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+title: django.utils.translation activate code examples
+category: page
+slug: django-utils-translation-activate-examples
+sortorder: 500011494
+toc: False
+sidebartitle: django.utils.translation activate
+meta: Python example code for the activate function from the django.utils.translation module of the Django project.
+
+
+activate is a function within the django.utils.translation module of the Django project.
+
+
+## Example 1 from django-cms
+[django-cms](https://github.com/divio/django-cms)
+([project website](https://www.django-cms.org/en/)) is a Python-based
+content management system (CMS) [library](https://pypi.org/project/django-cms/)
+for use with Django web apps that is open sourced under the
+[BSD 3-Clause "New"](https://github.com/divio/django-cms/blob/develop/LICENSE)
+license.
+
+[**django-cms / cms / plugin_pool.py**](https://github.com/divio/django-cms/blob/develop/cms/./plugin_pool.py)
+
+```python
+# plugin_pool.py
+from operator import attrgetter
+
+from django.core.exceptions import ImproperlyConfigured
+from django.conf.urls import url, include
+from django.template.defaultfilters import slugify
+from django.utils.encoding import force_text
+from django.utils.functional import cached_property
+from django.utils.module_loading import autodiscover_modules
+~~from django.utils.translation import get_language, deactivate_all, activate
+from django.template import TemplateDoesNotExist, TemplateSyntaxError
+
+from six import string_types, text_type
+
+from cms.exceptions import PluginAlreadyRegistered, PluginNotRegistered
+from cms.plugin_base import CMSPluginBase
+from cms.utils.conf import get_cms_setting
+from cms.utils.helpers import normalize_name
+
+
+class PluginPool(object):
+
+    def __init__(self):
+        self.plugins = {}
+        self.discovered = False
+
+    def _clear_cached(self):
+        if 'registered_plugins' in self.__dict__:
+            del self.__dict__['registered_plugins']
+
+        if 'plugins_with_extra_menu' in self.__dict__:
+            del self.__dict__['plugins_with_extra_menu']
+
+        if 'plugins_with_extra_placeholder_menu' in self.__dict__:
+
+
+## ... source file abbreviated to get to activate examples ...
+
+
+
+    def get_plugin(self, name):
+        self.discover_plugins()
+        return self.plugins[name]
+
+    def get_patterns(self):
+        self.discover_plugins()
+
+        lang = get_language()
+        deactivate_all()
+
+        try:
+            url_patterns = []
+            for plugin in self.registered_plugins:
+                p = plugin()
+                slug = slugify(force_text(normalize_name(p.__class__.__name__)))
+                url_patterns += [
+                    url(r'^plugin/%s/' % (slug,), include(p.plugin_urls)),
+                ]
+        finally:
+~~            activate(lang)
+
+        return url_patterns
+
+    def get_system_plugins(self):
+        self.discover_plugins()
+        return [plugin.__name__ for plugin in self.plugins.values() if plugin.system]
+
+    @cached_property
+    def registered_plugins(self):
+        return self.get_all_plugins()
+
+    @cached_property
+    def plugins_with_extra_menu(self):
+        plugin_classes = [cls for cls in self.registered_plugins
+                          if cls._has_extra_plugin_menu_items]
+        return plugin_classes
+
+    @cached_property
+    def plugins_with_extra_placeholder_menu(self):
+        plugin_classes = [cls for cls in self.registered_plugins
+                          if cls._has_extra_placeholder_menu_items]
+        return plugin_classes
+
+
+
+
+## ... source file continues with no further activate examples...
+
+```
+
+
+## Example 2 from django-sitetree
+[django-sitetree](https://github.com/idlesign/django-sitetree)
+([project documentation](https://django-sitetree.readthedocs.io/en/latest/)
+and
+[PyPI package information](https://pypi.org/project/django-sitetree/))
+is a [Django](/django.html) extension that makes it easier for
+developers to add site trees, menus and breadcrumb navigation elements
+to their web applications.
