lbry-sdk/lbrynet/db_migrator/migrate0to1.py
Job Evers-Meltzer 7dbeb1f2cf Remove LBRY prefix from class and module names
This is the result of running:
    grep -RlI LBRY . | xargs sed -i 's/LBRY\([A-Z]\)/\1/g'
2016-09-27 11:18:35 -07:00

307 lines
12 KiB
Python

# import sqlite3
# import unqlite
# import leveldb
# import shutil
# import os
# import logging
# import json
#
#
# log = logging.getLogger(__name__)
#
#
# known_dbs = ['lbryfile_desc.db', 'lbryfiles.db', 'valuable_blobs.db', 'blobs.db',
# 'lbryfile_blob.db', 'lbryfile_info.db', 'settings.db', 'blind_settings.db',
# 'blind_peers.db', 'blind_info.db', 'lbryfile_info.db', 'lbryfile_manager.db',
# 'live_stream.db', 'stream_info.db', 'stream_blob.db', 'stream_desc.db']
#
#
# def do_move(from_dir, to_dir):
# for known_db in known_dbs:
# known_db_path = os.path.join(from_dir, known_db)
# if os.path.exists(known_db_path):
# log.debug("Moving %s to %s",
# os.path.abspath(known_db_path),
# os.path.abspath(os.path.join(to_dir, known_db)))
# shutil.move(known_db_path, os.path.join(to_dir, known_db))
# else:
# log.debug("Did not find %s", os.path.abspath(known_db_path))
#
#
# def do_migration(db_dir):
# old_dir = os.path.join(db_dir, "_0_to_1_old")
# new_dir = os.path.join(db_dir, "_0_to_1_new")
# try:
# log.info("Moving dbs from the real directory to %s", os.path.abspath(old_dir))
# os.makedirs(old_dir)
# do_move(db_dir, old_dir)
# except:
# log.error("An error occurred moving the old db files.")
# raise
# try:
# log.info("Creating the new directory in %s", os.path.abspath(new_dir))
# os.makedirs(new_dir)
#
# except:
# log.error("An error occurred creating the new directory.")
# raise
# try:
# log.info("Doing the migration")
# migrate_blob_db(old_dir, new_dir)
# migrate_lbryfile_db(old_dir, new_dir)
# migrate_livestream_db(old_dir, new_dir)
# migrate_ptc_db(old_dir, new_dir)
# migrate_lbryfile_manager_db(old_dir, new_dir)
# migrate_settings_db(old_dir, new_dir)
# migrate_repeater_db(old_dir, new_dir)
# log.info("Migration succeeded")
# except:
# log.error("An error occurred during the migration. Restoring.")
# do_move(old_dir, db_dir)
# raise
# try:
# log.info("Moving dbs in the new directory to the real directory")
# do_move(new_dir, db_dir)
# db_revision = open(os.path.join(db_dir, 'db_revision'), mode='w+')
# db_revision.write("1")
# db_revision.close()
# os.rmdir(new_dir)
# except:
# log.error("An error occurred moving the new db files.")
# raise
# return old_dir
#
#
# def migrate_blob_db(old_db_dir, new_db_dir):
# old_blob_db_path = os.path.join(old_db_dir, "blobs.db")
# if not os.path.exists(old_blob_db_path):
# return True
#
# old_db = leveldb.LevelDB(old_blob_db_path)
# new_db_conn = sqlite3.connect(os.path.join(new_db_dir, "blobs.db"))
# c = new_db_conn.cursor()
# c.execute("create table if not exists blobs (" +
# " blob_hash text primary key, " +
# " blob_length integer, " +
# " last_verified_time real, " +
# " next_announce_time real"
# ")")
# new_db_conn.commit()
# c = new_db_conn.cursor()
# for blob_hash, blob_info in old_db.RangeIter():
# blob_length, verified_time, announce_time = json.loads(blob_info)
# c.execute("insert into blobs values (?, ?, ?, ?)",
# (blob_hash, blob_length, verified_time, announce_time))
# new_db_conn.commit()
# new_db_conn.close()
#
#
# def migrate_lbryfile_db(old_db_dir, new_db_dir):
# old_lbryfile_db_path = os.path.join(old_db_dir, "lbryfiles.db")
# if not os.path.exists(old_lbryfile_db_path):
# return True
#
# stream_info_db = leveldb.LevelDB(os.path.join(old_db_dir, "lbryfile_info.db"))
