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compleated the basic interface of sql version of tags...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2011-11-16 03:02:08 +04:00
parent 86cab29e3c
commit 12cfd0c849
1 changed files with 45 additions and 9 deletions
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54
sqlitetags.py
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@ -1,7 +1,7 @@
#=======================================================================
__version__ = '''0.0.01'''
__sub_version__ = '''20111116021012'''
__sub_version__ = '''20111116030109'''
__copyright__ = '''(c) Alex A. Naanou 2011'''
@ -57,12 +57,12 @@ class SQLiteTagset(tags.AbstractTagSet):
if not opts.get('NOCOMMIT', False):
db.commit()
##!!!
def untag(self, obj, *tags, **opts):
'''
'''
##!!!
if not opts.get('NOCOMMIT', False):
db.commit()
## def untag(self, obj, *tags, **opts):
## '''
## '''
## ##!!!
## if not opts.get('NOCOMMIT', False):
## db.commit()
def any(self, *tags, **opts):
'''
@ -102,6 +102,31 @@ class SQLiteTagset(tags.AbstractTagSet):
return set([ objs[gid[0]] for gid in gids ])
def tags(self, *objs):
'''
'''
db = self._db
objects = self._objects.items()
# build the query...
if len(objs) > 0:
query = ' or '.join(['object=?']*len(objs))
objs = [ objects[objects.index((ANY, o))][0] for o in objs ]
tags = db.execute('select distinct tag from tags where ' + query, objs).fetchall()
else:
tags = db.execute('select distinct tag from tags').fetchall()
return [ t[0] for t in tags ]
def objects(self, **opts):
'''
'''
db = self._db
# build the query...
gids = db.execute('select distinct object from tags').fetchall()
if opts.get('RETURN_GIDS', False):
return gids
objs = self._objects
return set([ objs[gid[0]] for gid in gids ])
@ -109,8 +134,14 @@ class SQLiteTagset(tags.AbstractTagSet):
if __name__ == '__main__':
from pprint import pprint
import os
ts = SQLiteTagset('test/sqlitetags.db')
TEST_DB = os.path.join('test', 'sqlitetags.db')
if os.path.isfile(TEST_DB):
os.remove(TEST_DB)
ts = SQLiteTagset(TEST_DB)
for i in xrange(1000):
ts.tag(i, *str(i), NOCOMMIT=True)
@ -119,10 +150,15 @@ if __name__ == '__main__':
# any number that has either 1 or 9 digits
## pprint(ts.any(*'19'))
# any number that has only 1 and 9 digits
pprint(ts.all(*'19'))
pprint(ts.all(*'1234'))
# any number not containing any of 012345678 digits
pprint(ts.none(*'012345678'))
pprint(ts.tags())
pprint(ts.tags(123))
pprint(ts.objects())