103 lines
3.0 KiB
Python
103 lines
3.0 KiB
Python
|
import functools
|
||
|
|
from pathlib import Path
|
||
|
|
|
||
|
|
from django.conf import settings
|
||
|
|
from django.template.backends.django import DjangoTemplates
|
||
|
|
from django.template.loader import get_template
|
||
|
|
from django.utils.functional import cached_property
|
||
|
|
from django.utils.module_loading import import_string
|
||
|
|
|
||
|
|
|
||
|
|
@functools.lru_cache
|
||
|
|
def get_default_renderer():
|
||
|
|
renderer_class = import_string(settings.FORM_RENDERER)
|
||
|
|
return renderer_class()
|
||
|
|
|
||
|
|
|
||
|
|
class BaseRenderer:
|
||
|
|
# RemovedInDjango50Warning: When the deprecation ends, replace with
|
||
|
|
# form_template_name = "django/forms/div.html"
|
||
|
|
# formset_template_name = "django/forms/formsets/div.html"
|
||
|
|
form_template_name = "django/forms/default.html"
|
||
|
|
formset_template_name = "django/forms/formsets/default.html"
|
||
|
|
|
||
|
|
def get_template(self, template_name):
|
||
|
|
raise NotImplementedError("subclasses must implement get_template()")
|
||
|
|
|
||
|
|
def render(self, template_name, context, request=None):
|
||
|
|
template = self.get_template(template_name)
|
||
|
|
return template.render(context, request=request).strip()
|
||
|
|
|
||
|
|
|
||
|
|
class EngineMixin:
|
||
|
|
def get_template(self, template_name):
|
||
|
|
return self.engine.get_template(template_name)
|
||
|
|
|
||
|
|
@cached_property
|
||
|
|
def engine(self):
|
||
|
|
return self.backend(
|
||
|
|
{
|
||
|
|
"APP_DIRS": True,
|
||
|
|
"DIRS": [Path(__file__).parent / self.backend.app_dirname],
|
||
|
|
"NAME": "djangoforms",
|
||
|
|
"OPTIONS": {},
|
||
|
|
}
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
class DjangoTemplates(EngineMixin, BaseRenderer):
|
||
|
|
"""
|
||
|
|
Load Django templates from the built-in widget templates in
|
||
|
|
django/forms/templates and from apps' 'templates' directory.
|
||
|
|
"""
|
||
|
|
|
||
|
|
backend = DjangoTemplates
|
||
|
|
|
||
|
|
|
||
|
|
class Jinja2(EngineMixin, BaseRenderer):
|
||
|
|
"""
|
||
|
|
Load Jinja2 templates from the built-in widget templates in
|
||
|
|
django/forms/jinja2 and from apps' 'jinja2' directory.
|
||
|
|
"""
|
||
|
|
|
||
|
|
@cached_property
|
||
|
|
def backend(self):
|
||
|
|
from django.template.backends.jinja2 import Jinja2
|
||
|
|
|
||
|
|
return Jinja2
|
||
|
|
|
||
|
|
|
||
|
|
class DjangoDivFormRenderer(DjangoTemplates):
|
||
|
|
"""
|
||
|
|
Load Django templates from django/forms/templates and from apps'
|
||
|
|
'templates' directory and use the 'div.html' template to render forms and
|
||
|
|
formsets.
|
||
|
|
"""
|
||
|
|
|
||
|
|
# RemovedInDjango50Warning Deprecate this class in 5.0 and remove in 6.0.
|
||
|
|
|
||
|
|
form_template_name = "django/forms/div.html"
|
||
|
|
formset_template_name = "django/forms/formsets/div.html"
|
||
|
|
|
||
|
|
|
||
|
|
class Jinja2DivFormRenderer(Jinja2):
|
||
|
|
"""
|
||
|
|
Load Jinja2 templates from the built-in widget templates in
|
||
|
|
django/forms/jinja2 and from apps' 'jinja2' directory.
|
||
|
|
"""
|
||
|
|
|
||
|
|
# RemovedInDjango50Warning Deprecate this class in 5.0 and remove in 6.0.
|
||
|
|
|
||
|
|
form_template_name = "django/forms/div.html"
|
||
|
|
formset_template_name = "django/forms/formsets/div.html"
|
||
|
|
|
||
|
|
|
||
|
|
class TemplatesSetting(BaseRenderer):
|
||
|
|
"""
|
||
|
|
Load templates using template.loader.get_template() which is configured
|
||
|
|
based on settings.TEMPLATES.
|
||
|
|
"""
|
||
|
|
|
||
|
|
def get_template(self, template_name):
|
||
|
|
return get_template(template_name)
|