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sbdb.py
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sbdb.py
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#!/usr/bin/python
from gi.repository import GObject
try:
import loggy, os, sqlite3, mimetypes, tagger, config
except:
loggy.warn('sbdb - Could not find required libraries: loggy, os, sqlite3, mimetypes, tagger, gobject, config')
import soundblizzard
#from gi.repository import Gio
#import loggy, os, sqlite3, mimetypes, tagger
class sbdb(GObject.GObject):
__gsignals__ = {
'database-changed' : (GObject.SIGNAL_RUN_LAST, GObject.TYPE_NONE,()),
#'''emitted when database changes'''
}
tagger = None
#def __del__(self,sb=None):
# self.conn.commit()
# self.conn.close()
# loggy.log('Database closing')
def __init__(self, sb):
GObject.GObject.__init__(self)
self.sb = soundblizzard.soundblizzard # fakes for tab completion
self.sb = sb
#self.config = soundblizzard.config.config #provides direct access to config dictionary
if (not(os.path.isdir(os.path.dirname(self.sb.config.config['databasefile'])))):
loggy.warn ('Creating directories for requested database file')
os.makedirs(os.path.dirname(self.sb.config.config['databasefile'])) or loggy.warn ('...could not create config dir')
self.dbpath = self.sb.config.config['databasefile']
loggy.log("Database: Loading database from " + self.dbpath)
if loggy.debug:
sqlite3.enable_callback_tracebacks(True)
self.conn = sqlite3.connect(self.dbpath) or loggy.warn('Could not connect to database')
self.conn.row_factory = sqlite3.Row
self.curs = self.conn.cursor()
self.curs.row_factory = sqlite3.Row
self.keys = ('artist',
'title',
'album',
'date',
'genre',
'duration',
'rating',
'album-artist',
'track-count',
'track-number',
'mimetype',
#'atime',
'mtime',
#'ctime',
#'dtime',
#'size',
'uri',
'songid')#songid must be last as it's the primary key
self.blanktags = {'artist':'',
'title':'',
'album':'',
'date':0,
'genre':'',
'duration':0,
'rating':0,
'album-artist':'',
'track-count':1,
'track-number':1,
'mimetype':'',
#'atime':0,
'mtime':0,
#'ctime':0,
#'dtime':0,
#'size':0,
'uri':'',
'songid':None
}
#self.keys = self.blanktags.keys()[0:10]#('uri', 'artist', 'title', 'album', 'date', 'genre', 'duration', 'rating','album-artist', 'track-count', 'track-number') # + mimetype , atime, mtime, ctime, dtime #TODO:autogenerate from blank dict
#self.addkeys = self.blanktags.keys()[10:] #('mimetype', 'atime', 'mtime', 'ctime', 'dtime', 'size')
#self.totkeys = self.keys + self.addkeys +('songid',)
# self.blanktags = {} # creates blank key set so no type errors when key looked up does not exist
# for key in self.totkeys:
# self.blanktags[key] = None # TODO: move gubbins to config
# self.conn.commit()
#TODO: check database is okay, contains tables and necessary fields etc.
try:
self.curs.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='media'")
self.curs.execute("SELECT * from 'media'")
except sqlite3.OperationalError:
loggy.log('Database: no media table, recreating')
self.recreate_media_table()
#self.conn.close()
def sqlexec(self, string):
loggy.log('Database sqlexec:' + string)
self.curs.execute(string) #TODO: vulnerable to sql injection attacks - should assemble strings within execute -- use *args
#self.conn.commit()
def get_distinct(self,col, artist=None):
if col in self.keys:
if artist:
string ='select distinct {0} from media where artist = \'{1}\''.format(col,artist)
else:
string = 'select distinct {0} from media'.format(col)
self.curs.execute(string)
arr = self.curs.fetchall()
return arr
else:
raise TypeError('sbdb.get_distinct column not in keys')
def create_table(self, name, fields):
self.sqlexec('create table if not exists "%s" ( "%s" )' % (name, '" , "'.join(fields)))
def recreate_media_table(self):
self.sqlexec('drop table if exists \'media\' ')
self.sqlexec('create table if not exists "%s" ("%s" INTEGER PRIMARY KEY ASC )' % ('media', '" , "'.join(self.keys)))
self.recreate_media_history_table()
def recreate_media_history_table(self):
#self.sqlexec('drop table if exists \'media-history\' ')
