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Pep8 and clean up #3

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Pep8 and clean up #3

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45 changes: 23 additions & 22 deletions django_mustache/loader.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,65 +8,66 @@
from django.template.loaders import app_directories


# Note: cannot be a list of extensions because pystache.Renderer accepts only one.
MUSTACHE_FILE_EXTENSION = getattr(settings,
'MUSTACHE_FILE_EXTENSION',
'.mustache')
MUSTACHE_TEMPLATE_DIRS = getattr(settings,
'MUSTACHE_TEMPLATE_DIRS',
[os.path.join(settings.STATIC_ROOT, 'js', 'templates')])
# Note: cannot be a list of extensions
# because pystache.Renderer accepts only one.
MUSTACHE_FILE_EXTENSION = getattr(
settings, 'MUSTACHE_FILE_EXTENSION', '.mustache')
MUSTACHE_TEMPLATE_DIRS = getattr(
settings, 'MUSTACHE_TEMPLATE_DIRS',
[os.path.join(settings.STATIC_ROOT, 'js', 'templates')])


class MustacheTemplate(Template):
def __init__(self, source, origin=None, name=u"We will never know."):
def __init__(self, source, origin=None, name='We will never know.'):
# Note: source is parsed
self.source = source
self.name = name

@property
def nodelist(self):
# nice hack bro, makes it work with @inclusion_tag
# Nice hack bro, makes it work with @inclusion_tag
return self

def render(self, context):
context_dict = {}
for d in context.dicts: # flatten
for d in context.dicts: # Flatten
context_dict.update(d)

renderer = pystache.Renderer(search_dirs=MUSTACHE_TEMPLATE_DIRS,
file_extension=MUSTACHE_FILE_EXTENSION[1:])
renderer = pystache.Renderer(
search_dirs=MUSTACHE_TEMPLATE_DIRS,
file_extension=MUSTACHE_FILE_EXTENSION[1:])
return renderer.render(self.source, context_dict)


class MustacheLoader(app_directories.Loader):
is_usable = True
_parsed = {} # immutable! cache
_parsed = {} # Immutable! cache

def parse_mustache_template(self, origin, source):
if origin not in self._parsed or settings.DEBUG: # no cache in DEBUG mode
# No cache in DEBUG mode
if origin not in self._parsed or settings.DEBUG:
try:
self._parsed[origin] = pystache.parse(smart_unicode(source))
except pystache.parser.ParsingError, e:
# better error
raise pystache.parser.ParsingError("Mustache couldn't parse {0}, reason : '{1}'.".format(origin, e))
# Better error
raise pystache.parser.ParsingError(
"Mustache couldn't parse {0}, "
"reason : '{1}'.".format(origin, e))
return self._parsed[origin]

def load_template(self, template_name, template_dirs=None):
dummy, extension = os.path.splitext(template_name)

if extension == MUSTACHE_FILE_EXTENSION:
source, origin = self.load_template_source(template_name,
MUSTACHE_TEMPLATE_DIRS)



source, origin = self.load_template_source(
template_name, MUSTACHE_TEMPLATE_DIRS)
try:
parsed = self.parse_mustache_template(origin, source)
template = MustacheTemplate(parsed, origin=origin,
name=template_name)
return template, None
except TemplateDoesNotExist:
return source, origin

return super(MustacheLoader, self).load_template(
template_name, template_dirs)