def compile_func(parser, token):
bits = token.split_contents()[1:]
if len(bits) > 2 and bits[-2] == 'as':
target_var = bits[-1]
bits = bits[:-2]
args, kwargs = parse_bits(parser, bits, params,
varargs, varkw, defaults, takes_context, function_name)
return AssignmentNode(takes_context, args, kwargs, target_var)
else:
args, kwargs = parse_bits(parser, bits, params,
varargs, varkw, defaults, takes_context, function_name)
return SimpleNode(takes_context, args, kwargs)
def compile_func(parser, token):
bits = token.split_contents()[1:]
if len(bits) > 2 and bits[-2] == 'as':
target_var = bits[-1]
bits = bits[:-2]
args, kwargs = parse_bits(parser, bits, params, varargs,
varkw, defaults, takes_context,
function_name)
return AssignmentNode(takes_context, args, kwargs,
target_var)
else:
args, kwargs = parse_bits(parser, bits, params, varargs,
varkw, defaults, takes_context,
function_name)
return SimpleNode(takes_context, args, kwargs)
def tag(cls, parser, token):
# Parse tag args and kwargs
bits = token.split_contents()[1:]
params = ('uri', 'edit')
args, kwargs = parse_bits(parser, bits, params, None, True, (True,), None, 'blocknode')
# Assert uri is the only tag arg
if len(args) > 1:
raise TemplateSyntaxError('Malformed arguments to blocknode tag')
# Resolve uri variable
uri = args[0].resolve({})
# Parse tag body (default content)
tokens = parser.parse(('endblocknode',))
parser.delete_first_token() # Remove endblocknode tag
# Render default content tokens and dedent common leading whitespace
default = u''.join((token.render({}) for token in tokens))
default = textwrap.dedent(default)
# Get node for uri, lacks context variable lookup due to lazy loading.
node = api.get(uri, default)
return cls(tokens, node, kwargs)
def tabdeck(parser, token):
bits = token.split_contents()[1:]
args, kwargs = parse_bits(parser, bits, [], 'args', 'kwargs', None, False, 'tabdeck')
nodelist = parser.parse(('endtabdeck',))
parser.delete_first_token() # discard the 'endtabdeck' tag
return TabDeckNode(nodelist, kwargs)
def dplink(parser, token):
'''
Usage: {% dplink OBJ %}CONTENT{% enddplink %}
Where:
OBJ is a model instance, e.g. an ItemPart
CONTENT is some html
Output:
If OBJ is an object, has a url and user can see it:
<a href="LINK TO OBJ">CONTENT</a>
Otherwise:
CONTENT
'''
def get_link_from_obj(obj=None):
ret = {'content': u'%s' % obj, 'url': ur''}
if obj:
f = getattr(obj, 'get_absolute_url')
if f:
ret['url'] = u'%s' % f()
return ret
class DPLinkNode(template.base.TagHelperNode):
def __init__(self, nodelist, args, kwargs):
super(DPLinkNode, self).__init__(takes_context=False,
args=args,
kwargs=kwargs)
self.nodelist = nodelist
def render(self, context):
ret = self.nodelist.render(context)
args, kwargs = self.get_resolved_arguments(context)
link = get_link_from_obj(*args, **kwargs)
obj = args[0]
request = context.get('request', None)
if request and not dputils.is_model_visible(obj, request):
link['url'] = None
ret = ret.strip() or link['content']
if link['url']:
ret = u'<a href="%s">%s</a>' % (link['url'], ret)
return ret
nodelist = parser.parse(('enddplink', ))
parser.delete_first_token()
bits = token.split_contents()[1:]
params, varargs, varkw, defaults = getargspec(get_link_from_obj)
args, kwargs = parse_bits(parser,
bits,
params,
varargs,
varkw,
defaults,
takes_context=False,
name='dplink')
return DPLinkNode(nodelist, args, kwargs)
def _ssi_var_tag(parser, token):
"""
Creates a SSI variable reference for a request-dependent info.
