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# -*- coding: utf-8 -*-
'''module with functions to export conversation logs'''
# This file is part of emesene.
#
# Emesene is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# Emesene is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with emesene; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
# USA
import os
import sys
import time
import emesenelib.common
import plugins_base.Logger as Logger
# limit the result to 10000 messages, it can be changed..
RESULT_LIMIT = 10000
def parse_format(format):
'''parse the format and return the style'''
# FN=Sans; EF=; CO=000000; PF=0
style = ''
if format.find("FN=") != -1:
font = format.split('FN=')[1].split(';')[0].replace('%20', ' ')
style += 'font-family: ' + emesenelib.common.escape(font) + ';'
if format.find("CO=") != -1:
color = format.split('CO=')[1].split(';')[0]
if len(color) == 3:
color = color[2] + color[1] + color[0]
style += 'color: #' + emesenelib.common.escape(color) + ';'
else:
color = color.zfill(6)
if len(color) == 6:
color = color[4:6] + color[2:4] + color[:2]
style += 'color: #' + emesenelib.common.escape(color) + ';'
if format.find("EF=") != -1:
effect = set(format.split('EF=')[1].split(';')[0])
if "B" in effect:
style += 'font-weight: bold;'
if "I" in effect:
style += 'font-style: italic;'
if "U" in effect:
style += 'text-decoration: underline;'
if "S" in effect:
style += 'text-decoration: line-through;'
return style
def format_message_plain(date, nick, message):
'''return a plain text message'''
(_format, encoding, text) = message.split('\r\n')
return '[' + date + '] ' + nick + ': ' + text
def format_message_html(date, nick, message):
'''return a plain text message'''
(_format, encoding, text) = message.split('\r\n')
style = parse_format(_format)
formated_message = '<span style="%s">%s</span>' % (style, text)
return '[' + date + '] <em>' + nick + '</em>: ' + formated_message + '<br/>'
def export(filename, mail, format, out):
'''export the conversations from the user with mail "mail" located
on the logs in "filename" using the format "format" writing to
the file-like object out (use sys.stdout to print or StringIO to
get a string)'''
if format == 'html':
format_fun = format_message_html
else:
format_fun = format_message_plain
if not os.access(filename, os.R_OK):
out.write('cant read from file %s' % (filename,))
return False
logger = Logger.Logger(filename)
put_new_line = True
if format == 'html':
out.write('<html><body>')
for id_conversation in logger.get_conversation_ids(mail):
if put_new_line:
if format == 'html':
out.write('<br/>')
else:
out.write('\n\n')
put_new_line = False
if export_conversation(logger, id_conversation, out
, RESULT_LIMIT) > 0:
put_new_line = True
if format == 'html':
out.write('</body></html>')
return True
def export_conversation(logger, id_conversation, out, msg_limit=10000,
format_fun=format_message_html):
'''export one conversation, return the number of messages printed
(0 means that this conversation was to request a DP or something)'''
nick_cache = {}
msg_count = 0
for (stamp, mail, message) in logger.get_conversation(id_conversation,
msg_limit):
if mail in nick_cache:
if nick_cache[mail]['next'] is not None and \
nick_cache[mail]['next'] <= stamp:
nick = logger.get_user_nick(mail, stamp)
next = logger.get_next_nick_stamp(mail, stamp)
nick_cache[mail] = {'nick': nick, 'next' : next}
else:
nick = nick_cache[mail]['nick']
else:
nick = logger.get_user_nick(mail, stamp)
next = logger.get_next_nick_stamp(mail, stamp)
nick_cache[mail] = {'nick': nick, 'next' : next}
date = time.ctime(float(stamp))
formated_message = format_fun(date, nick, message)
out.write(formated_message)
out.write('\n')
msg_count += 1
return msg_count
if __name__ == '__main__':
if len(sys.argv) != 4:
print 'USAGE: %s /path/to/log_file.db contact_mail format' % \
(sys.argv[0],)
print 'format: [html|txt]'
export(sys.argv[1], sys.argv[2], sys.argv[3], sys.stdout)
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