94 lines
2.8 KiB
Python
94 lines
2.8 KiB
Python
#!/usr/bin/env python2
|
|
# -*- coding: UTF-8 -*-
|
|
# File: parser.py
|
|
# Date: Sat Dec 20 15:58:16 2014 +0800
|
|
# Author: Yuxin Wu <[email protected]>
|
|
|
|
import sqlite3
|
|
from collections import defaultdict
|
|
import itertools
|
|
import logging
|
|
logger = logging.getLogger(__name__)
|
|
|
|
from .msg import WeChatMsg
|
|
from .utils import ensure_unicode
|
|
|
|
""" tables in concern:
|
|
emojiinfo
|
|
imginfo2
|
|
addr_upload2
|
|
chatroom
|
|
message
|
|
rcontact
|
|
"""
|
|
|
|
class WeChatDBParser(object):
|
|
def __init__(self, db_fname):
|
|
""" db_fname: EnMicroMsg.db"""
|
|
self.db_fname = db_fname
|
|
self.db_conn = sqlite3.connect(self.db_fname)
|
|
self.cc = self.db_conn.cursor()
|
|
self.contacts = {}
|
|
self.msgs_by_talker = defaultdict(list)
|
|
self.parse()
|
|
|
|
def _parse_contact(self):
|
|
contacts = self.cc.execute(
|
|
"""
|
|
SELECT username,conRemark,nickname FROM rcontact
|
|
""")
|
|
for row in contacts:
|
|
username, remark, nickname = row
|
|
if remark:
|
|
self.contacts[username] = ensure_unicode(remark)
|
|
else:
|
|
self.contacts[username] = ensure_unicode(nickname)
|
|
|
|
logger.info("Found {} contacts.".format(len(self.contacts)))
|
|
|
|
def _parse_msg(self):
|
|
msgs_tot_cnt = 0
|
|
db_msgs = self.cc.execute(
|
|
"""
|
|
SELECT {} FROM message
|
|
""".format(','.join(WeChatMsg.FIELDS)))
|
|
for row in db_msgs:
|
|
msg = WeChatMsg(row)
|
|
if not WeChatMsg.filter_type(msg.type):
|
|
self.msgs_by_talker[msg.talker].append(msg)
|
|
self.msgs_by_talker = dict([
|
|
(self.contacts[k], sorted(v, key=lambda x: x.createTime))
|
|
for k, v in self.msgs_by_talker.iteritems()])
|
|
for k, v in self.msgs_by_talker.iteritems():
|
|
for msg in v:
|
|
msg.talker_name = ensure_unicode(k)
|
|
msgs_tot_cnt += len(v)
|
|
logger.info("Found {} message records.".format(msgs_tot_cnt))
|
|
|
|
def _parse_userinfo(self):
|
|
userinfo_q = self.cc.execute(""" SELECT id, value FROM userinfo """)
|
|
userinfo = dict(userinfo_q)
|
|
self.username = userinfo[2]
|
|
logger.info("Your username is: {}".format(self.username))
|
|
|
|
def _parse_imginfo(self):
|
|
imginfo_q = self.cc.execute("""SELECT msgSvrId, bigImgPath FROM ImgInfo2""")
|
|
self.imginfo = dict([(k, v) for (k, v) in imginfo_q
|
|
if not v.startswith('SERVERID://')])
|
|
logger.info("Found {} big images records.".format(len(self.imginfo)))
|
|
|
|
def _find_msg_by_type(self, msgs=None):
|
|
ret = []
|
|
if msgs is None:
|
|
msgs = itertools.chain.from_iterable(self.msgs_by_talker.itervalues())
|
|
for msg in msgs:
|
|
if msg.type == 34:
|
|
ret.append(msg)
|
|
return sorted(ret)
|
|
|
|
def parse(self):
|
|
self._parse_userinfo()
|
|
self._parse_contact()
|
|
self._parse_msg()
|
|
self._parse_imginfo()
|