#self.sqlexec('create table if not exists "%s" ("%s" INTEGER PRIMARY KEY ASC )' % ('media-history', '" , "'.join(self.keys)))
#NB id must be last to make primary key
#see http://souptonuts.sourceforge.net/readme_sqlite_tutorial.html
#creates table with column for new and old versions of all media table columns, plus an integer corresponding to history and the sqlaction performed
historykeys = []
for i in self.keys:
historykeys.extend(((i+'-new'),(i+'-old')))
#historykeys.extend(('sqlaction','historyid'))
valuekeys = []
for i in self.keys:
valuekeys.extend((('new.\''+i),('old.\''+i)))
historykeysnew = []
for i in self.keys:
historykeysnew.append((i+'-new'))
valuekeysnew = []
for i in self.keys:
valuekeysnew.append(('new.\''+i))
historykeysold = []
for i in self.keys:
historykeysold.append((i+'-old'))
valuekeysold = []
for i in self.keys:
valuekeysold.append(('old.\''+i))
sqlstatement = '''
drop table if exists \'media-history\' ;
create table \'media-history\' (\'{0}\', sqlaction , historyid INTEGER PRIMARY KEY ASC AUTOINCREMENT);
-- Create an update trigger --
CREATE TRIGGER \'update-media-history\' AFTER UPDATE ON media
BEGIN
INSERT INTO \'media-history\' (\'{0}\', sqlaction , historyid)
values ({1}', 'UPDATE', NULL);
END;
-- Also create an insert trigger
-- NOTE AFTER keyword --
CREATE TRIGGER \'insert-media-history\' AFTER INSERT ON media
BEGIN
INSERT INTO \'media-history\' ('{2}', sqlaction, historyid)
values ({3}', 'INSERT', NULL);
END;
-- Also create a DELETE trigger --
CREATE TRIGGER \'delete-media-history\' DELETE ON media
BEGIN
INSERT INTO \'media-history\' ('{4}', sqlaction, historyid)
values ({5}', 'DELETE', NULL);
END;
'''.format( ('\', \''.join(historykeys)), ('\', '.join(valuekeys)),('\', \''.join(historykeysnew)), ('\', '.join(valuekeysnew)),('\', \''.join(historykeysold)), ('\', '.join(valuekeysold)) )
print ('\n\nkeys'+str(self.keys))
print ('Historykeys:'+str(historykeys))
print ('Valuekeys:'+str(valuekeys))
print (sqlstatement)
self.curs.executescript(sqlstatement)
self.conn.commit()
def recreate_table(self, name, fields):
self.sqlexec('drop table if exists "%s" ' % name)
self.sqlexec('create table "%s" ("%s")' % (name, '" , "'.join(fields)))
# def insert_row(self, table, data):
# self.emit('database-changed')
# data = [str(item) for item in data]
# self.sqlexec('insert into "%s" values ( "%s" )' % (table, str('" , "'.join(data))))
def get_total_duration(self):
'''Gets total duration of media files in database in seconds'''
self.curs.execute('select sum(duration) from media')
result = self.curs.fetchone()[0]
return result
def get_total_songs(self):
self.curs.execute('select count(uri) from media')
result = self.curs.fetchone()[0]
return result
def get_total_artists(self):
self.curs.execute('select count(distinct artist) from media')
result = self.curs.fetchone()[0]
return result
def get_total_albums(self):
self.curs.execute('select count(distinct album) from media')
result = self.curs.fetchone()[0]
return result
def get_files(self):
self.curs.execute('select uri from media')
result = self.curs.fetchall()
return result
def insert_media(self, data):
loggy.log('Database insert media' + str(data))
data = tuple(data)
string = "insert into 'media' values ( ?" + " , ? "*(len(data)-1) + " )"
self.curs.execute(string, data)
def delete_row(self, table, field, value):
self.emit('database-changed')
self.sqlexec('delete from "%s" where "%s"="%s"' % (table, field, value))
def get_row(self, table, field, value):
self.sqlexec('select * from "%s" where "%s"="%s"' % (table, field, value))
return self.curs.fetchone()
def iter(self, callback):
self.curs.execute('select * from media')
row_arr = []
for row_array in self.curs:
for i in row_array:
row_arr.append(str(i))
callback(row_arr)
row_arr=[]
# def get_types(self):
# self.curs.execute('select * from media')
# temp = self.curs.fetchone()
def get_uri_db_info(self, uri):
self.sqlexec('select * from "media" where "uri"="' + str(uri) + '" ')
return self.curs.fetchone()
def get_id_db_info(self, songid):
self.sqlexec('select * from "media" where "songid"="' + str(songid) + '" ')
return self.curs.fetchone()
#return zip((self.totkeys), self.curs.fetchone())
