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