forked from ungleich-public/dynamicweb
73 lines
2.3 KiB
Python
73 lines
2.3 KiB
Python
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from django.core.exceptions import ImproperlyConfigured
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from django.template import engines
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from django.template.backends.django import DjangoTemplates
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from cms.app_registration import (
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autodiscover_cms_configs,
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backwards_compatibility_config,
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configure_cms_apps,
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get_cms_extension_apps,
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ready_cms_apps,
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)
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from cms.utils.compat.dj import is_installed as app_is_installed
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def validate_dependencies():
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"""
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Check for installed apps, their versions and configuration options
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"""
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from cms.utils.mptree import get_tree_backend
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# treebeard is only required for the (default) treebeard tree backend; the
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# dependency-free mptree backend neither imports nor needs it.
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if get_tree_backend() == "treebeard" and not app_is_installed("treebeard"):
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raise ImproperlyConfigured(
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'django CMS requires django-treebeard. Please install it and add "treebeard" to INSTALLED_APPS.'
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)
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def validate_settings():
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"""
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Check project settings file for required options
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"""
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django_engines = [engine for engine in engines.all() if isinstance(engine, DjangoTemplates)]
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if not django_engines:
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raise ImproperlyConfigured(
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"django CMS requires a template engine that inherits from "
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"'django.template.backends.django.DjangoTemplates'."
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)
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engine = django_engines[0]
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context_processors = engine.engine.context_processors
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template_request = "django.template.context_processors.request"
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if template_request not in context_processors:
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raise ImproperlyConfigured(
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"django CMS requires django.template.context_processors.request in "
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"'django.template.backends.django.DjangoTemplates' context processors."
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)
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def setup():
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"""
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Gather all checks and validations
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"""
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from cms.plugin_pool import plugin_pool
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validate_dependencies()
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validate_settings()
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plugin_pool.validate_templates()
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def setup_cms_apps():
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"""
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Check for django apps which provide functionality that extends the
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cms. Configure all apps which have configs that declare use of
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any of this functionality.
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"""
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autodiscover_cms_configs()
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cms_apps = get_cms_extension_apps()
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configure_cms_apps(cms_apps)
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backwards_compatibility_config()
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ready_cms_apps(cms_apps)
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