def get_member(member):
if not member:
return None
if isinstance(member, Member):
return member
assert type(member) in [str, unicode], debug_type(member)
member = make_username(member)
def get_member_nocache(member_id):
try:
return Session.query(Member).with_polymorphic('*').get(member_id)
except NoResultFound:
return None
cache = _cache.get('member')
cache_func = lambda: get_member_nocache(member)
if cache:
result = cache.get(key='member:%s' % member, createfunc=cache_func)
#try:
#Session.add(result)
#return result
#except InvalidRequestError:
return Session.merge(result, load=False)
return cache_func()
def get_content(content):
if not content:
return None
if isinstance(content,Content):
return content
try:
content = int(content)
except:
return None
def get_content_nocache(content_id):
#http://www.sqlalchemy.org/docs/mappers.html#controlling-which-tables-are-queried
# could use .with_polymorphic([DraftContent, ArticleContent, AssignmentContent]), will see if this is needed
#assert str(content_id).isdigit(), debug_type(content_id)
try:
result = Session.query(Content).with_polymorphic('*').get(content_id) #Session.query(Content).with_polymorphic('*').filter_by(id=int(content_id)).one()
#Session.expunge(result)
return result
except NoResultFound:
return None # used to have NoResultFound but didnt want a 500 error raised, the caller code can detect NONE and just say "not found" neatly
cache = _cache.get('content')
cache_func = lambda: get_content_nocache(content)
if cache:
result = cache.get(key='content:%s' % content, createfunc=cache_func)
#try:
#Session.add(result)
#return result
#except InvalidRequestError:
#log.warn('Content object already in session, but how do we get a reference to the exisitng object in the session?')
return Session.merge(result, load=False)
return cache_func()
