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[fix] drop mullvad-leta engine (#5428)
On 2025 November 27th, Mullvad will be shutting down the Leta servers. For this reason, we also need to remove this engine from SearXNG. [1] https://mullvad.net/en/blog/shutting-down-our-search-proxy-leta
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.. _voidlinux mullvad_leta:
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============
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Mullvad-Leta
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============
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.. automodule:: searx.engines.mullvad_leta
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:members:
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@ -1,276 +0,0 @@
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# SPDX-License-Identifier: AGPL-3.0-or-later
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"""Mullvad Leta is a search engine proxy. Currently Leta only offers text
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search results not image, news or any other types of search result. Leta acts
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as a proxy to Google and Brave search results. You can select which backend
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search engine you wish to use, see (:py:obj:`leta_engine`).
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.. hint::
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Leta caches each search for up to 30 days. For example, if you use search
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terms like ``news``, contrary to your intention you'll get very old results!
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Configuration
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=============
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The engine has the following additional settings:
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- :py:obj:`leta_engine` (:py:obj:`LetaEnginesType`)
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You can configure one Leta engine for Google and one for Brave:
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.. code:: yaml
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- name: mullvadleta
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engine: mullvad_leta
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leta_engine: google
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shortcut: ml
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- name: mullvadleta brave
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engine: mullvad_leta
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network: mullvadleta # use network from engine "mullvadleta" configured above
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leta_engine: brave
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shortcut: mlb
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Implementations
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===============
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"""
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import typing as t
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from urllib.parse import urlencode
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import babel
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from httpx import Response
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from lxml import html
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from searx.enginelib.traits import EngineTraits
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from searx.extended_types import SXNG_Response
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from searx.locales import get_official_locales, language_tag, region_tag
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from searx.utils import eval_xpath_list
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from searx.result_types import EngineResults, MainResult
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from searx.network import raise_for_httperror
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search_url = "https://leta.mullvad.net"
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# about
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about = {
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"website": search_url,
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"wikidata_id": 'Q47008412', # the Mullvad id - not leta, but related
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"official_api_documentation": 'https://leta.mullvad.net/faq',
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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 = ["general", "web"]
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paging = True
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max_page = 10
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time_range_support = True
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time_range_dict = {
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"day": "d",
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"week": "w",
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"month": "m",
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"year": "y",
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}
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LetaEnginesType = t.Literal["google", "brave"]
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"""Engine types supported by mullvadleta."""
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leta_engine: LetaEnginesType = "google"
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"""Select Leta's engine type from :py:obj:`LetaEnginesType`."""
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def init(_):
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l = t.get_args(LetaEnginesType)
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if leta_engine not in l:
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raise ValueError(f"leta_engine '{leta_engine}' is invalid, use one of {', '.join(l)}")
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class DataNodeQueryMetaDataIndices(t.TypedDict):
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"""Indices into query metadata."""
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success: int
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q: int # pylint: disable=invalid-name
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country: int
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language: int
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lastUpdated: int
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engine: int
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items: int
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infobox: int
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news: int
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timestamp: int
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altered: int
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page: int
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next: int # if -1, there no more results are available
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previous: int
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class DataNodeResultIndices(t.TypedDict):
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"""Indices into query resultsdata."""
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link: int
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snippet: int
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title: int
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favicon: int
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def request(query: str, params: dict[str, t.Any]) -> None:
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params["raise_for_httperror"] = False
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params["method"] = "GET"
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args = {
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"q": query,
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"engine": leta_engine,
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"x-sveltekit-invalidated": "001", # hardcoded from all requests seen
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}
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country = traits.get_region(params.get("searxng_locale"), traits.all_locale) # type: ignore
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if country:
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args["country"] = country
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language = traits.get_language(params.get("searxng_locale"), traits.all_locale) # type: ignore
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if language:
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args["language"] = language
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if params["time_range"] in time_range_dict:
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args["lastUpdated"] = time_range_dict[params["time_range"]]
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if params["pageno"] > 1:
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args["page"] = params["pageno"]
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params["url"] = f"{search_url}/search/__data.json?{urlencode(args)}"
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def response(resp: SXNG_Response) -> EngineResults:
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results = EngineResults()
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if resp.status_code in (403, 429):
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# It doesn't matter if you're using Mullvad's VPN and a proper browser,
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# you'll still get blocked for specific searches with a 403 or 429 HTTP
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# status code.
