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Merge pull request #1870 from minrk/captureio...
Merge pull request #1870 from minrk/captureio New `%%capture` cell magic captures stdout/err while running a cell. Uses `capture_output()` context manager, moved to utils.io from IPython.parallel testing utilities, where it originated. The caputre objects can be printed as a string, case in which they display the captured stdout, which is also available as `.stdout`. The captured stderr, if any, is in a `.stderr` attribute. A `.show()` method can be called to quickly print both, with stderr being correctly printed to the sys.stderr stream (so the notebook displays it with red highlighting). closes #1863

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simpleerr.py
32 lines | 584 B | text/x-python | PythonLexer
"""Error script. DO NOT EDIT FURTHER! It will break exception doctests!!!"""
import sys
def div0():
"foo"
x = 1
y = 0
x/y
def sysexit(stat, mode):
raise SystemExit(stat, 'Mode = %s' % mode)
def bar(mode):
"bar"
if mode=='div':
div0()
elif mode=='exit':
try:
stat = int(sys.argv[2])
except:
stat = 1
sysexit(stat, mode)
else:
raise ValueError('Unknown mode')
if __name__ == '__main__':
try:
mode = sys.argv[1]
except IndexError:
mode = 'div'
bar(mode)