Web-scraping-with-python Alternatives

web-scraping-with-python reviews and mentions

• Pyppeteer Tutorial: The Ultimate Guide to Using Puppeteer with Python
  5 projects | dev.to | 5 Feb 2024

  import asyncio import pytest from pyppeteer.errors import PageError from urllib.parse import quote import json import os import sys from os import environ from pyppeteer import connect, launch exec_platform = os.getenv('EXEC_PLATFORM') # Get username and access key of the LambdaTest Platform username = environ.get('LT_USERNAME', None) access_key = environ.get('LT_ACCESS_KEY', None) test1_url = 'https://ecommerce-playground.lambdatest.io/' test2_url = 'https://scrapingclub.com/exercise/list_infinite_scroll/' # Usecase - 1 # loc_ecomm_1 = ".order-1.col-lg-6 div:nth-of-type(1) > div:nth-of-type(1) > div:nth-of-type(1) > div:nth-of-type(1) > div:nth-of-type(1) div:nth-of-type(1) > img:nth-of-type(1)" loc_ecomm_1 = "[aria-label='1 / 2'] div:nth-of-type(1) > [alt='Nikon D300']" target_url_1 = "https://ecommerce-playground.lambdatest.io/index.php?route=product/product&product_id=63" # Usecase - 2 (Click on e-commerce sliding banner) loc_ecomm_2 = "[alt='Canon DSLR camera']" target_url_2 = "https://ecommerce-playground.lambdatest.io/index.php?route=product/product&product_id=30" # Usecase - 3 Automating interactions on https://scrapingclub.com/exercise/list_infinite_scroll/ loc_infinite_src_prod1 = ".grid .p-4 [href='/exercise/list_basic_detail/93926-C/']" target_url_3 = "https://scrapingclub.com/exercise/list_basic_detail/93926-C/" # Usecase - 4 Automating interactions on https://scrapingclub.com/exercise/list_infinite_scroll/ # when the images are lazy loaded loc_infinite_src_prod2 = "div:nth-of-type(31) > .p-4 [href='/exercise/list_basic_detail/94967-A/']" target_url_4 = "https://scrapingclub.com/exercise/list_basic_detail/94967-A/" # Set timeout in ms timeOut = 60000 async def scroll_to_element(page, selector): # Scroll until the element is detected await page.evaluateHandle( '''async (selector) => { const element = document.querySelector(selector); if (element) { element.scrollIntoView(); } }''', selector ) return selector async def scroll_carousel(page, scr_count): for scr in range(1, scr_count): elem_next_button = "#mz-carousel-213240 > ul li:nth-child(" + str(scr) + ")" await asyncio.sleep(1) elem_next_button = await page.querySelector(elem_next_button) await elem_next_button.click() # Replica of https://github.com/hjsblogger/web-scraping-with-python/blob/ # main/tests/beautiful-soup/test_infinite_scraping.py#L67C5-L80C18 async def scroll_end_of_page(page): start_height = await page.evaluate('document.documentElement.scrollHeight') while True: # Scroll to the bottom of the page await page.evaluate(f'window.scrollTo(0, {start_height})') # Wait for the content to load await asyncio.sleep(1) # Get the new scroll height scroll_height = await page.evaluate('document.documentElement.scrollHeight') if scroll_height == start_height: # If heights are the same, we reached the end of the page break # Add an additional wait await asyncio.sleep(2) start_height = scroll_height # Additional wait after scrolling await asyncio.sleep(2) @pytest.mark.asyncio @pytest.mark.order(1) async def test_lazy_load_ecomm_1(page): # The time out can be set using the setDefaultNavigationTimeout # It is primarily used for overriding the default page timeout of 30 seconds page.setDefaultNavigationTimeout(timeOut) await page.goto(test1_url, {'waitUntil': 'load', 'timeout': timeOut}) # Set the viewport - Apple MacBook Air 13-inch # Reference - https://codekbyte.com/devices-viewport-sizes/ # await page.setViewport({'width': 1440, 'height': 770}) await asyncio.sleep(2) if exec_platform == 'local': # Scroll until the element is detected elem_button = await scroll_to_element(page, loc_ecomm_1) # await page.click(elem_button) # Wait until the page is loaded # https://miyakogi.github.io/pyppeteer/reference.html#pyppeteer.page.Page.waitForNavigation navigationPromise = asyncio.ensure_future(page.waitForNavigation()) await page.click(elem_button) await navigationPromise elif exec_platform == 'cloud': elem_button = await page.waitForSelector(loc_ecomm_1, {'visible': True}) await asyncio.gather( elem_button.click(), page.waitForNavigation({'waitUntil': 'networkidle2', 'timeout': 30000}), ) # Assert if required, since the test is a simple one; we leave as is :D current_url = page.url print('Current URL is: ' + current_url) try: assert current_url == target_url_1 print("Test Success: Product checkout successful") except