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feat: on_xx_loaded extension hooks (#1242)
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Browse source 
* feat: on_xx_loaded extension hooks

* refactor: fix tests
This commit is contained in:
Juro Oravec 2025-06-08 17:28:10 +02:00 • committed by GitHub
parent efe5eb0ba5
commit 09bcf8dbcc
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11 changed files with 720 additions and 113 deletions
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14
src/django_components/component.py
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@ -32,7 +32,7 @@ from django_components.component_media import ComponentMediaInput, ComponentMedi
from django_components.component_registry import ComponentRegistry
from django_components.component_registry import registry as registry_
from django_components.constants import COMP_ID_PREFIX
from django_components.context import _COMPONENT_CONTEXT_KEY, make_isolated_context_copy
from django_components.context import _COMPONENT_CONTEXT_KEY, COMPONENT_IS_NESTED_KEY, make_isolated_context_copy
from django_components.dependencies import (
DependenciesStrategy,
cache_component_css,
@ -2314,9 +2314,6 @@ class Component(metaclass=ComponentMeta):
cls.class_id = hash_comp_cls(cls)
comp_cls_id_mapping[cls.class_id] = cls
# Make sure that subclassed component will store it's own template, not the parent's.
cls._template = None
ALL_COMPONENTS.append(cached_ref(cls)) # type: ignore[arg-type]
extensions._init_component_class(cls)
extensions.on_component_class_created(OnComponentClassCreatedContext(cls))
@ -3517,14 +3514,14 @@ class Component(metaclass=ComponentMeta):
# Then we can simply apply `template_data` to the context in the same layer
# where we apply `context_processor_data` and `component_vars`.
with prepare_component_template(component, template_data) as template:
# Set `Template._djc_is_component_nested` based on whether we're currently INSIDE
# Set `_DJC_COMPONENT_IS_NESTED` based on whether we're currently INSIDE
# the `{% extends %}` tag.
# Part of fix for https://github.com/django-components/django-components/issues/508
# See django_monkeypatch.py
if template is not None:
template._djc_is_component_nested = bool(
context.render_context.get(BLOCK_CONTEXT_KEY) # type: ignore[union-attr]
)
comp_is_nested = bool(context.render_context.get(BLOCK_CONTEXT_KEY)) # type: ignore[union-attr]
else:
comp_is_nested = False
# Capture the template name so we can print better error messages (currently used in slots)
component_ctx.template_name = template.name if template else None
@ -3535,6 +3532,7 @@ class Component(metaclass=ComponentMeta):
**component.context_processors_data,
# Private context fields
_COMPONENT_CONTEXT_KEY: render_id,
COMPONENT_IS_NESTED_KEY: comp_is_nested,
# NOTE: Public API for variables accessible from within a component's template
# See https://github.com/django-components/django-components/issues/280#issuecomment-2081180940
"component_vars": ComponentVars(