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# Copyright 2010-2011 Florent Le Coz <louiz@louiz.org>
#
# This file is part of Poezio.
#
# Poezio is free software: you can redistribute it and/or modify
# it under the terms of the zlib license. See the COPYING file.
from os import environ, makedirs
import os
from datetime import datetime
from config import config
from xhtml import clean_text
import logging
log = logging.getLogger(__name__)
DATA_HOME = config.get('log_dir', '') or os.path.join(environ.get('XDG_DATA_HOME') or os.path.join(environ.get('HOME'), '.local', 'share'), 'poezio')
DATA_HOME = os.path.expanduser(DATA_HOME)
class Logger(object):
"""
Appends things to files. Error/information/warning logs
and also log the conversations to logfiles
"""
def __init__(self):
self.logfile = config.get('logfile', 'logs')
self.roster_logfile = None
# a dict of 'groupchatname': file-object (opened)
self.fds = dict()
def __del__(self):
for opened_file in self.fds.values():
if opened_file:
try:
opened_file.close()
except: # Can't close? too bad
pass
def reload_all(self):
"""Close and reload all the file handles (on SIGHUP)"""
for opened_file in self.fds.values():
if opened_file:
opened_file.close()
log.debug('All log file handles closed')
for room in self.fds:
self.fds[room] = self.check_and_create_log_dir(room)
log.debug('Log handle for %s re-created', room)
def check_and_create_log_dir(self, room):
"""
Check that the directory where we want to log the messages
exists. if not, create it
"""
if config.get_by_tabname('use_log', 'false', room) == 'false':
return
directory = os.path.join(DATA_HOME, 'logs')
try:
makedirs(directory, exist_ok=True)
except OSError:
import traceback
log.debug('Cannot create log directory "%s":\n%s', directory, traceback.format_exc())
try:
fd = open(os.path.join(directory, room), 'a')
self.fds[room] = fd
return fd
except IOError:
import traceback
log.debug('Cannot open logfile %s:\n%s', room, traceback.format_exc())
return
def get_logs(self, jid, nb=10):
"""
Get the log history for the given jid
"""
if config.get_by_tabname('load_log', 10, jid) <= 0:
return
if nb <= 0:
return
directory = os.path.join(DATA_HOME, 'logs')
try:
fd = open(os.path.join(directory, jid), 'r')
except:
return
if not fd:
return
pos = fd.seek(0, 2)
reads = fd.readlines()
while len(reads) < nb + 1:
if pos == 0:
break
pos -= 100
if pos < 0:
pos = 0
fd.seek(pos)
try:
reads = fd.readlines()
except UnicodeDecodeError:
pass
fd.close()
logs = reads[-nb:]
return logs
def log_message(self, jid, nick, msg, date=None):
"""
log the message in the appropriate jid's file
"""
if config.get_by_tabname('use_log', 'false', jid) != 'true':
return True
if jid in self.fds.keys():
fd = self.fds[jid]
else:
fd = self.check_and_create_log_dir(jid)
if not fd:
return True
try:
msg = clean_text(msg)
if date is None:
str_time = datetime.now().strftime('%d-%m-%y [%H:%M:%S] ')
else:
str_time = date.strftime('%d-%m-%y [%H:%M:%S] ')
if nick:
fd.write(''.join((str_time, nick, ': ', msg, '\n')))
else:
fd.write(''.join((str_time, '* ', msg, '\n')))
except:
return False
else:
try:
fd.flush() # TODO do something better here?
except:
return False
return True
def log_roster_change(self, jid, message):
"""
Log a roster change
"""
if config.get_by_tabname('use_log', 'false', jid) != 'true':
return True
if not self.roster_logfile:
try:
self.roster_logfile = open(os.path.join(DATA_HOME, 'logs', 'roster.log'), 'a')
except IOError:
return False
try:
self.roster_logfile.write('%s %s %s\n' % (datetime.now().strftime('%d-%m-%y [%H:%M:%S]'), jid, message))
self.roster_logfile.flush()
except:
return False
return True
logger = Logger()
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