def update_context(self, context):
context.setdefault('settings', settings._current_obj())
if registry_has_object(user):
context.setdefault('user', user._current_obj())
else:
context.setdefault('user', None)
if registry_has_object(rg):
context.setdefault('rg', rg)
else:
context.setdefault('rg', None)
def update_context(self, context):
context.setdefault('settings', settings._current_obj())
if registry_has_object(user):
context.setdefault('user', user._current_obj())
else:
context.setdefault('user', None)
if registry_has_object(rg):
context.setdefault('rg', rg)
else:
context.setdefault('rg', None)
def prefix_relative_url(url):
"""
If the url given is an absolute url of any of the following forms:
http(s)://example.com/the-page
/the-page
/
then the url will be returned as-is. But if it is a relative url:
the-page
or an empty string "", then it will be prefixed with forward slash (/)
as well as the script-name of the current environment if applicable.
Note: this function checks for the presence of the current environment
in a safe way and can therefore be used both inside and outside of a
request context.
"""
if url.startswith('http') or url.startswith('/'):
return url
if registry_has_object(rg):
script_name = rg.request.script_root
if script_name:
return '/%s/%s' % (script_name.lstrip('/'), url)
return '/%s' % url
def prefix_relative_url(url):
"""
If the url given is an absolute url of any of the following forms:
http(s)://example.com/the-page
/the-page
/
then the url will be returned as-is. But if it is a relative url:
the-page
or an empty string "", then it will be prefixed with forward slash (/)
as well as the script-name of the current environment if applicable.
Note: this function checks for the presence of the current environment
in a safe way and can therefore be used both inside and outside of a
request context.
"""
if url.startswith('http') or url.startswith('/'):
return url
if registry_has_object(rg):
script_name = rg.request.script_root
if script_name:
return '/%s/%s' % (script_name.lstrip('/'), url)
return '/%s' % url
def builtin_import(self,
name,
globals={},
locals={},
fromlist=[],
level=default_import_level):
mod = self._builtin_import(name, globals, locals, fromlist, level)
# for module reloading purposes in visitmods(), we need to keep track
# of what application imported a module. But we only need to do that
# for modules that are in BlazeWeb applications or are BW components
if registry_has_object(ag) and registry_has_object(settings):
# is this module part of the main or supporting app?
toplevel = name.split('.')[0]
if toplevel in listapps() or toplevel in list_component_packages():
mod._blazeweb_hierarchy_last_imported_by = id(ag.app)
return mod
def _user(self):
"""Lazy initial creation of user object"""
if '_user_inst' in self.__dict__:
# if we get called a second time, then
# there is already a User instance behind the "user" SOP, that
# means something called user._curr_obj() and got ahold of this
# UserProxy instance. The problem is, the code is likely going
# to continue calling this instance, instead of the "user" SOP,
# therefore, we need to continue proxying the real User instance
# hoping the calling code lets go of us eventually
# If we continue, didn't do this the code below would try to pop the
# User instance off the SOP and throw a TypeError
return self.__dict__['_user_inst']
# load user instance from the beaker session if possible
if registry_has_object(rg) and rg.session is not None:
if '__blazeweb_user' in rg.session:
user_inst = rg.session['__blazeweb_user']
else:
user_inst = self._new_user_instance()
rg.session['__blazeweb_user'] = user_inst
else:
user_inst = self._new_user_instance()
# save the user instance in case we get called again
self.__dict__['_user_inst'] = user_inst
# replace underlying object on the user global variable to be the real
# user instance. The user has been accessed, so no need to proxy
# anymore. After we replace ourselves, future calls to the global
# "user" SOP variable will go to the real user instance, instead of
# this UserProxy instance.
if registry_has_object(guser):
guser_cur_obj = guser._current_obj()
if not isinstance(guser_cur_obj, UserProxy):
raise TypeError(
'UserProxy tried to unregister a class of type: %s' %
guser_cur_obj)
rg.environ['paste.registry'].register(guser, user_inst)
return user_inst
def handle_exception(self, e):
"""Default exception handling that kicks in when an exception
occours that is not caught. In debug mode the exception will
be re-raised immediately, otherwise it is logged an the handler
for an 500 internal server error is used. If no such handler
exists, a default 500 internal server error message is displayed.
.. versionadded: 0.3
"""
log.error('exception encountered: %s' % exception_with_context())
if not self.settings.exception_handling:
raise
if 'email' in self.settings.exception_handling:
try:
mail_programmers('exception encountered',
exception_with_context())
except Exception:
log.exception('exception when trying to email exception')
if 'handle' in self.settings.exception_handling:
if registry_has_object(rg) and rg.exception_handler:
return rg.exception_handler(e)
else:
endpoint = self.settings.error_docs.get(500)
if endpoint is not None:
log.debug('handling exception with error doc endpoint %s' %
endpoint)
try:
return self.response_cycle(endpoint, {},
error_doc_code=500)
except HTTPException as httpe:
log.debug(
'error doc endpoint %s raised HTTPException: %s',
endpoint, httpe)
except Exception:
log.exception(
'error doc endpoint %s raised exception:',
endpoint)
# turn the exception into a 500 server response
log.debug('handling exception with generic 500 response')
return InternalServerError()
raise
def bind_to_context(self):
if registry_has_object(rg):
rg.request = self
def bind_to_context(self):
if registry_has_object(rg):
rg.request = self
def get_scoped_session_class(self):
if settings.components.sqlalchemy.use_split_sessions and not registry_has_object(rg):
return self.AppLevelSession
return self.Session
