gajim-plural/scripts/migrate_logs_to_dot9_db.py

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#!/usr/bin/env python
import os
import sre
import sys
import time
import signal
signal.signal(signal.SIGINT, signal.SIG_DFL) # ^C exits the application
from pysqlite2 import dbapi2 as sqlite
class Constants:
def __init__(self):
(
self.JID_NORMAL_TYPE,
self.JID_ROOM_TYPE # image to show state (online, new message etc)
) = range(2)
(
self.KIND_STATUS,
self.KIND_GCSTATUS,
self.KIND_GC_MSG,
self.KIND_SINGLE_MSG_RECV,
self.KIND_CHAT_MSG_RECV,
self.KIND_SINGLE_MSG_SENT,
self.KIND_CHAT_MSG_SENT
) = range(7)
(
self.SHOW_ONLINE,
self.SHOW_CHAT,
self.SHOW_AWAY,
self.SHOW_XA,
self.SHOW_DND,
self.SHOW_OFFLINE
) = range(6)
constants = Constants()
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if os.name == 'nt':
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try:
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PATH_TO_LOGS_BASE_DIR = os.path.join(os.environ['appdata'], 'Gajim', 'Logs')
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PATH_TO_DB = os.path.join(os.environ['appdata'], 'Gajim', 'logs.db') # database is called logs.db
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except KeyError:
# win9x
PATH_TO_LOGS_BASE_DIR = '../src/Logs'
PATH_TO_DB = '../src/logs.db'
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else:
PATH_TO_LOGS_BASE_DIR = os.path.expanduser('~/.gajim/logs')
PATH_TO_DB = os.path.expanduser('~/.gajim/logs.db') # database is called logs.db
if os.path.exists(PATH_TO_DB):
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print '%s already exists. Exiting..' % PATH_TO_DB
sys.exit()
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jids_already_in = [] # jid we already put in DB
con = sqlite.connect(PATH_TO_DB)
os.chmod(PATH_TO_DB, 0600) # rw only for us
cur = con.cursor()
# create the tables
# kind can be
# status, gcstatus, gc_msg, (we only recv for those 3),
# single_msg_recv, chat_msg_recv, chat_msg_sent, single_msg_sent
# to meet all our needs
# logs.jid_id --> 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 UNIQUE,
jid TEXT UNIQUE,
type INTEGER
);
CREATE TABLE logs(
log_line_id INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE,
jid_id INTEGER,
contact_name TEXT,
time INTEGER,
kind INTEGER,
show INTEGER,
message TEXT,
subject 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):
# jids.jid text column will be JID if TC-related, room_jid if GC-related,
# ROOM_JID/nick if pm-related. Here I get names from filenames
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if dirname.endswith('logs') or dirname.endswith('Logs'):
# 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+1:]
jid = jid.lower()
return jid
def decode_jid(string):
'''try to decode (to make it Unicode instance) given jid'''
# by the time we go to iso15 it better be the one else we show bad characters
encodings = (sys.getfilesystemencoding(), 'utf-8', 'iso-8859-15')
for encoding in encodings:
try:
string = string.decode(encoding)
except UnicodeError:
continue
return string
return None
def visit(arg, dirname, filenames):
print 'Visiting', dirname
for filename in filenames:
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# Don't take this file into account, this is dup info
# notifications are also in contact log file
if filename in ('notify.log', 'readme'):
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continue
path_to_text_file = os.path.join(dirname, filename)
if os.path.isdir(path_to_text_file):
continue
jid = get_jid(dirname, filename)
jid = decode_jid(jid)
if not jid:
continue
if filename == os.path.basename(dirname): # gajim@conf/gajim@conf then gajim@conf is type room
jid_type = constants.JID_ROOM_TYPE
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print 'Processing', jid.encode('utf-8'), 'of type room'
else:
jid_type = constants.JID_NORMAL_TYPE
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print 'Processing', jid.encode('utf-8'), 'of type normal'
JID_ID = None
f = open(path_to_text_file, 'r')
lines = f.readlines()
for line in lines:
line = from_one_line(line)
splitted_line = line.split(':')
if len(splitted_line) > 2:
# type in logs is one of
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# 'gc', 'gcstatus', 'recv', 'sent' and if nothing of those
# it is status
# new db has:
# status, gcstatus, gc_msg, (we only recv those 3),
# single_msg_recv, chat_msg_recv, chat_msg_sent, single_msg_sent
# to meet all our needs
# here I convert
# gc ==> gc_msg, gcstatus ==> gcstatus, recv ==> chat_msg_recv
# sent ==> chat_msg_sent, status ==> status
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typ = splitted_line[1] # line[1] has type of logged message
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message_data = splitted_line[2:] # line[2:] has message data
# line[0] is date,
# some lines can be fucked up, just drop them
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try:
tim = int(float(splitted_line[0]))
except:
continue
contact_name = None
show = None
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if typ == 'gc':
contact_name = message_data[0]
message = ':'.join(message_data[1:])
kind = constants.KIND_GC_MSG
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elif typ == 'gcstatus':
contact_name = message_data[0]
show = message_data[1]
message = ':'.join(message_data[2:]) # status msg
kind = constants.KIND_GCSTATUS
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elif typ == 'recv':
message = ':'.join(message_data[0:])
kind = constants.KIND_CHAT_MSG_RECV
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elif typ == 'sent':
message = ':'.join(message_data[0:])
kind = constants.KIND_CHAT_MSG_SENT
else: # status
kind = constants.KIND_STATUS
show = message_data[0]
message = ':'.join(message_data[1:]) # status msg
# message = decode_string(message)
message = message[:-1] # remove last \n
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if not message:
continue
# jid is already in the DB, don't create a new row, just get his jid_id
if not JID_ID:
if jid in jids_already_in:
cur.execute('SELECT jid_id FROM jids WHERE jid = "%s"' % jid)
JID_ID = cur.fetchone()[0]
else:
jids_already_in.append(jid)
cur.execute('INSERT INTO jids (jid, type) VALUES (?, ?)',
(jid, jid_type))
con.commit()
JID_ID = cur.lastrowid
sql = 'INSERT INTO logs (jid_id, contact_name, time, kind, show, message) '\
'VALUES (?, ?, ?, ?, ?, ?)'
values = (JID_ID, contact_name, tim, kind, show, message)
cur.execute(sql, values)
con.commit()
if __name__ == '__main__':
print 'IMPORTNANT: PLEASE READ http://trac.gajim.org/wiki/MigrateLogToDot9DB'
print 'Migration will start in 40 seconds unless you press Ctrl+C'
time.sleep(40) # give the user time to act
print
print 'Starting Logs Migration'
print '======================='
print 'Please do NOT run Gajim until this script is over'
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()