def environment(**options):
env = Environment(extensions=['jinja2.ext.i18n'], **options)
env.install_gettext_callables(gettext=gettext_lazy,
ngettext=ngettext_lazy,
newstyle=True)
from django.template.defaultfilters import register as django_default_register
env.filters.update(django_default_register.filters)
from .templatetags.mytags import register
env.filters.update(register.filters)
for app_name in settings.INSTALLED_APPS:
try:
_register = import_library('%s.%s' % (app_name, 'templatetags'))
env.filters.update(_register.filters)
except Exception as e:
pass
env.globals.update({
'static': staticfiles_storage.url,
'url': reverse,
'reverse': reverse,
'settings': settings
})
return env
def _render_html(self, template_string, context={}):
# :(
if DJANGO_VERSION > (1, 9):
from django.template.library import import_library
tag_lib = import_library('testapp.tags')
else: # DJANGO_VERSION > (1,7):
from django.template.base import import_library
tag_lib = import_library('testapp.tags')
if DJANGO_VERSION > (1, 9):
lexer = Lexer(template_string)
else:
lexer = Lexer(template_string, self._make_origin())
parser = Parser(lexer.tokenize())
parser.add_library(tag_lib)
nodelist = parser.parse()
return nodelist.render(Context(context))
def get_templatetag_library(module):
"""Get the templatetag module's Library instance.
Needed for extracting template tags and filters.
Args:
module {str}: module's name (e.g. 'app_tags')
Returns:
{Library}
Raises:
{AttributeError}: nonexistent module
{InvalidTemplateLibrary}: the module does not have a variable
named `register`
"""
try:
if import_library is not None and get_installed_libraries is not None:
return import_library(get_installed_libraries().get(module))
else:
return get_library(module)
except (AttributeError, InvalidTemplateLibrary):
raise
def get_installed_libraries():
for module in tplbackend.get_installed_libraries().values():
try:
yield library.import_library(module)
except (ImproperlyConfigured, library.InvalidTemplateLibrary):
continue
def import_library(module):
return library.import_library(module)
def get_installed_libraries():
for module in tplbackend.get_installed_libraries().values():
try:
yield library.import_library(module)
except (ImproperlyConfigured, library.InvalidTemplateLibrary):
continue
def import_library(module):
return library.import_library(module)