# stream_blob_db = leveldb.LevelDB(os.path.join(old_db_dir, "lbryfile_blob.db"))
# stream_desc_db = leveldb.LevelDB(os.path.join(old_db_dir, "lbryfile_desc.db"))
#
# db_conn = sqlite3.connect(os.path.join(new_db_dir, "lbryfile_info.db"))
# c = db_conn.cursor()
# c.execute("create table if not exists lbry_files (" +
# " stream_hash text primary key, " +
# " key text, " +
# " stream_name text, " +
# " suggested_file_name text" +
# ")")
# c.execute("create table if not exists lbry_file_blobs (" +
# " blob_hash text, " +
# " stream_hash text, " +
# " position integer, " +
# " iv text, " +
# " length integer, " +
# " foreign key(stream_hash) references lbry_files(stream_hash)" +
# ")")
# c.execute("create table if not exists lbry_file_descriptors (" +
# " sd_blob_hash TEXT PRIMARY KEY, " +
# " stream_hash TEXT, " +
# " foreign key(stream_hash) references lbry_files(stream_hash)" +
# ")")
# db_conn.commit()
# c = db_conn.cursor()
# for stream_hash, stream_info in stream_info_db.RangeIter():
# key, name, suggested_file_name = json.loads(stream_info)
# c.execute("insert into lbry_files values (?, ?, ?, ?)",
# (stream_hash, key, name, suggested_file_name))
# db_conn.commit()
# c = db_conn.cursor()
# for blob_hash_stream_hash, blob_info in stream_blob_db.RangeIter():
# b_h, s_h = json.loads(blob_hash_stream_hash)
# position, iv, length = json.loads(blob_info)
# c.execute("insert into lbry_file_blobs values (?, ?, ?, ?, ?)",
# (b_h, s_h, position, iv, length))
# db_conn.commit()
# c = db_conn.cursor()
# for sd_blob_hash, stream_hash in stream_desc_db.RangeIter():
# c.execute("insert into lbry_file_descriptors values (?, ?)",
# (sd_blob_hash, stream_hash))
# db_conn.commit()
# db_conn.close()
#
#
# def migrate_livestream_db(old_db_dir, new_db_dir):
# old_db_path = os.path.join(old_db_dir, "stream_info.db")
# if not os.path.exists(old_db_path):
# return True
# stream_info_db = leveldb.LevelDB(os.path.join(old_db_dir, "stream_info.db"))
# stream_blob_db = leveldb.LevelDB(os.path.join(old_db_dir, "stream_blob.db"))
# stream_desc_db = leveldb.LevelDB(os.path.join(old_db_dir, "stream_desc.db"))
#
# db_conn = sqlite3.connect(os.path.join(new_db_dir, "live_stream.db"))
#
# c = db_conn.cursor()
#
# c.execute("create table if not exists live_streams (" +
# " stream_hash text primary key, " +
# " public_key text, " +
# " key text, " +
# " stream_name text, " +
# " next_announce_time real" +
# ")")
# c.execute("create table if not exists live_stream_blobs (" +
# " blob_hash text, " +
# " stream_hash text, " +
# " position integer, " +
# " revision integer, " +
# " iv text, " +
# " length integer, " +
# " signature text, " +
# " foreign key(stream_hash) references live_streams(stream_hash)" +
# ")")
# c.execute("create table if not exists live_stream_descriptors (" +
# " sd_blob_hash TEXT PRIMARY KEY, " +
# " stream_hash TEXT, " +
# " foreign key(stream_hash) references live_streams(stream_hash)" +
# ")")
#
# db_conn.commit()
#
# c = db_conn.cursor()
# for stream_hash, stream_info in stream_info_db.RangeIter():
# public_key, key, name, next_announce_time = json.loads(stream_info)
# c.execute("insert into live_streams values (?, ?, ?, ?, ?)",
# (stream_hash, public_key, key, name, next_announce_time))
# db_conn.commit()
# c = db_conn.cursor()
# for blob_hash_stream_hash, blob_info in stream_blob_db.RangeIter():
# b_h, s_h = json.loads(blob_hash_stream_hash)
# position, revision, iv, length, signature = json.loads(blob_info)
# c.execute("insert into live_stream_blobs values (?, ?, ?, ?, ?, ?, ?)",
