ftp上傳文件封裝
阿新 • • 發佈：2018-09-06
特殊字符 日誌 con dst share open xe8 \n 封裝
業務需求，頻繁傳遞圖片到對方ftp服務器，用此代碼可流式上傳文件。
上傳代碼
1 # coding:utf-8 2 import ftplib 3 import logging 4 import traceback 5 6 def ftpLogin(): 7 lasterr = None 8 for i in range(3): 9 try: 10 ftp = ftplib.FTP() 11 ftp.connect( 12 host=‘xx.xx.xx.xx‘,13 port=21, 14 timeout=3 15 ) 16 ftp.login( 17 user=‘xxx‘, 18 passwd=‘xxx‘ 19 ) 20 return ftp 21 except Exception: 22 lasterr = traceback.format_exc() 23 print ‘error except when ftp connect, err: %s‘ % lasterr) 24 return None 25 26 def ftpCwd(ftp=None, path=‘/‘): 27 try: 28 ftp.cwd(path) 29 return True 30 except Exception: 31 try: 32 ftp.mkd(path) 33 ftp.cwd(path) 34 return True 35 except ftplib.error_perm: 36 print‘error except when ftp cwd, err: %s‘ % traceback.format_exc() 37 return False 38 39 def ftpUpfile(ftp=None, srcpath=None, dstfile=None): 40 bufsize = 1024 41 try: 42 with open(srcpath, ‘rb‘) as fp: 43 cmd = ‘STOR ‘ + dstfile 44 ftp.storbinary(cmd, fp, bufsize) 45 ftp.close() 46 return True 47 except Exception: 48 print ‘error except when ftp put file,err: %s‘ % traceback.format_exc() 49 return False 50 51 if __name__ == ‘__main__‘: 52 file = ‘a.txt‘ 53 ftp = ftpLogin() 54 ftp.set_debuglevel(2) 55 ftp.set_pasv(0) 56 if ftp is not None: 57 cwd = ftpCwd(ftp=ftp, path=‘aa‘) 58 if cwd: 59 ret = ftpUpfile(ftp=ftp, srcpath=file, dstfile=file) 60 if ret: 61 logging.info(‘put file success‘) 62 ftp.close()
ftp debug內容：
*cmd* ‘CWD aa‘ *put* ‘CWD aa\r\n‘ *get* ‘250 Directory successfully changed.\r\n‘ *resp* ‘250 Directory successfully changed.‘ *cmd* ‘TYPE I‘ *put* ‘TYPE I\r\n‘ *get* ‘200 Switching to Binary mode.\r\n‘ *resp* ‘200 Switching to Binary mode.‘ *cmd* ‘PORT 10,10,4,48,237,115‘ *put* ‘PORT 10,10,4,48,237,115\r\n‘ *get* ‘200 PORT command successful. Consider using PASV.\r\n‘ *resp* ‘200 PORT command successful. Consider using PASV.‘ *cmd* ‘STOR 1535340773614_\xe4\xb8\xb9\xe4\xb8\x9c_ _0_0_\xe6\x89\x93\xe7\x94\xb5\xe8\xaf\x9d_02_\xe9\x84\x82AW0613_1_SM_000006_1_1_ _ .jpg‘ *put* ‘STOR 1535340773614_\xe4\xb8\xb9\xe4\xb8\x9c_ _0_0_\xe6\x89\x93\xe7\x94\xb5\xe8\xaf\x9d_02_\xe9\x84\x82AW0613_1_SM_000006_1_1_ _ .jpg\r\n‘ *get* ‘150 Ok to send data.\r\n‘ *resp* ‘150 Ok to send data.‘ *get* ‘226 Transfer complete.\r\n‘ *resp* ‘226 Transfer complete.‘
但是出現了一個很奇怪的現象：
中文目錄上傳帶特殊字符的中文圖片，代碼報錯但圖片卻上傳了ftp服務器，很詭異。
