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ee959ed9fc
Fault pattern: if there are no offers, then an exception has been thrown:
IndexError: list index out of range
This patch makes the addition of “best price” dependent on whether one exists.
Closes: #3685
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
98 lines
2.8 KiB
Python
98 lines
2.8 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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"""Geizhals is a German website to compare the price of a product on the
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most common German shopping sites and find the lowest price.
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The sorting of the search results can be influenced by the following additions
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to the search term:
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``asc`` or ``price``
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To sort by price in ascending order.
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``desc``
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To sort by price in descending order.
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"""
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import re
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from urllib.parse import urlencode
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from lxml import html
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from searx.utils import eval_xpath, eval_xpath_list, extract_text
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about = {
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'website': 'https://geizhals.de',
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'wikidata_id': 'Q15977657',
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'use_official_api': False,
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'official_api_documentation': None,
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'require_api_key': False,
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'results': 'HTML',
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'language': 'de',
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}
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paging = True
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categories = ['shopping']
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base_url = "https://geizhals.de"
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sort_order = 'relevance'
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SORT_RE = re.compile(r"sort:(\w+)")
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sort_order_map = {
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'relevance': None,
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'price': 'p',
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'asc': 'p',
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'desc': '-p',
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}
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def request(query, params):
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sort = None
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sort_order_path = SORT_RE.search(query)
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if sort_order_path:
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sort = sort_order_map.get(sort_order_path.group(1))
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query = SORT_RE.sub("", query)
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logger.debug(query)
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args = {
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'fs': query,
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'pg': params['pageno'],
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'toggle_all': 1, # load item specs
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'sort': sort,
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}
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params['url'] = f"{base_url}/?{urlencode(args)}"
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return params
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def response(resp):
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results = []
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dom = html.fromstring(resp.text)
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for result in eval_xpath_list(dom, "//article[contains(@class, 'listview__item')]"):
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content = []
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for spec in eval_xpath_list(result, ".//div[contains(@class, 'specs-grid__item')]"):
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content.append(f"{extract_text(eval_xpath(spec, './dt'))}: {extract_text(eval_xpath(spec, './dd'))}")
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metadata = [
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extract_text(eval_xpath(result, ".//div[contains(@class, 'stars-rating-label')]")),
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extract_text(eval_xpath(result, ".//div[contains(@class, 'listview__offercount')]")),
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]
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item = {
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'template': 'products.html',
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'url': (
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base_url + "/" + extract_text(eval_xpath(result, ".//a[contains(@class, 'listview__name-link')]/@href"))
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),
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'title': extract_text(eval_xpath(result, ".//h3[contains(@class, 'listview__name')]")),
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'content': ' | '.join(content),
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'thumbnail': extract_text(eval_xpath(result, ".//img[contains(@class, 'listview__image')]/@src")),
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'metadata': ', '.join(item for item in metadata if item),
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}
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best_price = extract_text(eval_xpath(result, ".//a[contains(@class, 'listview__price-link')]")).split(" ")
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if len(best_price) > 1:
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item["price"] = f"Bestes Angebot: {best_price[1]}€"
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results.append(item)
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return results
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