Python實現ftp常用操作[ftplib]

wklken發表於2015-11-25

PythonFTP

使用到的模組 ftplib

程式碼託管位置 github-pytools

需求

快速進行ftp上傳，下載，查詢檔案

原來直接在shell下操作：需要【連線，輸使用者名稱，輸密碼，單檔案操作，存在超時限制】

太過於繁瑣，容易操作失敗

改進

一句命令，搞定多檔案上傳，下載，查詢，列表等操作

後期可以加入更強大的功能

原始碼

#!/usr/bin/python
# -*- coding:utf-8 -*-
#ftp.py
#    wklken@yeah.net
#this script is used to do some operations more convenient via ftp
  #1.[p]upload many files in the same time,show md5s
  #2.[g]download many files in the same time,show md5s
  #3.[l]list all the files on ftp site
  #4.[f]search a file on ftp site,return True or Flase
  #5.[h]show help info

#add upload and download operations  20111210 version0.1
#add md5sum after ops 20120308 version0.2

import sys,os,ftplib,socket

CONST_HOST = "ip"
CONST_USERNAME = "username"
CONST_PWD = "pwd"
CONST_BUFFER_SIZE = 8192

COLOR_NONE = "33[m"
COLOR_GREEN = "33[01;32m"
COLOR_RED = "33[01;31m"
COLOR_YELLOW = "33[01;33m"

def connect():
    try:
        ftp = ftplib.FTP(CONST_HOST)
        ftp.login(CONST_USERNAME,CONST_PWD)
        return ftp
    except socket.error,socket.gaierror:
        print("FTP is unavailable,please check the host,username and password!")
        sys.exit(0)

def disconnect(ftp):
    ftp.quit()

def upload(ftp, filepath):
    f = open(filepath, "rb")
    file_name = os.path.split(filepath)[-1]
    try:
        ftp.storbinary('STOR %s'%file_name, f, CONST_BUFFER_SIZE)
    except ftplib.error_perm:
        return False
    return True

def download(ftp, filename):
    f = open(filename,"wb").write
    try:
        ftp.retrbinary("RETR %s"%filename, f, CONST_BUFFER_SIZE)
    except ftplib.error_perm:
        return False
    return True

def list(ftp):
    ftp.dir()

def find(ftp,filename):
    ftp_f_list = ftp.nlst()
    if filename in ftp_f_list:
        return True
    else:
        return False

def help():
    print("help info:")
    print("[./ftp.py l]t show the file list of the ftp site ")
    print("[./ftp.py f filenamA filenameB]t check if the file is in the ftp site")
    print("[./ftp.py p filenameA filenameB]t upload file into ftp site")
    print("[./ftp.py g filenameA filenameB]t get file from ftp site")
    print("[./ftp.py h]t show help info")
    print("other params are invalid")

def main():
    args = sys.argv[1:]
    if len(args) == 0:
        print("Params needed!")
        sys.exit(0)

ftp = connect()

success_list = []
    failed_list = []

if args[0] == "p":
        f_list = args[1:]

for up_file in f_list:
        if not os.path.exists(up_file):
            print(("UPLOAD: %s "+COLOR_RED+"FAILED"+COLOR_NONE+"  :file not exist")%up_file)
            continue
        elif not os.path.isfile(up_file):
            print(("UPLOAD: %s "+COLOR_RED+"FAILED"+COLOR_NONE+"  :%s is not a file")%(up_file,up_file))
            continue

if upload(ftp, up_file):
            success_list.append(up_file)
        else:
            failed_list.append(up_file)
        if len(success_list) > 0 :
        print((COLOR_GREEN + "UPLOAD SUCCESS: %s" + COLOR_NONE)%(" ".join(success_list)))
        print("md5sum:")
        for f in success_list:
            print( os.popen("md5sum " + f).read()[:-1])
        if len(failed_list) > 0:
        print((COLOR_RED + "UPLOAD FAILED: %s" + COLOR_NONE)%(" ".join(failed_list)))