# python 日誌 2018-09-06 17:49:05,794 pushProcess.py[line:76] ERROR error except when ftp put file,err: Traceback (most recent call last): File "/home/seemmo/tongliao_push/seemmo/business/pushProcess.py", line 72, in ftpUpfile ftp.storbinary(cmd, fp, bufsize) File "/home/seemmo/share/python/python-2.6/Lib/ftplib.py", line 452, in storbinary conn = self.transfercmd(cmd) File "/home/seemmo/share/python/python-2.6/Lib/ftplib.py", line 360, in transfercmd return self.ntransfercmd(cmd, rest)[0] File "/home/seemmo/share/python/python-2.6/Lib/ftplib.py", line 344, in ntransfercmd resp = self.sendcmd(cmd) File "/home/seemmo/share/python/python-2.6/Lib/ftplib.py", line 243, in sendcmd return self.getresp() File "/home/seemmo/share/python/python-2.6/Lib/ftplib.py", line 218, in getresp raise error_perm, resp error_perm: 550 1536225485000_?¤§?1?é??é€?623KM+600M ?”±?????‘è￥?_ _0_0_??a?3???‰?…¨??|_02_è??ALN838_1_SM_000006_1_2_ _ .jpg: Cannot create file. # ftp debug *cmd* ‘CWD \xe6\x89\x93\xe7\x94\xb5\xe8\xaf\x9d‘ *put* ‘CWD \xe6\x89\x93\xe7\x94\xb5\xe8\xaf\x9d\r\n‘ *get* ‘250 Directory changed to /\xe6\x89\x93\xe7\x94\xb5\xe8\xaf\x9d\\\r\n‘ *resp* ‘250 Directory changed to /\xe6\x89\x93\xe7\x94\xb5\xe8\xaf\x9d\\‘ *cmd* ‘TYPE I‘ *put* ‘TYPE I\r\n‘ *get* ‘200 Type set to I.\r\n‘ *resp* ‘200 Type set to I.‘ *cmd* ‘PORT 10,102,167,241,161,167‘ *put* ‘PORT 10,102,167,241,161,167\r\n‘ *get* ‘200 PORT Command successful.\r\n‘ *resp* ‘200 PORT Command successful.‘ *cmd* ‘STOR 1536225052000_G45\xe9\xab\x98\xe9\x80\x9f479KM 100M\xe7\x94\xb1\xe4\xb8\x9c\xe5\x90\x91\xe8\xa5\xbf_ _0_0_\xe6\x89\x93\xe7\x94\xb5\xe8\xaf\x9d_02_\xe8\xbe\xbdA382KU_1_SM_000006_1_1_ _ .jpg‘ *put* ‘STOR 1536225052000_G45\xe9\xab\x98\xe9\x80\x9f479KM 100M\xe7\x94\xb1\xe4\xb8\x9c\xe5\x90\x91\xe8\xa5\xbf_ _0_0_\xe6\x89\x93\xe7\x94\xb5\xe8\xaf\x9d_02_\xe8\xbe\xbdA382KU_1_SM_000006_1_1_ _ .jpg\r\n‘ *get* ‘550 1536225052000_G45\xe9\xab\x98\xe9\x80\x9f479KM 100M\xe7\x94\xb1\xe4\xb8\x9c\xe5\x90\x91\xe8\xa5\xbf_ _0_0_\xe6\x89\x93\xe7\x94\xb5\xe8\xaf\x9d_02_\xe8\xbe\xbdA382KU_1_SM_000006_1_1_ _ .jpg: Cannot create file.\r\n‘ *resp* ‘550 1536225052000_G45\xe9\xab\x98\xe9\x80\x9f479KM 100M\xe7\x94\xb1\xe4\xb8\x9c\xe5\x90\x91\xe8\xa5\xbf_ _0_0_\xe6\x89\x93\xe7\x94\xb5\xe8\xaf\x9d_02_\xe8\xbe\xbdA382KU_1_SM_000006_1_1_ _ .jpg: Cannot create file.‘
ftp上傳文件封裝