Use as:
{% ri_tag args... %}
or:
{% ri_tag args... as variable %}
{{ variable.if }}
{{ variable }}, or
{% ssi_include 'some-snippet' variable %}
{{ variable.else }}
Default text
{{ variable.endif }}
"""
bits = token.split_contents()[1:]
# Is it the 'as' form?
if len(bits) >= 2 and bits[-2] == 'as':
asvar = bits[-1]
bits = bits[:-2]
else:
asvar = None
# Parse the arguments like Django's generic tags do.
args, kwargs = parse_bits(parser, bits,
['context'] + params[1:], varargs, varkw,
defaults, takes_context=True,
name=function_name)
return SsiVariableNode(tagpath, args, kwargs, patch_response, asvar)
def tag(cls, parser, token):
# Parse tag args and kwargs
bits = token.split_contents()[1:]
params = ('uri', 'edit')
args, kwargs = parse_bits(parser, bits, params, None, True, (True, ),
None, 'blocknode')
# Assert uri is the only tag arg
if len(args) > 1:
raise TemplateSyntaxError('Malformed arguments to blocknode tag')
# Resolve uri variable
uri = args[0].resolve({})
# Parse tag body (default content)
tokens = parser.parse(('endblocknode', ))
parser.delete_first_token() # Remove endblocknode tag
# Render default content tokens and dedent common leading whitespace
default = u''.join((token.render({}) for token in tokens))
default = default.strip('\n\r')
default = textwrap.dedent(default)
# Get node for uri, lacks context variable lookup due to lazy loading.
node = cio.get(uri, default)
return cls(tokens, node, kwargs)
def compile_func(parser, token):
takes_context = True
bits = token.split_contents()[1:]
args, kwargs = parse_bits(parser, bits, params, varargs, varkw,
defaults, takes_context, tag_name)
nodelist = parser.parse(('end' + tag_name,))
parser.delete_first_token()
return InlineCompileNode(nodelist, takes_context, args, kwargs)
def compile_func(parser, token):
takes_context = True
bits = token.split_contents()[1:]
args, kwargs = parse_bits(parser, bits, params, varargs, varkw,
defaults, takes_context, tag_name)
nodelist = parser.parse(('end' + tag_name, ))
parser.delete_first_token()
return InlineCompileNode(nodelist, takes_context, args, kwargs)
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)
def compile_func(parser, token):
bits = token.split_contents()[1:]
# if len(bits) < 2 or bits[-2] != 'as':
# raise TemplateSyntaxError(
# "'%s' tag takes at least 2 arguments and the "
# "second last argument must be 'as'" % function_name)
# replaced above choose between AssignmentNode or SimpleNode
if len(bits) > 1 and bits[-2] == 'as':
target_var = bits[-1]
bits = bits[:-2]
args, kwargs = parse_bits(parser, bits, params,
varargs, varkw, defaults, takes_context, function_name)
return AssignmentNode(takes_context, args, kwargs, target_var)
else:
args, kwargs = parse_bits(parser, bits, params,
varargs, varkw, defaults, takes_context, function_name)
return SimpleNode(takes_context, args, kwargs)
def dplink(parser, token):
'''
Usage: {% dplink OBJ %}CONTENT{% enddplink %}
Where:
OBJ is a model instance, e.g. an ItemPart
CONTENT is some html
Output:
If OBJ is an object, has a url and user can see it:
<a href="LINK TO OBJ">CONTENT</a>
Otherwise:
CONTENT
'''
def get_link_from_obj(obj=None):
ret = {'content': '%s' % obj, 'url': ur''}
if obj:
f = getattr(obj, 'get_absolute_url')
if f:
ret['url'] = '%s' % f()
return ret
class DPLinkNode(template.base.TagHelperNode):
def __init__(self, nodelist, args, kwargs):
super(DPLinkNode, self).__init__(
takes_context=False, args=args, kwargs=kwargs)
self.nodelist = nodelist
def render(self, context):
ret = self.nodelist.render(context)
args, kwargs = self.get_resolved_arguments(context)
link = get_link_from_obj(*args, **kwargs)
obj = args[0]
request = context.get('request', None)
if request and not dputils.is_model_visible(obj, request):
link['url'] = None
ret = ret.strip() or link['content']
if link['url']:
ret = u'<a href="%s">%s</a>' % (link['url'], ret)
return ret
nodelist = parser.parse(('enddplink',))
parser.delete_first_token()
bits = token.split_contents()[1:]
params, varargs, varkw, defaults = getargspec(get_link_from_obj)
args, kwargs = parse_bits(
parser, bits, params, varargs, varkw, defaults,
takes_context=False, name='dplink'
)
return DPLinkNode(nodelist, args, kwargs)
def adrest_include(parser, token):
""" Include adrest_template for any objects.
:return str: Rendered string.
"""
bits = token.split_contents()[1:]
args, kwargs = parse_bits(parser, bits, ['content'], 'args', 'kwargs',
tuple(), False, 'adrest_include')
return AdrestInclusionNode(False, args, kwargs)
def tag_compiler(parser, token, params, varargs, varkw, defaults,
name, takes_context, function_name):
bits = token.split_contents()[1:]
bits = [''] + bits # add placeholder for content arg
args, kwargs = parse_bits(parser, bits, params, varargs, varkw,
defaults, takes_context, name)
args = args[1:] # remove content placeholder
nodelist = parser.parse(('end{}'.format(function_name),))
parser.delete_first_token()
return SimpleNode(nodelist, takes_context, args, kwargs)
def generic_tag_compiler(parser, token, params, varargs, varkw, defaults,
name, takes_context, node_class):
"""
Returns a template.Node subclass.
