php python ftp操作类
-
class Ftp {
- //FTP 连接资源
- private $link;
- //FTP连接时间
- public $link_time;
- //错误代码
- private $err_code = 0;
- //传送模式{文本模式:FTP_ASCII, 二进制模式:FTP_BINARY}
- public $mode = FTP_BINARY;
- /**
- 初始化类
- **/
- public function start($data)
- {
- if(empty($data['port'])) $data['port'] ='21';
- if(empty($data['pasv'])) $data['pasv'] =false;
- if(empty($data['ssl'])) $data['ssl'] = false;
- if(empty($data['timeout'])) $data['timeout'] = 30;
- return $this->connect($data['server'],$data['username'],$data['password'],$data['port'],$data['pasv'],$data['ssl'],$data['timeout']);
- }
- /**
- * 连接FTP服务器
- * @param string $host 服务器地址
- * @param string $username 用户名
- * @param string $password 密码
- * @param integer $port 服务器端口,默认值为21
- * @param boolean $pasv 是否开启被动模式
- * @param boolean $ssl 是否使用SSL连接
- * @param integer $timeout 超时时间
- */
- public function connect($host, $username = '', $password = '', $port = '21', $pasv = false, $ssl = false, $timeout = 30) {
- $start = time();
- if ($ssl) {
- if (!$this->link = @ftp_ssl_connect($host, $port, $timeout)) {
- $this->err_code = 1;
- return false;
- }
- } else {
- if (!$this->link = @ftp_connect($host, $port, $timeout)) {
- $this->err_code = 1;
- return false;
- }
- }
- if (@ftp_login($this->link, $username, $password)) {
- if ($pasv)
- ftp_pasv($this->link, true);
- $this->link_time = time() - $start;
- return true;
- } else {
- $this->err_code = 1;
- return false;
- }
- register_shutdown_function(array(&$this, 'close'));
- }
- /**
- * 创建文件夹
- * @param string $dirname 目录名,
- */
- public function mkdir($dirname) {
- if (!$this->link) {
- $this->err_code = 2;
- return false;
- }
- $dirname = $this->ck_dirname($dirname);
- $nowdir = '/';
- foreach ($dirname as $v) {
- if ($v && !$this->chdir($nowdir . $v)) {
- if ($nowdir)
- $this->chdir($nowdir);
- @ftp_mkdir($this->link, $v);
- }
- if ($v)
- $nowdir .= $v . '/';
- }
- return true;
- }
- /**
- * 上传文件
- * @param string $remote 远程存放地址
- * @param string $local 本地存放地址
- */
- public function put($remote, $local) {
- if (!$this->link) {
- $this->err_code = 2;
- return false;
- }
- $dirname = pathinfo($remote, PATHINFO_DIRNAME);
- if (!$this->chdir($dirname)) {
- $this->mkdir($dirname);
- }
- if (@ftp_put($this->link, $remote, $local, $this->mode)) {
- return true;
- } else {
- $this->err_code = 7;
- return false;
- }
- }
- /**
- * 删除文件夹
- * @param string $dirname 目录地址
- * @param boolean $enforce 强制删除
- */
- public function rmdir($dirname, $enforce = false) {
- if (!$this->link) {
- $this->err_code = 2;
- return false;
- }
- $list = $this->nlist($dirname);
- if ($list && $enforce) {
- $this->chdir($dirname);
- foreach ($list as $v) {
- $this->f_delete($v);
- }
- } elseif ($list && !$enforce) {
- $this->err_code = 3;
- return false;
- }
- @ftp_rmdir($this->link, $dirname);
- return true;
- }
- /**
- * 删除指定文件
- * @param string $filename 文件名
- */
- public function delete($filename) {
- if (!$this->link) {
- $this->err_code = 2;
- return false;
- }
- if (@ftp_delete($this->link, $filename)) {
- return true;
- } else {
- $this->err_code = 4;
- return false;
- }
- }
- /**
- * 返回给定目录的文件列表
- * @param string $dirname 目录地址
- * @return array 文件列表数据
- */
- public function nlist($dirname) {
- if (!$this->link) {
- $this->err_code = 2;
- return false;
- }
- if ($list = @ftp_nlist($this->link, $dirname)) {
- return $list;
- } else {
- $this->err_code = 5;
- return false;
- }
- }
- /**
- * 在 FTP 服务器上改变当前目录
- * @param string $dirname 修改服务器上当前目录
- */
- public function chdir($dirname) {
- if (!$this->link) {
- $this->err_code = 2;
- return false;
- }
- if (@ftp_chdir($this->link, $dirname)) {
- return true;
- } else {
- $this->err_code = 6;
- return false;
- }
- }
- /**
- * 获取错误信息
- */
- public function get_error() {
- if (!$this->err_code)
- return false;
- $err_msg = array(
- '1' => 'Server can not connect',
- '2' => 'Not connect to server',
- '3' => 'Can not delete non-empty folder',
- '4' => 'Can not delete file',
- '5' => 'Can not get file list',
- '6' => 'Can not change the current directory on the server',
- '7' => 'Can not upload files'
- );
- return $err_msg[$this->err_code];
- }
- /**
- * 检测目录名
- * @param string $url 目录
- * @return 由 / 分开的返回数组
- */
- private function ck_dirname($url) {
- $url = str_replace('', '/', $url);
- $urls = explode('/', $url);
- return $urls;
- }
- /**
- * 关闭FTP连接
- */
- public function close() {
- return @ftp_close($this->link);
