jellyfin-kodi/resources/lib/database.py

133 lines
4.1 KiB
Python

# -*- coding: utf-8 -*-
#################################################################################################
import logging
import sqlite3
import xbmc
#################################################################################################
log = logging.getLogger("EMBY."+__name__)
KODI = xbmc.getInfoLabel('System.BuildVersion')[:2]
#################################################################################################
def video_database():
db_version = {
'13': 78, # Gotham
'14': 90, # Helix
'15': 93, # Isengard
'16': 99, # Jarvis
'17': 107 # Krypton
}
path = xbmc.translatePath("special://database/MyVideos%s.db"
% db_version.get(KODI, "")).decode('utf-8')
return path
def music_database():
db_version = {
'13': 46, # Gotham
'14': 48, # Helix
'15': 52, # Isengard
'16': 56, # Jarvis
'17': 60 # Krypton
}
path = xbmc.translatePath("special://database/MyMusic%s.db"
% db_version.get(KODI, "")).decode('utf-8')
return path
class DatabaseConn(object):
# To be called as context manager - i.e. with DatabaseConn() as dbconn
def __init__(self, database_file="video", commit_mode=""):
"""
database_file can be custom: emby, texture, music, video, custom like :memory: or path
commit_mode set to None to autocommit (isolation_level). See python documentation.
"""
self.db_file = database_file
self.commit_mode = commit_mode
def __enter__(self):
# Open the connection
self.path = self._SQL(self.db_file)
log.warn("opening database: %s", self.path)
self.conn = sqlite3.connect(self.path, isolation_level=self.commit_mode, timeout=20)
return self.conn
def _SQL(self, media_type):
if media_type == "emby":
return xbmc.translatePath("special://database/emby.db").decode('utf-8')
elif media_type == "texture":
return xbmc.translatePath("special://database/Textures13.db").decode('utf-8')
elif media_type == "music":
return music_database()
elif media_type == "video":
return video_database()
else: # custom path
return self.db_file
def __exit__(self, exc_type, exc_val, exc_tb):
# Close the connection
if exc_type is not None:
# Errors were raised in the with statement
log.error("rollback: Type: %s Value: %s", exc_type, exc_val)
self.conn.rollback()
elif self.commit_mode is not None:
log.warn("commit: %s", self.path)
self.conn.commit()
self.conn.close()
def query(execute_query, connection=None, conn_type=None, *args):
"""
connection is sqlite.connect
conn_type is only required if a connection is not provided
*args are tuple values that contain the corresponding data for the query
i.e args_executemany = (('value1', 'value2'),('value1', 'value2'))
args_execute = ('value1', 'value2')
tip: to build args_executemany, build a list of sets [(v1,v2),(v1,v2)], then pass it as *args
"""
if connection is None:
if conn_type is None:
return False
else:
connection = DatabaseConn(conn_type)
attempts = 3
while True:
try:
with connection as conn:
# raise sqlite3.OperationalError("database is locked")
if not args:
return conn.execute(query)
elif isinstance(args[0], tuple):
# Multiple entries for the same query
return conn.executemany(query, args)
else:
return conn.execute(query, args)
except sqlite3.OperationalError as e:
if "database is locked" in str(e):
# Database is locked, retry
attempts -= 1
xbmc.sleep(1000)
else:
raise
if not attempts:
return False