In pyxrootd, most calls take a timeout argument. Using ping to test if a server is alive, it does not seem to respect the timeout:

from XRootD import client
import time

fs = client.FileSystem("localhost:9999")

tic = time.monotonic()
status, _ = fs.ping(1)
toc = time.monotonic()
print(f"Got status {status} in {toc-tic:.3f}s")

tic = time.monotonic()
status, _ = fs.ping(10)
toc = time.monotonic()
print(f"Got status {status} in {toc-tic:.3f}s")

gives

Got status [ERROR] Operation expired in 15.002s
Got status [ERROR] Operation expired in 15.001s

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