#! /usr/bin/env python
import sys
from twisted.internet import reactor
from example_secrets import mydb, main
def print_user_info(user):
print "looking up", user
d = mydb.get_user(user)
print "still thinking.."
def got_info(res):
print "name:", res.name
reactor.stop()
d.addCallback(got_info)
print "*still* thinking.."
main(print_user_info, sys.argv[1])
#! /usr/bin/env python
import sys
from twisted.internet import reactor
from example_secrets import get_page_title, main
def print_page_title(url):
print "fetching", url
d = get_page_title(url)
def got_info(title):
print "title:", title
reactor.stop()
def fail_info(f):
print "failed!", f.type, f.value
reactor.stop()
d.addCallbacks(got_info, fail_info)
main(print_page_title, sys.argv[1])
#! /usr/bin/env python
import sys
from twisted.internet import reactor
from example_secrets import mydb, main
def get_user_name(user):
d = mydb.get_user(user)
def extract_name(res):
print "extract_name(%r)" % res
if res:
return res.name
return "(unknown)"
d.addCallback(extract_name)
return d
def print_user_name(user):
d = get_user_name(user)
def print_name(name):
print "print_name(%r)" % name
print "Name:", name
reactor.stop()
d.addCallback(print_name)
print "print_user_name returning"
main(print_user_name, sys.argv[1])