✨ add html parsing notebook
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378
notebooks/html-parse.ipynb
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378
notebooks/html-parse.ipynb
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{
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"cells": [
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{
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"cell_type": "markdown",
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"id": "23283830-032b-484a-b599-66ba8e7c2001",
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"metadata": {},
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"source": [
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"# HTML parse\n",
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"\n",
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"in this notebook:\n",
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"* prepare jupyter environment\n",
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"* download [cable bible](https://amiaopensource.github.io/cable-bible/) index.html file\n",
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"* parse html"
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]
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},
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{
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"cell_type": "markdown",
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"id": "ae76266b-b137-43ec-80f7-3f2c992215d9",
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"metadata": {
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"jp-MarkdownHeadingCollapsed": true,
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"tags": []
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},
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"source": [
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"## prepare jupyter environment"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 1,
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"id": "6360c8e3-8958-41c5-938a-f713af2ae715",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Note: you may need to restart the kernel to use updated packages.\n",
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"Note: you may need to restart the kernel to use updated packages.\n"
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]
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},
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{
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"data": {
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"application/javascript": [
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"if (!(\"Notification\" in window)) {\n",
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" alert(\"This browser does not support desktop notifications, so the %%notify magic will not work.\");\n",
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"} else if (Notification.permission !== 'granted' && Notification.permission !== 'denied') {\n",
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" Notification.requestPermission(function (permission) {\n",
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" if(!('permission' in Notification)) {\n",
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" Notification.permission = permission;\n",
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" }\n",
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" })\n",
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"}\n",
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"\n",
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"if(!window.jQuery) {\n",
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" var jq = document.createElement('script');\n",
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" jq.src = \"//ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js\";\n",
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" document.getElementsByTagName('head')[0].appendChild(jq);\n",
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"}\n",
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"\n",
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"// Detect if the window is out of focus.\n",
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"window.jupyterNotifyIsInBackground = undefined;\n",
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"(function() {\n",
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" // Check document.hidden support\n",
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" var hidden;\n",
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" if (typeof document.hidden !== \"undefined\") { // Opera 12.10 and Firefox 18 and later support\n",
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" hidden = \"hidden\";\n",
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" } else if (typeof document.msHidden !== \"undefined\") {\n",
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" hidden = \"msHidden\";\n",
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" } else if (typeof document.webkitHidden !== \"undefined\") {\n",
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" hidden = \"webkitHidden\";\n",
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" }\n",
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"\n",
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" // Set initial background state\n",
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" if (document[hidden]) {\n",
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" window.jupyterNotifyIsInBackground = true;\n",
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" } else {\n",
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" window.jupyterNotifyIsInBackground = false;\n",
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" }\n",
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"\n",
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" window.addEventListener('blur', function() { window.jupyterNotifyIsInBackground = true; }, false);\n",
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" window.addEventListener('focus', function() { window.jupyterNotifyIsInBackground = false; }, false);\n",
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"})();\n"
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],
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"text/plain": [
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"<IPython.core.display.Javascript object>"
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]
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},
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"metadata": {},
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"output_type": "display_data"
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}
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],
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"source": [
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"%pip install jupyterlab-vim -q\n",
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"%pip install git+https://github.com/cphyc/jupyter-notify.git -q\n",
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"#%reload_ext jupyternotify\n",
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"%load_ext jupyternotify"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 2,
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"id": "d5946431-9f33-4caa-835b-ab09fb73d0e2",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Note: you may need to restart the kernel to use updated packages.\n"
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]
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}
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],
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"source": [
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"%pip install pandas -q \\\n",
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" html5lib -q \\\n",
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" beautifulsoup4 -q"
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]
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},
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{
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"cell_type": "markdown",
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"id": "bcbc54b8-7e77-446c-bb9d-4753bb61bdf9",
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"metadata": {
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"jp-MarkdownHeadingCollapsed": true,
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"tags": []
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},
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"source": [
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"## download cable bible"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 3,
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"id": "c245e2c1-a5f1-4fa2-9037-7e1773208854",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"mkdir: cannot create directory ‘/tmp/scrape-demo’: File exists\n",
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" % Total % Received % Xferd Average Speed Time Time Time Current\n",
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" Dload Upload Total Spent Left Speed\n",
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"100 150k 100 150k 0 0 1089k 0 --:--:-- --:--:-- --:--:-- 1089k\n",
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"<!DOCTYPE html>\n",
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"<html lang=\"en\">\n"
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]
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}
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],
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"source": [
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"!mkdir /tmp/scrape-demo\n",
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"!curl \\\n",
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" https://raw.githubusercontent.com/amiaopensource/cable-bible/master/index.html \\\n",
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" -o /tmp/scrape-demo/index.html\n",
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"!head -2 /tmp/scrape-demo/index.html\n",
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"#!cp /tmp/scrape-demo/index.html .\n",
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"#!code ."
