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## begin license ##
#
# "Weightless" is a High Performance Asynchronous Networking Library. See http://weightless.io
#
# Copyright (C) 2011-2012 Seecr (Seek You Too B.V.) http://seecr.nl
#
# This file is part of "Weightless"
#
# "Weightless" is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# "Weightless" is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with "Weightless"; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
## end license ##
from weightless.core import compose
print """ 1. calling generators """
def f():
yield 'No'
yield g()
yield 'here'
def g():
yield 'PUN'
p = f()
print p.next()
print p.next() #?
print p.next()
p = compose(f())
print p.next()
print p.next()
print p.next()
print """ 2. Catching exceptions """
def f():
try:
yield g()
except ZeroDivisionError:
yield 'Oops'
def g():
yield 1/0 # oops
p = f()
print p.next()
p = compose(f())
print p.next()
print """ 3. fixing Stack Traces """
def f():
yield g()
def g():
yield h()
def h():
yield 1/0 # Oops
# Trace: main -> f() -> g() -> h()
# Without tbtools: remove the tbtools symlink
p = compose(f())
print p.next()
def f():
yield g()
def g():
yield h()
def h():
yield 1/0
p = compose(f())
p.next()