mirror of
https://github.com/searxng/searxng
synced 2024-01-01 18:24:07 +00:00
[mod] google - get_lang_info add documentataion & comments
BTW: remove obsolete log messages from google engine Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
This commit is contained in:
parent
1c67b6aece
commit
1ac3961336
@ -134,42 +134,113 @@ spelling_suggestion_xpath = '//div[@class="med"]/p/a'
|
|||||||
|
|
||||||
|
|
||||||
def get_lang_info(params, lang_list, custom_aliases, supported_any_language):
|
def get_lang_info(params, lang_list, custom_aliases, supported_any_language):
|
||||||
ret_val = {}
|
"""Composing various language properties for the google engines.
|
||||||
|
|
||||||
|
This function is called by the various google engines (google itself,
|
||||||
|
google-images, -news, -scholar, -videos).
|
||||||
|
|
||||||
|
:param dict param: request parameters of the engine
|
||||||
|
|
||||||
|
:param list lang_list: list of supported languages of the engine
|
||||||
|
:py:obj:`ENGINES_LANGUAGES[engine-name] <searx.data.ENGINES_LANGUAGES>`
|
||||||
|
|
||||||
|
:param dict lang_list: custom aliases for non standard language codes
|
||||||
|
(used when calling :py:func:`searx.utils.match_language)
|
||||||
|
|
||||||
|
:param bool supported_any_language: When a language is not specified, the
|
||||||
|
language interpretation is left up to Google to decide how the search
|
||||||
|
results should be delivered. This argument is ``True`` for the google
|
||||||
|
engine and ``False`` for the other engines (google-images, -news,
|
||||||
|
-scholar, -videos).
|
||||||
|
|
||||||
|
:rtype: dict
|
||||||
|
:returns:
|
||||||
|
Py-Dictionary with the key/value pairs:
|
||||||
|
|
||||||
|
language:
|
||||||
|
Return value from :py:func:`searx.utils.match_language
|
||||||
|
|
||||||
|
country:
|
||||||
|
The country code (e.g. US, AT, CA, FR, DE ..)
|
||||||
|
|
||||||
|
subdomain:
|
||||||
|
Google subdomain :py:obj:`google_domains` that fits to the country
|
||||||
|
code.
|
||||||
|
|
||||||
|
params:
|
||||||
|
Py-Dictionary with additional request arguments (can be passed to
|
||||||
|
:py:func:`urllib.parse.urlencode`).
|
||||||
|
|
||||||
|
headers:
|
||||||
|
Py-Dictionary with additional HTTP headers (can be passed to
|
||||||
|
request's headers)
|
||||||
|
"""
|
||||||
|
ret_val = {
|
||||||
|
'language' : None,
|
||||||
|
'country' : None,
|
||||||
|
'subdomain' : None,
|
||||||
|
'params' : {},
|
||||||
|
'headers' : {},
|
||||||
|
}
|
||||||
|
|
||||||
|
# language ...
|
||||||
|
|
||||||
_lang = params['language']
|
_lang = params['language']
|
||||||
_any_language = _lang.lower() == 'all'
|
_any_language = _lang.lower() == 'all'
|
||||||
if _any_language:
|
if _any_language:
|
||||||
_lang = 'en-US'
|
_lang = 'en-US'
|
||||||
|
|
||||||
language = match_language(_lang, lang_list, custom_aliases)
|
language = match_language(_lang, lang_list, custom_aliases)
|
||||||
ret_val['language'] = language
|
ret_val['language'] = language
|
||||||
|
|
||||||
# the requested language from params (en, en-US, de, de-AT, fr, fr-CA, ...)
|
# country ...
|
||||||
_l = _lang.split('-')
|
|
||||||
|
|
||||||
# the country code (US, AT, CA)
|
_l = _lang.split('-')
|
||||||
if len(_l) == 2:
|
if len(_l) == 2:
|
||||||
country = _l[1]
|
country = _l[1]
|
||||||
else:
|
else:
|
||||||
country = _l[0].upper()
|
country = _l[0].upper()
|
||||||
if country == 'EN':
|
if country == 'EN':
|
||||||
country = 'US'
|
country = 'US'
|
||||||
|
|
||||||
ret_val['country'] = country
|
ret_val['country'] = country
|
||||||
|
|
||||||
# the combination (en-US, en-EN, de-DE, de-AU, fr-FR, fr-FR)
|
# subdomain ...
|
||||||
lang_country = '%s-%s' % (language, country)
|
|
||||||
|
|
||||||
# subdomain
|
|
||||||
ret_val['subdomain'] = 'www.' + google_domains.get(country.upper(), 'google.com')
|
ret_val['subdomain'] = 'www.' + google_domains.get(country.upper(), 'google.com')
|
||||||
|
|
||||||
ret_val['params'] = {}
|
# params & headers
|
||||||
ret_val['headers'] = {}
|
|
||||||
|
lang_country = '%s-%s' % (language, country) # (en-US, en-EN, de-DE, de-AU, fr-FR ..)
