class DebugNode
from django.template.defaulttags import DebugNode
Ancestors (MRO)
Attribute | Type | Defined in |
---|---|---|
__dict__ |
getset_descriptor
|
django.template.base.Node |
__weakref__ |
getset_descriptor
|
django.template.base.Node |
Attribute | Value | Defined in |
---|---|---|
child_nodelists |
('nodelist',) |
django.template.base.Node |
must_be_first |
False |
django.template.base.Node |
token |
None |
django.template.base.Node |
def get_nodes_by_type(self, nodetype)
django.template.base.Node
Return a list of all nodes (within this node and its nodelist) of the given type
def get_nodes_by_type(self, nodetype):
"""
Return a list of all nodes (within this node and its nodelist)
of the given type
"""
nodes = []
if isinstance(self, nodetype):
nodes.append(self)
for attr in self.child_nodelists:
nodelist = getattr(self, attr, None)
if nodelist:
nodes.extend(nodelist.get_nodes_by_type(nodetype))
return nodes
def render(self, context)
django.template.defaulttags.DebugNode
django.template.defaulttags.DebugNode
Return the node rendered as a string.
def render(self, context):
if not settings.DEBUG:
return ""
from pprint import pformat
output = [escape(pformat(val)) for val in context]
output.append("\n\n")
output.append(escape(pformat(sys.modules)))
return "".join(output)
django.template.base.Node
Return the node rendered as a string.
def render(self, context):
"""
Return the node rendered as a string.
"""
pass
def render_annotated(self, context)
django.template.base.Node
Render the node. If debug is True and an exception occurs during rendering, the exception is annotated with contextual line information where it occurred in the template. For internal usage this method is preferred over using the render method directly.
def render_annotated(self, context):
"""
Render the node. If debug is True and an exception occurs during
rendering, the exception is annotated with contextual line information
where it occurred in the template. For internal usage this method is
preferred over using the render method directly.
"""
try:
return self.render(context)
except Exception as e:
if context.template.engine.debug:
# Store the actual node that caused the exception.
if not hasattr(e, "_culprit_node"):
e._culprit_node = self
if (
not hasattr(e, "template_debug")
and context.render_context.template.origin == e._culprit_node.origin
):
e.template_debug = (
context.render_context.template.get_exception_info(
e,
e._culprit_node.token,
)
)
raise