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51 lines
1.5 KiB
Python
51 lines
1.5 KiB
Python
"""Output class.
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Represents a widget that can be used to display output within the widget area.
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"""
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# Copyright (c) IPython Development Team.
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# Distributed under the terms of the Modified BSD License.
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from .widget import DOMWidget
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import sys
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from IPython.utils.traitlets import Unicode, List
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from IPython.display import clear_output
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from IPython.testing.skipdoctest import skip_doctest
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@skip_doctest
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class Output(DOMWidget):
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"""Widget used as a context manager to display output.
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This widget can capture and display stdout, stderr, and rich output. To use
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it, create an instance of it and display it. Then use it as a context
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manager. Any output produced while in it's context will be captured and
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displayed in it instead of the standard output area.
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Example
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from IPython.html import widgets
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from IPython.display import display
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out = widgets.Output()
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display(out)
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print('prints to output area')
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with out:
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print('prints to output widget')"""
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_view_name = Unicode('OutputView', sync=True)
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def clear_output(self, *pargs, **kwargs):
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with self:
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clear_output(*pargs, **kwargs)
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def __enter__(self):
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self._flush()
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self.send({'method': 'push'})
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def __exit__(self, exception_type, exception_value, traceback):
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self._flush()
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self.send({'method': 'pop'})
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def _flush(self):
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sys.stdout.flush()
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sys.stderr.flush()
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