|
||||||
|
|
||||||
|
# hl parameter:
|
||||||
|
# https://developers.google.com/custom-search/docs/xml_results#hlsp The
|
||||||
|
# Interface Language:
|
||||||
|
# https://developers.google.com/custom-search/docs/xml_results_appendices#interfaceLanguages
|
||||||
|
|
||||||
|
ret_val['params']['hl'] = lang_list.get(lang_country, language)
|
||||||
|
|
||||||
|
# lr parameter:
|
||||||
|
# The lr (language restrict) parameter restricts search results to
|
||||||
|
# documents written in a particular language.
|
||||||
|
# https://developers.google.com/custom-search/docs/xml_results#lrsp
|
||||||
|
# Language Collection Values:
|
||||||
|
# https://developers.google.com/custom-search/docs/xml_results_appendices#languageCollections
|
||||||
|
|
||||||
if _any_language and supported_any_language:
|
if _any_language and supported_any_language:
|
||||||
# based on whoogle
|
|
||||||
|
# interpretation is left up to Google (based on whoogle)
|
||||||
|
#
|
||||||
|
# - add parameter ``source=lnt``
|
||||||
|
# - don't use parameter ``lr``
|
||||||
|
# - don't add a ``Accept-Language`` HTTP header.
|
||||||
|
|
||||||
ret_val['params']['source'] = 'lnt'
|
ret_val['params']['source'] = 'lnt'
|
||||||
|
|
||||||
else:
|
else:
|
||||||
|
|
||||||
|
# restricts search results to documents written in a particular
|
||||||
|
# language.
|
||||||
|
ret_val['params']['lr'] = "lang_" + lang_list.get(lang_country, language)
|
||||||
|
|
||||||
# Accept-Language: fr-CH, fr;q=0.8, en;q=0.6, *;q=0.5
|
# Accept-Language: fr-CH, fr;q=0.8, en;q=0.6, *;q=0.5
|
||||||
ret_val['headers']['Accept-Language'] = ','.join([
|
ret_val['headers']['Accept-Language'] = ','.join([
|
||||||
lang_country,
|
lang_country,
|
||||||
@ -178,18 +249,6 @@ def get_lang_info(params, lang_list, custom_aliases, supported_any_language):
|
|||||||
'*;q=0.5',
|
'*;q=0.5',
|
||||||
])
|
])
|
||||||
|
|
||||||
# lr parameter:
|
|
||||||
# https://developers.google.com/custom-search/docs/xml_results#lrsp
|
|
||||||
# Language Collection Values:
|
|
||||||
# https://developers.google.com/custom-search/docs/xml_results_appendices#languageCollections
|
|
||||||
ret_val['params']['lr'] = "lang_" + lang_list.get(lang_country, language)
|
|
||||||
|
|
||||||
ret_val['params']['hl'] = lang_list.get(lang_country, language)
|
|
||||||
|
|
||||||
# hl parameter:
|
|
||||||
# https://developers.google.com/custom-search/docs/xml_results#hlsp The
|
|
||||||
# Interface Language:
|
|
||||||
# https://developers.google.com/custom-search/docs/xml_results_appendices#interfaceLanguages
|
|
||||||
return ret_val
|
return ret_val
|
||||||
|
|
||||||
def detect_google_sorry(resp):
|
def detect_google_sorry(resp):
|
||||||
@ -220,11 +279,8 @@ def request(query, params):
|
|||||||
query_url += '&' + urlencode({'tbs': 'qdr:' + time_range_dict[params['time_range']]})
|
query_url += '&' + urlencode({'tbs': 'qdr:' + time_range_dict[params['time_range']]})
|
||||||
if params['safesearch']:
|
if params['safesearch']:
|
||||||
query_url += '&' + urlencode({'safe': filter_mapping[params['safesearch']]})
|
query_url += '&' + urlencode({'safe': filter_mapping[params['safesearch']]})
|
||||||
|
|
||||||
logger.debug("query_url --> %s", query_url)
|
|
||||||
params['url'] = query_url
|
params['url'] = query_url
|
||||||
|
|
||||||
logger.debug("HTTP header Accept-Language --> %s", lang_info.get('Accept-Language'))
|
|
||||||
params['headers'].update(lang_info['headers'])
|
params['headers'].update(lang_info['headers'])
|
||||||
params['headers']['Accept'] = (
|
params['headers']['Accept'] = (
|
||||||
'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8'
|
'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8'
|
||||||
|
Loading…
Reference in New Issue
Block a user