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#!/usr/bin/env python3
# Copyright (c) Facebook, Inc. and its affiliates.
# All rights reserved.
#
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree.
import argparse
import json
import os
import nbformat
from bs4 import BeautifulSoup
from nbconvert import HTMLExporter, ScriptExporter
TEMPLATE = """const CWD = process.cwd();
const React = require('react');
const Tutorial = require(`${{CWD}}/core/Tutorial.js`);
class TutorialPage extends React.Component {{
render() {{
const {{config: siteConfig}} = this.props;
const {{baseUrl}} = siteConfig;
return <Tutorial baseUrl={{baseUrl}} tutorialID="{}"/>;
}}
}}
module.exports = TutorialPage;
"""
JS_SCRIPTS = """
<script
src="https://cdnjs.cloudflare.com/ajax/libs/require.js/2.1.10/require.min.js">
</script>
<script
src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.0.3/jquery.min.js">
</script>
""" # noqa: E501
def gen_tutorials(repo_dir: str) -> None:
"""Generate HTML tutorials for PyTorch3D Docusaurus site from Jupyter notebooks.
Also create ipynb and py versions of tutorial in Docusaurus site for
download.
"""
with open(os.path.join(repo_dir, "website", "tutorials.json"), "r") as infile:
tutorial_config = json.loads(infile.read())
tutorial_ids = {x["id"] for v in tutorial_config.values() for x in v}
for tid in tutorial_ids:
print("Generating {} tutorial".format(tid))
# convert notebook to HTML
ipynb_in_path = os.path.join(
repo_dir, "docs", "tutorials", "{}.ipynb".format(tid)
)
with open(ipynb_in_path, "r") as infile:
nb_str = infile.read()
nb = nbformat.reads(nb_str, nbformat.NO_CONVERT)
# displayname is absent from notebook metadata
nb["metadata"]["kernelspec"]["display_name"] = "python3"
exporter = HTMLExporter()
html, meta = exporter.from_notebook_node(nb)
# pull out html div for notebook
soup = BeautifulSoup(html, "html.parser")
nb_meat = soup.find("div", {"id": "notebook-container"})
del nb_meat.attrs["id"]
nb_meat.attrs["class"] = ["notebook"]
html_out = JS_SCRIPTS + str(nb_meat)
# generate html file
html_out_path = os.path.join(
repo_dir, "website", "_tutorials", "{}.html".format(tid)
)
with open(html_out_path, "w") as html_outfile:
html_outfile.write(html_out)
# generate JS file
script = TEMPLATE.format(tid)
js_out_path = os.path.join(
repo_dir, "website", "pages", "tutorials", "{}.js".format(tid)
)
with open(js_out_path, "w") as js_outfile:
js_outfile.write(script)
# output tutorial in both ipynb & py form
ipynb_out_path = os.path.join(
repo_dir, "website", "static", "files", "{}.ipynb".format(tid)
)
with open(ipynb_out_path, "w") as ipynb_outfile:
ipynb_outfile.write(nb_str)
exporter = ScriptExporter()
script, meta = exporter.from_notebook_node(nb)
py_out_path = os.path.join(
repo_dir, "website", "static", "files", "{}.py".format(tid)
)
with open(py_out_path, "w") as py_outfile:
py_outfile.write(script)
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description="Generate JS, HTML, ipynb, and py files for tutorials."
)
parser.add_argument(
"--repo_dir", metavar="path", required=True, help="PyTorch3D repo directory."
)
args = parser.parse_args()
gen_tutorials(args.repo_dir)
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