# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
-import os
-import sqlite3
import cherrypy
+from ipsilon.util.log import Log
+from sqlalchemy import create_engine
+from sqlalchemy import MetaData, Table, Column, Text
+from sqlalchemy.sql import select
+import uuid
-class Store(object):
- def __init__(self, path=None):
- if path is None:
- self._path = os.getcwd()
+OPTIONS_COLUMNS = ['name', 'option', 'value']
+UNIQUE_DATA_COLUMNS = ['uuid', 'name', 'value']
+
+
+class SqlStore(Log):
+
+ def __init__(self, name):
+ if name not in cherrypy.config:
+ raise NameError('Unknown database %s' % name)
+ engine_name = cherrypy.config[name]
+ if '://' not in engine_name:
+ engine_name = 'sqlite:///' + engine_name
+ self._dbengine = create_engine(engine_name)
+
+ def engine(self):
+ return self._dbengine
+
+ def connection(self):
+ return self._dbengine.connect()
+
+
+def SqlAutotable(f):
+ def at(self, *args, **kwargs):
+ if self.autotable:
+ self.create()
+ return f(self, *args, **kwargs)
+ return at
+
+
+class SqlQuery(Log):
+
+ def __init__(self, db_obj, table, columns, autotable=True, trans=True):
+ self._db = db_obj
+ self.autotable = autotable
+ self._con = self._db.connection()
+ self._trans = self._con.begin() if trans else None
+ self._table = self._get_table(table, columns)
+
+ def _get_table(self, name, columns):
+ table = Table(name, MetaData(self._db.engine()))
+ for c in columns:
+ table.append_column(Column(c, Text()))
+ return table
+
+ def _where(self, kvfilter):
+ where = None
+ if kvfilter is not None:
+ for k in kvfilter:
+ w = self._table.columns[k] == kvfilter[k]
+ if where is None:
+ where = w
+ else:
+ where = where & w
+ return where
+
+ def _columns(self, columns=None):
+ cols = None
+ if columns is not None:
+ cols = []
+ for c in columns:
+ cols.append(self._table.columns[c])
else:
- self._path = path
+ cols = self._table.columns
+ return cols
+
+ def rollback(self):
+ self._trans.rollback()
+
+ def commit(self):
+ self._trans.commit()
- def _load_config(self, dbname):
- con = None
+ def create(self):
+ self._table.create(checkfirst=True)
+
+ def drop(self):
+ self._table.drop(checkfirst=True)
+
+ @SqlAutotable
+ def select(self, kvfilter=None, columns=None):
+ return self._con.execute(select(self._columns(columns),
+ self._where(kvfilter)))
+
+ @SqlAutotable
+ def insert(self, values):
+ self._con.execute(self._table.insert(values))
+
+ @SqlAutotable
+ def update(self, values, kvfilter):
+ self._con.execute(self._table.update(self._where(kvfilter), values))
+
+ @SqlAutotable
+ def delete(self, kvfilter):
+ self._con.execute(self._table.delete(self._where(kvfilter)))
+
+
+class Store(Log):
+
+ def __init__(self, config_name):
+ self._db = SqlStore(config_name)
+ self._query = SqlQuery
+
+ def _row_to_dict_tree(self, data, row):
+ name = row[0]
+ if len(row) > 2:
+ if name not in data:
+ data[name] = dict()
+ d2 = data[name]
+ self._row_to_dict_tree(d2, row[1:])
+ else:
+ value = row[1]
+ if name in data:
+ if data[name] is list:
+ data[name].append(value)
+ else:
+ v = data[name]
+ data[name] = [v, value]
+ else:
+ data[name] = value
+
+ def _rows_to_dict_tree(self, rows):
+ data = dict()
+ for r in rows:
+ self._row_to_dict_tree(data, r)
+ return data
+
+ def load_data(self, table, columns, kvfilter=None):
rows = []
try:
- con = sqlite3.connect(dbname)
- cur = con.cursor()
- cur.executescript("""
- CREATE TABLE IF NOT EXISTS config(name TEXT, value TEXT)
- """)
- cur.execute("SELECT * FROM config")
- rows = cur.fetchall()
- con.commit()
- except sqlite3.Error, e:
- if con:
- con.rollback()
- cherrypy.log.error("Failed to load config: [%s]" % e)
- finally:
- if con:
- con.close()
-
- conf = {}
- for row in rows:
- if row[0] in conf:
- # multivalued
- if conf[row[0]] is list:
- conf[row[0]].append(row[1])
+ q = self._query(self._db, table, columns, trans=False)
+ rows = q.select(kvfilter)
+ except Exception, e: # pylint: disable=broad-except
+ self.error("Failed to load data for table %s: [%s]" % (table, e))
+ return self._rows_to_dict_tree(rows)
+
+ def load_config(self):
+ table = 'config'
+ columns = ['name', 'value']
+ return self.load_data(table, columns)
+
+ def load_options(self, table, name=None):
+ kvfilter = dict()
+ if name:
+ kvfilter['name'] = name
+ options = self.load_data(table, OPTIONS_COLUMNS, kvfilter)
+ if name and name in options:
+ return options[name]
+ return options
+
+ def save_options(self, table, name, options):
+ curvals = dict()
+ q = None
+ try:
+ q = self._query(self._db, table, OPTIONS_COLUMNS)
+ rows = q.select({'name': name}, ['option', 'value'])
+ for row in rows:
+ curvals[row[0]] = row[1]
+
+ for opt in options:
+ if opt in curvals:
+ q.update({'value': options[opt]},
+ {'name': name, 'option': opt})
else:
- v = conf[row[0]]
- conf[row[0]] = [v, row[1]]
