mirror of
https://github.com/chanzuckerberg/cellxgene.git
synced 2026-09-17 05:47:58 +08:00
4b96b3a635
* WIP * add --developer; fix incompatibility of --port and --debug * put REST tests on separate ports * PR review
27 lines
848 B
Python
27 lines
848 B
Python
import contextlib
|
|
import errno
|
|
import socket
|
|
|
|
|
|
def find_available_port(host, port=5005):
|
|
"""
|
|
Helper method to find open port on host. Tries 5000 ports incremented from the specified port
|
|
"""
|
|
# Takes approx 2 seconds to do a scan of 5000 ports on my laptop
|
|
num_ports_to_try = 5000
|
|
for port_to_try in range(port, port + num_ports_to_try):
|
|
if is_port_available(host, port_to_try):
|
|
return port_to_try
|
|
raise socket.error(errno.EADDRINUSE, f"No port in range {port} - {port + num_ports_to_try - 1} available.")
|
|
|
|
|
|
def is_port_available(host, port):
|
|
is_available = False
|
|
with contextlib.closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as s:
|
|
try:
|
|
s.bind((host, port))
|
|
is_available = True
|
|
except socket.error:
|
|
pass
|
|
return is_available
|