Models
This package contains all data models of the Integreat CMS.
Please refer to django.db.models
for general information about Django models.
Abstract Base Model
Abstract Content Model
- class integreat_cms.cms.models.abstract_content_model.AbstractContentModel(*args, **kwargs)[source]
Bases:
AbstractBaseModel
Abstract base class for all content models
- Parameters:
created_date (DateTimeField) – Creation date
Relationship fields:
- Parameters:
region (
ForeignKey
toRegion
) – Region
- available_translations() Iterator[Any] [source]
This method returns an iterator over all available translations, respecting the fallback_translations_enabled setting.
- Returns:
An iterator over all translations
- Return type:
Iterator[Any]
- backend_edit_link[source]
This function returns the absolute url to the edit form of this region
- Returns:
The url
- backend_translation[source]
This function returns the translation of this content object in the current backend language.
- Returns:
The backend translation of a content object
- best_translation[source]
This function returns the translation of this content object in the current backend language and if it doesn’t exist, it provides a fallback to the translation in the region’s default language.
- Returns:
The “best” translation of a content object for displaying in the backend
- default_public_translation[source]
This function returns the public translation of this content object in the region’s default language.
- Returns:
The default translation of a content object
- default_translation[source]
This function returns the translation of this content object in the region’s default language. Since a content object can only be created by creating a translation in the default language, this is guaranteed to return a object translation (Exception: When the default language tree node is changed to another language after the page has been created, the default translation might not exist).
- Returns:
The default translation of a content object
- property edit_lock_key: tuple[str | int | None, str][source]
This property returns the key that is used to lock this specific content object
- Returns:
A tuple of the id of this object and the classname
- property fallback_translations_enabled: bool[source]
Whether translations should be returned in the default language if they do not exist
- Returns:
Whether fallback translations are enabled
- get_locking_user() Any | None [source]
This method returns the user that is currently locking this content object.
- Returns:
The user
- Return type:
Any | None
- get_major_public_translation(language_slug: str) AbstractContentTranslation | None [source]
This function retrieves the newest major public translation of a content object.
- Parameters:
- Returns:
The public translation of a content object
- Return type:
AbstractContentTranslation | None
- get_major_translation(language_slug: str) AbstractContentTranslation | None [source]
This function retrieves the newest major translation of a content object.
- Parameters:
- Returns:
The public translation of a content object
- Return type:
AbstractContentTranslation | None
- get_prefetched_translations_by_language_slug(attr: str = 'prefetched_translations', **filters: Any) dict[str, AbstractContentTranslation] [source]
This method returns a mapping from language slugs to their latest translations of this object
- Parameters:
attr (str) – Which attribute should be tried to get the prefetched translations [optional, defaults to
"prefetched_translations"
]**filters (Any) – Additional filters to be applied on the translations (e.g. by status)
- Returns:
The prefetched translations by language slug
- Return type:
- get_public_or_draft_translation(language_slug: str) AbstractContentTranslation | None [source]
This function retrieves the newest public or draft translation of a content object.
- Parameters:
- Returns:
The public translation of a content object
- Return type:
AbstractContentTranslation | None
- get_public_translation(language_slug: str) AbstractContentTranslation | None [source]
This function retrieves the newest public translation of a content object.
- Parameters:
- Returns:
The public translation of a content object
- Return type:
AbstractContentTranslation | None
- get_repr() str [source]
This overwrites the default Django
__repr__()
method which would return<AbstractContentModel: AbstractContentModel object (id)>
. It is used for logging.- Returns:
The canonical string representation of the content object
- Return type:
- get_translation(language_slug: str) AbstractContentTranslation | None [source]
This function uses the reverse foreign key
self.translations
to get all translations ofself
and filters them to the requestedLanguage
slug.- Parameters:
- Returns:
The translation in the requested
Language
orNone
if no translation exists- Return type:
AbstractContentTranslation | None
- get_translation_state(language_slug: str) str [source]
This function returns the current state of a translation in the given language.
- hix_ignore: bool = False[source]
Whether the HIX value is ignored (this is
False
by default if not overwritten by a submodel)
- invalidate_cached_translations() None [source]
Delete all cached translations and query them from the database again when they are accessed next time.
