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1073954fb7
* Pi's message. * Fix most everything. * Blacked * Add Typing, Docstrings everywhere, organize the code a bit. * Black * fix import * Update message, dedupe. * Increase backoff time. * bump up retries
146 lines
4.3 KiB
Python
146 lines
4.3 KiB
Python
"""Selenium web scraping module."""
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from selenium import webdriver
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import autogpt.processing.text as summary
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from bs4 import BeautifulSoup
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from selenium.webdriver.remote.webdriver import WebDriver
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from selenium.webdriver.common.by import By
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from selenium.webdriver.support.wait import WebDriverWait
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from selenium.webdriver.support import expected_conditions as EC
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from webdriver_manager.chrome import ChromeDriverManager
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from selenium.webdriver.chrome.options import Options
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import logging
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from pathlib import Path
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from autogpt.config import Config
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FILE_DIR = Path(__file__).parent.parent
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CFG = Config()
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def browse_website(url: str, question: str) -> tuple[str, WebDriver]:
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"""Browse a website and return the answer and links to the user
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Args:
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url (str): The url of the website to browse
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question (str): The question asked by the user
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Returns:
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tuple[str, WebDriver]: The answer and links to the user and the webdriver
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"""
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driver, text = scrape_text_with_selenium(url)
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add_header(driver)
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summary_text = summary.summarize_text(url, text, question, driver)
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links = scrape_links_with_selenium(driver)
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# Limit links to 5
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if len(links) > 5:
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links = links[:5]
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close_browser(driver)
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return f"Answer gathered from website: {summary_text} \n \n Links: {links}", driver
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def scrape_text_with_selenium(url: str) -> tuple[WebDriver, str]:
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"""Scrape text from a website using selenium
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Args:
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url (str): The url of the website to scrape
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Returns:
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tuple[WebDriver, str]: The webdriver and the text scraped from the website
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"""
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logging.getLogger("selenium").setLevel(logging.CRITICAL)
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options = Options()
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options.add_argument(
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"user-agent=Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36"
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" (KHTML, like Gecko) Chrome/112.0.5615.49 Safari/537.36"
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)
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driver = webdriver.Chrome(
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executable_path=ChromeDriverManager().install(), options=options
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)
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driver.get(url)
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WebDriverWait(driver, 10).until(
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EC.presence_of_element_located((By.TAG_NAME, "body"))
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)
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# Get the HTML content directly from the browser's DOM
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page_source = driver.execute_script("return document.body.outerHTML;")
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soup = BeautifulSoup(page_source, "html.parser")
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for script in soup(["script", "style"]):
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script.extract()
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text = soup.get_text()
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lines = (line.strip() for line in text.splitlines())
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chunks = (phrase.strip() for line in lines for phrase in line.split(" "))
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text = "\n".join(chunk for chunk in chunks if chunk)
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return driver, text
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def scrape_links_with_selenium(driver: WebDriver) -> list[str]:
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"""Scrape links from a website using selenium
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Args:
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driver (WebDriver): The webdriver to use to scrape the links
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Returns:
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list[str]: The links scraped from the website
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"""
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page_source = driver.page_source
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soup = BeautifulSoup(page_source, "html.parser")
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for script in soup(["script", "style"]):
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script.extract()
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hyperlinks = extract_hyperlinks(soup)
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return format_hyperlinks(hyperlinks)
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def close_browser(driver: WebDriver) -> None:
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"""Close the browser
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Args:
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driver (WebDriver): The webdriver to close
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Returns:
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None
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"""
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driver.quit()
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def extract_hyperlinks(soup: BeautifulSoup) -> list[tuple[str, str]]:
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"""Extract hyperlinks from a BeautifulSoup object
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Args:
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soup (BeautifulSoup): The BeautifulSoup object to extract the hyperlinks from
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Returns:
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list[tuple[str, str]]: The hyperlinks extracted from the BeautifulSoup object
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"""
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return [(link.text, link["href"]) for link in soup.find_all("a", href=True)]
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def format_hyperlinks(hyperlinks: list[tuple[str, str]]) -> list[str]:
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"""Format hyperlinks to be displayed to the user
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Args:
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hyperlinks (list[tuple[str, str]]): The hyperlinks to format
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Returns:
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list[str]: The formatted hyperlinks
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"""
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return [f"{link_text} ({link_url})" for link_text, link_url in hyperlinks]
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def add_header(driver: WebDriver) -> None:
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"""Add a header to the website
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Args:
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driver (WebDriver): The webdriver to use to add the header
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Returns:
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None
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"""
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driver.execute_script(open(f"{FILE_DIR}/js/overlay.js", "r").read())
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