elif args[0] == "g":
        f_list = args[1:]

for down_file in f_list:
        if not find(ftp,down_file):
            print(("DOWNLOAD: %s "+COLOR_RED+"FAILED"+COLOR_NONE+"  :%s is not in the ftp site")%(down_file,down_file))
            continue

if download(ftp, down_file):
            success_list.append(down_file)
        else:
            failed_list.append(down_file)
        if len(success_list) > 0 :
        print((COLOR_GREEN + "DOWNLOAD SUCCESS: %s" + COLOR_NONE)%(" ".join(success_list)))
        print("md5sum:")
        for f in success_list:
            print( os.popen("md5sum " + f).read()[:-1])
        if len(failed_list) > 0:
        print((COLOR_RED + "DOWNLOAD FAILED: %s" + COLOR_NONE)%(" ".join(failed_list)))

elif args[0] == "l":
        list(ftp)
    elif args[0] == "f":
        f_list = args[1:]
        for f_file in f_list:
        if find(ftp,f_file):
            print(("SEARCH: %s "+COLOR_GREEN+"EXIST"+COLOR_NONE)%f_file)
        else:
            print(("SEARCH: %s "+COLOR_RED+"NOT EXIST"+COLOR_NONE)%f_file)
            if len(f_file) > 3:
            print("Similar File List:")
            s = ftp.nlst()
            print  ", ".join([k for k in s if f_file in k])

elif args[0] == "h":
        help()
    else:
        print("args are invalid!")
        help()

disconnect(ftp)

if __name__ == "__main__":
  main()

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#!/usr/bin/python

# -*- coding:utf-8 -*-

#ftp.py

# wklken@yeah.net

#this script is used to do some operations more convenient via ftp

#1.[p]upload many files in the same time,show md5s

#2.[g]download many files in the same time,show md5s

#3.[l]list all the files on ftp site

#4.[f]search a file on ftp site,return True or Flase

#5.[h]show help info

#add upload and download operations 20111210 version0.1

#add md5sum after ops 20120308 version0.2

import sys,os,ftplib,socket

CONST_HOST = "ip"

CONST_USERNAME = "username"

CONST_PWD = "pwd"

CONST_BUFFER_SIZE = 8192

COLOR_NONE = "33[m"

COLOR_GREEN = "33[01;32m"

COLOR_RED = "33[01;31m"

COLOR_YELLOW = "33[01;33m"

def connect():

try:

ftp = ftplib.FTP(CONST_HOST)

ftp.login(CONST_USERNAME,CONST_PWD)

return ftp

except socket.error,socket.gaierror:

print("FTP is unavailable,please check the host,username and password!")

sys.exit(0)

def disconnect(ftp):

ftp.quit()

def upload(ftp, filepath):

f = open(filepath, "rb")

file_name = os.path.split(filepath)[-1]

try:

ftp.storbinary('STOR %s'%file_name, f, CONST_BUFFER_SIZE)

except ftplib.error_perm:

return False

return True

def download(ftp, filename):

f = open(filename,"wb").write

try:

ftp.retrbinary("RETR %s"%filename, f, CONST_BUFFER_SIZE)

except ftplib.error_perm:

return False

return True

def list(ftp):

ftp.dir()

def find(ftp,filename):

ftp_f_list = ftp.nlst()

if filename in ftp_f_list:

return True

else:

return False

def help():

print("help info:")

print("[./ftp.py l]t show the file list of the ftp site ")

print("[./ftp.py f filenamA filenameB]t check if the file is in the ftp site")

print("[./ftp.py p filenameA filenameB]t upload file into ftp site")

print("[./ftp.py g filenameA filenameB]t get file from ftp site")

print("[./ftp.py h]t show help info")

print("other params are invalid")

def main():

args = sys.argv[1:]

if len(args) == 0:

print("Params needed!")

