def get_changed_ids(start, end):
try:
conn = psycopg2.connect(PG_CONNECT)
except psycopg2.OperationalError as err:
log("Cannot connect to database: %s" % err)
sys.exit(-1)
data = {}
entities = ('artist', 'label', 'recording', 'release_group', 'release', 'work')
for entity in entities:
data[entity] = get_ids_for_entity(conn, queries.queries[entity], start, end)
return data
#!/usr/bin/python
import sys
import os
from time import ctime
from changedmbidfeed import config
from changedmbidfeed import feed
from changedmbidfeed.log import log
# optparse is retarded and argparse is not support on our target platform, so we'll just it manually
if len(sys.argv) == 1:
# Continue where we left off last time
seq, timestamp = feed.read_state_data()
if not seq:
log("Cannot continue. Can't read state data file. Start a feed by running with the --create option")
sys.exit(-1)
log("Creating changed mbid feed from last replication packet")
feed.generate_entry(config.OUTPUT_DIR, seq, timestamp)
if len(sys.argv) == 2 and (sys.argv[1] == '-c' or sys.argv[1] == '--create'):
# check to make sure we dont already have a last updated file
seq, timestamp = feed.read_state_data()
if seq:
log("A %s file already exists. If you would like to start a new feed, remove this file first." % feed.LAST_UPDATED_FILE)
sys.exit(-1)
seq, timestamp = feed.get_current_replication_info()
log("The database has replication sequence %s and timestamp %s" % (seq, timestamp))