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# https://github.com/searxng/searxng/issues/5328#issue-3518337233
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return results
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# raise for other errors
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raise_for_httperror(resp)
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json_response = resp.json()
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nodes = json_response["nodes"]
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# 0: is None
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# 1: has "connected=True", not useful
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# 2: query results within "data"
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data_nodes = nodes[2]["data"]
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# Instead of nested object structure, all objects are flattened into a
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# list. Rather, the first object in data_node provides indices into the
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# "data_nodes" to access each searchresult (which is an object of more
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# indices)
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#
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# Read the relative TypedDict definitions for details
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query_meta_data: DataNodeQueryMetaDataIndices = data_nodes[0]
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query_items_indices = query_meta_data["items"]
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for idx in data_nodes[query_items_indices]:
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query_item_indices: DataNodeResultIndices = data_nodes[idx]
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results.add(
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MainResult(
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url=data_nodes[query_item_indices["link"]],
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title=data_nodes[query_item_indices["title"]],
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content=data_nodes[query_item_indices["snippet"]],
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)
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)
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return results
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def fetch_traits(engine_traits: EngineTraits) -> None:
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"""Fetch languages and regions from Mullvad-Leta"""
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def extract_table_data(table):
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for row in table.xpath(".//tr")[2:]:
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cells = row.xpath(".//td | .//th") # includes headers and data
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if len(cells) > 1: # ensure the column exists
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cell0 = cells[0].text_content().strip()
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cell1 = cells[1].text_content().strip()
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yield [cell0, cell1]
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# pylint: disable=import-outside-toplevel
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# see https://github.com/searxng/searxng/issues/762
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from searx.network import get as http_get
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# pylint: enable=import-outside-toplevel
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resp = http_get(f"{search_url}/documentation")
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if not isinstance(resp, Response):
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print("ERROR: failed to get response from mullvad-leta. Are you connected to the VPN?")
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return
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if not resp.ok:
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print("ERROR: response from mullvad-leta is not OK. Are you connected to the VPN?")
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return
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dom = html.fromstring(resp.text)
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# There are 4 HTML tables on the documentation page for extracting information:
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# 0. Keyboard Shortcuts
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# 1. Query Parameters (shoutout to Mullvad for accessible docs for integration)
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# 2. Country Codes [Country, Code]
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# 3. Language Codes [Language, Code]
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tables = eval_xpath_list(dom.body, "//table")
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if tables is None or len(tables) <= 0:
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print("ERROR: could not find any tables. Was the page updated?")
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language_table = tables[3]
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lang_map = {
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"zh-hant": "zh_Hans",
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"zh-hans": "zh_Hant",
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"jp": "ja",
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}
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for language, code in extract_table_data(language_table):
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locale_tag = lang_map.get(code, code).replace("-", "_") # type: ignore
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try:
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locale = babel.Locale.parse(locale_tag)
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except babel.UnknownLocaleError:
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print(f"ERROR: Mullvad-Leta language {language} ({code}) is unknown by babel")
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continue
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sxng_tag = language_tag(locale)
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engine_traits.languages[sxng_tag] = code
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country_table = tables[2]
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country_map = {
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"cn": "zh-CN",
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"hk": "zh-HK",
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"jp": "ja-JP",
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"my": "ms-MY",
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"tw": "zh-TW",
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"uk": "en-GB",
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"us": "en-US",
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}
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for country, code in extract_table_data(country_table):
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sxng_tag = country_map.get(code)
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if sxng_tag:
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engine_traits.regions[sxng_tag] = code
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continue
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try:
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locale = babel.Locale.parse(f"{code.lower()}_{code.upper()}")
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except babel.UnknownLocaleError:
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locale = None
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if locale:
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engine_traits.regions[region_tag(locale)] = code
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continue
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official_locales = get_official_locales(code, engine_traits.languages.keys(), regional=True)
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if not official_locales:
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print(f"ERROR: Mullvad-Leta country '{code}' ({country}) could not be mapped as expected.")
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continue
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for locale in official_locales:
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engine_traits.regions[region_tag(locale)] = code
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@ -1426,22 +1426,6 @@ engines:
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require_api_key: false
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results: JSON
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# https://docs.searxng.org/dev/engines/online/mullvad_leta.html
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- name: mullvadleta
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engine: mullvad_leta
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disabled: true
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leta_engine: google
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categories: [general, web]
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shortcut: ml
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- name: mullvadleta brave
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engine: mullvad_leta
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network: mullvadleta
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disabled: true
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leta_engine: brave
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categories: [general, web]
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shortcut: mlb
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- name: odysee
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engine: odysee
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shortcut: od
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