"""
bits = token.split_contents()[1:]
output_context = parser.output_context if parser.output_context is not None else {}
args, kwargs = parse_bits(parser, bits, params, varargs, varkw,
defaults, takes_context, name)
return node_class(takes_context, output_context, args, kwargs)
def _compile(parser, token):
# content
nodelist = parser.parse(('end' + name,))
parser.delete_first_token()
# args
bits = token.split_contents()[1:]
args, kwargs = parse_bits(parser, bits, params, varargs, varkw, defaults,
takes_context=None, name=name)
return HelperNode(False, args, kwargs, nodelist)
def tag_compiler(parser, token, params, varargs, varkw, defaults, name,
takes_context, function_name):
bits = token.split_contents()[1:]
bits = [''] + bits # add placeholder for content arg
args, kwargs = parse_bits(parser, bits, params, varargs, varkw,
defaults, takes_context, name)
args = args[1:] # remove content placeholder
nodelist = parser.parse(('end{}'.format(function_name), ))
parser.delete_first_token()
return SimpleNode(nodelist, takes_context, args, kwargs)
def compile_func(parser, token):
bits = token.split_contents()[1:]
target_var = None
if len(bits) >=2 and bits[-2] == 'as':
target_var = bits[-1]
bits = bits[:-2]
args, kwargs = parse_bits(parser, bits, params,
varargs, varkw, defaults, takes_context, function_name)
return WithAsNode(takes_context, args, kwargs, target_var)
def adrest_include(parser, token):
""" Include adrest_template for any objects.
:return str: Rendered string.
"""
bits = token.split_contents()[1:]
args, kwargs = parse_bits(
parser, bits, ['content'], 'args', 'kwargs', tuple(),
False, 'adrest_include')
return AdrestInclusionNode(False, args, kwargs)
def compiler(parser, token, params, varargs, varkw, defaults, name, takes_context, node_class):
if params[0] == "content":
params = params[1:]
else:
raise TemplateSyntaxError(u'The first argument of "{}" must be "content"'.format(name))
bits = token.split_contents()[1:]
args, kwargs = parse_bits(parser, bits, params, varargs, varkw, defaults, takes_context, name)
nodelist = parser.parse((u"end" + name,))
parser.delete_first_token()
return node_class(takes_context, nodelist, args, kwargs)
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)
def do_pzone(parser, token):
"""
{% forpzone "homepage" slice=":3" %}
<h1>
<a href="{{ content.get_absolute_url }}">{{ content.title }}</a>
</h1>
<span>{{ content.description }}</span>
{% endforpzone %}
"""
bits = token.split_contents()
if len(bits) < 2:
raise template.TemplateSyntaxError("'pzone' statements should have at least two"
" words: %s" % token.contents)
nodelist_loop = parser.parse(("endforpzone", "empty"))
token = parser.next_token()
if token.contents == 'empty':
nodelist_empty = parser.parse(('endfor',))
parser.delete_first_token()
else:
nodelist_empty = None
params = ["slice", "name", "apply"]
args, kwargs = parse_bits(parser, bits, params, None, None, [], False, "forpzone")
pzone_name = kwargs["name"].resolve({})
slice_string = None
if "slice" in kwargs:
slice_string = kwargs["slice"].resolve({})
slice_bits = []
for x in slice_string.split(':'):
if len(x) == 0:
slice_bits.append(None)
else:
slice_bits.append(int(x))
# mparent(2016-06-23): Variable not used, commented out for lint. FIX ME!
# slice_object = slice(*slice_bits)
apply = False
if "apply" in kwargs:
apply = kwargs["apply"].resolve({})
sequence = PZoneSequence(pzone_name, slice_string=slice_string, apply=apply)
loopvars = ["content"]
is_reversed = False
return ForNode(loopvars, sequence, is_reversed, nodelist_loop, nodelist_empty)
def tab(parser, token):
bits = token.split_contents()[1:]
args, kwargs = parse_bits(parser, bits, ['heading_expr'], 'args', 'kwargs', None, False, 'tab')
if len(args) != 1:
raise template.TemplateSyntaxError("The 'tab' tag requires exactly one unnamed argument (the tab heading).")
