def get_template(self, uri):
"""Fetch a template from the cache, or check the filesystem
for it
In addition to the basic filesystem lookup, this subclass will
use pkg_resource to load a file using the asset
specification syntax.
"""
isabs = os.path.isabs(uri)
if (not isabs) and (':' in uri):
# Windows can't cope with colons in filenames, so we replace the
# colon with a dollar sign in the filename mako uses to actually
# store the generated python code in the mako module_directory or
# in the temporary location of mako's modules
adjusted = uri.replace(':', '$')
try:
if self.filesystem_checks:
return self._check(adjusted, self._collection[adjusted])
else:
return self._collection[adjusted]
except KeyError:
asset = AssetResolver().resolve(uri)
if asset.exists():
srcfile = asset.abspath()
return self._load(srcfile, adjusted)
raise TopLevelLookupException(
"Can not locate template for uri %r" % uri)
try:
return TemplateLookup.get_template(self, uri)
except TemplateLookupException:
if isabs:
return self._load(uri, uri)
else:
raise
def get_template(self, uri):
"""
Fetch a template from this lookup.
If uri containers the ``super_delimiter``, expect it to join a 2-tuple
of ``(uri, dir)``. The ``dir`` component refers to the specific
directory within the lookup that the template should be fetched from.
"""
try:
if self.filesystem_checks:
return self._check(uri, self._collection[uri])
else:
return self._collection[uri]
except KeyError:
if self.super_delimiter in uri:
file_path, from_dir = uri.split(self.super_delimiter)
u = re.sub(r'^\/+', '', file_path)
srcfile = posixpath.normpath(posixpath.join(from_dir, u))
return self._load(srcfile, uri)
else:
dir, srcfile = self.find_dir_for_uri(uri)
if not dir:
raise TopLevelLookupException(
"Cant locate template for uri %r" % uri)
return self._load(srcfile, uri)
def get_template_name(environ):
"""
Extract the template name from the environment
"""
try:
template = environ['selector.vars']['template'] # the template
except KeyError:
try:
# try and get the template as the first path entry
template = environ.get('PATH_INFO', '').split('/')[1]
except (KeyError, IndexError):
from mako.exceptions import TopLevelLookupException
raise TopLevelLookupException('No template is specified')
return template
def get_template(self, uri):
try:
return super(AppTemplateLookup, self).get_template(uri)
except TopLevelLookupException:
if not hasattr(self, "app_dirs"):
from django.template.utils import get_app_template_dirs
setattr(self, "app_dirs", get_app_template_dirs("templates"))
u = re.sub(r'^\/+', '', uri)
for dir in self.app_dirs:
dir = dir.replace(os.path.sep, posixpath.sep)
srcfile = posixpath.normpath(posixpath.join(dir, u))
if os.path.isfile(srcfile):
return self._load(srcfile, uri)
else:
raise TopLevelLookupException("Cant locate template for uri %r" % uri)