mirror of
https://github.com/LC044/WeChatMsg
synced 2024-11-15 14:24:12 +08:00
402 lines
13 KiB
Python
402 lines
13 KiB
Python
import os.path
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import random
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import html
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import sqlite3
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import threading
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import traceback
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from pprint import pprint
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import lz4.block
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import html
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import re
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from app.log import logger
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db_path = "./app/Database/Msg/MSG.db"
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lock = threading.Lock()
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def is_database_exist():
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return os.path.exists(db_path)
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def singleton(cls):
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_instance = {}
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def inner():
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if cls not in _instance:
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_instance[cls] = cls()
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return _instance[cls]
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return inner
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class MsgType:
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TEXT = 1
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IMAGE = 3
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EMOJI = 47
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class Msg:
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def __init__(self):
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self.DB = None
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self.cursor = None
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self.open_flag = False
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self.init_database()
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def init_database(self, path=None):
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global db_path
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if not self.open_flag:
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if path:
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db_path = path
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if os.path.exists(db_path):
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self.DB = sqlite3.connect(db_path, check_same_thread=False)
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# '''创建游标'''
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self.cursor = self.DB.cursor()
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self.open_flag = True
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if lock.locked():
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lock.release()
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def get_messages(self, username_):
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'''
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return list
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a[0]: localId,
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a[1]: talkerId, （和strtalker对应的，不是群聊信息发送人）
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a[2]: type,
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a[3]: subType,
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a[4]: is_sender,
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a[5]: timestamp,
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a[6]: status, （没啥用）
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a[7]: str_content,
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a[8]: str_time, （格式化的时间）
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a[9]: msgSvrId,
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a[10]: BytesExtra,
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a[11]: CompressContent,
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'''
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if not self.open_flag:
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return None
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sql = '''
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select localId,TalkerId,Type,SubType,IsSender,CreateTime,Status,StrContent,strftime('%Y-%m-%d %H:%M:%S',CreateTime,'unixepoch','localtime') as StrTime,MsgSvrID,BytesExtra,CompressContent
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from MSG
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where StrTalker=?
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order by CreateTime
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'''
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try:
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lock.acquire(True)
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self.cursor.execute(sql, [username_])
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result = self.cursor.fetchall()
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finally:
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lock.release()
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result.sort(key=lambda x: x[5])
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return result
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def get_messages_all(self):
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sql = '''
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select localId,TalkerId,Type,SubType,IsSender,CreateTime,Status,StrContent,strftime('%Y-%m-%d %H:%M:%S',CreateTime,'unixepoch','localtime') as StrTime,MsgSvrID,BytesExtra,StrTalker,Reserved1,CompressContent
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from MSG
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order by CreateTime
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'''
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if not self.open_flag:
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return None
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try:
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lock.acquire(True)
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self.cursor.execute(sql)
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result = self.cursor.fetchall()
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finally:
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lock.release()
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result.sort(key=lambda x: x[5])
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return result
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def get_messages_length(self):
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sql = '''
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select count(*)
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group by MsgSvrID
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from MSG
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'''
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if not self.open_flag:
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return None
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try:
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lock.acquire(True)
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self.cursor.execute(sql)
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result = self.cursor.fetchone()
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except Exception as e:
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result = None
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finally:
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lock.release()
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return result[0]
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def get_message_by_num(self, username_, local_id):
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sql = '''
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select localId,TalkerId,Type,SubType,IsSender,CreateTime,Status,StrContent,strftime('%Y-%m-%d %H:%M:%S',CreateTime,'unixepoch','localtime') as StrTime,MsgSvrID,BytesExtra,CompressContent
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from MSG
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where StrTalker = ? and localId < ?
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order by CreateTime desc
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limit 20
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'''
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result = None
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if not self.open_flag:
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return None
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try:
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lock.acquire(True)
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self.cursor.execute(sql, [username_, local_id])
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result = self.cursor.fetchall()
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except sqlite3.DatabaseError:
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logger.error(f'{traceback.format_exc()}\n数据库损坏请删除msg文件夹重试')
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finally:
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lock.release()
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# result.sort(key=lambda x: x[5])
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return result
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def get_messages_by_type(self, username_, type_, is_Annual_report_=False, year_='2023'):
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if not self.open_flag:
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return None
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if is_Annual_report_:
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sql = '''
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select localId,TalkerId,Type,SubType,IsSender,CreateTime,Status,StrContent,strftime('%Y-%m-%d %H:%M:%S',CreateTime,'unixepoch','localtime') as StrTime,MsgSvrID,BytesExtra,CompressContent
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from MSG
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where StrTalker=? and Type=? and strftime('%Y',CreateTime,'unixepoch','localtime') = ?
