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Add option to configure the IOPub timeout #513

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merged 1 commit into from
Jan 16, 2017
Merged

Add option to configure the IOPub timeout #513

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13 changes: 12 additions & 1 deletion nbconvert/preprocessors/execute.py
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Original file line number Diff line number Diff line change
Expand Up @@ -125,6 +125,17 @@ class ExecutePreprocessor(Preprocessor):
)
).tag(config=True)

iopub_timeout = Integer(4, allow_none=False,
help=dedent(
"""
The time to wait (in seconds) for IOPub output. This generally
doesn't need to be set, but on some slow networks (such as CI
systems) the default timeout might not be long enough to get all
messages.
"""
)
).tag(config=True)

shutdown_kernel = Enum(['graceful', 'immediate'],
default_value='graceful',
help=dedent(
Expand Down Expand Up @@ -275,7 +286,7 @@ def run_cell(self, cell):
# in certain CI systems, waiting < 1 second might miss messages.
# So long as the kernel sends a status:idle message when it
# finishes, we won't actually have to wait this long, anyway.
msg = self.kc.iopub_channel.get_msg(timeout=4)
msg = self.kc.iopub_channel.get_msg(timeout=self.iopub_timeout)
except Empty:
self.log.warn("Timeout waiting for IOPub output")
if self.raise_on_iopub_timeout:
Expand Down