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Add THEME_TEMPLATE_OVERRIDES. Refs 2021

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Allow for overriding individual templates from the theme by configuring
the Jinja2 `Environment` loader to search for templates in the
`THEME_TEMPLATES_OVERRIDES` path before the theme's `templates/`
directory.
This commit is contained in:
Pedro H 2016-10-16 15:47:22 +08:00
commit 50af2ed45d
8 changed files with 134 additions and 17 deletions
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21
pelican/generators.py
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@ -51,20 +51,25 @@ class Generator(object):
# templates cache
self._templates = {}
self._templates_path = []
self._templates_path.append(os.path.expanduser(
os.path.join(self.theme, 'templates')))
self._templates_path += self.settings['EXTRA_TEMPLATES_PATHS']
self._templates_path = list(self.settings['THEME_TEMPLATES_OVERRIDES'])
theme_path = os.path.dirname(os.path.abspath(__file__))
theme_templates_path = os.path.expanduser(
os.path.join(self.theme, 'templates'))
self._templates_path.append(theme_templates_path)
theme_loader = FileSystemLoader(theme_templates_path)
simple_theme_path = os.path.dirname(os.path.abspath(__file__))
simple_loader = FileSystemLoader(
os.path.join(simple_theme_path, "themes", "simple", "templates"))
simple_loader = FileSystemLoader(os.path.join(theme_path,
"themes", "simple", "templates"))
self.env = Environment(
loader=ChoiceLoader([
FileSystemLoader(self._templates_path),
simple_loader, # implicit inheritance
PrefixLoader({'!simple': simple_loader}) # explicit one
PrefixLoader({
'!simple': simple_loader,
'!theme': theme_loader
}) # explicit ones
]),
**self.settings['JINJA_ENVIRONMENT']
)