259 lines
8.3 KiB
Python
259 lines
8.3 KiB
Python
# Copyright 2010-2011 Florent Le Coz <louiz@louiz.org>
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#
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# This file is part of Poezio.
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#
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# Poezio is free software: you can redistribute it and/or modify
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# it under the terms of the zlib license. See the COPYING file.
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from os import environ, makedirs
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import os
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import re
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from datetime import datetime
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from config import config
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from xhtml import clean_text
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from theming import dump_tuple, get_theme
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import logging
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log = logging.getLogger(__name__)
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from config import LOG_DIR
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log_dir = os.path.join(LOG_DIR, 'logs')
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message_log_re = re.compile('MR (\d{4})(\d{2})(\d{2})T(\d{2}):(\d{2}):(\d{2})Z (\d+) <([^ ]+)> (.*)')
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info_log_re = re.compile('MI (\d{4})(\d{2})(\d{2})T(\d{2}):(\d{2}):(\d{2})Z (\d+) (.*)')
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def parse_message_line(msg):
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if re.match(message_log_re, msg):
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return [i for i in re.split(message_log_re, msg) if i]
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elif re.match(info_log_re, msg):
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return [i for i in re.split(info_log_re, msg) if i]
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return False
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class Logger(object):
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"""
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Appends things to files. Error/information/warning logs
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and also log the conversations to logfiles
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"""
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def __init__(self):
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self.logfile = config.get('logfile', 'logs')
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self.roster_logfile = None
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# a dict of 'groupchatname': file-object (opened)
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self.fds = dict()
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def __del__(self):
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for opened_file in self.fds.values():
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if opened_file:
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try:
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opened_file.close()
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except: # Can't close? too bad
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pass
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def reload_all(self):
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"""Close and reload all the file handles (on SIGHUP)"""
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for opened_file in self.fds.values():
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if opened_file:
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opened_file.close()
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log.debug('All log file handles closed')
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for room in self.fds:
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self.fds[room] = self.check_and_create_log_dir(room)
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log.debug('Log handle for %s re-created', room)
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def check_and_create_log_dir(self, room, open_fd=True):
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"""
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Check that the directory where we want to log the messages
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exists. if not, create it
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"""
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if config.get_by_tabname('use_log', 'true', room) == 'false':
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return
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try:
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makedirs(log_dir)
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except FileExistsError:
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pass
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except:
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log.error('Unable to create the log dir', exc_info=True)
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return
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if not open_fd:
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return
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try:
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fd = open(os.path.join(log_dir, room), 'a')
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self.fds[room] = fd
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return fd
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except IOError:
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log.error('Unable to open the log file (%s)',
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os.path.join(log_dir, room),
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exc_info=True)
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def get_logs(self, jid, nb=10):
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"""
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Get the log history for the given jid
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"""
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if config.get_by_tabname('load_log', 10, jid) <= 0:
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return
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if config.get_by_tabname('use_log', 'true', jid) == 'false':
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return
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if nb <= 0:
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return
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self.check_and_create_log_dir(jid, open_fd=False)
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try:
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fd = open(os.path.join(log_dir, jid), 'rb')
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except:
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log.error('Unable to open the log file (%s)',
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os.path.join(log_dir, jid),
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exc_info=True)
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return
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if not fd:
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return
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pos = fd.seek(0, 2)
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reads = 0
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check_next = False
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while reads < nb:
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if pos == 0:
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break
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pos -= 1
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if pos < 0:
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pos = 0
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fd.seek(pos)
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char = fd.read(1)
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if char == b'\n':
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if fd.read(2) in (b'MR', b'MI'):
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reads += 1
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fd.seek(-2, 1)
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logs = fd.readlines()
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fd.close()
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lines = []
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for line in logs:
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lines.append(line.decode(errors='replace')[:-1])
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log.debug(lines)
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messages = []
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color = '\x19%s}' % dump_tuple(get_theme().COLOR_INFORMATION_TEXT)
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idx = 0
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while idx < len(lines):
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if lines[idx].startswith(' '): # should not happen ; skip
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idx += 1
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log.debug('fail?')
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continue
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tup = parse_message_line(lines[idx])
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idx += 1
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if not tup or 7 > len(tup) > 10 : # skip
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log.debug('format? %s', tup)
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continue
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time = [int(i) for index, i in enumerate(tup) if index < 6]
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message = {'lines': [], 'history': True, 'time': datetime(*time)}
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size = int(tup[6])
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if len(tup) == 8: #info line
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message['lines'].append(color+tup[7])
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else: # message line
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message['nickname'] = tup[7]
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message['lines'].append(color+tup[8])
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while size != 0 and idx < len(lines):
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message['lines'].append(lines[idx][1:])
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size -= 1
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idx += 1
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message['txt'] = '\n'.join(message['lines'])
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del message['lines']
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messages.append(message)
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return messages
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def log_message(self, jid, nick, msg, date=None, typ=1):
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"""
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log the message in the appropriate jid's file
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type:
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0 = Don’t log
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1 = Message
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2 = Status/whatever
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"""
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if not typ:
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return True
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jid = str(jid).replace('/', '\\')
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if config.get_by_tabname('use_log', 'false', jid) != 'true':
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return True
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if jid in self.fds.keys():
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fd = self.fds[jid]
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else:
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fd = self.check_and_create_log_dir(jid)
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if not fd:
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return True
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try:
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msg = clean_text(msg)
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if date is None:
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str_time = datetime.now().strftime('%Y%m%dT%H:%M:%SZ')
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else:
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str_time = date.strftime('%Y%m%dT%H:%M:%SZ')
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if typ == 1:
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prefix = 'MR'
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else:
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prefix = 'MI'
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lines = msg.split('\n')
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first_line = lines.pop(0)
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nb_lines = str(len(lines)).zfill(3)
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for line in lines:
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self.roster_logfile.write(' %s\n' % line)
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if nick:
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nick = '<' + nick + '>'
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fd.write(' '.join((prefix, str_time, nb_lines, nick, ' '+first_line, '\n')))
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else:
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fd.write(' '.join((prefix, str_time, nb_lines, first_line, '\n')))
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for line in lines:
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fd.write(' %s\n' % line)
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except:
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log.error('Unable to write in the log file (%s)',
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os.path.join(log_dir, jid),
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exc_info=True)
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return False
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else:
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try:
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fd.flush() # TODO do something better here?
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except:
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log.error('Unable to flush the log file (%s)',
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os.path.join(log_dir, jid),
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exc_info=True)
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return False
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return True
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def log_roster_change(self, jid, message):
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"""
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Log a roster change
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"""
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if config.get_by_tabname('use_log', 'false', jid) != 'true':
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return True
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if not self.roster_logfile:
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try:
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self.roster_logfile = open(os.path.join(log_dir, 'roster.log'), 'a')
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except IOError:
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log.error('Unable to create the log file (%s)',
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os.path.join(log_dir, 'roster.log'),
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exc_info=True)
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return False
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try:
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str_time = datetime.now().strftime('%Y%m%dT%H:%M:%SZ')
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message = clean_text(message)
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lines = message.split('\n')
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first_line = lines.pop(0)
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nb_lines = str(len(lines)).zfill(3)
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self.roster_logfile.write('MI %s %s %s %s\n' % (str_time, nb_lines, jid, first_line))
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for line in lines:
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self.roster_logfile.write(' %s\n' % line)
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self.roster_logfile.flush()
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except:
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log.error('Unable to write in the log file (%s)',
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os.path.join(log_dir, 'roster.log'),
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exc_info=True)
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return False
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return True
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logger = Logger()
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