This is helpful when new translations have been created and the content model should be reused.
- Return type:
None
- languages[source]
This property returns a list of all
Language
objects, to which a translation exists.- Returns:
The existing languages of this content object
- objects = <django.db.models.manager.ManagerFromContentQuerySet object>[source]
Django manager to access the ORM Use
AbstractContentModel.objects.all()
to fetch all objects.Custom model manager for content objects
- prefetched_major_public_translations_by_language_slug[source]
This method returns a mapping from language slugs to their major public translations of this object
- prefetched_major_translations_by_language_slug[source]
This method returns a mapping from language slugs to their major translations of this object
- prefetched_public_or_draft_translations_by_language_slug[source]
This method returns a mapping from language slugs to their public translations of this object
- prefetched_public_translations_by_language_slug[source]
This method returns a mapping from language slugs to their public translations of this object
- prefetched_translations_by_language_slug[source]
This method returns a mapping from language slugs to their latest translations of this object
- Returns:
The prefetched translations by language slug
- public_languages[source]
This property returns a list of all
Language
objects, to which a public translation exists and which are visible in this region.- Returns:
The existing languages of this content object
- translation_states[source]
This property calculates all translations states of the object
- Returns:
A dictionary containing each language as key and the given translation state as value
- class integreat_cms.cms.models.abstract_content_model.ContentQuerySet(model=None, query=None, using=None, hints=None)[source]
Bases:
QuerySet
This queryset provides the option to prefetch translations for content objects
- prefetch_major_public_translations() ContentQuerySet [source]
Get the queryset including the custom attribute
prefetched_major_public_translations
which contains the latest major (in other words not a minor edit) public translations of each content object in each language- Returns:
The queryset of content objects
- Return type:
- prefetch_major_translations() ContentQuerySet [source]
Get the queryset including the custom attribute
prefetched_major_translations
which contains the latest major (in other words not a minor edit) translations of each content object in each language- Returns:
The queryset of content objects
- Return type:
- prefetch_public_or_draft_translations() ContentQuerySet [source]
Get the queryset including the custom attribute
prefetched_public_or_draft_translations
which contains the latest public or draft translations of each content object in each language- Returns:
The queryset of content objects
- Return type:
- prefetch_public_translations() ContentQuerySet [source]
Get the queryset including the custom attribute
prefetched_public_translations
which contains the latest public translations of each content object in each language- Returns:
The queryset of content objects
- Return type:
- prefetch_translations(to_attr: str = 'prefetched_translations', **filters: Any) ContentQuerySet [source]
Get the queryset including the custom attribute
to_attr
which contains the latest translations of each content object in each language, optionally filtered by the givenstatus
- Parameters:
to_attr (str) – To which attribute the prefetched translations should be added [optional, defaults to
prefetched_translations
]**filters (Any) – Additional filters to be applied on the translations (e.g. by status)
- Returns:
The queryset of content objects
- Return type:
Abstract Content Translation
- class integreat_cms.cms.models.abstract_content_translation.AbstractContentTranslation(*args, **kwargs)[source]
Bases:
AbstractBaseModel
Data model representing a translation of some kind of content (e.g. pages or events)
- Parameters:
title (TruncatingCharField) – Title
slug (SlugField) – Link. String identifier without spaces and special characters. Unique per region and language. Leave blank to generate unique parameter from title.
status (CharField) –
Status
Manage choices in
status
content (TextField) – Content
currently_in_translation (BooleanField) – Currently in translation. Flag to indicate a translation is being updated by an external translator
machine_translated (BooleanField) – Machine translated. Flag to indicate whether a translations is machine translated
version (PositiveIntegerField) – Revision
minor_edit (BooleanField) – Minor edit. Tick if this change does not require an update of translations in other languages.
last_updated (DateTimeField) – Modification date
automatic_translation (BooleanField) – Automatic translation. Tick if updating this content should automatically refresh or create its translations.