- }
- }
复制代码
- #!/usr/bin/python
- #coding=gbk
- '''
- ftp自动下载、自动上传脚本,可以递归目录操作
- '''
- from ftplib import FTP
- import os,sys,string,datetime,time
- import socket
- class MYFTP:
- def __init__(self, hostaddr, username, password, remotedir, port=21):
- self.hostaddr = hostaddr
- self.username = username
- self.password = password
- self.remotedir = remotedir
- self.port = port
- self.ftp = FTP()
- self.file_list = []
- # self.ftp.set_debuglevel(2)
- def __del__(self):
- self.ftp.close()
- # self.ftp.set_debuglevel(0)
- def login(self):
- ftp = self.ftp
- try:
- timeout = 60
- socket.setdefaulttimeout(timeout)
- ftp.set_pasv(True)
- print '开始连接到 %s' %(self.hostaddr)
- ftp.connect(self.hostaddr, self.port)
- print '成功连接到 %s' %(self.hostaddr)
- print '开始登录到 %s' %(self.hostaddr)
- ftp.login(self.username, self.password)
- print '成功登录到 %s' %(self.hostaddr)
- debug_print(ftp.getwelcome())
- except Exception:
- deal_error("连接或登录失败")
- try:
- ftp.cwd(self.remotedir)
- except(Exception):
- deal_error('切换目录失败')
- def is_same_size(self, localfile, remotefile):
- try:
- remotefile_size = self.ftp.size(remotefile)
- except:
- remotefile_size = -1
- try:
- localfile_size = os.path.getsize(localfile)
- except:
- localfile_size = -1
- debug_print('lo:%d re:%d' %(localfile_size, remotefile_size),)
- if remotefile_size == localfile_size:
- return 1
- else:
- return 0
- def download_file(self, localfile, remotefile):
- if self.is_same_size(localfile, remotefile):
- debug_print('%s 文件大小相同,无需下载' %localfile)
- return
- else:
- debug_print('>>>>>>>>>>>>下载文件 %s ... ...' %localfile)
- #return
- file_handler = open(localfile, 'wb')
- self.ftp.retrbinary('RETR %s'%(remotefile), file_handler.write)
- file_handler.close()
- def download_files(self, localdir='./', remotedir='./'):
- try:
- self.ftp.cwd(remotedir)
- except:
- debug_print('目录%s不存在,继续...' %remotedir)
- return
- if not os.path.isdir(localdir):
- os.makedirs(localdir)
- debug_print('切换至目录 %s' %self.ftp.pwd())
- self.file_list = []
- self.ftp.dir(self.get_file_list)
- remotenames = self.file_list
- #print(remotenames)
- #return
- for item in remotenames:
- filetype = item[0]
- filename = item[1]
- local = os.path.join(localdir, filename)
- if filetype == 'd':
- self.download_files(local, filename)
- elif filetype == '-':
- self.download_file(local, filename)
- self.ftp.cwd('..')
- debug_print('返回上层目录 %s' %self.ftp.pwd())
- def upload_file(self, localfile, remotefile):
- if not os.path.isfile(localfile):
- return
- if self.is_same_size(localfile, remotefile):
- debug_print('跳过[相等]: %s' %localfile)
- return
- file_handler = open(localfile, 'rb')
- self.ftp.storbinary('STOR %s' %remotefile, file_handler)
- file_handler.close()
- debug_print('已传送: %s' %localfile)
- def upload_files(self, localdir='./', remotedir = './'):
- if not os.path.isdir(localdir):
- return
- localnames = os.listdir(localdir)
- self.ftp.cwd(remotedir)
- for item in localnames:
- src = os.path.join(localdir, item)
- if os.path.isdir(src):
- try:
- self.ftp.mkd(item)
- except:
- debug_print('目录已存在 %s' %item)
- self.upload_files(src, item)
- else:
- self.upload_file(src, item)
- self.ftp.cwd('..')
- def get_file_list(self, line):
- ret_arr = []
- file_arr = self.get_filename(line)
- if file_arr[1] not in ['.', '..']:
- self.file_list.append(file_arr)
- def get_filename(self, line):
- pos = line.rfind(':')
- while(line[pos] != ' '):
- pos += 1
- while(line[pos] == ' '):
- pos += 1
- file_arr = [line[0], line[pos:]]
- return file_arr
- def debug_print(s):
- print (s)
- def deal_error(e):
- timenow = time.localtime()
- datenow = time.strftime('%Y-%m-%d', timenow)
- logstr = '%s 发生错误: %s' %(datenow, e)
- debug_print(logstr)
- file.write(logstr)
- sys.exit()
- if __name__ == '__main__':
- file = open("log.txt", "a")
- timenow = time.localtime()
- datenow = time.strftime('%Y-%m-%d', timenow)
- logstr = datenow
- # 配置如下变量
- hostaddr = 'localhost' # ftp地址
- username = 'test' # 用户名
- password = 'test' # 密码
- port = 21 # 端口号
- rootdir_local = '.' + os.sep + 'bak/' # 本地目录
- rootdir_remote = './' # 远程目录
- f = MYFTP(hostaddr, username, password, rootdir_remote, port)
- f.login()
- f.download_files(rootdir_local, rootdir_remote)
- timenow = time.localtime()
- datenow = time.strftime('%Y-%m-%d', timenow)
- logstr += " - %s 成功执行了备份\n" %datenow
- debug_print(logstr)
- file.write(logstr)
- file.close()
复制代码
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