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Hide Input
==========
This extension allows hiding of an individual codecell in a notebook. This can
be achieved by clicking on the toolbar button:
Internals
---------
The codecell hiding state is stored in the metadata `cell.metadata.hide_input`.
If it is set to `true`, the codecell will be hidden on reload.
Exporting with nbconvert
------------------------
See also the general docs for exporting using nbconvert at
[jupyter-contrib-nbextensions.readthedocs.io](https://jupyter-contrib-nbextensions.readthedocs.io/en/latest/).
To export a notebook with hidden cell inputs using nbconvert, you need to use a
custom template.
The required template is supplied as part of
`jupyter_contrib_nbextensions.nbconvert_support`, or you can roll your own
using the provided ones as examples. Again, see the docs linked above for more
information.
The `nbextensions.tpl` template is provided in the
`jupyter_contrib_nbextensions.nbconvert_support` templates directory (see the
docs mentioned above for how to find it)
To use, add the template to your `nbconvert` call:
jupyter nbconvert --template=nbextensions --to=html my_notebook.ipynb
The nbextensions template will respect the `cell.metadata.hide_input` flag, and
filter the cell's output prompt (the bit that looks like `Out[27]:`).
The filter is only used for html output, not for PDF or LaTeX output.
If you want to _keep_ the cell output prompt, you will have to remove the lines
{% block output_group -%}
{%- if cell.metadata.hide_output or nb.metadata.hide_input -%}
{%- else -%}
{{ super() }}
{%- endif -%}
{% endblock output_group %}
in the `nbextensions.tpl` file.
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