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]
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},
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{
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"cell_type": "markdown",
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"id": "2e7e4c6d-6d1b-44fa-8527-dd847cd63895",
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"metadata": {
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"tags": []
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},
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"source": [
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"## parse html"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 4,
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"id": "b28f8b7c-05c0-462f-93ab-10ff0b35176f",
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"metadata": {},
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"outputs": [],
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"source": [
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"from pathlib import Path\n",
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"from bs4 import BeautifulSoup\n",
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"html = Path('/tmp/scrape-demo/index.html').read_text()\n",
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"soup = BeautifulSoup(html, 'html.parser')"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 5,
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"id": "81767551-c9b6-4e98-80cf-1fc49b3a4262",
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"metadata": {},
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"outputs": [],
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"source": [
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"central_div = soup.find(\"div\", {\"class\": \"well col-md-8 col-md-offset-0\"})"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 6,
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"id": "e134d6be-e32a-4cd7-91da-9ba359870e3f",
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"dict_keys(['Video', 'Audio', 'Data', 'Power'])"
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]
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},
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"execution_count": 6,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"a = {\n",
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" e.h2.string: e for e\n",
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" in central_div.find_all('div', id=lambda x: x != 'table_of_contents')\n",
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" if e.h2 is not None}\n",
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"a.keys()"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 7,
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"id": "80ba6ebb-d679-4767-8917-348fe441f185",
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"dict_keys(['Analog Video', 'Digital Video', 'Integrated Video'])"
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]
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},
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"execution_count": 7,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"b = {e.h3.string: e for e in\n",
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" a['Video'].find_all(\"div\", {\"class\": \"well\"})\n",
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" if e.find_all('h3', id=lambda x: x is not None)}\n",
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"b.keys()"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 8,
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"id": "d414e989-ba00-4a60-a357-571286f36276",
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"dict_keys(['composite', 'component_ypbpr', 's-video', 'yc-688', 'rgbs', 'rgbvh'])"
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]
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},
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"execution_count": 8,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"c = {\n",
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" e.h4['id']:e for e in\n",
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" b['Analog Video'].find_all(\"div\", {\"class\": \"well\"})\n",
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" if e.h4 is not None}\n",
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"c.keys()"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 9,
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"id": "97b1f814-c16e-42d3-96ff-b2faa27d5830",
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"dict_keys(['Composite RCA', 'Composite BNC', 'Composite UHF', 'Composite F-Type', 'Composite Video Patch (MUSA)', 'Composite 8-pin EIAJ', 'Composite SCART'])"
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]
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},
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"execution_count": 9,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"d = {e.h3.string: e.p.string for e\n",
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" in c['composite'].find_all(\"div\", {\"class\": \"modal fade\"})}\n",
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"d.keys()"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 12,
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"id": "2fca9ace-a92f-4eda-adbe-d20c845f2cd5",
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"metadata": {},
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"outputs": [
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{
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"data": {
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"application/javascript": [
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"$(document).ready(\n",
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" function() {\n",
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" function appendUniqueDiv(){\n",
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" // append a div with our uuid so we can check that it's already\n",
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" // been sent and avoid duplicates on page reload\n",
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" var notifiedDiv = document.createElement(\"div\")\n",
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" notifiedDiv.id = \"53b8a038-c6fd-4ea1-b291-5403fb3b742d\"\n",
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" element.append(notifiedDiv)\n",
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" }\n",
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"\n",
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" // only send notifications if the pageload is complete; this will\n",
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" // help stop extra notifications when a saved notebook is loaded,\n",
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" // which during testing gives us state \"interactive\", not \"complete\"\n",
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" if (document.readyState === 'complete') {\n",
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" // check for the div that signifies that the notification\n",
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" // was already sent\n",
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" if (document.getElementById(\"53b8a038-c6fd-4ea1-b291-5403fb3b742d\") === null) {\n",
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" var notificationPayload = {\"requireInteraction\": false, \"icon\": \"/static/base/images/favicon.ico\", \"body\": \"Cell execution has finished!\", \"only_in_background\": false};\n",
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"\n",
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" // We have a notification but the window is active\n",
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" if (notificationPayload.only_in_background && !window.jupyterNotifyIsInBackground) {\n",
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" appendUniqueDiv();\n",
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" return;\n",
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" }\n",
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" if (Notification.permission !== 'denied') {\n",
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" if (Notification.permission !== 'granted') { \n",
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" Notification.requestPermission(function (permission) {\n",
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" if(!('permission' in Notification)) {\n",
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" Notification.permission = permission\n",
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" }\n",
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" })\n",
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" }\n",
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" if (Notification.permission === 'granted') {\n",
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" var notification = new Notification(\"Jupyter Notebook\", notificationPayload)\n",
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" appendUniqueDiv()\n",
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" notification.onclick = function () {\n",
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" window.focus();\n",
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" this.close();\n",
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" };\n",
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" } \n",
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" } \n",
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" }\n",
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" }\n",
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" }\n",
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")\n"
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],
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"text/plain": [
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"<IPython.core.display.Javascript object>"
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]
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},
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"metadata": {},
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"output_type": "display_data"
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}
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],
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"source": [
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"%notify"
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]
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3 (ipykernel)",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.8.10"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 5
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}
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