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order by CreateTime
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'''
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else:
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sql = '''
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select localId,TalkerId,Type,SubType,IsSender,CreateTime,Status,StrContent,strftime('%Y-%m-%d %H:%M:%S',CreateTime,'unixepoch','localtime') as StrTime,MsgSvrID,BytesExtra,CompressContent
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from MSG
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where StrTalker=? and Type=?
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order by CreateTime
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'''
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try:
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lock.acquire(True)
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if is_Annual_report_:
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self.cursor.execute(sql, [username_, type_, year_])
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else:
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self.cursor.execute(sql, [username_, type_])
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result = self.cursor.fetchall()
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finally:
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lock.release()
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return result
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def get_messages_by_keyword(self, username_, keyword, num=5, max_len=10):
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if not self.open_flag:
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return None
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sql = '''
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select localId,TalkerId,Type,SubType,IsSender,CreateTime,Status,StrContent,strftime('%Y-%m-%d %H:%M:%S',CreateTime,'unixepoch','localtime') as StrTime,MsgSvrID,BytesExtra
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from MSG
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where StrTalker=? and Type=1 and LENGTH(StrContent)<? and StrContent like ?
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order by CreateTime desc
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'''
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temp = []
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try:
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lock.acquire(True)
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self.cursor.execute(sql, [username_, max_len, f'%{keyword}%'])
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messages = self.cursor.fetchall()
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finally:
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lock.release()
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if len(messages) > 5:
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messages = random.sample(messages, num)
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try:
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lock.acquire(True)
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for msg in messages:
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local_id = msg[0]
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is_send = msg[4]
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sql = '''
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select localId,TalkerId,Type,SubType,IsSender,CreateTime,Status,StrContent,strftime('%Y-%m-%d %H:%M:%S',CreateTime,'unixepoch','localtime') as StrTime,MsgSvrID
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from MSG
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where localId > ? and StrTalker=? and Type=1 and IsSender=?
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limit 1
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'''
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self.cursor.execute(sql, [local_id, username_, 1 - is_send])
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temp.append((msg, self.cursor.fetchone()))
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finally:
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lock.release()
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res = []
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for dialog in temp:
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msg1 = dialog[0]
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msg2 = dialog[1]
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try:
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res.append((
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(msg1[4], msg1[5], msg1[7].split(keyword), msg1[8]),
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(msg2[4], msg2[5], msg2[7], msg2[8])
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))
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except TypeError:
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res.append((
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('', '', ['', ''], ''),
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('', '', '', '')
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))
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return res
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def get_contact(self, contacts):
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if not self.open_flag:
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return None
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try:
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lock.acquire(True)
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sql = '''select StrTalker, MAX(CreateTime) from MSG group by StrTalker'''
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self.cursor.execute(sql)
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res = self.cursor.fetchall()
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finally:
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lock.release()
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res = {StrTalker: CreateTime for StrTalker, CreateTime in res}
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contacts = [list(cur_contact) for cur_contact in contacts]
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for i, cur_contact in enumerate(contacts):
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if cur_contact[0] in res:
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contacts[i].append(res[cur_contact[0]])
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else:
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contacts[i].append(0)
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contacts.sort(key=lambda cur_contact: cur_contact[-1], reverse=True)
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return contacts
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def get_messages_by_days(self, username_, is_Annual_report_=False, year_='2023'):
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if is_Annual_report_:
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sql = '''
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SELECT strftime('%Y-%m-%d',CreateTime,'unixepoch','localtime') as days,count(MsgSvrID)
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from (
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SELECT MsgSvrID, CreateTime
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FROM MSG
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WHERE StrTalker = ? AND strftime('%Y', CreateTime, 'unixepoch', 'localtime') = ?
