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#!/usr/bin/python
#
# Copyright (C) 2013 Simo Sorce <simo@redhat.com>
#
# see file 'COPYING' for use and warranty information
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# 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
class Store(object):
def __init__(self, path=None):
if path is None:
self._path = os.getcwd()
else:
self._path = path
self._admin_dbname = self._get_admin_dbname()
self._user_dbname = self._get_userprefs_dbname()
def _get_admin_dbname(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')
return path
def _get_userprefs_dbname(self):
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 path
def _load_config(self, dbname):
con = 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])
else:
v = conf[row[0]]
conf[row[0]] = [v, row[1]]
else:
conf[row[0]] = row[1]
return conf
def get_admin_config(self):
return self._load_config(self._admin_dbname)
def _load_user_prefs(self, dbname, user):
con = None
rows = []
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):
return self._load_user_prefs(self._user_dbname, user)
def get_plugins_config(self, facility):
con = None
rows = []
try:
con = sqlite3.connect(self._admin_dbname)
cur = con.cursor()
cur.execute("CREATE TABLE IF NOT EXISTS " +
facility + " (name TEXT,option TEXT,value TEXT)")
cur.execute("SELECT * FROM " + facility)
rows = cur.fetchall()
con.commit()
except sqlite3.Error, e:
if con:
con.rollback()
cherrypy.log.error("Failed to load %s config: [%s]" % (facility,
e))
finally:
if con:
con.close()
lpo = []
plco = dict()
for row in rows:
if row[0] == 'global':
if row[1] == 'order':
lpo = row[2].split(',')
continue
if row[0] not in plco:
# one dict per provider
plco[row[0]] = dict()
conf = plco[row[0]]
if row[1] in conf:
if conf[row[1]] is list:
conf[row[1]].append(row[2])
else:
v = conf[row[1]]
conf[row[1]] = [v, row[2]]
else:
conf[row[1]] = row[2]
return (lpo, plco)
def save_plugin_config(self, facility, plugin, options):
SELECT = "SELECT option, value FROM %s WHERE name=?" % facility
UPDATE = "UPDATE %s SET value=? WHERE name=? AND option=?" % facility
INSERT = "INSERT INTO %s VALUES(?,?,?)" % facility
con = None
try:
con = sqlite3.connect(self._admin_dbname)
cur = con.cursor()
curvals = dict()
for row in cur.execute(SELECT, (plugin,)):
curvals[row[0]] = row[1]
for name in options:
if name in curvals:
cur.execute(UPDATE, (options[name], plugin, name))
else:
cur.execute(INSERT, (plugin, name, options[name]))
con.commit()
except sqlite3.Error, e:
if con:
con.rollback()
cherrypy.log.error("Failed to store config: [%s]" % e)
raise
finally:
if con:
con.close()
def wipe_plugin_config(self, facility, plugin):
# Try to backup old data first, just in case ?
try:
con = sqlite3.connect(self._admin_dbname)
cur = con.cursor()
cur.execute("CREATE TABLE IF NOT EXISTS " +
facility + " (name TEXT,option TEXT,value TEXT)")
cur.execute("DELETE FROM " + facility + " WHERE name=?",
(plugin,))
con.commit()
except sqlite3.Error, e:
if con:
con.rollback()
cherrypy.log.error("Failed to wipe %s config: [%s]" % (plugin, e))
raise
finally:
if con:
con.close()
def get_data(self, plugin, idval=None, name=None, value=None):
con = None
rows = []
names = None
values = ()
if idval or name or value:
names = ""
if idval:
names += " id=?"
values = values + (idval,)
if name:
if len(names) != 0:
names += " AND"
names += " name=?"
values = values + (name,)
if value:
if len(names) != 0:
names += " AND"
names += " value=?"
values = values + (value,)
try:
con = sqlite3.connect(self._admin_dbname)
cur = con.cursor()
cur.execute("CREATE TABLE IF NOT EXISTS " +
plugin + "_data (id INTEGER, name TEXT, value TEXT)")
if not names:
cur.execute("SELECT * FROM " + plugin + "_data")
else:
cur.execute("SELECT * FROM " + plugin + "_data WHERE" +
names, values)
rows = cur.fetchall()
con.commit()
except sqlite3.Error, e:
if con:
con.rollback()
cherrypy.log.error("Failed to load %s data: [%s]" % (plugin, e))
cherrypy.log.error(repr([names, values]))
finally:
if con:
con.close()
data = dict()
for row in rows:
if row[0] not in data:
data[row[0]] = dict()
item = data[row[0]]
if row[1] in item:
if item[row[1]] is list:
item[row[1]].append(row[2])
else:
v = item[row[1]]
item[row[1]] = [v, row[2]]
else:
item[row[1]] = row[2]
return data
def save_data(self, plugin, data):
SELECT = "SELECT name, value FROM %s_data WHERE id=?" % plugin
UPDATE = "UPDATE %s_data SET value=? WHERE id=? AND name=?" % plugin
INSERT = "INSERT INTO %s_data VALUES(?,?,?)" % plugin
con = None
try:
con = sqlite3.connect(self._admin_dbname)
cur = con.cursor()
for idval in data:
curvals = dict()
for row in cur.execute(SELECT, (idval,)):
curvals[row[0]] = row[1]
datum = data[idval]
for name in datum:
if name in curvals:
cur.execute(UPDATE, (datum[name], idval, name))
else:
cur.execute(INSERT, (idval, name, datum[name]))
con.commit()
except sqlite3.Error, e:
if con:
con.rollback()
cherrypy.log.error("Failed to store %s data: [%s]" % (plugin, e))
raise
finally:
if con:
con.close()
def wipe_data(self, plugin):
# Try to backup old data first, just in case
try:
con = sqlite3.connect(self._admin_dbname)
cur = con.cursor()
cur.execute("DROP TABLE IF EXISTS " + plugin + "_data")
cur.execute("CREATE TABLE " + plugin + "_data"
"(id INTEGER, name TEXT, value TEXT)")
con.commit()
except sqlite3.Error, e:
if con:
con.rollback()
cherrypy.log.error("Failed to wipe %s data: [%s]" % (plugin, e))
raise
finally:
if con:
con.close()
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