Relationship fields:
- Parameters:
language (
ForeignKey
toLanguage
) – Languagecreator (
ForeignKey
toUser
) – Creator
- all_versions[source]
This property returns all versions of this translation’s page in its language
- Returns:
All versions of this translation
- available_languages_dict[source]
This property checks in which
Language
the content is translated apart fromself.language
It only returns languages which have a public translation, so drafts are not included here. The returned dict has the following format:{ available_translation.language.slug: { 'id': available_translation.id, 'url': available_translation.permalink 'path': available_translation.path }, ... }
- Returns:
A dictionary containing the available languages of a content translation
- backend_edit_link[source]
Generates the url of the edit page for the content
To be implemented in the inheriting model
- base_link[source]
Generates the base link which is the whole url without slug
For information about the components of such an url, see
get_absolute_url()
- Returns:
the base link of the content
- cleanup_autosaves() None [source]
Delete all
AUTO_SAVE
translations older than the second last manual save and renumber all affected versions to be continuous.- Return type:
None
- create_new_version_copy(user: User | None = None) AbstractContentTranslation [source]
Create a new version by copying
- Parameters:
user (User | None)
- Return type:
- static default_icon() str | None [source]
Returns the default icon that should be used for this content translation type, or None for no icon
- Return type:
str | None
- static foreign_field() Literal['page', 'event', 'poi'] [source]
The field name of the reference to the foreign object which the translation belongs to
To be implemented in the inheriting model
- Return type:
Literal[‘page’, ‘event’, ‘poi’]
- foreign_object[source]
Returns the object the translation belongs to This is needed to generalize the
slug_utils
for all content typesTo be implemented in the inheriting model
- full_url[source]
This property returns the full url of this content translation object
- Returns:
The full url
- get_absolute_url() str [source]
Generates the absolute url of the content translation object
Here is an example for demonstrating the components of a page url:
https://integreat.app/augsburg/en/welcome/city-map/attractions/ |-------------------------------------------------------------| full_url |----------------------------------------| get_absolute_url() |-------------------------------------------------| base_link |----------------------------| url_prefix |----------------| url_infix |-----------| slug
Here is an example for demonstrating the components of an event url:
https://integreat.app/augsburg/en/events/test-event/ |--------------------------------------------------| full_url |-----------------------------| get_absolute_url() |---------------------------------------| base_link |------------------| url_prefix |------| url_infix |----------| slug
- Returns:
The absolute url
- Return type:
- get_all_used_slugs() Iterable[str] [source]
- Returns:
All slugs that have been used by at least on version of this translation
- Return type:
Iterable[str]
- get_repr() str [source]
This overwrites the default Django
__repr__()
method. It is used for logging.- Returns:
The canonical string representation of the content translation
- Return type:
- hix_enabled[source]
This function returns whether the HIX API is enabled for this instance
- Returns:
Whether HIX is enabled
- hix_ignore[source]
Whether this translation is ignored for HIX calculation
- Returns:
Wether the HIX value is ignored
- hix_score = None[source]
The HIX score is
None
if not overwritten by a submodel
- hix_sufficient_for_mt[source]
Whether this translation has a sufficient HIX value for machine translations. If it is
None
, machine translations are allowed by default.- Returns:
Whether the HIX value is sufficient for MT
- is_outdated[source]
This property checks whether a translation is outdated and thus needs a new revision of the content. This happens, when the source translation is updated and the update is no minor_edit.
If the translation is currently being translated, it is considered not outdated.
If the translation’s language is the region’s default language, it is defined to be never outdated.
If the translation’s source translation is already outdated, then the translation itself also is.
If neither the translation nor its source translation have a latest major public translation, it is defined as not outdated.
If neither the translation nor its source translation have a latest major public translation, it is defined as not outdated.
Otherwise, the outdated flag is calculated by comparing the last_updated-field of the translation and its source translation.
- Returns:
Flag to indicate whether the translation is outdated
- is_up_to_date[source]
This property checks whether a translation is up to date. A translation is considered up to date when it is either explicitly set to up-to-date, or has been machine-translated.
- Returns:
Flag which indicates whether a translation is up to date
- latest_version[source]
This property is a link to the most recent version of this translation.
