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#!/usr/bin/python
import sys, os
import psycopg2
class Migrator:
def __init__(self):
try:
self.mOldConn = psycopg2.connect("dbname=shemov user=shemov password=shemov")
self.mNewConn = psycopg2.connect("dbname=shemov2 user=shemov password=shemov")
except psycopg2.OperationalError as ex:
print ex,
sys.exit(1)
self.mGenreMap = {}
self.mNewGenreMap = {}
self.mActorMap = {}
self.mNewActorMap = {}
self.mSeriesMap = {}
self.mSeriesPartMap = {}
self.reset()
self.migrate()
def reset(self):
cur = self.mNewConn.cursor()
cur.execute("DELETE FROM series")
cur.execute("SELECT setval('series_iseries_id__seq', 1)")
cur.execute("SELECT setval('genres_igenres_id__seq', 1)")
cur.execute("SELECT setval('seriesparts_seriesparts_id__seq', 1)")
cur.execute("SELECT setval('actors_iactors_id__seq', 1)")
cur.execute("DELETE FROM genres")
cur.execute("DELETE FROM actors")
def migrate(self):
movieQuery = "SELECT imovid, ttitle, bisize, igenreid, iquality, idvd, iseriesno, ipartno, cmd5sum, tfilename FROM movies"
movieCursor = self.mOldConn.cursor()
movieCursor.execute(movieQuery)
for rec in movieCursor:
(movid, title, size, genre, quality, dvd, seriesno, partno, md5, filename) = rec
print "Migrating %s %s (part %s)" % (title, seriesno, partno)
genreName = self.genreName(genre)
actorIds = self.actorIds(movid)
actorNames = self.actorNames(actorIds)
self.newEntry(title, seriesno, filename, md5, size, dvd, 1, partno, genreName, actorNames, quality)
self.covers()
def covers(self):
q1 = "SELECT covers.tfilename, covers.imovid, tcovertype, covers.cmd5sum, ttitle, iseriesno FROM covers, movies WHERE covers.imovid = movies.imovid"
q2 = "SELECT iseriesparts_id from seriesparts, series WHERE series.tseries_name = %s AND seriesparts.iseriespart = %s AND series.iseries_id = seriesparts.iseries_id"
q3 = "INSERT INTO files(iseriespart_id, tfilename, cmd5sum, bisize, sifiletype) VALUES(%s, %s, %s, %s, %s)"
oldCur = self.mOldConn.cursor()
oldCur.execute(q1)
newCur = self.mNewConn.cursor()
newCur2 = self.mNewConn.cursor()
coverTypesMap = {
'front' : 2,
'back' : 3,
'general' : 4
}
for cover in oldCur:
(filename, movid, tcovertype, cmd5sum, title, series) = cover
print "Fixing cover %s" % (filename,)
series = series == -1 and 1 or series
coverType = coverTypesMap[tcovertype]
newCur.execute(q2, (title, series))
seriespartids = newCur.fetchone()
seriespartid = -1
if len(seriespartids) != 0:
seriespartid = seriespartids[0]
path = "/home/am/movs/vids/archive/%s/%s/%s" % (cmd5sum[0], cmd5sum[1], filename)
size = -1
try:
size = os.stat(path).st_size
except OSError:
print "Could not stat %s" % path
continue
newCur2.execute(q3, (seriespartid, filename, cmd5sum, size, coverType))
self.mNewConn.commit()
def newEntry(self, title, partno, filename, md5, size, dvd, filetype, fileno, genreName, actorNames, quality):
seriesid = self.newSeries(title)
seriespartid = self.newSeriesPart(seriesid, partno)
self.newFile(seriespartid, filename, md5, size, dvd, 1, fileno, quality)
genreId = self.genreId(genreName)
newCur = self.mNewConn.cursor()
if genreId != -1:
q1 = "INSERT INTO seriesparts_genremap(iseriesparts_id, igenres_id) VALUES(%s, %s)"
newCur.execute(q1, (seriespartid, genreId))
self.mNewConn.commit()
actorIds = self.newActorIds(actorNames)
if len(actorIds):
q2 = "INSERT INTO seriesparts_actormap(iseriesparts_id, iactors_id) VALUES(%s, %s)"
for aId in actorIds:
try:
newCur.execute(q2, (seriespartid, aId))
except psycopg2.Error:
pass
self.mNewConn.commit()
def newActorIds(self, actorNames):
retval = []
cur = self.mNewConn.cursor()
for actor in actorNames:
if actor in self.mNewActorMap.keys():
retval.append(self.mNewActorMap[actor])
else:
q1 = "INSERT INTO actors(tactorname) VALUES(%s)"
cur.execute(q1, (actor,))
cur.execute("SELECT currval('actors_iactors_id__seq')")
newId = cur.fetchone()[0]
self.mNewConn.commit()
self.mNewActorMap[actor] = newId
retval.append(newId)
return retval
def genreId(self, genreName):
if genreName in self.mNewGenreMap.keys():
return self.mNewGenreMap[genreName]
q1 = "INSERT into genres(tgenrename) VALUES(%s)"
cur = self.mNewConn.cursor()
try:
cur.execute(q1, (genreName,))
except psycopg2.Error as ex:
print "Error %s" % (ex.pgerror,)
self.mNewConn.rollback()
return -1
cur.execute("SELECT currval('genres_igenres_id__seq')")
retval = cur.fetchone()
self.mNewConn.commit()
self.mNewGenreMap[genreName] = retval
return retval
def newFile(self, seriespartid, filename, md5, size, dvd, filetype, fileno, quality):
q1 = "INSERT INTO files(iseriespart_id, tfilename, cmd5sum, bisize, idvd, sifiletype, sifileno, siquality) VALUES(%s, %s, %s, %s, %s, %s, %s, %s)"
cur = self.mNewConn.cursor()
try:
cur.execute(q1, (seriespartid, filename, md5, size, dvd, filetype, fileno, quality))
except psycopg2.Error as ex:
print "Error: %s" %(ex.pgerror, )
self.mNewConn.rollback()
self.mNewConn.commit()
def newSeriesPart(self, seriesid, part):
part = part == -1 and 1 or part
q1 = "SELECT iseriesparts_id FROM seriesparts WHERE iseries_id = %s AND iseriespart = %s"
cur = self.mNewConn.cursor()
cur.execute(q1, (seriesid, part))
spartids = cur.fetchall()
retval = -1
if len(spartids) == 0:
q2 = "INSERT INTO seriesparts(iseriespart, iseries_id) VALUES(%s, %s)"
cur.execute(q2, (part, seriesid))
cur.execute("SELECT currval('seriesparts_seriesparts_id__seq')")
retval = cur.fetchall()[0][0]
self.mNewConn.commit()
else:
retval = spartids[0][0]
return retval
def newSeries(self, seriesName):
if seriesName in self.mSeriesMap.keys():
return self.mSeriesMap[seriesName]
q1 = "INSERT INTO series(tseries_name) VALUES(%s)"
cur = self.mNewConn.cursor()
try:
cur.execute(q1, (seriesName, ))
except psycopg2.Error as ex:
print "Error: %s" % (ex.pgerror, )
self.mNewConn.rollback()
return -1
q2 = "SELECT currval('series_iseries_id__seq')"
cur.execute(q2)
retval = cur.fetchone()[0]
self.mNewConn.commit()
self.mSeriesMap[seriesName] = retval
return retval
def actorIds(self, movId):
query = "SELECT iactorid from movieactormap WHERE imovid = %s"
cur = self.mOldConn.cursor()
cur.execute(query, (movId,))
return cur.fetchall()
def genreName(self, genreId):
if genreId in self.mGenreMap.keys():
return self.mGenreMap[genreId]
query = "SELECT tgenrename FROM genre WHERE igenreid = %s"
cur = self.mOldConn.cursor()
cur.execute(query, (genreId, ))
name = cur.fetchone()
if name:
self.mGenreMap[genreId] = name[0]
return self.mGenreMap[genreId]
def actorNames(self, actorIds):
retval = []
query = "SELECT tactorname FROM actor where iactorid = %s"
cur = self.mOldConn.cursor()
for aId in actorIds:
if aId in self.mActorMap.keys():
retval.append(self.mActorMap[aId])
else:
cur.execute(query, (aId, ))
name = cur.fetchone()
if name:
self.mActorMap[aId] = name[0]
retval.append(name[0])
return retval
if __name__ == '__main__':
t = Migrator()
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