php python ftp操作類

php python ftp操作類 class Ftp { //FTP 串連資源 private $link; //FTP連線時間 public $link_time; //錯誤碼 private $err_code = 0; //傳送模式{文字模式:FTP_ASCII, 二進位模式:FTP_BINARY} public $mode = FTP_BINARY; /** 初始化類 **/ public function start($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']); } /** * 串連FTP伺服器 * @param string $host 　　 伺服器位址 * @param string $username　　　使用者名稱 * @param string $password　　　密碼 * @param integer $port　　　　 伺服器連接埠，預設值為21 * @param boolean $pasv 是否開啟被動模式 * @param boolean $ssl　　　　 　是否使用SSL串連 * @param integer $timeout 逾時時間　 */ public function connect($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')); } /** * 建立檔案夾 * @param string $dirname 目錄名， */ public function mkdir($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; } /** * 上傳檔案 * @param string $remote 遠程存放地址 * @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; } } /** * 刪除檔案夾 * @param string $dirname 目錄位址 * @param boolean $enforce 強制移除 */ public function rmdir($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; } /** * 刪除指定檔案 * @param string $filename 檔案名稱 */ public function delete($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; } } /** * 返回給定目錄的檔案清單 * @param string $dirname 目錄位址 * @return array 檔案清單資料 */ public function nlist($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 伺服器上改變目前的目錄 * @param string $dirname 修改伺服器上目前的目錄 */ public function chdir($dirname) { if (!$this->link) { $this->err_code = 2; return false; } if (@ftp_chdir($this->link, $dirname)) { return true; } else { $this->err_code = 6; return false; } } /** * 擷取錯誤資訊 */ public function get_error() { if (!$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]; } /** * 檢測目錄名 * @param string $url 目錄 * @return 由 / 分開的返回數組 */ private function ck_dirname($url) { $url = str_replace('', '/', $url); $urls = explode('/', $url); return $urls; } /** * 關閉FTP串連 */ public function close() { return @ftp_close($this->link); } } 複製代碼 #!/usr/bin/python #coding=gbk ''' ftp自動下載、自動上傳指令碼，可以遞迴目錄操作 ''' 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 '開始串連到 %s' %(self.hostaddr) ftp.connect(self.hostaddr, self.port) print '成功串連到 %s' %(self.hostaddr) print '開始登入到 %s' %(self.hostaddr) ftp.login(self.username, self.password) print '成功登入到 %s' %(self.hostaddr) debug_print(ftp.getwelcome()) except Exception: deal_error("串連或登入失敗") try: ftp.cwd(self.remotedir) except(Exception): deal_error('切換目錄失敗') 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 檔案大小相同，無需下載' %localfile) return else: debug_print('>>>>>>>>>>>>下載檔案 %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('目錄%s不存在，繼續...' %remotedir) return if not os.path.isdir(localdir): os.makedirs(localdir) debug_print('切換至目錄 %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('返回上層目錄 %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('跳過[相等]: %s' %localfile) return file_handler = open(localfile, 'rb') self.ftp.storbinary('STOR %s' %remotefile, file_handler) file_handler.close() debug_print('已傳送: %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('目錄已存在 %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 發生錯誤: %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 # 配置如下變數 hostaddr = 'localhost' # ftp地址 username = 'test' # 使用者名稱 password = 'test' # 密碼 port = 21 # 連接埠號碼 rootdir_local = '.' + os.sep + 'bak/' # 本地目錄 rootdir_remote = './' # 遠程目錄 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 成功執行了備份\n" %datenow debug_print(logstr) file.write(logstr) file.close() 複製代碼

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