mirror of
https://github.com/moparisthebest/SickRage
synced 2024-12-13 19:42:20 -05:00
0d9fbc1ad7
This version of SickBeard uses both TVDB and TVRage to search and gather it's series data from allowing you to now have access to and download shows that you couldn't before because of being locked into only what TheTVDB had to offer. Also this edition is based off the code we used in our XEM editon so it does come with scene numbering support as well as all the other features our XEM edition has to offer. Please before using this with your existing database (sickbeard.db) please make a backup copy of it and delete any other database files such as cache.db and failed.db if present, we HIGHLY recommend starting out with no database files at all to make this a fresh start but the choice is at your own risk! Enjoy!
291 lines
11 KiB
Python
291 lines
11 KiB
Python
# Author: Nic Wolfe <nic@wolfeden.ca>
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# URL: http://code.google.com/p/sickbeard/
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#
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# This file is part of Sick Beard.
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#
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# Sick Beard is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Sick Beard is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Sick Beard. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import with_statement
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import os.path
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import re
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import sqlite3
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import time
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import threading
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import sickbeard
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from sickbeard import encodingKludge as ek
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from sickbeard import logger
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from sickbeard.exceptions import ex
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db_lock = threading.Lock()
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def dbFilename(filename="sickbeard.db", suffix=None):
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"""
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@param filename: The sqlite database filename to use. If not specified,
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will be made to be sickbeard.db
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@param suffix: The suffix to append to the filename. A '.' will be added
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automatically, i.e. suffix='v0' will make dbfile.db.v0
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@return: the correct location of the database file.
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"""
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if suffix:
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filename = "%s.%s" % (filename, suffix)
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return ek.ek(os.path.join, sickbeard.DATA_DIR, filename)
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class DBConnection:
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def __init__(self, filename="sickbeard.db", suffix=None, row_type=None):
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self.filename = filename
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self.connection = sqlite3.connect(dbFilename(filename), 20)
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if row_type == "dict":
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self.connection.row_factory = self._dict_factory
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else:
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self.connection.row_factory = sqlite3.Row
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def checkDBVersion(self):
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try:
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result = self.select("SELECT db_version FROM db_version")
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except sqlite3.OperationalError, e:
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if "no such table: db_version" in e.args[0]:
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return 0
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if result:
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return int(result[0]["db_version"])
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else:
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return 0
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def fetch(self, query, args=None):
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with db_lock:
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if query == None:
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return
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sqlResult = None
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attempt = 0
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while attempt < 5:
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try:
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if args == None:
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logger.log(self.filename + ": " + query, logger.DB)
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cursor = self.connection.cursor()
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cursor.execute(query)
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sqlResult = cursor.fetchone()[0]
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else:
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logger.log(self.filename + ": " + query + " with args " + str(args), logger.DB)
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cursor = self.connection.cursor()
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cursor.execute(query, args)
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sqlResult = cursor.fetchone()[0]
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# get out of the connection attempt loop since we were successful
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break
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except sqlite3.OperationalError, e:
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if "unable to open database file" in e.args[0] or "database is locked" in e.args[0]:
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logger.log(u"DB error: " + ex(e), logger.WARNING)
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attempt += 1
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time.sleep(1)
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else:
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logger.log(u"DB error: " + ex(e), logger.ERROR)
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raise
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except sqlite3.DatabaseError, e:
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logger.log(u"Fatal error executing query: " + ex(e), logger.ERROR)
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raise
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return sqlResult
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def mass_action(self, querylist, logTransaction=False):
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with db_lock:
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if querylist == None:
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return
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sqlResult = []
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attempt = 0
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while attempt < 5:
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try:
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for qu in querylist:
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if len(qu) == 1:
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if logTransaction:
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logger.log(qu[0], logger.DEBUG)
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sqlResult.append(self.connection.execute(qu[0]))
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elif len(qu) > 1:
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if logTransaction:
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logger.log(qu[0] + " with args " + str(qu[1]), logger.DEBUG)
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sqlResult.append(self.connection.execute(qu[0], qu[1]))
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self.connection.commit()
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logger.log(u"Transaction with " + str(len(querylist)) + u" query's executed", logger.DEBUG)
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return sqlResult
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except sqlite3.OperationalError, e:
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sqlResult = []
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if self.connection:
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self.connection.rollback()
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if "unable to open database file" in e.args[0] or "database is locked" in e.args[0]:
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logger.log(u"DB error: " + ex(e), logger.WARNING)
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attempt += 1
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time.sleep(1)
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else:
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logger.log(u"DB error: " + ex(e), logger.ERROR)
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raise
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except sqlite3.DatabaseError, e:
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sqlResult = []
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if self.connection:
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self.connection.rollback()
