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use gen.sleep

Browse Source 
instead of elaborate `gen.Task(add_timeout...)`

requires tornado 4.1
This commit is contained in:
Min RK
2015-09-23 17:04:01 +02:00
parent 0c9214ffb7
commit d1edbddb77
5 changed files with 10 additions and 12 deletions
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6
jupyterhub/utils.py
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@@ -41,7 +41,7 @@ def wait_for_server(ip, port, timeout=10):
app_log.error("Unexpected error waiting for %s:%i %s",
ip, port, e
)
yield gen.Task(loop.add_timeout, loop.time() + 0.1)
yield gen.sleep(0.1)
else:
return
raise TimeoutError("Server at {ip}:{port} didn't respond in {timeout} seconds".format(
@@ -67,14 +67,14 @@ def wait_for_http_server(url, timeout=10):
# we expect 599 for no connection,
# but 502 or other proxy error is conceivable
app_log.warn("Server at %s responded with error: %s", url, e.code)
yield gen.Task(loop.add_timeout, loop.time() + 0.25)
yield gen.sleep(0.1)
else:
app_log.debug("Server at %s responded with %s", url, e.code)
return
except (OSError, socket.error) as e:
if e.errno not in {errno.ECONNABORTED, errno.ECONNREFUSED, errno.ECONNRESET}:
app_log.warn("Failed to connect to %s (%s)", url, e)
yield gen.Task(loop.add_timeout, loop.time() + 0.25)
yield gen.sleep(0.1)
else:
return