- Returns:
The latest revision of the translation
- link_title[source]
This property returns the html that should be used as a title for a link to this translation
- Returns:
The link content
- major_public_source_translation[source]
This property returns the latest major public version of the translation which was used to create the
self
translation. It derives this information from theRegion
’s rootLanguageTreeNode
.
- major_public_version[source]
This property is a link to the most recent major public version of this translation. This is used when translations, which are derived from this translation, check whether they are up to date.
- Returns:
The latest major public revision of the translation
- major_source_translation[source]
This property returns the latest major version of the translation which was used to create the
self
translation. It derives this information from theRegion
’s rootLanguageTreeNode
.
- major_version[source]
This property is a link to the most recent major version of this translation. This is used when translations, which are derived from this translation, check whether they are up to date.
- Returns:
The latest major public revision of the translation
- path() str [source]
This method returns a human-readable path that should uniquely identify this object within a given region If this content object does not have a hierarchy, just str(obj) should suffice
- Returns:
The path
- Return type:
- public_or_draft_source_translation[source]
This property returns the public and draft translation which was used to create the
self
translation. It derives this information from theRegion
’s rootLanguageTreeNode
.
- public_source_translation[source]
This property returns the public translation which was used to create the
self
translation. It derives this information from theRegion
’s rootLanguageTreeNode
.
- public_version[source]
This property is a link to the most recent public version of this translation. If the translation itself is not public, this property can return a revision which is older than
self
.- Returns:
The latest public revision of the translation
- read_only: bool = False[source]
Whether this object is read-only and not meant to be stored to the database
- replace_urls(urls_to_replace: dict[str, str], user: User | None = None, commit: bool = True) None [source]
Function to replace links that are in the translation and match the given keyword search
- rounded_hix_score[source]
return rounded-up hix_score
- save(*args: Any, **kwargs: Any) None [source]
This overwrites the default Django
save()
method, to update the last_updated field on changes.- Parameters:
*args (Any) – The supplied arguments
**kwargs (Any) – The supplied kwargs
- Raises:
RuntimeError – When the object was locked for database writes
- Return type:
None
- classmethod search(region: Region, language_slug: str, query: str) QuerySet [source]
Searches for all content translations which match the given query in their title or slug. :param region: The current region :param language_slug: The language slug :param query: The query string used for filtering the content translations :return: A query for all matching objects
- sitemap_alternates[source]
This property returns the language alternatives of a content translation for the use in sitemaps. Similar to
available_languages_dict()
, but in a slightly different format.- Returns:
A list of dictionaries containing the alternative translations of a content translation
- source_language[source]
This property returns the source language of this language in this
Region
’s language tree- Returns:
The source language of this translation
- source_translation[source]
This property returns the translation which was used to create the
self
translation. It derives this information from theRegion
’s rootLanguageTreeNode
.
- status[source]
Type:
CharField
Status
Choices:
DRAFT
REVIEW
PUBLIC
AUTO_SAVE
Manage choices in
status
- translation_state[source]
This function returns the current state of a translation in the given language.
- Returns:
A string describing the state of the translation, one of
CHOICES
- url_infix[source]
Generates the infix of the url of the content translation object
For information about the components of such an url, see
get_absolute_url()
To be implemented in the inheriting model
- url_prefix[source]
Generates the prefix of the url of the content translation object
For information about the components of such an url, see
get_absolute_url()
- Returns:
The prefix to the url
Abstract Tree Node
- class integreat_cms.cms.models.abstract_tree_node.AbstractTreeNode(*args, **kwargs)[source]
Bases:
NS_Node
,AbstractBaseModel
Abstract data model representing a tree node within a region.
- Parameters:
lft (PositiveIntegerField) – Lft
rgt (PositiveIntegerField) – Rgt
tree_id (PositiveIntegerField) – Tree id
depth (PositiveIntegerField) – Depth
Relationship fields:
- Parameters:
parent (
ForeignKey
toAbstractTreeNode
) – Parentregion (
ForeignKey
toRegion
) – Region
- add_child(**kwargs: Any) AbstractTreeNode [source]
Adds a child to the node
- Parameters:
**kwargs (Any) – The supplied keyword arguments
- Returns:
The new child
- Return type:
- add_sibling(pos: str | None = None, **kwargs: Any) AbstractTreeNode [source]
Adds a new node as a sibling to the current node object
- Parameters:
pos (str | None) – The position of the new sibling
**kwargs (Any) – The supplied keyword arguments
- Returns:
The new sibling
- Return type:
- cached_children[source]
Get all cached children
- Returns:
A list of all the node’s cached children
- cached_parent[source]
Get the parent node of the current node object. Caches the result in the object itself to help in loops.