heading_expr = args[0]
nodelist = parser.parse(('endtab',))
parser.delete_first_token() # discard the 'endtab' tag
return TabNode(nodelist, heading_expr, kwargs)
def get_args_kwargs(parser, token):
""" copied from
django.template.(base|library).Library.simple_tag.compile_func """
def to_limit(limit_name, **limit_kwargs):
pass
params, varargs, varkw, defaults = getargspec(to_limit)
function_name = 'djptlimit'
bits = token.split_contents()[1:]
takes_context = False
args, kwargs = parse_bits(parser, bits, params, varargs, varkw, defaults,
takes_context, function_name)
return args, kwargs
def compiler(parser, token, params, varargs, varkw, defaults, name,
takes_context, node_class):
if params[0] == 'content':
params = params[1:]
else:
raise TemplateSyntaxError(
u'The first argument of "%s" must be "content"' % name)
bits = token.split_contents()[1:]
args, kwargs = parse_bits(parser, bits, params, varargs, varkw,
defaults, takes_context, name)
nodelist = parser.parse((u'end' + name, ))
parser.delete_first_token()
return node_class(takes_context, nodelist, args, kwargs)
def tag(cls, parser, token):
# Parse tag args and kwargs
bits = token.split_contents()[1:]
params = ('uri', 'edit', 'default')
args, kwargs = parse_bits(parser, bits, params, None, True, ('', True,), None, 'node')
# Assert uri is the only tag arg
if len(args) > 1:
raise TemplateSyntaxError('Malformed arguments to blocknode tag')
# Resolve uri variable
uri = args[0].resolve({})
default = kwargs['default'].resolve({}) if 'default' in kwargs else u''
return cls(uri, default, kwargs)
def wrapper(parser, token):
bits = token.split_contents()
tag_name = bits.pop(0)
if len(bits) == 0:
raise template.TemplateSyntaxError(
'"{0}" tag takes at least 1 argument: the template name'.format(tag_name)
)
args, kwargs = parse_bits(parser, bits, ['template_name'], '', '', None, False, 'form')
nodelist = parser.parse(('end{0}'.format(tag_name),))
template_name = args.pop(0)
parser.delete_first_token()
return klass(nodelist, tag_name, template_name, *args, **kwargs)
def _compile(parser, token):
# content
nodelist = parser.parse(('end' + name, ))
parser.delete_first_token()
# args
bits = token.split_contents()[1:]
args, kwargs = parse_bits(parser,
bits,
params[2:],
varargs,
varkw,
defaults,
takes_context=None,
name=name)
return HelperNode(False, args, kwargs, nodelist)
def compile_func(parser, token):
bits = token.split_contents()[1:]
if len(bits) < 2 or bits[-2] != 'as':
raise template.TemplateSyntaxError(
"'%s' tag takes at least 2 arguments and the "
"second last argument must be 'as'" % function_name)
target_var = bits[-1]
bits = bits[:-2]
args, kwargs = parse_bits(
parser, bits, params, varargs, varkw,
defaults, takes_context, function_name
)
nodelist = parser.parse((end_name, ))
parser.delete_first_token()
return AssignmentNode(
nodelist, takes_context, args, kwargs, target_var
)
def parse_args(parser, token, args, kwargs, defaults_args=(), defaults_kwargs=()):
"""
Parses the arguments passed to the tag. Returns tuple with args and kwargs, where
in both cases the values are stored as FilterExpressions.
Please note that providing default_args, default_kwargs or both does not mean that
kwargs[<optional-arg>] will always work. The argument only prevents the parser from
complaining about arguments being not passed.
:param parser: TokenParser to use
:param token: token to parse
:param args: list of positional arguments
:param kwargs: list of keyword arguments
:param defaults_args: default values for the arguments
:param defaults_kwargs: default values for the keyword arguments
:return: args, kwargs tuple with parsed arguments
"""
bits = token.split_contents()
params = args + kwargs
return parse_bits(parser, bits[1:], params, args, kwargs, defaults_args + defaults_kwargs,
False, bits[0])
def render_form(parser, token):
args, kwargs = parse_bits(parser, token.split_contents()[1:], (), varargs=True, varkw=True, defaults=None,
takes_context=False, name='render_form')
return FormNode(args, kwargs)
def flowurl(parser, token):
"""
Return flow url.