+ q.insert((name, opt, options[opt]))
+
+ q.commit()
+ except Exception, e: # pylint: disable=broad-except
+ if q:
+ q.rollback()
+ self.error("Failed to save options: [%s]" % e)
+ raise
+
+ def delete_options(self, table, name, options=None):
+ kvfilter = {'name': name}
+ q = None
+ try:
+ q = self._query(self._db, table, OPTIONS_COLUMNS)
+ if options is None:
+ q.delete(kvfilter)
else:
- conf[row[0]] = row[1]
+ for opt in options:
+ kvfilter['option'] = opt
+ q.delete(kvfilter)
+ q.commit()
+ except Exception, e: # pylint: disable=broad-except
+ if q:
+ q.rollback()
+ self.error("Failed to delete from %s: [%s]" % (table, e))
+ raise
- return conf
+ def new_unique_data(self, table, data):
+ newid = str(uuid.uuid4())
+ q = None
+ try:
+ q = self._query(self._db, table, UNIQUE_DATA_COLUMNS)
+ for name in data:
+ q.insert((newid, name, data[name]))
+ q.commit()
+ except Exception, e: # pylint: disable=broad-except
+ if q:
+ q.rollback()
+ self.error("Failed to store %s data: [%s]" % (table, e))
+ raise
+ return newid
- def get_admin_config(self):
- path = None
- if 'admin.config.db' in cherrypy.config:
- path = cherrypy.config['admin.config.db']
- if not path:
- path = os.path.join(self._path, 'adminconfig.sqlite')
+ def get_unique_data(self, table, uuidval=None, name=None, value=None):
+ kvfilter = dict()
+ if uuidval:
+ kvfilter['uuid'] = uuidval
+ if name:
+ kvfilter['name'] = name
+ if value:
+ kvfilter['value'] = value
+ return self.load_data(table, UNIQUE_DATA_COLUMNS, kvfilter)
- return self._load_config(path)
+ def save_unique_data(self, table, data):
+ q = None
+ try:
+ q = self._query(self._db, table, UNIQUE_DATA_COLUMNS)
+ for uid in data:
+ curvals = dict()
+ rows = q.select({'uuid': uid}, ['name', 'value'])
+ for r in rows:
+ curvals[r[0]] = r[1]
- def _load_user_prefs(self, dbname, user):
- con = None
- rows = []
+ datum = data[uid]
+ for name in datum:
+ if name in curvals:
+ q.update({'value': datum[name]},
+ {'uuid': uid, 'name': name})
+ else:
+ q.insert((uid, name, datum[name]))
+
+ q.commit()
+ except Exception, e: # pylint: disable=broad-except
+ if q:
+ q.rollback()
+ self.error("Failed to store data in %s: [%s]" % (table, e))
+ raise
+
+ def del_unique_data(self, table, uuidval):
+ kvfilter = {'uuid': uuidval}
+ try:
+ q = self._query(self._db, table, UNIQUE_DATA_COLUMNS, trans=False)
+ q.delete(kvfilter)
+ except Exception, e: # pylint: disable=broad-except
+ self.error("Failed to delete data from %s: [%s]" % (table, e))
+
+ def reset_data(self, table):
try:
- con = sqlite3.connect(dbname)
- cur = con.cursor()
- cur.executescript("""
- CREATE TABLE IF NOT EXISTS users(name TEXT,
- option TEXT,
- value TEXT)
- """)
- cur.execute("SELECT option, value FROM users "
- "where name = '%s'" % user)
- rows = cur.fetchall()
- con.commit()
- except sqlite3.Error, e:
- if con:
- con.rollback()
- cherrypy.log.error("Failed to load %s's prefs from "
- "%s: [%s]" % ( user, dbname, e))
- finally:
- if con:
- con.close()
-
- conf = {}
- for row in rows:
- conf[row[0]] = row[1]
-
- return conf
-
- def _get_user_preferences(self, user):
- path = None
- if 'user.prefs.db' in cherrypy.config:
- path = cherrypy.config['user.prefs.db']
- if not path:
- path = os.path.join(self._path, 'userprefs.sqlite')
-
- return self._load_user_prefs(path, user)
+ q = self._query(self._db, table, UNIQUE_DATA_COLUMNS)
+ q.drop()
+ q.create()
+ q.commit()
+ except Exception, e: # pylint: disable=broad-except
+ if q:
+ q.rollback()
+ self.error("Failed to erase all data from %s: [%s]" % (table, e))
+
+
+class AdminStore(Store):
+
+ def __init__(self):
+ super(AdminStore, self).__init__('admin.config.db')
+
+ def get_data(self, plugin, idval=None, name=None, value=None):
+ return self.get_unique_data(plugin+"_data", idval, name, value)
+
+ def save_data(self, plugin, data):
+ return self.save_unique_data(plugin+"_data", data)
+
+ def new_datum(self, plugin, datum):
+ table = plugin+"_data"
+ return self.new_unique_data(table, datum)
+
+ def del_datum(self, plugin, idval):
+ table = plugin+"_data"
+ return self.del_unique_data(table, idval)
+
+ def wipe_data(self, plugin):
+ table = plugin+"_data"
+ self.reset_data(table)
+
+
+class UserStore(Store):
+
+ def __init__(self, path=None):
+ super(UserStore, self).__init__('user.prefs.db')
+
+ def save_user_preferences(self, user, options):
+ self.save_options('users', user, options)
+
+ def load_user_preferences(self, user):
+ return self.load_options('users', user)
+
+ def save_plugin_data(self, plugin, user, options):
+ self.save_options(plugin+"_data", user, options)
+
+ def load_plugin_data(self, plugin, user):
+ return self.load_options(plugin+"_data", user)
+
+
+class TranStore(Store):
+
+ def __init__(self, path=None):
+ super(TranStore, self).__init__('transactions.db')