FTPEntry.py

import ftplib


class FTPEntry:

    """

        Class to determine if a ftp-path is file or directory.
        Assigns every filename a parameter ('d' = directory or 'f' = file)
        @author: Sebastian Beyvers
        @contact: sebastian.beyvers@med.uni-giessen.de

    """

    def __init__(self, filename, ftpobj, startingdir=None):

        # Constructor
        # input_parameter: filename    = the files/directorys name
        #                  ftpobj      = Current Instance of FTPLib from URLRetrieve
        #                  startingdir = optional parameter for ftp starting directory (to reduce browsing in ftp)

        self.filename = filename
        if startingdir is None:
            startingdir = ftpobj.pwd()

        # Try if "filename" is directory

        try:
            ftpobj.cwd(filename)
            self.filetype = 'd'
            ftpobj.cwd(startingdir)

        # If error_perm occurs filename is file not directory

        except ftplib.error_perm:
            self.filetype = 'f'

    def gettype(self):

        # Getter method for filetype

        return self.filetype

    def getfilename(self):

        # Getter method for filenname

        return self.filename

    def __repr__(self):

        # Change the represenation scheme for FTPEntry object.

        return self.filename, self.filetype