diff options
Diffstat (limited to 'pyload/database/Backend.py')
-rw-r--r-- | pyload/database/Backend.py | 329 |
1 files changed, 0 insertions, 329 deletions
diff --git a/pyload/database/Backend.py b/pyload/database/Backend.py deleted file mode 100644 index 0fc961973..000000000 --- a/pyload/database/Backend.py +++ /dev/null @@ -1,329 +0,0 @@ -# -*- coding: utf-8 -*- -# @author: RaNaN, mkaay - -from __future__ import with_statement - -try: - from pysqlite2 import dbapi2 as sqlite3 -except Exception: - import sqlite3 - -import shutil -import threading -import traceback - -from Queue import Queue - -from pyload.utils import chmod - - -DB_VERSION = 4 - - -class style(object): - db = None - - - @classmethod - def setDB(cls, db): - cls.db = db - - - @classmethod - def inner(cls, f): - - - @staticmethod - def x(*args, **kwargs): - if cls.db: - return f(cls.db, *args, **kwargs) - - return x - - - @classmethod - def queue(cls, f): - - - @staticmethod - def x(*args, **kwargs): - if cls.db: - return cls.db.queue(f, *args, **kwargs) - - return x - - - @classmethod - def async(cls, f): - - - @staticmethod - def x(*args, **kwargs): - if cls.db: - return cls.db.async(f, *args, **kwargs) - return x - - -class DatabaseJob(object): - - def __init__(self, f, *args, **kwargs): - self.done = threading.Event() - - self.f = f - self.args = args - self.kwargs = kwargs - - self.result = None - self.exception = False - - # import inspect - # self.frame = inspect.currentframe() - - - def __repr__(self): - import os - - frame = self.frame.f_back - output = "" - for _i in xrange(5): - output += "\t%s:%s, %s\n" % (os.path.basename(frame.f_code.co_filename), frame.f_lineno, frame.f_code.co_name) - frame = frame.f_back - del frame - del self.frame - - return "DataBase Job %s:%s\n%sResult: %s" % (self.f.__name__, self.args[1:], output, self.result) - - - def processJob(self): - try: - self.result = self.f(*self.args, **self.kwargs) - except Exception, e: - traceback.print_exc() - try: - print "Database Error @", self.f.__name__, self.args[1:], self.kwargs, e - except Exception: - pass - - self.exception = e - finally: - self.done.set() - - - def wait(self): - self.done.wait() - - -class DatabaseBackend(threading.Thread): - subs = [] - - - def __init__(self, core): - threading.Thread.__init__(self) - self.setDaemon(True) - self.core = core - - self.jobs = Queue() - - self.setuplock = threading.Event() - - style.setDB(self) - - - def setup(self): - self.start() - self.setuplock.wait() - - - def run(self): - """main loop, which executes commands""" - convert = self._checkVersion() #: returns None or current version - - self.conn = sqlite3.connect("files.db") - os.chmod("files.db", 0600) - - self.c = self.conn.cursor() #: compatibility - - if convert is not None: - self._convertDB(convert) - - self._createTables() - self._migrateUser() - - self.conn.commit() - - self.setuplock.set() - - while True: - j = self.jobs.get() - if j == "quit": - self.c.close() - self.conn.close() - break - j.processJob() - - - @style.queue - def shutdown(self): - self.conn.commit() - self.jobs.put("quit") - - - def _checkVersion(self): - """ check db version and delete it if needed""" - if not os.path.exists("files.version"): - with open("files.version", "wb") as f: - f.write(str(DB_VERSION)) - return - - with open("files.version", "rb") as f: - v = int(f.read().strip() or 0) - - if v < DB_VERSION: - if v < 2: - try: - self.manager.core.log.warning(_("Filedatabase was deleted due to incompatible version.")) - except Exception: - print "Filedatabase was deleted due to incompatible version." - reshutil.move("files.version") - shutil.move("files.db", "files.backup.db") - - with open("files.version", "wb") as f: - f.write(str(DB_VERSION)) - - return v - - - def _convertDB(self, v): - try: - getattr(self, "_convertV%i" % v)() - except Exception: - try: - self.core.log.error(_("Filedatabase could NOT be converted.")) - except Exception: - print "Filedatabase could NOT be converted." - - # convert scripts start --------------------------------------------------- - - - def _convertV2(self): - self.c.execute( - 'CREATE TABLE IF NOT EXISTS "storage" ("id" INTEGER PRIMARY KEY AUTOINCREMENT, "identifier" TEXT NOT NULL, "key" TEXT NOT NULL, "value" TEXT DEFAULT "")') - try: - self.manager.core.log.info(_("Database was converted from v2 to v3.")) - except Exception: - print "Database was converted from v2 to v3." - self._convertV3() - - - def _convertV3(self): - self.c.execute( - 'CREATE TABLE IF NOT EXISTS "users" ("id" INTEGER PRIMARY KEY AUTOINCREMENT, "name" TEXT NOT NULL, "email" TEXT DEFAULT "" NOT NULL, "password" TEXT NOT NULL, "role" INTEGER DEFAULT 0 NOT NULL, "permission" INTEGER DEFAULT 0 NOT NULL, "template" TEXT DEFAULT "default" NOT NULL)') - try: - self.manager.core.log.info(_("Database was converted from v3 to v4.")) - except Exception: - print "Database was converted from v3 to v4." - - # convert scripts end ----------------------------------------------------- - - - def _createTables(self): - """create tables for database""" - - self.c.execute( - 'CREATE TABLE IF NOT EXISTS "packages" ("id" INTEGER PRIMARY KEY AUTOINCREMENT, "name" TEXT NOT NULL, "folder" TEXT, "password" TEXT DEFAULT "", "site" TEXT DEFAULT "", "queue" INTEGER DEFAULT 0 NOT NULL, "packageorder" INTEGER DEFAULT 0 NOT NULL)') - self.c.execute( - 'CREATE TABLE IF NOT EXISTS "links" ("id" INTEGER PRIMARY KEY AUTOINCREMENT, "url" TEXT NOT NULL, "name" TEXT, "size" INTEGER DEFAULT 0 NOT NULL, "status" INTEGER DEFAULT 3 NOT NULL, "plugin" TEXT DEFAULT "BasePlugin" NOT NULL, "error" TEXT DEFAULT "", "linkorder" INTEGER DEFAULT 0 NOT NULL, "package" INTEGER DEFAULT 0 NOT NULL, FOREIGN KEY(package) REFERENCES packages(id))') - self.c.execute('CREATE INDEX IF NOT EXISTS "pIdIndex" ON links(package)') - self.c.execute( - 'CREATE TABLE IF NOT EXISTS "storage" ("id" INTEGER PRIMARY KEY AUTOINCREMENT, "identifier" TEXT NOT NULL, "key" TEXT NOT NULL, "value" TEXT DEFAULT "")') - self.c.execute( - 'CREATE TABLE IF NOT EXISTS "users" ("id" INTEGER PRIMARY KEY AUTOINCREMENT, "name" TEXT NOT NULL, "email" TEXT DEFAULT "" NOT NULL, "password" TEXT NOT NULL, "role" INTEGER DEFAULT 0 NOT NULL, "permission" INTEGER DEFAULT 0 NOT NULL, "template" TEXT DEFAULT "default" NOT NULL)') - - self.c.execute('CREATE VIEW IF NOT EXISTS "pstats" AS \ - SELECT p.id AS id, SUM(l.size) AS sizetotal, COUNT(l.id) AS linkstotal, linksdone, sizedone\ - FROM packages p JOIN links l ON p.id = l.package LEFT OUTER JOIN\ - (SELECT p.id AS id, COUNT(*) AS linksdone, SUM(l.size) AS sizedone \ - FROM packages p JOIN links l ON p.id = l.package AND l.status IN (0, 4, 13) GROUP BY p.id) s ON s.id = p.id \ - GROUP BY p.id') - - # try to lower ids - self.c.execute('SELECT max(id) FROM LINKS') - fid = self.c.fetchone()[0] - fid = int(fid) if fid else 0 - self.c.execute('UPDATE SQLITE_SEQUENCE SET seq=? WHERE name=?', (fid, "links")) - - self.c.execute('SELECT max(id) FROM packages') - pid = self.c.fetchone()[0] - pid = int(pid) if pid else 0 - self.c.execute('UPDATE SQLITE_SEQUENCE SET seq=? WHERE name=?', (pid, "packages")) - - self.c.execute('VACUUM') - - - def _migrateUser(self): - if os.path.exists("pyload.db"): - try: - self.core.log.info(_("Converting old Django DB")) - except Exception: - print "Converting old Django DB" - conn = sqlite3.connect('pyload.db') - c = conn.cursor() - c.execute("SELECT username, password, email FROM auth_user WHERE is_superuser") - users = [] - for r in c: - pw = r[1].split("$") - users.append((r[0], pw[1] + pw[2], r[2])) - c.close() - conn.close() - - self.c.executemany("INSERT INTO users(name, password, email) VALUES (?, ?, ?)", users) - shutil.move("pyload.db", "pyload.old.db") - - - def createCursor(self): - return self.conn.cursor() - - - @style.async - def commit(self): - self.conn.commit() - - - @style.queue - def syncSave(self): - self.conn.commit() - - - @style.async - def rollback(self): - self.conn.rollback() - - - def async(self, f, *args, **kwargs): - args = (self,) + args - job = DatabaseJob(f, *args, **kwargs) - self.jobs.put(job) - - - def queue(self, f, *args, **kwargs): - args = (self,) + args - job = DatabaseJob(f, *args, **kwargs) - self.jobs.put(job) - job.wait() - return job.result - - - @classmethod - def registerSub(cls, klass): - cls.subs.append(klass) - - - @classmethod - def unregisterSub(cls, klass): - cls.subs.remove(klass) - - - def __getattr__(self, attr): - for sub in DatabaseBackend.subs: - if hasattr(sub, attr): - return getattr(sub, attr) |