FTP：文件上传下载 

 1 from ftplib import FTP
 2 
 3 
 4 class FtpManager(object):
 5     def __init__(self, host: str, username: str, password: str, port: int = 21):
 6         self.ftp = FTP()
 7         self.ftp.set_pasv(True)
 8         self.ftp.connect(host, port)
 9         self.ftp.login(username, password)
10 
11     def __enter__(self):
12         return self
13 
14     def __exit__(self, exc_type, exc_val, exc_tb):
15         self.ftp.close()
16 
17     def show_dir(self, path: str = '.'):
18         self.ftp.dir(path)
19 
20     def upload_file(self, remote_path: str, local_path: str):
21         with open(local_path, 'rb') as f:
22             self.ftp.storbinary('STOR ' + remote_path, f)
23             self.ftp.set_debuglevel(0)
24 
25     def download_file(self, remote_path, save_path):
26         with open(save_path, 'wb') as f:
27             self.ftp.retrbinary("RETR " + remote_path, f.write)
28             self.ftp.set_debuglevel(0)
29 
30     def read_file(self, remote_path: str):
31         binary_text = []
32         self.ftp.retrbinary("RETR " + remote_path, binary_text.append)
33         self.ftp.set_debuglevel(0)
34         text = ''
35         for line in binary_text:
36             if isinstance(line, bytes):
37                 line = line.decode()
38             text += line
39         return text
40 
41     def remove_file(self, filename: str):
42         self.ftp.delete(filename)

 

posted @ 2021-01-06 17:05  士为知己  阅读(174)  评论(0)    收藏  举报