| Server IP : 85.214.239.14 / Your IP : 3.144.91.130 Web Server : Apache/2.4.62 (Debian) System : Linux h2886529.stratoserver.net 4.9.0 #1 SMP Tue Jan 9 19:45:01 MSK 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.18 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /proc/2/root/usr/share/doc/uwsgi-core/tests/ |
Upload File : |
# uwsgi --async 1000 --ugreen
import uwsgi
import psycopg2
def async_wait(conn):
# conn can be a connection or a cursor
if not hasattr(conn, 'poll'):
conn = conn.connection
# interesting part: suspend until ready
while True:
state = conn.poll()
if state == psycopg2.extensions.POLL_OK:
break
elif state == psycopg2.extensions.POLL_READ:
uwsgi.wait_fd_read(conn.fileno())
uwsgi.suspend()
elif state == psycopg2.extensions.POLL_WRITE:
uwsgi.wait_fd_write(conn.fileno())
uwsgi.suspend()
else:
raise Exception("Unexpected result from poll: %r", state)
def application(env, start_response):
start_response('200 Ok', [('Content-type', 'text/html')])
conn = psycopg2.connect("dbname=template1 user=postgres", async=True)
# suspend until connection
async_wait(conn)
curs = conn.cursor()
yield "<table>"
curs.execute("SELECT * FROM tests")
# suspend until result
async_wait(curs)
while True:
row = curs.fetchone()
if not row: break
yield "<tr><td>%s</td></tr>" % str(row)
yield "</table>"
conn.close()