python ftp sftp

ftp upload and download files

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34

from ftplib import FTP import time import os import shutil port = 21 DEF (Host, Port, username, password) : FTP = the FTP () ftp.set_debuglevel ( 2 ) ftp.connect (Host, Port) # connection ftp.login (username, password) # log, if the empty string anonymous login instead of to return the FTP DEF DownloadFile (FTP, remotePath, localPath) : the bufsize of = 1024 # cache block size setting FP = Open (localPath, 'WB' ) # write mode to open the file in the local ftp.retrbinary ( 'the RETR' + remotePath, fp.write, bufsize) on # receiving server file and write local files ftp.set_debuglevel ( 0 ) # turn off debugging fp.close () # close the file def uploadfile(ftp, remotepath, localpath): bufsize = 1024 fp = open(localpath, 'rb') ftp.storbinary('STOR ' + remotepath, fp, bufsize) # 上传文件 ftp.set_debuglevel(0) fp.close() if __name__ == '__main__': ftp = ftpconnect(host, port, username, password) print(ftp)

paramiko SFTP upload and download files

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78

Big Box   Python the FTP SFTP AN class = "Line"> Import paramiko Import os = hostname 'XXX' username = 'XXX' password = 'XXX' Port = 22 is # int upload_local_dir = 'XXX' download_local_dir = 'XXX' remote_dir = 'Inbox /' # note directory need to manually add / SFTP_DOWNLOAD_FLAG = False # used determining whether file is downloaded successfully def sftp_callback(transfered, total): global SFTP_DOWNLOAD_FLAG if transfered == total: SFTP_DOWNLOAD_FLAG = True def sftpconnect(host, port, username, password): try: sf = paramiko.Transport((host, port)) sf.connect(username=username, password=password) sftp = paramiko.SFTPClient.from_transport(sf) return sftp except Exception as e: print('connect exception: ', e) def sftp_upload(host, port, username, password, local, remote): sf = paramiko.Transport((host, port)) sf.connect(username=username, password=password) sftp = paramiko.SFTPClient.from_transport(sf) try: if os.path.isdir(local): for f in os.listdir(local): sftp.put(os.path.join(local, f), os.path.join(remote+f)) else: sftp.put(local, remote) except Exception as e: print('upload exception: ', e) finally: if sf is not None: sf.close() DEF sftp_download (Host, Port, username, password, local, Remote) : Global SFTP_DOWNLOAD_FLAG SF = paramiko.Transport ((Host, Port)) sf.connect (username = username, password = password) SFTP paramiko.SFTPClient.from_transport = ( SF) the try : # do not use the remote directory os.path.isdir (local) to determine whether the folder unless it has been determined # because inbox / parent directory may not have access to, determine the directory always returns False for f in SFTP. listdir (Remote): sftpAttributes = sftp.lstat (os.path.join (Remote + f)) fileSize = sftpAttributes.st_size IF fileSize: # only file is not empty, the function will be called sftp_callback sftp.get (os.path.join (Remote + f), os.path.join (local, f), sftp_callback) the else : # whether to download an empty file can not be successful with sftp_callback judge, so I do not download continue IF SFTP_DOWNLOAD_FLAG: # successful download, remove the remote directory files SFTP_DOWNLOAD_FLAG = False sftp.remove (os.path.join (Remote + f)) the else : # If the upload problem, remove local files have been uploaded os.remove (os .path.join (local, f)) except Exception as e: print('download exception: ', e) finally: if sf is not None: sf.close() IF the __name__ == '__main__' : # test connection SFTP = sftpconnect (Host, Port, username, password) Print (SFTP)