plexpy/plexpy/db.py
Tim f0864d3531 Implemented info modal on History page.
Updated Datatables.
Updated to match current PlexWatchWeb styling.
Some code clean-up.
2015-06-13 20:21:21 +02:00

135 lines
4.3 KiB
Python

# This file is part of PlexPy.
#
# PlexPy 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.
#
# PlexPy 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 PlexPy. If not, see <http://www.gnu.org/licenses/>.
#####################################
## Stolen from Sick-Beard's db.py ##
#####################################
from __future__ import with_statement
import os
import sqlite3
import plexpy
from plexpy import logger
def dbFilename(filename):
return os.path.join(plexpy.DATA_DIR, filename)
def getCacheSize():
#this will protect against typecasting problems produced by empty string and None settings
if not plexpy.CONFIG.CACHE_SIZEMB:
#sqlite will work with this (very slowly)
return 0
return int(plexpy.CONFIG.CACHE_SIZEMB)
class DBConnection:
def __init__(self):
self.filename = plexpy.CONFIG.PLEXWATCH_DATABASE
#self.connection = sqlite3.connect(dbFilename(plexpy.CONFIG.PLEXWATCH_DATABASE), timeout=20)
self.connection = sqlite3.connect(plexpy.CONFIG.PLEXWATCH_DATABASE, timeout=20)
#don't wait for the disk to finish writing
self.connection.execute("PRAGMA synchronous = OFF")
#journal disabled since we never do rollbacks
self.connection.execute("PRAGMA journal_mode = %s" % plexpy.CONFIG.JOURNAL_MODE)
#64mb of cache memory,probably need to make it user configurable
self.connection.execute("PRAGMA cache_size=-%s" % (getCacheSize() * 1024))
self.connection.row_factory = sqlite3.Row
def action(self, query, args=None):
if query is None:
return
sqlResult = None
try:
with self.connection as c:
if args is None:
sqlResult = c.execute(query)
else:
sqlResult = c.execute(query, args)
except sqlite3.OperationalError, e:
if "unable to open database file" in e.message or "database is locked" in e.message:
logger.warn('Database Error: %s', e)
else:
logger.error('Database error: %s', e)
raise
except sqlite3.DatabaseError, e:
logger.error('Fatal Error executing %s :: %s', query, e)
raise
return sqlResult
def select(self, query, args=None):
sqlResults = self.action(query, args).fetchall()
if sqlResults is None or sqlResults == [None]:
return []
return sqlResults
def select_single(self, query, args=None):
sqlResult = self.action(query, args).fetchone()[0]
if sqlResult is None or sqlResult == "":
return ""
return sqlResult
def get_history_table_name(self):
if plexpy.CONFIG.GROUPING_GLOBAL_HISTORY:
return "grouped"
else:
return "processed"
def get_user_table_name(self):
if plexpy.CONFIG.GROUPING_USER_HISTORY:
return "grouped"
else:
return "processed"
def upsert(self, tableName, valueDict, keyDict):
changesBefore = self.connection.total_changes
genParams = lambda myDict: [x + " = ?" for x in myDict.keys()]
update_query = "UPDATE " + tableName + " SET " + ", ".join(genParams(valueDict)) + " WHERE " + " AND ".join(genParams(keyDict))
self.action(update_query, valueDict.values() + keyDict.values())
if self.connection.total_changes == changesBefore:
insert_query = (
"INSERT INTO " + tableName + " (" + ", ".join(valueDict.keys() + keyDict.keys()) + ")" +
" VALUES (" + ", ".join(["?"] * len(valueDict.keys() + keyDict.keys())) + ")"
)
try:
self.action(insert_query, valueDict.values() + keyDict.values())
except sqlite3.IntegrityError:
logger.info('Queries failed: %s and %s', update_query, insert_query)