ftp-examle1.py

# Python examples using ftplib package.
# https://docs.python.org/2/library/ftplib.html
# efg, 7 May 2014

# Annoying IDLE setup for up/down arrows on Windows
# https://www.clear.rice.edu/engi128/Resources/usingidle.htm
# Options | Configure IDLE | Keys | history next and history last

import os
from ftplib import FTP

NewLine = "\n"

# Establish local working directory
print os.getcwd()  # IDLE will set this path
os.chdir("C:/2014/Python/FTP/")
print os.getcwd(), NewLine

# Open FTP site
ftp = FTP('ftp.debian.org')
ftp.login()
print ftp.getwelcome(), NewLine

# Establish remote working directory
ftp.cwd('debian')
print ftp.pwd()

# List files in remote directory
ftp.retrlines('LIST')

# Rename README to README.txt while copying
filename = "README"
ftp.retrbinary("RETR " + filename, open(filename + '.txt', 'wb').write)

# Change to subdirectory at remote site
ftp.cwd('doc')
print NewLine, ftp.pwd()

# Use nlst to get list of filenames
print NewLine, "nlst - all"
filenames = ftp.nlst()
print type(filenames)
print filenames

print NewLine, "nlst - filtered"
filenames = ftp.nlst("bug*.txt")
print type(filenames)
print filenames

# Use dir to get info for selected files
# http://effbot.org/librarybook/ftplib.htm
print NewLine, "dir - all"
filelist = []
ftp.dir(filelist.append)
for line in filelist:
    print "-", line

print NewLine, "dir - filtered"
filelist = []
ftp.dir("bug*.txt", filelist.append)
for line in filelist:
    print "-", line

# Make local copies of set of files
print NewLine, "Copying files ..."
for  filename in filenames:
    print filename
    ftp.retrbinary("RETR " + filename, open(filename, 'wb').write)

ftp.quit()

# Splitting filenames
print NewLine, "Splitting Filenames"
print filenames[2]
print os.path.splitext(filenames[2])