def get(self, thing):
"""
Get a thing: recipe, bag, tiddler or user.
"""
lower_class = superclass_name(thing)
if lower_class == 'tiddler':
retriever = get_bag_retriever(self.environ, thing.bag)
if retriever:
try:
thing = retriever[1](thing)
except SpecialBagError as exc:
raise NoTiddlerError(
'unable to get special tiddler: %s:%s:%s'
% (thing.bag, thing.title, exc))
thing.store = self
self._do_hook('get', thing)
return thing
elif lower_class == 'bag':
if get_bag_retriever(self.environ, thing.name):
policy = Policy(read=[], write=['NONE'], create=['NONE'],
delete=['NONE'], manage=['NONE'], accept=['NONE'])
thing.policy = policy
thing.store = self
self._do_hook('get', thing)
return thing
func = self._figure_function('get', thing)
thing = func(thing)
thing.store = self
self._do_hook('get', thing)
return thing
def _do_hook(self, method, thing):
"""
Call the hook in HOOKS identified by method on thing.
"""
hooked_class = superclass_name(thing)
hooks = _get_hooks(method, hooked_class)
for hook in hooks:
hook(self, thing)
def entity_to_keys(entity):
"""
Given an entity, return a list of approrpriate keys to
purge.
Dispatch on the class of the entity.
"""
return DISPATCH[superclass_name(entity)](entity)
def __str__(self):
lower_class = superclass_name(self.object)
try:
string_func = getattr(self.serialization, '%s_as' % lower_class)
except AttributeError, exc:
raise AttributeError(
'unable to find to string function for %s: %s' %
(lower_class, exc))
def __str__(self):
lower_class = superclass_name(self.object)
try:
string_func = getattr(self.serialization, '%s_as' % lower_class)
except AttributeError, exc:
raise AttributeError(
'unable to find to string function for %s: %s'
% (lower_class, exc))
def _do_hook(self, method, thing):
"""
Call the hook in HOOKS identified by method on thing.
"""
hooked_class = superclass_name(thing)
hooks = _get_hooks(method, hooked_class)
for hook in hooks:
hook(self, thing)
def _figure_function(self, activity, storable):
"""
Determine which function on the StorageInterface
we should use to store or retrieve storable.
"""
lower_class = superclass_name(storable)
try:
func = getattr(self.storage, '%s_%s' % (lower_class, activity))
except AttributeError, exc:
raise AttributeError('unable to figure function for %s: %s'
% (lower_class, exc))
def _figure_function(self, activity, storable):
"""
Determine which function on the StorageInterface
we should use to store or retrieve storable.
"""
lower_class = superclass_name(storable)
try:
func = getattr(self.storage, '%s_%s' % (lower_class, activity))
except AttributeError, exc:
raise AttributeError('unable to figure function for %s: %s' %
(lower_class, exc))
def from_string(self, input_string):
"""
Turn the provided input_string into a TiddlyWeb entity object of the
type of self.object. That is: populate self.object based on
input_string.
"""
lower_class = superclass_name(self.object)
try:
object_func = getattr(self.serialization, 'as_%s' % lower_class)
except AttributeError, exc:
raise AttributeError(
'unable to find from string function for %s: %s' %
(lower_class, exc))
def from_string(self, input_string):
"""
Turn the provided input_string into a TiddlyWeb entity object of the
type of self.object. That is: populate self.object based on
input_string.
"""
lower_class = superclass_name(self.object)
try:
object_func = getattr(self.serialization, 'as_%s' % lower_class)
except AttributeError, exc:
raise AttributeError(
'unable to find from string function for %s: %s'
% (lower_class, exc))
def get(self, thing):
"""
Get a thing: recipe, bag or tiddler
"""
lower_class = superclass_name(thing)
if lower_class == 'tiddler':
retriever = get_bag_retriever(self.environ, thing.bag)
if retriever:
try:
thing = retriever[1](thing)
except SpecialBagError, exc:
raise NoTiddlerError(
'unable to get special tiddler: %s:%s:%s'
% (thing.bag, thing.title, exc))
thing.store = self
self._do_hook('get', thing)
return thing
def get(self, thing):
"""
Get a thing: recipe, bag or tiddler
"""
lower_class = superclass_name(thing)
if lower_class == 'tiddler':
retriever = get_bag_retriever(self.environ, thing.bag)
if retriever:
try:
thing = retriever[1](thing)
except SpecialBagError, exc:
raise NoTiddlerError(
'unable to get remote tiddler: %s:%s:%s' %
(thing.bag, thing.title, exc))
thing.store = self
self._do_hook('get', thing)
return thing
