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Code Issues 32 Releases Wiki Activity

Fixed #14908 -- Added a 'takes_context' argument to simple_tag. Thanks to Julien Phalip for driving the issue and providing the final patch.

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@14987 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Russell Keith-Magee
2010-12-19 15:00:50 +00:00
parent 7adffaeaf6
commit 314fabc930
6 changed files with 134 additions and 20 deletions
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43
django/template/base.py
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@@ -872,21 +872,40 @@ class Library(object):
self.filters[getattr(func, "_decorated_function", func).__name__] = func
return func
def simple_tag(self,func):
params, xx, xxx, defaults = getargspec(func)
def simple_tag(self, func=None, takes_context=None):
def dec(func):
params, xx, xxx, defaults = getargspec(func)
if takes_context:
if params[0] == 'context':
params = params[1:]
else:
raise TemplateSyntaxError("Any tag function decorated with takes_context=True must have a first argument of 'context'")
class SimpleNode(Node):
def __init__(self, vars_to_resolve):
self.vars_to_resolve = map(Variable, vars_to_resolve)
class SimpleNode(Node):
def __init__(self, vars_to_resolve):
self.vars_to_resolve = map(Variable, vars_to_resolve)
def render(self, context):
resolved_vars = [var.resolve(context) for var in self.vars_to_resolve]
return func(*resolved_vars)
def render(self, context):
resolved_vars = [var.resolve(context) for var in self.vars_to_resolve]
if takes_context:
func_args = [context] + resolved_vars
else:
func_args = resolved_vars
return func(*func_args)
compile_func = curry(generic_tag_compiler, params, defaults, getattr(func, "_decorated_function", func).__name__, SimpleNode)
compile_func.__doc__ = func.__doc__
self.tag(getattr(func, "_decorated_function", func).__name__, compile_func)
return func
compile_func = curry(generic_tag_compiler, params, defaults, getattr(func, "_decorated_function", func).__name__, SimpleNode)
compile_func.__doc__ = func.__doc__
self.tag(getattr(func, "_decorated_function", func).__name__, compile_func)
return func
if func is None:
# @register.simple_tag(...)
return dec
elif callable(func):
# @register.simple_tag
return dec(func)
else:
raise TemplateSyntaxError("Invalid arguments provided to simple_tag")
def inclusion_tag(self, file_name, context_class=Context, takes_context=False):
def dec(func):