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)
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group by days
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'''
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else:
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sql = '''
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SELECT strftime('%Y-%m-%d',CreateTime,'unixepoch','localtime') as days,count(MsgSvrID)
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from (
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SELECT MsgSvrID, CreateTime
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FROM MSG
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WHERE StrTalker = ?
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)
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group by days
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'''
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result = None
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if not self.open_flag:
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return None
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try:
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lock.acquire(True)
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if is_Annual_report_:
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self.cursor.execute(sql, [username_, year_])
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else:
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self.cursor.execute(sql, [username_])
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result = self.cursor.fetchall()
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finally:
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lock.release()
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return result
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def get_messages_by_month(self, username_, is_Annual_report_=False, year_='2023'):
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if is_Annual_report_:
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sql = '''
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SELECT strftime('%Y-%m',CreateTime,'unixepoch','localtime') as days,count(MsgSvrID)
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from (
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SELECT MsgSvrID, CreateTime
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FROM MSG
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WHERE StrTalker = ? AND strftime('%Y', CreateTime, 'unixepoch', 'localtime') = ?
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)
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group by days
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'''
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else:
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sql = '''
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SELECT strftime('%Y-%m',CreateTime,'unixepoch','localtime') as days,count(MsgSvrID)
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from (
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SELECT MsgSvrID, CreateTime
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FROM MSG
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WHERE StrTalker = ?
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)
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group by days
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'''
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result = None
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if not self.open_flag:
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return None
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try:
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lock.acquire(True)
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if is_Annual_report_:
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self.cursor.execute(sql, [username_, year_])
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else:
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self.cursor.execute(sql, [username_])
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result = self.cursor.fetchall()
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except sqlite3.DatabaseError:
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logger.error(f'{traceback.format_exc()}\n数据库损坏请删除msg文件夹重试')
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finally:
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lock.release()
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# result.sort(key=lambda x: x[5])
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return result
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def get_messages_by_hour(self, username_, is_Annual_report_=False, year_='2023'):
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if is_Annual_report_:
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sql = '''
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SELECT strftime('%H:00',CreateTime,'unixepoch','localtime') as hours,count(MsgSvrID)
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from (
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SELECT MsgSvrID, CreateTime
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FROM MSG
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where StrTalker = ? and strftime('%Y',CreateTime,'unixepoch','localtime') = ?
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)
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group by hours
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'''
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else:
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sql = '''
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SELECT strftime('%H:00',CreateTime,'unixepoch','localtime') as hours,count(MsgSvrID)
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from (
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SELECT MsgSvrID, CreateTime
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FROM MSG
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where StrTalker = ?
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)
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group by hours
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'''
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result = None
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if not self.open_flag:
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return None
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try:
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lock.acquire(True)
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if is_Annual_report_:
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self.cursor.execute(sql, [username_, year_])
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else:
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self.cursor.execute(sql, [username_])
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result = self.cursor.fetchall()
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except sqlite3.DatabaseError:
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logger.error(f'{traceback.format_exc()}\n数据库损坏请删除msg文件夹重试')
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finally:
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lock.release()
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# result.sort(key=lambda x: x[5])
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return result
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def get_first_time_of_message(self, username_):
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if not self.open_flag:
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return None
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sql = '''
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select StrContent,strftime('%Y-%m-%d %H:%M:%S',CreateTime,'unixepoch','localtime') as StrTime
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from MSG
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where StrTalker=?
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order by CreateTime
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limit 1
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'''
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try:
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lock.acquire(True)
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self.cursor.execute(sql, [username_])
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result = self.cursor.fetchone()
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finally:
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lock.release()
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return result
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def close(self):
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if self.open_flag:
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try:
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lock.acquire(True)
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self.open_flag = False
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self.DB.close()
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finally:
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lock.release()
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def __del__(self):
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self.close()
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if __name__ == '__main__':
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db_path = "./Msg/MSG.db"
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msg = Msg()
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msg.init_database()
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result = msg.get_message_by_num('wxid_vtz9jk9ulzjt22', 9999999)
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print(result)
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result = msg.get_messages_by_type('wxid_vtz9jk9ulzjt22', 49)
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for r in result:
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type_ = r[2]
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sub_type = r[3]
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if type_ == 49 and sub_type == 57:
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print(r)
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print(r[-1])
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break
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