summaryrefslogtreecommitdiff
path: root/src/logger.py
blob: 7df44a295e61def52fa2a6a43d0a6f018b9e0a63 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
# 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)
        except OSError:
            pass
        try:
            fd = open(os.path.join(directory, room), 'a')
            self.fds[room] = fd
            return fd
        except IOError:
            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()