PageError as e: print("Test Failure: Could not checkout Product") print("Error Code" + str(e)) @pytest.mark.asyncio @pytest.mark.order(2) async def test_lazy_load_ecomm_2(page): carousel_len = 4 # The time out can be set using the setDefaultNavigationTimeout # It is primarily used for overriding the default page timeout of 30 seconds page.setDefaultNavigationTimeout(timeOut) await page.goto(test1_url, {'waitUntil': 'load', 'timeout': timeOut}) # Set the viewport - Apple MacBook Air 13-inch # Reference - https://codekbyte.com/devices-viewport-sizes/ # await page.setViewport({'width': 1440, 'height': 770}) await asyncio.sleep(2) # Approach 1: Directly click on the third button on the carousel # elem_carousel_banner = await page.querySelector("#mz-carousel-213240 > ul li:nth-child(3)") # await asyncio.sleep(1) # await elem_carousel_banner.click() # Approach 2 (Only for demo): Serially click on every button on carousel await scroll_carousel(page, carousel_len) await asyncio.sleep(1) # elem_prod_1 = await page.querySelector(loc_ecomm_2) elem_prod_1 = await page.waitForSelector(loc_ecomm_2, {'visible': True}) await asyncio.gather( elem_prod_1.click(), page.waitForNavigation({'waitUntil': 'networkidle2', 'timeout': 60000}), ) # Assert if required, since the test is a simple one; we leave as is :D current_url = page.url print('Current URL is: ' + current_url) try: assert current_url == target_url_2 print("Test Success: Product checkout successful") except PageError as e: print("Test Failure: Could not checkout Product") print("Error Code" + str(e)) @pytest.mark.asyncio @pytest.mark.order(3) async def test_lazy_load_infinite_scroll_1(page): # The time out can be set using the setDefaultNavigationTimeout # It is primarily used for overriding the default page timeout of 30 seconds page.setDefaultNavigationTimeout(timeOut) await page.goto(test2_url, {'waitUntil': 'load', 'timeout': timeOut}) # Set the viewport - Apple MacBook Air 13-inch # Reference - https://codekbyte.com/devices-viewport-sizes/ # await page.setViewport({'width': 1440, 'height': 770}) await asyncio.sleep(1) elem_prod1 = await page.querySelector(loc_infinite_src_prod1) await asyncio.gather( elem_prod1.click(), page.waitForNavigation({'waitUntil': 'networkidle2', 'timeout': 60000}), ) # await asyncio.sleep(1) # await elem_carousel_banner.click() # elem_button = scroll_to_element(page, loc_infinite_src_prod1) # print(elem_button) # await asyncio.sleep(2) # await elem_button.click() # Assert if required, since the test is a simple one; we leave as is :D current_url = page.url print('Current URL is: ' + current_url) try: assert current_url == target_url_3 print("Test Success: Product checkout successful") except PageError as e: print("Test Failure: Could not checkout Product") print("Error Code" + str(e)) @pytest.mark.asyncio @pytest.mark.order(4) async def test_lazy_load_infinite_scroll_2(page): # The time out can be set using the setDefaultNavigationTimeout # It is primarily used for overriding the default page timeout of 30 seconds page.setDefaultNavigationTimeout(timeOut) # Tested navigation using LambdaTest YouTube channel # await page.goto("https://www.youtube.com/@LambdaTest/videos", await page.goto(test2_url, {'waitUntil': 'load', 'timeout': timeOut}) # Set the viewport - Apple MacBook Air 13-inch # Reference - https://codekbyte.com/devices-viewport-sizes/ # await page.setViewport({'width': 1440, 'height': 770}) await asyncio.sleep(1) await scroll_end_of_page(page) await page.evaluate('window.scrollTo(0, 0)') await asyncio.sleep(1) # elem_prod = await page.querySelector(loc_infinite_src_prod2) # asyncio.sleep(1) # await asyncio.gather( # elem_prod.click(), # page.waitForNavigation({'waitUntil': 'load', 'timeout': 60000}), # ) elem_button = await scroll_to_element(page, loc_infinite_src_prod2) await asyncio.sleep(1) # await page.click(elem_button) await asyncio.gather( page.click(elem_button), page.waitForNavigation({'waitUntil': 'networkidle2', 'timeout': 60000}), ) # Assert if required, since the test is a simple one; we leave as is :D current_url = page.url print('Current URL is: ' + current_url) try: assert current_url == target_url_4 print("Test Success: Product checkout successful") except PageError as e: print("Test Failure: Could not checkout Product") print("Error Code" + str(e))

• Web Scraping with Python Tutorial - A Complete Guide with Examples
  1 project | dev.to | 22 Nov 2023

  The helpers.py file contains the core implementation for scraping the LambdaTest YouTube channel.