implemented working externAgent wrapper

[progcomp10.git] / src / link / pexpect / examples / ftp.py

diff --git a/src/link/pexpect/examples/ftp.py b/src/link/pexpect/examples/ftp.py
new file mode 100755 (executable)
index 0000000..89a502e
--- /dev/null
+++ b/src/link/pexpect/examples/ftp.py
@@ -0,0 +1,47 @@
+#!/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('[email protected]')
+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.'
+