Export As (nbconvert).ipynb
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Jonathan Frederic
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r14354 | { | ||
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r18669 | "cells": [ | ||
{ | ||||
"cell_type": "code", | ||||
"execution_count": null, | ||||
"metadata": { | ||||
"collapsed": false | ||||
}, | ||||
"outputs": [], | ||||
"source": [ | ||||
"# Widget related imports\n", | ||||
"from IPython.html import widgets\n", | ||||
"from IPython.display import display, clear_output, Javascript\n", | ||||
"from IPython.utils.traitlets import Unicode\n", | ||||
"\n", | ||||
"# nbconvert related imports\n", | ||||
"from IPython.nbconvert import get_export_names, export_by_name\n", | ||||
"from IPython.nbconvert.writers import FilesWriter\n", | ||||
"from IPython.nbformat import current\n", | ||||
"from IPython.nbconvert.utils.exceptions import ConversionException" | ||||
] | ||||
}, | ||||
{ | ||||
"cell_type": "markdown", | ||||
"metadata": {}, | ||||
"source": [ | ||||
"Create a text Widget without displaying it. The widget will be used to store the notebook's name which is otherwise only available in the front-end." | ||||
] | ||||
}, | ||||
{ | ||||
"cell_type": "code", | ||||
"execution_count": null, | ||||
"metadata": { | ||||
"collapsed": false | ||||
}, | ||||
"outputs": [], | ||||
"source": [ | ||||
"notebook_name = widgets.Text()" | ||||
] | ||||
}, | ||||
{ | ||||
"cell_type": "markdown", | ||||
"metadata": {}, | ||||
"source": [ | ||||
"Get the current notebook's name by pushing JavaScript to the browser that sets the notebook name in a string widget." | ||||
] | ||||
}, | ||||
{ | ||||
"cell_type": "code", | ||||
"execution_count": null, | ||||
"metadata": { | ||||
"collapsed": false | ||||
}, | ||||
"outputs": [], | ||||
"source": [ | ||||
"js = \"\"\"var model = IPython.notebook.kernel.widget_manager.get_model('{model_id}');\n", | ||||
"model.set('value', IPython.notebook.notebook_name);\n", | ||||
"model.save();\"\"\".format(model_id=notebook_name.model_id)\n", | ||||
"display(Javascript(data=js))" | ||||
] | ||||
}, | ||||
{ | ||||
"cell_type": "code", | ||||
"execution_count": null, | ||||
"metadata": { | ||||
"collapsed": false | ||||
}, | ||||
"outputs": [], | ||||
"source": [ | ||||
"filename = notebook_name.value\n", | ||||
"filename" | ||||
] | ||||
}, | ||||
{ | ||||
"cell_type": "markdown", | ||||
"metadata": {}, | ||||
"source": [ | ||||
"Create the widget that will allow the user to Export the current notebook." | ||||
] | ||||
}, | ||||
{ | ||||
"cell_type": "code", | ||||
"execution_count": null, | ||||
"metadata": { | ||||
"collapsed": false | ||||
}, | ||||
"outputs": [], | ||||
"source": [ | ||||
"exporter_names = widgets.Dropdown(values=get_export_names(), value='html')\n", | ||||
"export_button = widgets.Button(description=\"Export\")\n", | ||||
"download_link = widgets.HTML(visible=False)" | ||||
] | ||||
}, | ||||
{ | ||||
"cell_type": "markdown", | ||||
"metadata": {}, | ||||
"source": [ | ||||
"Export the notebook when the export button is clicked." | ||||
] | ||||
}, | ||||
{ | ||||
"cell_type": "code", | ||||
"execution_count": null, | ||||
"metadata": { | ||||
"collapsed": false | ||||
}, | ||||
"outputs": [], | ||||
"source": [ | ||||
"file_writer = FilesWriter()\n", | ||||
"\n", | ||||
"def export(name, nb):\n", | ||||
" \n", | ||||
" # Get a unique key for the notebook and set it in the resources object.\n", | ||||
" notebook_name = name[:name.rfind('.')]\n", | ||||
" resources = {}\n", | ||||
" resources['unique_key'] = notebook_name\n", | ||||
" resources['output_files_dir'] = '%s_files' % notebook_name\n", | ||||
"\n", | ||||
" # Try to export\n", | ||||
" try:\n", | ||||
" output, resources = export_by_name(exporter_names.value, nb)\n", | ||||
" except ConversionException as e:\n", | ||||
" download_link.value = \"<br>Could not export notebook!\"\n", | ||||
" else:\n", | ||||
" write_results = file_writer.write(output, resources, notebook_name=notebook_name)\n", | ||||
" \n", | ||||
" download_link.value = \"<br>Results: <a href='files/{filename}'><i>\\\"{filename}\\\"</i></a>\".format(filename=write_results)\n", | ||||
" download_link.visible = True\n", | ||||
" \n", | ||||
"def handle_export(widget):\n", | ||||
" with open(filename, 'r') as f:\n", | ||||
" export(filename, current.read(f, 'json'))\n", | ||||
"export_button.on_click(handle_export)" | ||||
] | ||||
}, | ||||
{ | ||||
"cell_type": "markdown", | ||||
"metadata": {}, | ||||
"source": [ | ||||
"Display the controls." | ||||
] | ||||
}, | ||||
{ | ||||
"cell_type": "code", | ||||
"execution_count": null, | ||||
"metadata": { | ||||
"collapsed": false | ||||
}, | ||||
"outputs": [], | ||||
"source": [ | ||||
"display(exporter_names, export_button, download_link)" | ||||
] | ||||
} | ||||
], | ||||
Jonathan Frederic
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r14354 | "metadata": { | ||
Jonathan Frederic
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r17726 | "kernelspec": { | ||
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r20278 | "display_name": "Python 3", | ||
Jonathan Frederic
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r17726 | "language": "python", | ||
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r20278 | "name": "python3" | ||
Jonathan Frederic
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r17726 | }, | ||
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r20278 | "language_info": { | ||
"codemirror_mode": { | ||||
"name": "ipython", | ||||
"version": 3 | ||||
}, | ||||
"file_extension": ".py", | ||||
"mimetype": "text/x-python", | ||||
"name": "python", | ||||
"nbconvert_exporter": "python", | ||||
"pygments_lexer": "ipython3", | ||||
"version": "3.4.2" | ||||
} | ||||
Jonathan Frederic
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r14354 | }, | ||
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r18669 | "nbformat": 4, | ||
"nbformat_minor": 0 | ||||
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r20278 | } | ||