1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
#!/usr/bin/python
"""Uses ``wsgiref``, standard in Python 2.5 and also in the cheeseshop."""
from sqlalchemy import *
from sqlalchemy.orm import *
import thread
from sqlalchemy.test import *
port = 8000
import logging
logging.basicConfig()
logging.getLogger('sqlalchemy.pool').setLevel(logging.INFO)
threadids = set()
meta = MetaData(testing.db)
foo = Table('foo', meta,
Column('id', Integer, primary_key=True),
Column('data', String(30)))
class Foo(object):
pass
mapper(Foo, foo)
def prep():
meta.drop_all()
meta.create_all()
data = []
for x in range(1,500):
data.append({'id':x,'data':"this is x value %d" % x})
foo.insert().execute(data)
def serve(environ, start_response):
start_response("200 OK", [('Content-type', 'text/plain')])
sess = create_session()
l = sess.query(Foo).select()
threadids.add(thread.get_ident())
print ("sending response on thread", thread.get_ident(),
" total threads ", len(threadids))
return [str("\n".join([x.data for x in l]))]
if __name__ == '__main__':
from wsgiref import simple_server
try:
prep()
server = simple_server.make_server('localhost', port, serve)
print "Server listening on port %d" % port
server.serve_forever()
finally:
meta.drop_all()
|
