mirror of
https://github.com/searxng/searxng.git
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118 lines
3.9 KiB
Python
118 lines
3.9 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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# lint: pylint
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"""Anna's Archive
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"""
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from typing import List, Dict, Any, Optional
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from urllib.parse import quote
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from lxml import html
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from searx.utils import extract_text, eval_xpath, eval_xpath_list
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from searx.enginelib.traits import EngineTraits
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# about
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about: Dict[str, Any] = {
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"website": "https://annas-archive.org/",
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"wikidata_id": "Q115288326",
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"official_api_documentation": None,
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"use_official_api": False,
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"require_api_key": False,
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"results": "HTML",
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}
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# engine dependent config
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categories: List[str] = ["files"]
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paging: bool = False
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# search-url
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base_url: str = "https://annas-archive.org"
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# xpath queries
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xpath_results: str = '//main//a[starts-with(@href,"/md5")]'
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xpath_url: str = ".//@href"
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xpath_title: str = ".//h3/text()[1]"
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xpath_authors: str = './/div[contains(@class, "italic")]'
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xpath_publisher: str = './/div[contains(@class, "text-sm")]'
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xpath_file_info: str = './/div[contains(@class, "text-xs")]'
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def request(query, params: Dict[str, Any]) -> Dict[str, Any]:
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search_url: str = base_url + "/search?q={search_query}&lang={lang}"
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lang: str = ""
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if params["language"] != "all":
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lang = params["language"]
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params["url"] = search_url.format(search_query=quote(query), lang=lang)
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return params
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def response(resp) -> List[Dict[str, Optional[str]]]:
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results: List[Dict[str, Optional[str]]] = []
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dom = html.fromstring(resp.text)
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for item in dom.xpath(xpath_results):
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result: Dict[str, Optional[str]] = {}
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result["url"] = base_url + item.xpath(xpath_url)[0]
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result["title"] = extract_text(eval_xpath(item, xpath_title))
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result["content"] = "{publisher}. {authors}. {file_info}".format(
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authors=extract_text(eval_xpath(item, xpath_authors)),
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publisher=extract_text(eval_xpath(item, xpath_publisher)),
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file_info=extract_text(eval_xpath(item, xpath_file_info)),
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)
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results.append(result)
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return results
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def fetch_traits(engine_traits: EngineTraits):
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"""Fetch languages and other search arguments from Anna's search form."""
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# pylint: disable=import-outside-toplevel
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import babel
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from searx.network import get # see https://github.com/searxng/searxng/issues/762
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from searx.locales import language_tag
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engine_traits.all_locale = ''
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engine_traits.custom['content'] = []
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engine_traits.custom['ext'] = []
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engine_traits.custom['sort'] = []
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resp = get(base_url + '/search')
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if not resp.ok: # type: ignore
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raise RuntimeError("Response from Anna's search page is not OK.")
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dom = html.fromstring(resp.text) # type: ignore
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# supported language codes
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lang_map = {}
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for x in eval_xpath_list(dom, "//form//select[@name='lang']//option"):
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eng_lang = x.get("value")
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if eng_lang in ('', '_empty', 'nl-BE', 'und'):
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continue
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try:
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locale = babel.Locale.parse(lang_map.get(eng_lang, eng_lang), sep='-')
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except babel.UnknownLocaleError:
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# silently ignore unknown languages
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# print("ERROR: %s -> %s is unknown by babel" % (x.get("data-name"), eng_lang))
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continue
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sxng_lang = language_tag(locale)
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conflict = engine_traits.languages.get(sxng_lang)
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if conflict:
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if conflict != eng_lang:
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print("CONFLICT: babel %s --> %s, %s" % (sxng_lang, conflict, eng_lang))
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continue
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engine_traits.languages[sxng_lang] = eng_lang
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for x in eval_xpath_list(dom, "//form//select[@name='content']//option"):
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engine_traits.custom['content'].append(x.get("value"))
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for x in eval_xpath_list(dom, "//form//select[@name='ext']//option"):
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engine_traits.custom['ext'].append(x.get("value"))
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for x in eval_xpath_list(dom, "//form//select[@name='sort']//option"):
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engine_traits.custom['sort'].append(x.get("value"))
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