# (b_h, s_h, position, revision, iv, length, signature))
# db_conn.commit()
# c = db_conn.cursor()
# for sd_blob_hash, stream_hash in stream_desc_db.RangeIter():
# c.execute("insert into live_stream_descriptors values (?, ?)",
# (sd_blob_hash, stream_hash))
# db_conn.commit()
# db_conn.close()
#
#
# def migrate_ptc_db(old_db_dir, new_db_dir):
# old_db_path = os.path.join(old_db_dir, "ptcwallet.db")
# if not os.path.exists(old_db_path):
# return True
# old_db = leveldb.LevelDB(old_db_path)
# try:
# p_key = old_db.Get("private_key")
# new_db = unqlite.UnQLite(os.path.join(new_db_dir, "ptcwallet.db"))
# new_db['private_key'] = p_key
# except KeyError:
# pass
#
#
# def migrate_lbryfile_manager_db(old_db_dir, new_db_dir):
# old_db_path = os.path.join(old_db_dir, "lbryfiles.db")
# if not os.path.exists(old_db_path):
# return True
# old_db = leveldb.LevelDB(old_db_path)
# new_db = sqlite3.connect(os.path.join(new_db_dir, "lbryfile_info.db"))
# c = new_db.cursor()
# c.execute("create table if not exists lbry_file_options (" +
# " blob_data_rate real, " +
# " status text," +
# " stream_hash text,"
# " foreign key(stream_hash) references lbry_files(stream_hash)" +
# ")")
# new_db.commit()
# FILE_STATUS = "t"
# FILE_OPTIONS = "o"
# c = new_db.cursor()
# for k, v in old_db.RangeIter():
# key_type, stream_hash = json.loads(k)
# if key_type == FILE_STATUS:
# try:
# rate = json.loads(old_db.Get(json.dumps((FILE_OPTIONS, stream_hash))))[0]
# except KeyError:
# rate = None
# c.execute("insert into lbry_file_options values (?, ?, ?)",
# (rate, v, stream_hash))
# new_db.commit()
# new_db.close()
#
#
# def migrate_settings_db(old_db_dir, new_db_dir):
# old_settings_db_path = os.path.join(old_db_dir, "settings.db")
# if not os.path.exists(old_settings_db_path):
# return True
# old_db = leveldb.LevelDB(old_settings_db_path)
# new_db = unqlite.UnQLite(os.path.join(new_db_dir, "settings.db"))
# for k, v in old_db.RangeIter():
# new_db[k] = v
#
#
# def migrate_repeater_db(old_db_dir, new_db_dir):
# old_repeater_db_path = os.path.join(old_db_dir, "valuable_blobs.db")
# if not os.path.exists(old_repeater_db_path):
# return True
# old_db = leveldb.LevelDB(old_repeater_db_path)
# info_db = sqlite3.connect(os.path.join(new_db_dir, "blind_info.db"))
# peer_db = sqlite3.connect(os.path.join(new_db_dir, "blind_peers.db"))
# unql_db = unqlite.UnQLite(os.path.join(new_db_dir, "blind_settings.db"))
# BLOB_INFO_TYPE = 'b'
# SETTING_TYPE = 's'
# PEER_TYPE = 'p'
# info_c = info_db.cursor()
# info_c.execute("create table if not exists valuable_blobs (" +
# " blob_hash text primary key, " +
# " blob_length integer, " +
# " reference text, " +
# " peer_host text, " +
# " peer_port integer, " +
# " peer_score text" +
# ")")
# info_db.commit()
# peer_c = peer_db.cursor()
# peer_c.execute("create table if not exists approved_peers (" +
# " ip_address text, " +
# " port integer" +
# ")")
# peer_db.commit()
# info_c = info_db.cursor()
# peer_c = peer_db.cursor()
# for k, v in old_db.RangeIter():
# key_type, key_rest = json.loads(k)
# if key_type == PEER_TYPE:
# host, port = key_rest
# peer_c.execute("insert into approved_peers values (?, ?)",
# (host, port))
# elif key_type == SETTING_TYPE:
# unql_db[key_rest] = v
# elif key_type == BLOB_INFO_TYPE:
# blob_hash = key_rest
# length, reference, peer_host, peer_port, peer_score = json.loads(v)
# info_c.execute("insert into valuable_blobs values (?, ?, ?, ?, ?, ?)",
# (blob_hash, length, reference, peer_host, peer_port, peer_score))
# info_db.commit()
# peer_db.commit()
# info_db.close()
# peer_db.close()