PHP Python FTP Operation class

PHP Python FTP Operation class Class FTP { FTP Connection Resources Private $link; FTP Connection time Public $link _time; Error code Private $err _code = 0; Transfer Mode {text mode: FTP_ASCII, Binary mode: Ftp_binary} Public $mode = ftp_binary; /** Initialize class **/ Public function Start ($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 ']; } /** * Connect to FTP server * @param string $host server address * @param string $username user name * @param string $password password * @param integer $port server port with a default value of 21 * @param Boolean $PASV whether to turn on passive mode * @param boolean $ssl whether to use SSL connection * @param integer $timeout time-out */ Public function Connect ($host, $username = ', $password = ', $port = ' + ', $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 '); } /** * Create Folder * @param string $dirname directory name, */ Public function mkdir ($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; } /** * Upload Files * @param string $remote Remote Storage address * @param string $local Local storage address */ Public function put ($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; } } /** * Delete Folder * @param string $dirname directory Address * @param boolean $enforce Force delete */ Public function RmDir ($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; } /** * Delete the specified file * @param string $filename file name */ Public Function Delete ($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; } } /** * Returns a list of files for a given directory * @param string $dirname directory Address * @return Array file list data */ Public Function Nlist ($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; } } /** * Change the current directory on the FTP server * @param string $dirname Modify the current directory on the server */ Public Function ChDir ($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; } } /** * Get error messages */ 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]; } /** * Detection Directory Name * @param string $url directory * @return The returned array by/separate */ Private Function Ck_dirname ($url) { $url = Str_replace (', '/', $url); $urls = explode ('/', $url); return $urls; } /** * Close FTP connection */ Public function Close () { Return @ftp_close ($this->link); } } Copy Code #!/usr/bin/python #coding =GBK ''' FTP automatic download, automatic upload script, can be recursive directory operation ''' 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 ' Start connection to%s '% (SELF.HOSTADDR) Ftp.connect (SELF.HOSTADDR, Self.port) print ' Successfully connected to%s '% (SELF.HOSTADDR) print ' Start login to%s '% (SELF.HOSTADDR) Ftp.login (Self.username, Self.password) print ' successfully logged on to%s '% (SELF.HOSTADDR) Debug_print (Ftp.getwelcome ()) Except Exception: Deal_error ("Connection or Login failed") Try FTP.CWD (Self.remotedir) Except (Exception): Deal_error (' failed to switch directory ') 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 ' file is the same size without downloading '%localfile ') Return Else Debug_print (' >>>>>>>>>>>> download file%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 (' directory%s does not exist, continue ... '%remotedir) Return If not Os.path.isdir (Localdir): Os.makedirs (Localdir) Debug_print (' Switch to directory%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 (' Return to upper directory%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 (' Skip [equal]:%s '%localfile) Return File_handler = open (LocalFile, ' RB ') Self.ftp.storbinary (' STOR%s '%remotefile, File_handler) File_handler.close () Debug_print (' Delivered:%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 (' Directory already exists%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 ' Error occurred:%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 # Configure the following variables hostaddr = ' localhost ' # FTP address Username = ' Test ' # User name Password = ' Test ' # password Port = 21 # port number rootdir_local = '. ' + os.sep + ' bak/' # Local Directory Rootdir_remote = './' # remote Directory 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 successfully performed a backup \ n"%datenow Debug_print (LOGSTR) File.write (LOGSTR) File.close () Copy Code

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