| #!/usr/bin/env python |
| |
| """This demonstrates an FTP "bookmark". This connects to an ftp site; does a |
| few ftp stuff; and then gives the user interactive control over the session. In |
| this case the "bookmark" is to a directory on the OpenBSD ftp server. It puts |
| you in the i386 packages directory. You can easily modify this for other sites. |
| """ |
| |
| import pexpect |
| import sys |
| |
| child = pexpect.spawn('ftp ftp.openbsd.org') |
| child.expect('(?i)name .*: ') |
| child.sendline('anonymous') |
| child.expect('(?i)password') |
| child.sendline('pexpect@sourceforge.net') |
| child.expect('ftp> ') |
| child.sendline('cd /pub/OpenBSD/3.7/packages/i386') |
| child.expect('ftp> ') |
| child.sendline('bin') |
| child.expect('ftp> ') |
| child.sendline('prompt') |
| child.expect('ftp> ') |
| child.sendline('pwd') |
| child.expect('ftp> ') |
| print("Escape character is '^]'.\n") |
| sys.stdout.write (child.after) |
| sys.stdout.flush() |
| child.interact() # Escape character defaults to ^] |
| # At this point this script blocks until the user presses the escape character |
| # or until the child exits. The human user and the child should be talking |
| # to each other now. |
| |
| # At this point the script is running again. |
| print 'Left interactve mode.' |
| |
| # The rest is not strictly necessary. This just demonstrates a few functions. |
| # This makes sure the child is dead; although it would be killed when Python exits. |
| if child.isalive(): |
| child.sendline('bye') # Try to ask ftp child to exit. |
| child.close() |
| # Print the final state of the child. Normally isalive() should be FALSE. |
| if child.isalive(): |
| print 'Child did not exit gracefully.' |
| else: |
| print 'Child exited gracefully.' |
| |
