initial commit
This commit is contained in:
parent
033e935d5c
commit
cba5305d4a
5
.gitignore
vendored
Normal file
5
.gitignore
vendored
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@ -0,0 +1,5 @@
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.idea
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.ipynb_checkpoints
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__pycache__
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*.pyc
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ghostdriver.log
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211
Collect comments for one page.ipynb
Normal file
211
Collect comments for one page.ipynb
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@ -0,0 +1,211 @@
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{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": 1,
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"metadata": {},
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"outputs": [],
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"source": [
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"import selenium\n",
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"import time\n",
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"import datetime\n",
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"from selenium import webdriver\n",
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"from selenium.webdriver.common.desired_capabilities import DesiredCapabilities\n",
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"from bs4 import BeautifulSoup\n",
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"\n",
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"from IPython.display import display, Image, HTML\n",
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"\n",
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"from jupyter_progressbar import ProgressBar\n",
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"import json"
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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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"metadata": {},
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"outputs": [],
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"source": [
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"def remove_kickstarter_url_prefix(url):\n",
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" if url.startswith('https://www.kickstarter.com/'):\n",
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" return url[len('https://www.kickstarter.com'):]\n",
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" return url"
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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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"metadata": {},
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"outputs": [],
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"source": [
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"driver = webdriver.Chrome()\n",
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"\n",
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"root = 'https://www.kickstarter.com/'\n",
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"driver.get(root)\n",
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"\n",
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"discover_links = {\n",
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" link\n",
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" for link in driver.find_elements_by_tag_name('a')\n",
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" for link in [link.get_attribute('href')]\n",
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" for link in [remove_kickstarter_url_prefix(link)]\n",
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" if link.startswith(\"/discover/\")\n",
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"}\n",
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"\n",
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"driver.close()\n",
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"driver.quit()"
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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": 26,
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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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"Request-sent\n"
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]
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}
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],
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"source": [
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"try:\n",
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" driver.close()\n",
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" driver.quit()\n",
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"except Exception as e:\n",
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" print(e)\n",
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"\n",
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"driver = webdriver.Chrome()"
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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": 27,
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"metadata": {
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"scrolled": false
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},
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"outputs": [
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{
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"data": {
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"application/vnd.jupyter.widget-view+json": {
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"model_id": "990f33c96fef49aebb4caaf7df72e20f",
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"version_major": 2,
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"version_minor": 0
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},
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"text/html": [
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"<p>Failed to display Jupyter Widget of type <code>VBox</code>.</p>\n",
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"<p>\n",
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" If you're reading this message in the Jupyter Notebook or JupyterLab Notebook, it may mean\n",
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" that the widgets JavaScript is still loading. If this message persists, it\n",
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" likely means that the widgets JavaScript library is either not installed or\n",
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" not enabled. See the <a href=\"https://ipywidgets.readthedocs.io/en/stable/user_install.html\">Jupyter\n",
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" Widgets Documentation</a> for setup instructions.\n",
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"</p>\n",
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"<p>\n",
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" If you're reading this message in another frontend (for example, a static\n",
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" rendering on GitHub or <a href=\"https://nbviewer.jupyter.org/\">NBViewer</a>),\n",
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" it may mean that your frontend doesn't currently support widgets.\n",
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"</p>\n"
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],
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"text/plain": [
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"VBox(children=(HBox(children=(FloatProgress(value=0.0, max=1.0), HTML(value='<b>0</b>s passed', placeholder='0%'))), HTML(value='<b>0</b>% or <b>0</b> of <b>0</b> done', placeholder='0%')))"
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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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"ename": "KeyboardInterrupt",
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"evalue": "",
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"output_type": "error",
