146 lines
3.4 KiB
Python
146 lines
3.4 KiB
Python
"""script with functions for fetching product data from amazon"""
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import json
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import requests
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from bs4 import BeautifulSoup
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def fetch_url(url):
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"""fetch url and return response
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Args:
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url (String): url to fetch
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Returns:
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Text: html response from amazon
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Raises:
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None: None
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"""
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headers = {
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'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0'
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}
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response = requests.get(url, headers=headers)
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return response.text
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def get_title(response):
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"""Get title from response
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Args:
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response (Text): html response from amazon
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Returns:
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String: title of product
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Raises:
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None: None
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"""
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soup = BeautifulSoup(response, 'html.parser')
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title = soup.find_all("meta", attrs={'name': 'title'})
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if len(title) > 0:
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return title[0]["content"].split(":")[0].strip()
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else:
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return None
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def get_image(response, title):
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"""Get image urls from response
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Args:
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response (Text): html response from amazon
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title (String): title of product
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Returns:
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String: product image url
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Raises:
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None: None
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"""
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soup = BeautifulSoup(response, 'html.parser')
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images = soup.find_all("img", alt=lambda a: a == title.replace("&", "&"))
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if len(images) > 0:
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images = json.loads(images[0]["data-a-dynamic-image"])
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# Find largest image
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largest_image_url = None
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largest_image_size = 0
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for image in images:
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if largest_image_url is None and largest_image_size == 0 or images[image][0] > largest_image_size:
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largest_image_url = image
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largest_image_size = images[image][0]
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return largest_image_url
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else:
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return None
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def get_description(response):
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"""Get description from response
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Args:
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response (Text): html response from amazon
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Returns:
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String: product description
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Raises:
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None: None
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"""
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soup = BeautifulSoup(response, 'html.parser')
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description = soup.find_all("div", id="feature-bullets")
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ret = ""
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if len(description) > 0:
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for item in description[0].find_all("span"):
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if "um sicherzustellen, dass dieser Artikel passt." not in item.text and "›" not in item.text:
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ret += item.text.strip() + "\n"
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# Remove last newline and return
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return ret[:-1]
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else:
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return None
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def get_price(response):
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"""Get price from response
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Args:
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response (Text): html response from amazon
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Returns:
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Array: product price and currency
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Raises:
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None: None
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"""
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soup = BeautifulSoup(response, 'html.parser')
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price = soup.find_all("div", {"class": "twister-plus-buying-options-price-data"})
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if len(price) > 0:
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j = json.loads(price[0].text)
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if len(j) > 0:
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return [j[0]["priceAmount"], j[0]["currencySymbol"]]
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else:
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return None
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else:
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return None
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if __name__ == "__main__":
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"""Main function"""
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prod_src = fetch_url('https://www.amazon.de/dp/B082QDB6CG')
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print("Title: " + get_title(prod_src) + "\n")
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print("Image: " + get_image(prod_src, get_title(prod_src)) + "\n")
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print("Price: " + str(get_price(prod_src)) + "\n")
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print("Description: " + get_description(prod_src))
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