# the CherryPy server code:

#!/usr/bin/env python
import random, string

import cherrypy
from cherrypy import expose, tools

conf = {"global" : {"server.socket_port" : 8080,
                    "server.socket_host" : "0.0.0.0"}}

class Query(object):
    @expose
    def foo(self):
        qux = ''.join(random.choice(string.lowercase) for i in xrange(5)) + '\n'
        self.qux = qux
        return qux

    @expose
    def bar(self):
        return self.qux

cherrypy.quickstart(Query(), config=conf)

$ for i in {1..20}; do curl http://localhost:8080/foo >> res.txt & curl http://localhost:8080/bar >> res.txt; echo '-----' >> res.txt; done
$ cat res.txt 
wutbd
wutbd
-----
juzgg
juzgg
-----
gfchl
gfchl
-----
yklzf
yklzf
-----
cqxqc
cqxqc
-----
cqxqc
-----
gsbxi
gsbxi
-----
jzlyp
chslm
chslm
-----
plllm
plllm
-----
plllm
-----
lkoac
lkoac
hlssb
-----
hlssb
haiqi
-----
ksdlg
-----
ksdlg
-----
ksdlg
kgaej
kgaej
-----
kqocb
kqocb
-----
zlrvv
shcjm
shcjm
-----
shcjm
-----
crani
-----
pfyim
crani
fjlac
fjlac
-----