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logger.log(u"Fatal error executing query: " + ex(e), logger.ERROR)
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raise
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return sqlResult
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def action(self, query, args=None):
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with db_lock:
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if query == None:
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return
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sqlResult = None
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attempt = 0
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while attempt < 5:
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try:
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if args == None:
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logger.log(self.filename + ": " + query, logger.DB)
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sqlResult = self.connection.execute(query)
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else:
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logger.log(self.filename + ": " + query + " with args " + str(args), logger.DB)
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sqlResult = self.connection.execute(query, args)
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self.connection.commit()
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# get out of the connection attempt loop since we were successful
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break
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except sqlite3.OperationalError, e:
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if "unable to open database file" in e.args[0] or "database is locked" in e.args[0]:
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logger.log(u"DB error: " + ex(e), logger.WARNING)
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attempt += 1
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time.sleep(1)
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else:
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logger.log(u"DB error: " + ex(e), logger.ERROR)
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raise
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except sqlite3.DatabaseError, e:
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logger.log(u"Fatal error executing query: " + ex(e), logger.ERROR)
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raise
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return sqlResult
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def select(self, query, args=None):
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sqlResults = self.action(query, args).fetchall()
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if sqlResults == None:
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return []
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return sqlResults
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def upsert(self, tableName, valueDict, keyDict):
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changesBefore = self.connection.total_changes
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genParams = lambda myDict : [x + " = ?" for x in myDict.keys()]
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query = "UPDATE " + tableName + " SET " + ", ".join(genParams(valueDict)) + " WHERE " + " AND ".join(genParams(keyDict))
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self.action(query, valueDict.values() + keyDict.values())
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if self.connection.total_changes == changesBefore:
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query = "INSERT INTO " + tableName + " (" + ", ".join(valueDict.keys() + keyDict.keys()) + ")" + \
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" VALUES (" + ", ".join(["?"] * len(valueDict.keys() + keyDict.keys())) + ")"
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self.action(query, valueDict.values() + keyDict.values())
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def tableInfo(self, tableName):
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# FIXME ? binding is not supported here, but I cannot find a way to escape a string manually
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cursor = self.connection.execute("PRAGMA table_info(%s)" % tableName)
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columns = {}
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for column in cursor:
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columns[column['name']] = { 'type': column['type'] }
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return columns
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# http://stackoverflow.com/questions/3300464/how-can-i-get-dict-from-sqlite-query
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def _dict_factory(self, cursor, row):
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d = {}
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for idx, col in enumerate(cursor.description):
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d[col[0]] = row[idx]
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return d
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def sanityCheckDatabase(connection, sanity_check):
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sanity_check(connection).check()
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class DBSanityCheck(object):
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def __init__(self, connection):
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self.connection = connection
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def check(self):
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pass
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# ===============
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# = Upgrade API =
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# ===============
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def upgradeDatabase(connection, schema):
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logger.log(u"Checking database structure...", logger.MESSAGE)
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_processUpgrade(connection, schema)
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def prettyName(class_name):
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return ' '.join([x.group() for x in re.finditer("([A-Z])([a-z0-9]+)", class_name)])
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def _processUpgrade(connection, upgradeClass):
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instance = upgradeClass(connection)
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logger.log(u"Checking " + prettyName(upgradeClass.__name__) + " database upgrade", logger.DEBUG)
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if not instance.test():
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logger.log(u"Database upgrade required: " + prettyName(upgradeClass.__name__), logger.MESSAGE)
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try:
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instance.execute()
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except sqlite3.DatabaseError, e:
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print "Error in " + str(upgradeClass.__name__) + ": " + ex(e)
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raise
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logger.log(upgradeClass.__name__ + " upgrade completed", logger.DEBUG)
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else:
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logger.log(upgradeClass.__name__ + " upgrade not required", logger.DEBUG)
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for upgradeSubClass in upgradeClass.__subclasses__():
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_processUpgrade(connection, upgradeSubClass)
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# Base migration class. All future DB changes should be subclassed from this class
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class SchemaUpgrade (object):
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def __init__(self, connection):
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self.connection = connection
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def hasTable(self, tableName):
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return len(self.connection.action("SELECT 1 FROM sqlite_master WHERE name = ?;", (tableName, )).fetchall()) > 0
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def hasColumn(self, tableName, column):
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return column in self.connection.tableInfo(tableName)
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def addColumn(self, table, column, type="NUMERIC", default=0):
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self.connection.action("ALTER TABLE %s ADD %s %s" % (table, column, type))
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self.connection.action("UPDATE %s SET %s = ?" % (table, column), (default,))
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def checkDBVersion(self):
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result = self.connection.select("SELECT db_version FROM db_version")
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if result:
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return int(result[0]["db_version"])
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else:
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return 0
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def incDBVersion(self):
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new_version = self.checkDBVersion() + 1
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self.connection.action("UPDATE db_version SET db_version = ?", [new_version])
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return new_version
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