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Merge branch 'master' of https://github.com/cbhaley/calibre

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Kovid Goyal 2025-01-22 18:55:40 +05:30
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manual/gui.rst
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@ -743,7 +743,7 @@ To choose icons for values in categories, right-click on a value then choose `Ma
* ``count``: the number of books with this value. If the value is part of a hierarchy then the count includes the children.
* ``avg_rating``: the average rating for books with this value. If the value is part of a hierarchy then the average includes the children.
Book metadata such as title is not available. Template database functions such as book_count() and book_values() will work, but the performance might not be acceptable. The following template functions will work in the GUI but won't work in the content server: ``connected_device_name()``, ``connected_device_uuid()``, ``current_virtual_library_name()``, ``is_marked()``, and ``virtual_libraries()``.
Book metadata such as title is not available. Template database functions such as :ref:`ff_book_count` and :ref:`ff_book_values` will work, but the performance might not be acceptable. The following template functions will work in the GUI but won't work in the content server: :ref:`ff_connected_device_name`, :ref:`ff_connected_device_uuid`, :ref:`ff_current_virtual_library_name`, :ref:`ff_is_marked`, and :ref:`ff_virtual_libraries`.
In the GUI, Python templates have full access to the calibre database. In the content server, Python templates have access to new API (see `API documentation for the database interface <https://manual.calibre-ebook.com/db_api.html>`_) but not the old API (LibraryDatabase).

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manual/template_lang.rst
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@ -629,6 +629,29 @@ User-defined Python template functions
You can add your own Python functions to the template processor. Such functions can be used in any of the three template programming modes. The functions are added by going to :guilabel:`Preferences -> Advanced -> Template functions`. Instructions are shown in that dialog. Note that you can use `Python Templates` for a similar purpose. As calling user-defined functions is faster than calling a Python template, user-defined functions might be more efficient depending on the complexity of what the function or template does.
Special notes for using templates in difference contexts
--------------------------------------------------------
In the GUI (`Columns made from other columns` and `Template searches`):
* GPM templates work as before.
* Python templates have full access to the calibre database.
In icon rules:
* icon rule templates have no book data so field-based functions such as :ref:`ff_format_date_field`, :ref:`ff_list_count_field`, and :ref:`ff_check_yes_no` won't work.
In the content server:
* Templates have access to the new API but not the old API (LibraryDatabase).
* Because of the above, the following formatter functions are not guaranteed to work in GPM templates (composite columns, icon rules, etc) and should be avoided if you use the content server:
* :ref:`ff_connected_device_name`
* :ref:`ff_connected_device_uuid`
* :ref:`ff_current_virtual_library_name`
* :ref:`ff_is_marked`
* :ref:`ff_virtual_libraries`
Special notes for save/send templates
---------------------------------------