def __init__(self, prefixes=None, isMonolithic = True, indexerQueueSize = 0):
"""Create a new Thawab instance given a user writable directory and an optional system-wide read-only directory
prefixes a list of directories all are read-only except the first
the first writable directory can be
os.path.expanduser('~/.thawab')
os.path.join([os.path.dirname(sys.argv[0]),'..','data'])
isMonolithic = True if we should use locks and reconnect to sqlite
indexerQueueSize is the size of threaded index queue (0 infinite, -1 disabled)
the first thing you should do is to call loadMCache()
"""
if not prefixes:
prefixes = guess_prefixes()
try:
if not os.path.isdir(prefixes[0]):
os.makedirs(prefixes[0])
except:
raise OSError
self.prefixes = filter(lambda i:os.path.isdir(i),
[os.path.realpath(os.path.abspath(p)) for p in prefixes])
# make sure it's unique
p = self.prefixes[0]
s = set(self.prefixes[1:])
if p in s:
s.remove(p)
if len(s)<len(self.prefixes)-1:
self.prefixes=[p]+sorted(list(s))
#print self.prefixes
self.othman = othman
self.__meta = None
self.read_only = self.assertManagedTree()
self.conf = self.prase_conf()
self.searchEngine = SearchEngine(self)
self.user_db = UserDb(self, os.path.join(self.prefixes[0], "user.db"))
if indexerQueueSize >= 0:
self.asyncIndexer = AsyncIndex(self.searchEngine, indexerQueueSize)
else:
self.asyncIndexer = None
self.isMonolithic = isMonolithic
if not self.isMonolithic:
import threading
lock1 = threading.Lock()
else:
lock1 = None
self.kutubCache = ObjectsCache(lock = lock1)
