gajim-plural/scripts/migrate_logs_to_dot9_db.py

136 lines
3.9 KiB
Python
Executable File

#!/usr/bin/env python
import os
import sre
from pysqlite2 import dbapi2 as sqlite
PATH_TO_LOGS_BASE_DIR = os.path.expanduser('~/.gajim/logs')
path_to_db = os.path.expanduser('~/.gajim/logs.db') # database is called logs.db
con = sqlite.connect(path_to_db)
cur = con.cursor()
# create the tables
# type can be 'gc', 'gcstatus', 'recv', 'sent', 'status'
# logs --> jids.jid_id but Sqlite doesn't do FK etc so it's done in python code
cur.executescript(
'''
CREATE TABLE jids(
jid_id INTEGER PRIMARY KEY AUTOINCREMENT,
jid TEXT UNIQUE
);
CREATE TABLE logs(
log_line_id INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE,
jid_id INTEGER,
contact_name TEXT,
time INTEGER,
type TEXT,
show TEXT,
message TEXT
);
'''
)
con.commit()
# (?<!\\) is a lookbehind assertion which asks anything but '\'
# to match the regexp that follows it
re = sre.compile(r'(?<!\\)\\n')
def from_one_line(msg):
# So here match '\\n' but not if you have a '\' before that
msg = re.sub('\n', msg)
msg = msg.replace('\\\\', '\\')
# s12 = 'test\\ntest\\\\ntest'
# s13 = re.sub('\n', s12)
# s14 s13.replace('\\\\', '\\')
# s14
# 'test\ntest\\ntest'
return msg
def get_jid(dirname, filename):
# TABLE NAME will be JID if TC-related, room_jid if GC-related,
# ROOM_JID/nick if pm-related
if dirname.endswith('logs/'): # basename(gajim.LOGPATH)
# we have file (not dir) in logs base dir, so it's TC
jid = filename # file is JID
else:
# we are in a room folder (so it can be either pm or message in room)
if filename == os.path.basename(dirname): # room/room
jid = dirname # filename is ROOM_JID
else: #room/nick it's pm
jid = dirname + '/' + filename
if jid.startswith('/'):
p = len(PATH_TO_LOGS_BASE_DIR)
jid = jid[p:]
jid = jid.lower()
return jid
def visit(arg, dirname, filenames):
for filename in filenames:
path_to_text_file = os.path.join(dirname, filename)
if os.path.isdir(path_to_text_file):
continue
jid = get_jid(dirname, filename)
cur.execute('INSERT INTO jids (jid) VALUES (?)', (jid,))
con.commit()
cur.execute('SELECT COUNT(*) FROM jids')
JID_ID = cur.fetchone()[0]
f = open(path_to_text_file, 'r')
lines = f.readlines()
for line in lines:
line = from_one_line(line)
splitted_line = line.split(':')
# 'gc', 'gcstatus', 'recv', 'sent' and if nothing of those
# it is status
type = splitted_line[1] # line[1] has type of logged message
message_data = splitted_line[2:] # line[2:] has message data
if len(splitted_line) > 2:
# line[0] is date,
tim = int(float(splitted_line[0]))
sql = 'INSERT INTO logs (jid_id, contact_name, time, type, show, message) '\
'VALUES (?, ?, ?, ?, ?, ?)'
contact_name = None
show = None
if type == 'gc':
contact_name = message_data[0]
message = ':'.join(message_data[1:])
elif type == 'gcstatus':
contact_name = message_data[0]
show = message_data[1]
message = ':'.join(message_data[2:]) # status msg
elif type in ('recv', 'sent'):
message = ':'.join(message_data[0:])
else: # status
type = 'status'
show = message_data[0]
message = ':'.join(message_data[1:]) # status msg
values = (JID_ID, contact_name, tim, type, show, message)
cur.execute(sql, values)
con.commit()
if __name__ == '__main__':
os.path.walk(PATH_TO_LOGS_BASE_DIR, visit, None)
f = open(os.path.join(PATH_TO_LOGS_BASE_DIR, 'README'), 'w')
f.write('We do not use plain-text files anymore, because they do not scale.\n')
f.write('Those files here are logs for Gajim up until 0.8.2\n')
f.write('We now use an sqlite database called logs.db found in ~/.gajim\n')
f.write('You can always run the migration script to import your old logs to the database\n')
f.write('Thank you\n')
f.close()
# after huge import create the indices (they are slow on massive insert)
cur.executescript(
'''
CREATE UNIQUE INDEX JID_Index ON jids (jid);
CREATE INDEX JID_ID_Index ON logs (jid_id);
'''
)