TemplateNotFound: item-404.html
__call__ 'Flask.blueprints instead'), stacklevel=2)
return self.blueprints
def __call__(self, environ, start_response):
"""Shortcut for :attr:`wsgi_app`."""
return self.wsgi_app(environ, start_response)
def __repr__(self):
return '<%s %r>' % (
self.__class__.__name__,
self.name,wsgi_app try:
try:
response = self.full_dispatch_request()
except Exception as e:
error = e
response = self.make_response(self.handle_exception(e))
return response(environ, start_response)
finally:
if self.should_ignore_error(error):
error = None
ctx.auto_pop(error)handle_exception # if we want to repropagate the exception, we can attempt to
# raise it with the whole traceback in case we can do that
# (the function was actually called from the except part)
# otherwise, we just raise the error again
if exc_value is e:
reraise(exc_type, exc_value, tb)
else:
raise e
self.log_exception((exc_type, exc_value, tb))
if handler is None:wsgi_app ctx = self.request_context(environ)
ctx.push()
error = None
try:
try:
response = self.full_dispatch_request()
except Exception as e:
error = e
response = self.make_response(self.handle_exception(e))
return response(environ, start_response)
finally:full_dispatch_request request_started.send(self)
rv = self.preprocess_request()
if rv is None:
rv = self.dispatch_request()
except Exception as e:
rv = self.handle_user_exception(e)
response = self.make_response(rv)
response = self.process_response(response)
request_finished.send(self, response=response)
return response
handle_user_exception app_handlers = self.error_handler_spec[None].get(None, ())
for typecheck, handler in chain(blueprint_handlers, app_handlers):
if isinstance(e, typecheck):
return handler(e)
reraise(exc_type, exc_value, tb)
def handle_exception(self, e):
"""Default exception handling that kicks in when an exception
occurs that is not caught. In debug mode the exception will
be re-raised immediately, otherwise it is logged and the handlerfull_dispatch_request self.try_trigger_before_first_request_functions()
try:
request_started.send(self)
rv = self.preprocess_request()
if rv is None:
rv = self.dispatch_request()
except Exception as e:
rv = self.handle_user_exception(e)
response = self.make_response(rv)
response = self.process_response(response)
request_finished.send(self, response=response)dispatch_request # request came with the OPTIONS method, reply automatically
if getattr(rule, 'provide_automatic_options', False) \
and req.method == 'OPTIONS':
return self.make_default_options_response()
# otherwise dispatch to the handler for that endpoint
return self.view_functions[rule.endpoint](**req.view_args)
def full_dispatch_request(self):
"""Dispatches the request and on top of that performs request
pre and postprocessing as well as HTTP exception catching and
error handling.item except NameError:
items = graph.get_all(label)
return render_template(request.url, 'item-404.html',
items=items['nodes'],
search=graph.search(uid)['nodes'],
label=label)
node = data['node']
rels = data['rels']
# ----- page header/metadatarender_template return templates[url] or None
def render_template(url, template, **kwargs):
''' store a rendered template '''
templates[url] = flask_render_template(template, **kwargs)
return templates[url]
def get_node(uid):
''' get a node or return an error '''render_template :param context: the variables that should be available in the
context of the template.
"""
ctx = _app_ctx_stack.top
ctx.app.update_template_context(context)
return _render(ctx.app.jinja_env.get_or_select_template(template_name_or_list),
context, ctx.app)
def render_template_string(source, **context):
"""Renders a template from the given template source stringget_or_select_template :meth:`get_template`.
.. versionadded:: 2.3
"""
if isinstance(template_name_or_list, string_types):
return self.get_template(template_name_or_list, parent, globals)
elif isinstance(template_name_or_list, Template):
return template_name_or_list
return self.select_template(template_name_or_list, parent, globals)
def from_string(self, source, globals=None, template_class=None):get_template """
if isinstance(name, Template):
return name
if parent is not None:
name = self.join_path(name, parent)
return self._load_template(name, self.make_globals(globals))
@internalcode
def select_template(self, names, parent=None, globals=None):
"""Works like :meth:`get_template` but tries a number of templates
before it fails. If it cannot find any of the templates, it will_load_template def _load_template(self, name, globals):
if self.loader is None:
raise TypeError('no loader for this environment specified')
try:
# use abs path for cache key
cache_key = self.loader.get_source(self, name)[1]
except RuntimeError:
# if loader does not implement get_source()
cache_key = None
# if template is not file, use name for cache key
if cache_key is None:get_source try:
return loader.get_source(environment, local_name)
except TemplateNotFound:
pass
raise TemplateNotFound(template)
def _iter_loaders(self, template):
loader = self.app.jinja_loader
if loader is not None:
yield loader, templateTemplateNotFound: item-404.html
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