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"traceback": [
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"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
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"\u001b[0;31mKeyboardInterrupt\u001b[0m Traceback (most recent call last)",
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"\u001b[0;32m<ipython-input-27-9f1242042551>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[1;32m 35\u001b[0m \u001b[0;32mfor\u001b[0m \u001b[0mdiscover_link\u001b[0m \u001b[0;32min\u001b[0m \u001b[0mdiscover_links\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 36\u001b[0m \u001b[0mdriver\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mget\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mroot\u001b[0m \u001b[0;34m+\u001b[0m \u001b[0mdiscover_link\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 37\u001b[0;31m \u001b[0;32mfor\u001b[0m \u001b[0mproject\u001b[0m \u001b[0;32min\u001b[0m \u001b[0mProgressBar\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mget_all_projects\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mdriver\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 38\u001b[0m \u001b[0mprojects\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0mproject\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m'id'\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mproject\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 39\u001b[0m \u001b[0;32mbreak\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
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"\u001b[0;32m~/.virtualenvs/kickstarter/lib/python3.5/site-packages/jupyter_progressbar/__init__.py\u001b[0m in \u001b[0;36mProgressBar\u001b[0;34m(iter, size)\u001b[0m\n\u001b[1;32m 30\u001b[0m \u001b[0mtsq\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;36m0\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 31\u001b[0m \u001b[0mi\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;36m0\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 32\u001b[0;31m \u001b[0;32mfor\u001b[0m \u001b[0mi\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mitem\u001b[0m \u001b[0;32min\u001b[0m \u001b[0menumerate\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0miter\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mstart\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;36m1\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 33\u001b[0m \u001b[0;32mwhile\u001b[0m \u001b[0mi\u001b[0m \u001b[0;34m>\u001b[0m \u001b[0msize\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 34\u001b[0m \u001b[0msize\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0msize\u001b[0m \u001b[0;34m*\u001b[0m \u001b[0;36m2\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
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"\u001b[0;32m<ipython-input-27-9f1242042551>\u001b[0m in \u001b[0;36m__iter__\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m 28\u001b[0m \u001b[0;32myield\u001b[0m \u001b[0mproject\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 29\u001b[0m \u001b[0mn_wait\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;36m0\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 30\u001b[0;31m \u001b[0mtime\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0msleep\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;36m0.5\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 31\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 32\u001b[0m \u001b[0;32mdef\u001b[0m \u001b[0m__len__\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
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"\u001b[0;31mKeyboardInterrupt\u001b[0m: "
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]
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}
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],
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"source": [
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"projects = dict()\n",
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"\n",
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"class get_all_projects:\n",
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" def __init__(self, driver):\n",
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" self.driver = driver\n",
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" self.total_comments = next(\n",
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" int(element.text.replace(' projects', '').replace(',', ''))\n",
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" for element in driver.find_elements_by_class_name('count')\n",
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" if element.text.endswith(' projects')\n",
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" )\n",
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" \n",
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" def __iter__(self):\n",
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" done = set()\n",
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" driver.execute_script(\"$('.load_more > a').click()\")\n",
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" n_wait = 0\n",
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" \n",
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" while driver.execute_script(\"return $('.load_more > a').length\") > 0:\n",
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" n_wait += 1\n",
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" n_projects = driver.execute_script(\"return $('*[data-project]').length\")\n",
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" if n_projects > 0 or n_wait > 5:\n",
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" driver.execute_script(\"$('.load_more > a').click()\")\n",
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" \n",
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" for item in driver.find_elements_by_css_selector('*[data-project]'):\n",
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" project = json.loads(item.get_attribute('data-project'))\n",
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" if project['id'] not in done:\n",
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" done.add(project['id'])\n",
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" driver.execute_script('$(\"*[data-project_pid=%d]\").parent().remove()' % project['id'])\n",
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" yield project\n",
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" n_wait = 0\n",
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" time.sleep(0.5)\n",
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" \n",
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" def __len__(self):\n",
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" return self.total_comments\n",
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" \n",
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"for discover_link in discover_links:\n",
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" driver.get(root + discover_link)\n",
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" for project in ProgressBar(get_all_projects(driver)):\n",
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" projects[project['id']] = project\n",
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" break"
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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": 121,
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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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"https://www.kickstarter.com//discover/newest?ref=discovery_overlay\n"
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]
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}
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],
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"source": [
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"print(root + discover_link)\n"
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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",
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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": "3.5.2"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 2
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}
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1620
