mirror of
https://github.com/LC044/WeChatMsg
synced 2024-11-14 22:01:54 +08:00
79 lines
1.7 KiB
Python
79 lines
1.7 KiB
Python
import os.path
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import sqlite3
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import threading
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lock = threading.Lock()
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DB = None
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cursor = None
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db_path = "./app/Database/Msg/Misc.db"
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# db_path = './Msg/Misc.db'
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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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@singleton
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class Misc:
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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):
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if not self.open_flag:
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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_avatar_buffer(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 smallHeadBuf
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from ContactHeadImg1
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where usrName=?;
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'''
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if not self.open_flag:
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self.init_database()
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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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if result:
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return result[0][0]
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finally:
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lock.release()
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return None
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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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Misc()
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print(Misc().get_avatar_buffer('wxid_al2oan01b6fn11'))
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