gistfile1.py

# LDAP Auth
# coding=utf-8

# pip install python-ldap

import ldap
from sys import stdin, stdout

stdout.write("Username: ")
USERNAME = stdin.readline().strip()
stdout.write("Password: ")
PASSWORD = stdin.readline().strip()

l = ldap.initialize("ldap://ldap.pomona.edu:389")
l.protocol_version = ldap.VERSION3
try:
  l.simple_bind_s(("%s@campus" % USERNAME).encode('utf-8'), PASSWORD.encode('utf-8'))
except ldap.LDAPError:
	print "Could not log in!"
	exit()

# And we're logged in!
# except ldap.LDAPError

ldap_result_id = l.search(
	"OU=Users and Computers,OU=ZHOME,DC=campus,DC=pomona,DC=edu",
	ldap.SCOPE_SUBTREE,
	("(cn=%s)" % USERNAME),
	None)

def sentinel(func, comp):
	while True:
		result = func()
		if comp(result): break
		yield result

results = filter(
	lambda _: _[0] == ldap.RES_SEARCH_ENTRY,
	sentinel(
		lambda: l.result(ldap_result_id, 0),
		lambda _: _[1] == [])
	)[0][1][0][1]
print results['givenName'][0]