+
+The django-sitetree project is provided as open source under the
+[BSD 3-Clause "New" or "Revised" License](https://github.com/idlesign/django-sitetree/blob/master/LICENSE).
+
+[**django-sitetree / sitetree / tests / test_templatetags.py**](https://github.com/idlesign/django-sitetree/blob/master/sitetree/tests/test_templatetags.py)
+
+```python
+# test_templatetags.py
+import pytest
+from django.template.base import TemplateSyntaxError
+~~from django.utils.translation import activate, deactivate_all
+
+from sitetree.exceptions import SiteTreeError
+from sitetree.settings import ALIAS_THIS_ANCESTOR_CHILDREN, ALIAS_THIS_CHILDREN, ALIAS_THIS_PARENT_SIBLINGS, \
+    ALIAS_THIS_SIBLINGS, ALIAS_TRUNK
+
+
+def test_items_hook(template_render_tag, template_context, common_tree):
+
+    from sitetree.toolbox import register_items_hook
+
+    with pytest.raises(SiteTreeError):
+        register_items_hook(lambda: [])
+
+    def my_processor(tree_items, tree_sender):
+        for item in tree_items:
+            item.hint = f'hooked_hint_{item.title}'
+        return tree_items
+
+    register_items_hook(my_processor)
+    result = template_render_tag('sitetree', 'sitetree_tree from "mytree"', template_context())
+
+    assert 'hooked_hint_Darwin' in result
+    assert 'hooked_hint_Australia' in result
+    assert 'hooked_hint_China' in result
+
+
+## ... source file abbreviated to get to activate examples ...
+
+
+    from sitetree.toolbox import register_i18n_trees
+
+    build_tree(
+        {'alias': 'i18tree'},
+        [{'title': 'My title', 'url': '/url_default/'}],
+    )
+    build_tree(
+        {'alias': 'i18tree_ru'},
+        [{'title': 'Заголовок', 'url': '/url_ru/'}],
+    )
+    build_tree(
+        {'alias': 'i18tree_pt-br'},
+        [{'title': 'Meu Título', 'url': '/url_pt-br/'}],
+    )
+    build_tree(
+        {'alias': 'i18tree_zh-hans'},
+        [{'title': '我蒂特', 'url': '/url_zh-hans/'}],
+    )
+    register_i18n_trees(['i18tree'])
+
+~~    activate('en')
+    result = template_render_tag('sitetree', 'sitetree_tree from "i18tree"', template_context())
+
+    assert '/url_default/' in result
+    assert 'My title' in result
+
+~~    activate('ru')
+    result = template_render_tag('sitetree', 'sitetree_tree from "i18tree"', template_context())
+
+    assert '/url_ru/' in result
+    assert 'Заголовок' in result
+
+~~    activate('pt-br')
+    result = template_render_tag('sitetree', 'sitetree_tree from "i18tree"', template_context())
+
+    assert '/url_pt-br/' in result
+    assert 'Meu Título' in result
+
+~~    activate('zh-hans')
+    result = template_render_tag('sitetree', 'sitetree_tree from "i18tree"', template_context())
+
+    assert '/url_zh-hans/' in result
+    assert '我蒂特' in result
+
+    deactivate_all()
+
+
+def test_restricted(user_create, template_render_tag, template_context, common_tree):
+    context = template_context()
+    result = template_render_tag('sitetree', 'sitetree_tree from "mytree"', context)
+
+    assert '"/contacts/australia/darwin/"' in result
+    assert '"/contacts/australia/alice/"' not in result
+
+    context = template_context(user=user_create())
+    result = template_render_tag('sitetree', 'sitetree_tree from "mytree"', context)
+
+    assert '"/contacts/australia/darwin/"' not in result
+    assert '"/contacts/australia/alice/"' in result
+
+
+def test_permissions(user_create, build_tree, template_render_tag, template_context):
+
+
+
+## ... source file continues with no further activate examples...
+
+```
+