69 lines
2.3 KiB
ReStructuredText
69 lines
2.3 KiB
ReStructuredText
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Template Lookup
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===============
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The discovery of templates is handled by Mako, and is configurable.
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WuttaWeb comes with all templates it needs, in the path designated as
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``wuttaweb:templates``.
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When the app renders a page, it invokes the Mako lookup logic, which
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searches one or more folders and returns the first matching file it
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encounters. By default ``wuttaweb:templates`` is the only place it
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looks.
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A template is searched for by "name" but it is more path-like, e.g.
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``/page.mako`` or ``/master/index.mako`` etc. So for example the file
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at ``wuttaweb:templates/home.mako`` is used for home page (using
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lookup name ``/home.mako``) by default.
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.. _mako-template-override:
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Overriding the Search Paths
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~~~~~~~~~~~~~~~~~~~~~~~~~~~
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The basic idea is to give it a list of paths it should search when
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trying to find a template. The first template file found for a given
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search name is used and no further search is done for that name.
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You can define the Mako lookup sequence in your ``web.conf`` as
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follows:
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.. code-block:: ini
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[app:main]
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mako.directories =
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/random/path/on/disk
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poser.web:templates
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wuttaweb:templates
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This setting is interpreted by ``pyramid_mako`` (`docs`_).
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.. _docs: https://docs.pylonsproject.org/projects/pyramid_mako/en/latest/index.html#mako-directories
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Here ``wuttaweb:templates/home.mako`` would still be used by default
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for home page, *unless* e.g. ``/random/path/on/disk/home.mako``
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existed in which case that would be used.
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Each path can have an arbitrary set of templates, they will
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effectively be combined to a single set by the app, with the
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definition order determining search priority.
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If you are already using a custom ``app.main()`` function for
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constructing the web app during startup, it may be a good idea to
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change the *default* search paths to include your package.
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Setup for custom ``app.main()`` is beyond the scope here, but assuming
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you *do* already have one, this is what it looks like::
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from wuttaweb import app as base
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def main(global_config, **settings):
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# nb. set the *default* mako search paths; however config can
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# still override with method shown above
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settings.setdefault('mako.directories', ['poser.web:templates',
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'wuttaweb:templates'])
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return base.main(global_config, **settings)
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