Last messages in ekg in conky

ekg2.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import urllib
import sys
import os
import unicodecsv as csv
import glob
import datetime


class Ekg(object):

    COLORS = { 'even': 'color1', 'odd' : 'color2', }

    def __init__(self):
        self.last_log_lines = self.__get_logs()

    def __get_logs(self):
        self.u2dt            = lambda utime : datetime.datetime.fromtimestamp(int(utime))
        not_older_than_a_day = lambda msgtime : msgtime+datetime.timedelta(days=1) > datetime.datetime.now()
        ls                   = lambda path, patern: [f for f in glob.glob(os.path.join(path, patern))]
        path                 = os.path.join(os.environ['HOME'], ".ekg2/logs")

        logs = []
        for account in ls(path, '*'):
            logs += ls(account, '*.txt')

        def last_line(path):
            with open(path) as myfile:
                lline = [line for i, line in enumerate(csv.reader(myfile))][-1]
                return {
                    'send'  : lline[0] == 'chatsend',
                    'adres' : lline[1],
                    'nick'  : lline[2],
                    'time'  : lline[3],
                    'msg'   : lline[-1]
                }
        last_log_lines = [last_line(log) for log in logs]
        last_log_lines = [f for f in last_log_lines if not f['send']]
        last_log_lines = sorted(last_log_lines, key=lambda k: k['time'], reverse=True)
        return [f for f in last_log_lines if not_older_than_a_day(self.u2dt(f['time']))]

    def display_conky_line(self, line, even):
        color = Ekg.COLORS['even' if even else 'odd']
        task_string = " ${%(color)s}[%(nick)s] %(msg)s $alignr %(time)s $color\n"
        return task_string % {
                'color': color,
                'msg': unicode(line['msg'][:18]).strip()+'...',
                'time': self.u2dt(line['time']).strftime('%H:%M:%S'),
                'nick': line['nick'], }

    def conky(self):
        return_string = ''
        even = False
        for log in self.last_log_lines:
            even = not even
            return_string += self.display_conky_line(log, even)
        return return_string if return_string else " [Brak nowych wiadomosci]"


if __name__ == '__main__':
    ekg = Ekg()
    print(ekg.conky())