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The lino.api.dd module (database design)

See also lino.api

Global application attributes

lino.api.dd.plugins

Shortcut to lino.core.site.Site.plugins.

lino.api.dd.logger

Shortcut to the main Lino logger.

Utilities

lino.api.dd.schedule_often(every=10)

Schedule the decorated function to be run “often” (default every 10 seconds).

lino.api.dd.schedule_daily()

Schedule the decorated function to be run “daily”.

The signature of the decorated function must be of the type: typing.Callable[[:class:`BaseRequest <lino.core.requests.BaseRequest>`], None]

Date related

lino.api.dd.today(*args, **kwargs)

Shortcut to lino.core.site.Site.today().

lino.api.dd.demo_date(*args, **kwargs)

Shortcut to lino.core.site.Site.demo_date(). Deprecated; it is recommented to call today() instead

lino.api.dd.fds(d)

lino.api.dd.fdf(d)

lino.api.dd.fdl(d)

lino.api.dd.fdm(d)

Shortcuts to functions of same name in lino.utils.format_date.

fds() adds support for class:IncompleteDate :<lino.fields.IncompleteDate>.

Actors

class lino.api.dd.Table

Shortcut to lino.core.dbtables.Table

class lino.api.dd.Choicelist

Shortcut to lino.core.choicelists.ChoiceList

class lino.api.dd.VirtualTable

Shortcut to lino.core.tables.VirtualTable

class lino.api.dd.VentilatingTable

Shortcut to lino.core.choicelists.ChoiceList

class lino.api.dd.Frame

Shortcut to lino.core.frames.Frame

Application:

• decfmt

• str2kw

• today

• strftime

• is_abstract_model

• is_installed

• add_welcome_handler

• build_media_url

• get_default_language

Extended Fields:

• CharField

• IncompleteDateField

• PasswordField

• MonthField

• PercentageField

• QuantityField

• PriceField

• CustomField

• RecurrenceField

• DummyField

• ForeignKey

Virtual Fields:

• Constant and @constant

• DisplayField and @displayfield

• VirtualField and @virtualfield

• HtmlBox

Layouts:

• DetailLayout

• Panel

• FormLayout no longer supported. Application code should use either InsertLayout or DetailLayout instead.

Utilities:

• obj2str

• obj2unicode

• range_filter, inrange_filter overlap_range_filter

• full_model_name

• fields_list

• chooser

• class:

  ParameterPanel <lino.core.utils.ParameterPanel>

Inter-app relations:

• resolve_field

• resolve_model

• resolve_app

• update_field

• inject_field

• inject_action

• update_model

• inject_quick_add_buttons

Signals:

• See Signals overview

Actions:

• Action

• ChangeStateAction

• MergeAction

• ShowSlaveTable

Permissions:

• UserGroups

• UserLevels

• SiteStaff, SiteUser, SiteAdmin

• login_required

Workflows:

• Workflow

• State