def __call__(self, env, start_response):
ctx = WSGIContext(self.app)
app_iter = ctx._app_call(env)
try:
split_path(env['PATH_INFO'], 4, 4, True)
except ValueError:
pass # not an object request; don't care
else:
if env['REQUEST_METHOD'] == 'DELETE' and \
ctx._response_status[:3] == '404':
# Should be a cache hit
if is_success(
get_container_info(env, self.app,
swift_source='S3').get('status')):
# Convert to a successful response
ctx._response_status = '204 No Content'
ctx._response_headers = [
(h, '0' if h.lower() == 'content-length' else v)
for h, v in ctx._response_headers
]
with closing_if_possible(app_iter):
for chunk in app_iter:
pass # should be short; just drop it on the floor
app_iter = ['']
start_response(ctx._response_status, ctx._response_headers)
return app_iter