Usage::
{% flowurl ref [urlname] [user=] [as varname]%}
Examples::
{% flowurl 'app_label/FlowCls' 'viewflow:index' %}
{% flowurl flow_cls 'index' as index_url %}
{% flowurl process 'index' %}
{% flowurl process 'details' %}
{% flowurl task 'assign' user=request.user %}
{% flowurl task user=request.user %}
"""
def geturl(ref, url_name=None, user=None):
if isinstance(ref, Flow):
url_ref = "{}:{}".format(ref.namespace, url_name if url_name else "index")
return reverse(url_ref)
elif isinstance(ref, AbstractProcess):
kwargs, url_ref = {}, "{}:{}".format(ref.flow_cls.instance.namespace, url_name if url_name else "index")
if url_name in ["details", "cancel"]:
kwargs["process_pk"] = ref.pk
return reverse(url_ref, kwargs=kwargs)
elif isinstance(ref, AbstractTask):
return ref.flow_task.get_task_url(ref, url_type=url_name if url_name else "guess", user=user)
else:
try:
app_label, flow_cls_path = ref.split("/")
except ValueError:
raise TemplateSyntaxError(
"Flow reference string should looks like 'app_label/FlowCls' but '{}'".format(ref)
)
app_package = get_app_package(app_label)
if app_package is None:
raise TemplateSyntaxError("{} app not found".format(app_label))
flow_cls = import_by_path("{}.flows.{}".format(app_package, flow_cls_path))
url_ref = "{}:{}".format(flow_cls.instance.namespace, url_name if url_name else "index")
return reverse(url_ref)
class URLNode(TagHelperNode):
def __init__(self, args, kwargs, target_var):
super(URLNode, self).__init__(takes_context=False, args=args, kwargs=kwargs)
self.target_var = target_var
def render(self, context):
resolved_args, resolved_kwargs = self.get_resolved_arguments(context)
url = geturl(*resolved_args, **resolved_kwargs)
if self.target_var:
context[self.target_var] = url
return ""
else:
return url
bits = token.split_contents()[1:]
target_var = None
if bits[-2] == "as":
target_var = bits[-1]
bits = bits[:-2]
params, varargs, varkw, defaults = getargspec(geturl)
args, kwargs = parse_bits(parser, bits, params, varargs, varkw, defaults, takes_context=False, name="flowurl")
return URLNode(args, kwargs, target_var)
def flowurl(parser, token):
"""
Return flow url.
Usage::
{% flowurl ref [urlname] [user=] [as varname]%}
Examples::
{% flowurl 'app_label/FlowCls' 'viewflow:index' %}
{% flowurl flow_cls 'index' as index_url %}
{% flowurl process 'index' %}
{% flowurl process 'details' %}
{% flowurl task 'assign' user=request.user %}
{% flowurl task user=request.user %}
"""
def geturl(ref, url_name=None, user=None):
if isinstance(ref, Flow):
url_ref = '{}:{}'.format(ref.namespace,
url_name if url_name else 'index')
return reverse(url_ref)
elif isinstance(ref, AbstractProcess):
kwargs, url_ref = {}, '{}:{}'.format(
ref.flow_cls.instance.namespace,
url_name if url_name else 'index')
'''
And I thought my code was hacky.
'''
if url_name in ['details', 'cancel']:
kwargs['process_pk'] = ref.pk
return reverse(url_ref, kwargs=kwargs)
elif isinstance(ref, AbstractTask):
return ref.flow_task.get_task_url(
ref, url_type=url_name if url_name else 'guess', user=user)
else:
try:
app_label, flow_cls_path = ref.split('/')
except ValueError:
raise TemplateSyntaxError(
"Flow reference string should looks like 'app_label/FlowCls' but '{}'"
.format(ref))
app_package = get_app_package(app_label)
if app_package is None:
raise TemplateSyntaxError("{} app not found".format(app_label))
flow_cls = import_by_path('{}.flows.{}'.format(
app_package, flow_cls_path))
url_ref = '{}:{}'.format(flow_cls.instance.namespace,
url_name if url_name else 'index')
return reverse(url_ref)
class URLNode(TagHelperNode):
def __init__(self, args, kwargs, target_var):
super(URLNode, self).__init__(takes_context=False,
args=args,
kwargs=kwargs)
self.target_var = target_var
def render(self, context):
resolved_args, resolved_kwargs = self.get_resolved_arguments(
context)
url = geturl(*resolved_args, **resolved_kwargs)
if self.target_var:
context[self.target_var] = url
return ''
else:
return url
bits = token.split_contents()[1:]
target_var = None
if bits[-2] == 'as':
target_var = bits[-1]
bits = bits[:-2]
params, varargs, varkw, defaults = getargspec(geturl)
args, kwargs = parse_bits(parser,
bits,
params,
varargs,
varkw,
defaults,
takes_context=False,
name='flowurl')
return URLNode(args, kwargs, target_var)
