def get_template_env(theme=None):
"""
Creates and return the templates environment for multiple sources.
"""
# Initializes the current environment
custom_loaders = []
if settings.TEMPLATE_LOADERS:
def import_and_get_loader(s):
try:
path, loader_name = s.rsplit(".", 1)
except ValueError:
raise ImproperlyConfigured("Invalid TEMPLATE_LOADER '%s'." % s)
try:
mod = import_anything(path)
except ImportError:
raise ImproperlyConfigured("Module '%s' wasn't found." % path)
try:
loader = getattr(mod, loader_name)
except AttributeError:
raise ImproperlyConfigured("Loader '%s' not found." % loader_name)
return loader()
custom_loaders = [import_and_get_loader(loader) for loader in settings.TEMPLATE_LOADERS]
loaders = reduce(lambda a, b: a + b, get_template_loaders.send())
loader = ChoiceLoader(custom_loaders + loaders)
template_env = Environment(loader=loader, extensions=settings.TEMPLATE_EXTENSIONS)
template_env.theme = theme
# Loads template filters
for path in settings.TEMPLATE_FILTERS:
mod = import_anything(path)
for attr in dir(mod):
item = getattr(mod, attr)
if getattr(item, "environmentfilter", False):
template_env.filters[attr] = item
return template_env
