Add 'fanstatic' support for sake of libcache assets

for vue.js and oruga etc.

we don't want to include files in tailbone since they are apt to
change over time, and probably need to use different versions for
different apps etc.

much may need to change yet, this is a first attempt but so far it
seems quite promising

setup.cfg

@@ -57,6 +57,7 @@ install_requires =
         pyramid_beaker
         pyramid_deform
         pyramid_exclog
+        pyramid_fanstatic
         pyramid_mako
         pyramid_retry
         pyramid_tm

tailbone/app.py

@@ -129,6 +129,7 @@ def make_pyramid_config(settings, configure_csrf=True):
         # we want the new themes feature!
         establish_theme(settings)
 
+        settings.setdefault('fanstatic.versioning', 'true')
         settings.setdefault('pyramid_deform.template_search_path', 'tailbone:templates/deform')
         config = Configurator(settings=settings, root_factory=Root)
 
@@ -147,6 +148,7 @@ def make_pyramid_config(settings, configure_csrf=True):
     # Bring in some Pyramid goodies.
     config.include('tailbone.beaker')
     config.include('pyramid_deform')
+    config.include('pyramid_fanstatic')
     config.include('pyramid_mako')
     config.include('pyramid_tm')
 

tailbone/util.py

@@ -25,6 +25,7 @@ Utilities
 """
 
 import datetime
+import importlib
 import logging
 import warnings
 
@@ -195,6 +196,12 @@ def get_liburl(request, key, fallback=True):
 
     version = get_libver(request, key)
 
+    static = config.get('tailbone.static_libcache.module')
+    if static:
+        static = importlib.import_module(static)
+        needed = request.environ['fanstatic.needed']
+        liburl = needed.library_url(static.libcache) + '/'
+
     if key == 'buefy':
         return 'https://unpkg.com/buefy@{}/dist/buefy.min.js'.format(version)
 
@@ -211,24 +218,38 @@ def get_liburl(request, key, fallback=True):
         return 'https://use.fontawesome.com/releases/v{}/js/all.js'.format(version)
 
     elif key == 'bb_vue':
+        if static and hasattr(static, 'bb_vue_js'):
+            return liburl + static.bb_vue_js.relpath
         return f'https://unpkg.com/vue@{version}/dist/vue.esm-browser.prod.js'
 
     elif key == 'bb_oruga':
+        if static and hasattr(static, 'bb_oruga_js'):
+            return liburl + static.bb_oruga_js.relpath
         return f'https://unpkg.com/@oruga-ui/oruga-next@{version}/dist/oruga.mjs'
 
     elif key == 'bb_oruga_bulma':
+        if static and hasattr(static, 'bb_oruga_bulma_js'):
+            return liburl + static.bb_oruga_bulma_js.relpath
         return f'https://unpkg.com/@oruga-ui/theme-bulma@{version}/dist/bulma.mjs'
 
     elif key == 'bb_oruga_bulma_css':
+        if static and hasattr(static, 'bb_oruga_bulma_css'):
+            return liburl + static.bb_oruga_bulma_css.relpath
         return f'https://unpkg.com/@oruga-ui/theme-bulma@{version}/dist/bulma.css'
 
     elif key == 'bb_fontawesome_svg_core':
+        if static and hasattr(static, 'bb_fontawesome_svg_core_js'):
+            return liburl + static.bb_fontawesome_svg_core_js.relpath
         return f'https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-svg-core@{version}/+esm'
 
     elif key == 'bb_free_solid_svg_icons':
+        if static and hasattr(static, 'bb_free_solid_svg_icons_js'):
+            return liburl + static.bb_free_solid_svg_icons_js.relpath
         return f'https://cdn.jsdelivr.net/npm/@fortawesome/free-solid-svg-icons@{version}/+esm'
 
     elif key == 'bb_vue_fontawesome':
+        if static and hasattr(static, 'bb_vue_fontawesome_js'):
+            return liburl + static.bb_vue_fontawesome_js.relpath
         return f'https://cdn.jsdelivr.net/npm/@fortawesome/vue-fontawesome@{version}/+esm'