# def get_uri_db_info_with_id(self,uri):
# self.sqlexec('select * from "media" where "uri"="' + uri + '" ')
# return self.curs.lastrowid,self.curs.fetchone()
# def get_uri_db_info_dict(self, uri):
# self.sqlexec('select * from "media" where "uri"="' + uri + '" ')
# print self.curs.fetchone()
# return zip((self.totkeys), list(self.curs.fetchone()))
def update_db(self):
#self.recreate_media_table()
self.sb.config.config['dbupdatetime'] = loggy.currenttime()
self.totag = []
if not self.tagger:
self.tagger = tagger.tagger()
for folder in self.sb.config.config['libraryfolders']:
loggy.log('ELE '+folder)
for path, dirs, files in os.walk(folder):
for filename in [os.path.abspath(os.path.join(path, filename)) for filename in files ]:
row = self.get_uri_db_info('file://'+filename)
if row:
mtime = int(os.path.getmtime(filename))
#(mode, ino, dev, nlink, uid, gid, size, atime, mtime, ctime) = os.stat(filename)
#print ' old {0}, new {1} mtimes'.format(row['mtime'], mtime)
if mtime >= row['mtime']:
continue
mime = mimetypes.guess_type(filename)[0] #TODO: get rid of mimetype
if not mime:
loggy.log('Update database - no mime type for '+filename)
elif mime.startswith("audio"):
loggy.log("Database recreate_db Adding Audio :" + filename)
self.totag.append(filename)
elif mime.startswith("video"):
loggy.log("Database recreate_db Adding Video :" + filename)
self.totag.append(filename)
else:
None
# loggy.log("Database recreate_db Unknown mime type:" +mime+", ignoring:" +filename)
self.totaltotag = len(self.totag)
loggy.log('Database:' + str(self.totaltotag) + ' files to scan')
self.gettag()
def recreate_db(self):
self.recreate_media_table()
self.totag = []
self.sb.config.config['dbupdatetime'] = loggy.currenttime()
if not self.tagger:
self.tagger = tagger.tagger()
for folder in self.sb.config.config['libraryfolders']:
loggy.log('ELE '+folder)
for path, dirs, files in os.walk(folder):
for filename in [os.path.abspath(os.path.join(path, filename)) for filename in files ]:
mime = mimetypes.guess_type(filename)[0] #TODO: get rid of mimetype
if not mime:
loggy.log('Update database - no mime type for '+filename)
elif mime.startswith("audio"):
loggy.log("Database recreate_db Adding Audio :" + filename)
self.totag.append(filename)
elif mime.startswith("video"):
loggy.log("Database recreate_db Adding Video :" + filename)
self.totag.append(filename)
else:
None
# loggy.log("Database recreate_db Unknown mime type:" +mime+", ignoring:" +filename)
self.totaltotag = len(self.totag)
loggy.log('Database:' + str(self.totaltotag) + ' files to scan')
self.gettag()
def gettag(self):
if len(self.totag)>0:
self.tagger.load_file(self.totag.pop(), self.settag)
else:
self.conn.commit()
loggy.log('finished getting tags...')
def settag(self):
loggy.log(str(len(self.totag))+' of '+str(self.totaltotag)+' remaining')
mime = mimetypes.guess_type(self.tagger.uri)[0] # take mime out into function?
if not mime:
loggy.warn('Mime type error in settag - no mime info')
elif mime.startswith("audio"):
type = 'audio'
elif mime.startswith("video"):
type = 'video'
else:
loggy.warn('Mime type error in settag - mime info incorrect')
self.tagger.tags['uri'] = self.tagger.uri
self.tagger.tags['mime'] = type
#print self.tagger.uri[7:]
#(mode, ino, dev, nlink, uid, gid, size, atime, mtime, ctime) = os.stat(self.tagger.uri[7:])
#filetemp = Gio.file_new_for_uri(self.tagger.uri) #file_new_for_uri
#temp.query_info('*',flags=gio.FILE_QUERY_INFO_NONE, cancellable=None)
#info = filetemp.query_info('standard::mtime')
self.tagger.tags['mtime'] = int(os.path.getmtime(self.tagger.uri[7:]))
if len(type)>0:
#try:
row = []
for key in self.keys:
if key in self.tagger.tags:
row.append(self.tagger.tags[key])
else:
row.append(None)
print (str(row))
self.insert_media(row)
self.gettag()
#TODO: convert to gio/uris, see test/gio stat, etc
#Does not work without soundblizzard really -
if __name__ == "__main__":
class tempclass:
def __init__(self):
self.config = config.config(self)
temp = tempclass()
temp.config = config.config(temp)
db = sbdb(temp)
#db.get_types()
db.recreate_db()
db.conn.commit()
GObject.MainLoop().run()