- Returns:
The parent of the node
- classmethod find_problems() None [source]
Checks for problems in the tree structure.
This dummy method definition exists to silence pylint’s warning: Method ‘find_problems’ is abstract in class ‘Node’ but is not overridden (abstract-method)
- Return type:
None
- classmethod fix_tree() None [source]
Solves problems that can appear when transactions are not used and a piece of code breaks, leaving the tree in an inconsistent state.
This dummy method definition exists to silence pylint’s warning: Method ‘fix_tree’ is abstract in class ‘Node’ but is not overridden (abstract-method)
- Return type:
None
- get_cached_ancestors(include_self: bool = False) list[Self] [source]
Get the cached ancestors of a specific node
- get_cached_descendants(include_self: bool = False) list[Self] [source]
Get the cached descendants of a specific node
- classmethod get_region_root_nodes(region_slug: str) NS_NodeQuerySet [source]
Get all root nodes of a specific region
- classmethod get_region_tree(region_slug: str) NS_NodeQuerySet [source]
Get the tree of a specific region
- get_repr() str [source]
This overwrites the default Django
__repr__()
method which would return<AbstractTreeNode: AbstractTreeNode object (id)>
. It is used for logging.- Returns:
The canonical string representation of the tree node
- Return type:
- classmethod get_tree(parent: AbstractTreeNode | None = None) NS_NodeQuerySet [source]
Get the tree of a specific parent node
- Parameters:
parent (AbstractTreeNode | None) – The parent node of which the tree should be returned (optional, if no parent is given, all trees are returned.)
- Returns:
A
QuerySet
of nodes ordered as DFS, including the parent.- Return type:
NS_NodeQuerySet
- get_tree_max_depth(max_depth: int = 1) NS_NodeQuerySet [source]
Return all descendants with depth less or equal to max depth relative to this nodes depth
- Parameters:
max_depth (int) – The nodes maximum depth in the tree
- Returns:
This node including its descendants with relative max depth
- Return type:
NS_NodeQuerySet
- move(target: AbstractTreeNode, pos: str | None = None) None [source]
Moves the current node and all it’s descendants to a new position relative to another node.
- Parameters:
target (AbstractTreeNode) – The target mode which determines the new position
pos (str | None) – The new position of the page relative to the target (choices:
position
)
- Raises:
InvalidPosition – If the node is moved to another region
DBMutexError – If the DB mutex could not be retrieved
DBMutexTimeoutError – If waiting for the DB mutex timed out
- Return type:
None
- next_region_sibling[source]
Get the next node’s sibling, or None if it was the rightmost sibling.
- Returns:
The next node’s sibling in its region
- prev_region_sibling[source]
Get the previous node’s sibling, or None if it was the leftmost sibling.
- Returns:
The previous node’s sibling in its region
- class integreat_cms.cms.models.abstract_tree_node.AbstractTreeNodeManager(*args, **kwargs)[source]
Bases:
NS_NodeManager
Custom manager adding a stdout message to
AbstractTreeNode.objects.create()
- create(*args, **kwargs)[source]
Create an object. Direct use is discouraged, use
treebeard.models.Node.add_root()
,treebeard.models.Node.add_child()
ortreebeard.models.Node.add_sibling()
instead.
Decorators
Django model decorators can be used to modify inherited fields of abstract models.
- integreat_cms.cms.models.decorators.modify_fields(**kwargs: Any) Callable [source]
This decorator can be used to override properties of inherited django model fields.
- Parameters:
**kwargs (Any) – A mapping from model fields to their overridden key/value pairs
- Returns:
The decorated class
- Return type:
Callable