variable = args[2]
parser.delete_first_token()
return SetContextNode(nodelist, variable)
def genus_link(genus):
if not isinstance(genus, Genus):
raise template.TemplateSyntaxError(
"genus_link tag requires a single Genus as argument")
if genus.taxa.filter(goorchidtaxon__ready_for_display=True).count():
return '<a href="%s">%s</a>' % (reverse('site-genus',
args=[genus.slug]), genus.name)
else:
return genus.name
def species_link(species):
if not isinstance(species, Taxon):
raise template.TemplateSyntaxError(
"species_link tag requires a single Taxon as argument")
species = getattr(species, 'goorchidtaxon', species)
is_ready = getattr(species, 'ready_for_display', False)
if is_ready:
return '<a href="%s">%s</a>' % (reverse(
'site-species', args=[species.genus.slug, species.epithet
]), species.scientific_name)
else:
return species.scientific_name
def optional_assignment_tag(func=None, takes_context=None, name=None):
"""
https://groups.google.com/forum/?fromgroups=#!topic/django-developers/E0XWFrkRMGc
new template tags type
"""
def dec(func):
params, varargs, varkw, defaults = getargspec(func)
class AssignmentNode(base.TagHelperNode):
def __init__(self, takes_context, args, kwargs, target_var=None):
super(AssignmentNode, self).__init__(takes_context, args,
kwargs)
self.target_var = target_var
def render(self, context):
resolved_args, resolved_kwargs = self.get_resolved_arguments(
context)
output = func(*resolved_args, **resolved_kwargs)
if self.target_var is None:
return output
else:
context[self.target_var] = output
return ''
function_name = (name or getattr(func, '_decorated_function',
func).__name__)
def compile_func(parser, token):
bits = token.split_contents()[1:]
if len(bits) < 2 or bits[-2] != 'as':
target_var = None
else:
target_var = bits[-1]
bits = bits[:-2]
args, kwargs = base.parse_bits(parser, bits, params, varargs,
varkw, defaults, takes_context,
function_name)
return AssignmentNode(takes_context, args, kwargs, target_var)
compile_func.__doc__ = func.__doc__
register.tag(function_name, compile_func)
return func
if func is None:
# @register.assignment_tag(...)
return dec
elif callable(func):
# @register.assignment_tag
return dec(func)
else:
raise base.TemplateSyntaxError(
"Invalid arguments provided to assignment_tag")
def admin_footer(parser, token):
"""
Template tag that renders the footer information based on the
authenticated user's permissions.
"""
# split_contents() doesn't know how to split quoted strings.
tag_name = token.split_contents()
if len(tag_name) > 1:
raise base.TemplateSyntaxError(
'{} tag does not accept any argument(s): {}'.format(
token.contents.split()[0],
', '.join(token.contents.split()[1:])))
return AdminFooterNode()
def taxon_edits(taxon):
if not isinstance(taxon, Taxon):
raise template.TemplateSyntaxError(
"taxon_edits tag requires a single Taxon as argument")
edits = Edit.objects.filter(
coordinate1=taxon.scientific_name,
itemtype='character-value').order_by('-datetime')
end = timezone.now()
start = end - timedelta(7)
edits = edits.filter(datetime__range=[start, end])
if not edits:
return '<p>No recent edits</p>'
rows = []
for i, edit in enumerate(edits):
character_link = character_edit_link(edit.coordinate2)
rows.append(
BASE_ROW.format(date=edit.datetime,
author=escape(edit.author),
old_value=format_old_value(edit.old_value),
coord=character_link,
row_class=i % 2 and 'even' or 'odd'))
return BASE_TABLE % ('Character', u'\n'.join(rows))
