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Do nothing if loaded in terminal IPython #2

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merged 1 commit into from
Sep 7, 2016
Merged

Do nothing if loaded in terminal IPython #2

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9 changes: 9 additions & 0 deletions wurlitzer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -267,8 +267,15 @@ def load_ipython_extension(ip):

Captures all C output during execution and forwards to sys.

Does nothing on terminal IPython.

Use: %load_ext wurlitzer
"""
if not getattr(ip, 'kernel'):
warnings.warn(
"wurlitzer extension doesn't do anything in terminal IPython"
)
return
ip.events.register('pre_execute', sys_pipes_forever)
ip.events.register('post_execute', stop_sys_pipes)

Expand All @@ -278,5 +285,7 @@ def unload_ipython_extension(ip):

Use: %unload_ext wurlitzer
"""
if not getattr(ip, 'kernel'):
return
ip.events.unregister('pre_execute', sys_pipes_forever)
ip.events.unregister('post_execute', stop_sys_pipes)