sys.exit(0)

ftp = connect()

success_list = []

failed_list = []

if args[0] == "p":

f_list = args[1:]

for up_file in f_list:

if not os.path.exists(up_file):

print(("UPLOAD: %s "+COLOR_RED+"FAILED"+COLOR_NONE+" :file not exist")%up_file)

continue

elif not os.path.isfile(up_file):

print(("UPLOAD: %s "+COLOR_RED+"FAILED"+COLOR_NONE+" :%s is not a file")%(up_file,up_file))

continue

if upload(ftp, up_file):

success_list.append(up_file)

else:

failed_list.append(up_file)

if len(success_list) > 0 :

print((COLOR_GREEN + "UPLOAD SUCCESS: %s" + COLOR_NONE)%(" ".join(success_list)))

print("md5sum:")

for f in success_list:

print( os.popen("md5sum " + f).read()[:-1])

if len(failed_list) > 0:

print((COLOR_RED + "UPLOAD FAILED: %s" + COLOR_NONE)%(" ".join(failed_list)))

elif args[0] == "g":

f_list = args[1:]

for down_file in f_list:

if not find(ftp,down_file):

print(("DOWNLOAD: %s "+COLOR_RED+"FAILED"+COLOR_NONE+" :%s is not in the ftp site")%(down_file,down_file))

continue

if download(ftp, down_file):

success_list.append(down_file)

else:

failed_list.append(down_file)

if len(success_list) > 0 :

print((COLOR_GREEN + "DOWNLOAD SUCCESS: %s" + COLOR_NONE)%(" ".join(success_list)))

print("md5sum:")

for f in success_list:

print( os.popen("md5sum " + f).read()[:-1])

if len(failed_list) > 0:

print((COLOR_RED + "DOWNLOAD FAILED: %s" + COLOR_NONE)%(" ".join(failed_list)))

elif args[0] == "l":

list(ftp)

elif args[0] == "f":

f_list = args[1:]

for f_file in f_list:

if find(ftp,f_file):

print(("SEARCH: %s "+COLOR_GREEN+"EXIST"+COLOR_NONE)%f_file)

else:

print(("SEARCH: %s "+COLOR_RED+"NOT EXIST"+COLOR_NONE)%f_file)

if len(f_file) > 3:

print("Similar File List:")

s = ftp.nlst()

print ", ".join([k for k in s if f_file in k])

elif args[0] == "h":

help()

else:

print("args are invalid!")

help()

disconnect(ftp)

if __name__ == "__main__":

main()

常用函式

用手冊檢視，以下只是簡略，因為沒用用到，[待整理]：

pwd() 當前工作目錄

cwd(path) 把當前工作目錄設定為path

dir([path[,...[,cb]]) 顯示path 目錄裡的內容，可選的引數cb 是一個回撥函式，會被傳給retrlines()方法

nlst([path[,...]) 與dir()類似，但返回一個檔名的列表，而不是顯示這些檔名

retrlines(cmd [, cb]) 給定FTP 命令（如“RETR filename”），用於下載文字檔案。可選的回撥函式cb 用於處理檔案的每一行

retrbinary(cmd, cb[,bs=8192[, ra]]) 與retrlines()類似，只是這個指令處理二進位制檔案。回撥函式cb 用於處理每一塊（塊大小預設為8K）下載的資料。

storlines(cmd, f) 給定FTP 命令（如“STOR filename”），以上傳文字檔案。要給定一個檔案物件f

storbinary(cmd, f[,bs=8192]) 與storlines()類似，只是這個指令處理二進位制檔案。要給定一個檔案物件f，上傳塊大小bs 預設為8Kbs=8192])

rename(old, new) 把遠端檔案old 改名為new

delete(path) 刪除位於path 的遠端檔案

mkd(directory) 建立遠端目錄

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需求

改進

原始碼

常用函式

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