Get all comments for a project.ipynb
Normal file
1620
Get all comments for a project.ipynb
Normal file
File diff suppressed because it is too large
Load Diff
98
scrape.py
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98
scrape.py
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import base64
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import scrapy
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from scrapy_splash import SplashRequest
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class ExploreSpider(scrapy.Spider):
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name = 'explorespider'
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start_urls = ['https://www.kickstarter.com/']
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def start_requests(self):
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for url in self.start_urls:
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yield SplashRequest(url, self.parse_explore)
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def parse_explore(self, response):
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for link in response.xpath('//a/@href').extract():
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if link.startswith('https://www.kickstarter.com/'):
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link = link[len('https://www.kickstarter.com'):]
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if link.startswith("/discover/"):
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yield SplashRequest(
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'https://www.kickstarter.com' + link,
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self.parse_discover,
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endpoint='execute',
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args={'lua_source': """
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function main(splash)
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assert(splash:go(splash.args.url))
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assert(splash:wait(1))
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local n_comments = -1
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splash:runjs("$('.load_more > a').click()")
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assert(splash:wait(8))
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splash:runjs("$('.load_more > a').click()")
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assert(splash:wait(8))
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"""
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# while splash:evaljs("$('.load_more > a:visible').length") > 0 do
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# if (splash:evaljs("$('*[data-pid]').length") ~= n_comments) then
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# splash:runjs("$('.load_more > a').click()")
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# end
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# n_comments = splash:evaljs("$('*[data-pid]').length")
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# assert(splash:wait(0.5))
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# break
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# end
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"""
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return {
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n0 = splash:evaljs("$('.load_more > a:visible').length"),
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n1 = splash:evaljs("$('.load_more > a:visible').length") > 0,
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m = splash:evaljs("$('*[data-pid]').length"),
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html = splash:html(),
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}
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end
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"""}
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)
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return
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def parse_discover(self, response):
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print('*' * 60)
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# print(response.data.keys())
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print({k:v for k,v in response.data.items() if k != 'html'})
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print('*' * 60)
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return
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urls = set()
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for link in response.xpath('//a/@href').extract():
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if link.startswith('https://www.kickstarter.com/'):
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link = link[len('https://www.kickstarter.com'):]
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if link.startswith("/projects/"):
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urls.add('https://www.kickstarter.com' + link)
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yield SplashRequest(
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'https://www.kickstarter.com' + link,
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self.parse_project,
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args={'lua_source': """
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function main(splash)
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assert(splash:go(splash.args.url))
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assert(splash:wait(1))
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while splash:evaljs("$('.older_comments:visible').length") > 0 do
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print(splash:evaljs("$('.older_comments:visible').length"))
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if (splash:evaljs("$('li.comments').length") ~= n_comments) then
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splash:runjs("$('.older_comments').click()")
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end
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n_comments = splash:evaljs("$('li.comments').length")
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assert(splash:wait(0.5))
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end
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return {
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html = splash:html(),
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}
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end
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"""}
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)
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print('*'*20, response.url, len(urls), urls)
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def parse_project(self, response):
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print(response.url)
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15
settings.py
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15
settings.py
Normal file
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DOWNLOADER_MIDDLEWARES = {
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'scrapy_splash.SplashCookiesMiddleware': 723,
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'scrapy_splash.SplashMiddleware': 725,
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'scrapy.downloadermiddlewares.httpcompression.HttpCompressionMiddleware': 810,
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}
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SPLASH_URL = 'http://localhost:8050/'
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SPIDER_MIDDLEWARES = {
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'scrapy_splash.SplashDeduplicateArgsMiddleware': 100,
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}
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DUPEFILTER_CLASS = 'scrapy_splash.SplashAwareDupeFilter'
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HTTPCACHE_STORAGE = 'scrapy_splash.SplashAwareFSCacheStorage'
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||||
Loading…
Reference in New Issue
Block a user