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from searx.exceptions import SearxParameterException
from searx.query import RawTextQuery, VALID_LANGUAGE_CODE
from searx.engines import categories, engines
from searx.search import SearchQuery, EngineRef
# remove duplicate queries.
# FIXME: does not fix "!music !soundcloud", because the categories are 'none' and 'music'
def deduplicate_engineref_list(engineref_list):
engineref_dict = {q.category + '|' + q.name: q for q in engineref_list}
return engineref_dict.values()
def get_search_query_from_webapp(preferences, form):
# no text for the query ?
if not form.get('q'):
raise SearxParameterException('q', '')
# set blocked engines
disabled_engines = preferences.engines.get_disabled()
# parse query, if tags are set, which change
# the serch engine or search-language
raw_text_query = RawTextQuery(form['q'], disabled_engines)
# set query
query = raw_text_query.getQuery()
# get and check page number
pageno_param = form.get('pageno', '1')
if not pageno_param.isdigit() or int(pageno_param) < 1:
raise SearxParameterException('pageno', pageno_param)
query_pageno = int(pageno_param)
# get language
# set specific language if set on request, query or preferences
# TODO support search with multible languages
if len(raw_text_query.languages):
query_lang = raw_text_query.languages[-1]
elif 'language' in form:
query_lang = form.get('language')
else:
query_lang = preferences.get_value('language')
# check language
if not VALID_LANGUAGE_CODE.match(query_lang):
raise SearxParameterException('language', query_lang)
# get safesearch
if 'safesearch' in form:
query_safesearch = form.get('safesearch')
# first check safesearch
if not query_safesearch.isdigit():
raise SearxParameterException('safesearch', query_safesearch)
query_safesearch = int(query_safesearch)
else:
query_safesearch = preferences.get_value('safesearch')
# safesearch : second check
if query_safesearch < 0 or query_safesearch > 2:
raise SearxParameterException('safesearch', query_safesearch)
# get time_range
query_time_range = form.get('time_range')
# check time_range
if query_time_range not in ('None', None, '', 'day', 'week', 'month', 'year'):
raise SearxParameterException('time_range', query_time_range)
# query_engines
query_engineref_list = raw_text_query.enginerefs
# timeout_limit
query_timeout = raw_text_query.timeout_limit
if query_timeout is None and 'timeout_limit' in form:
raw_time_limit = form.get('timeout_limit')
if raw_time_limit in ['None', '']:
raw_time_limit = None
else:
try:
query_timeout = float(raw_time_limit)
except ValueError:
raise SearxParameterException('timeout_limit', raw_time_limit)
# query_categories
query_categories = []
# if engines are calculated from query,
# set categories by using that informations
if query_engineref_list and raw_text_query.specific:
additional_categories = set()
for engineref in query_engineref_list:
if engineref.from_bang:
additional_categories.add('none')
else:
additional_categories.add(engineref.category)
query_categories = list(additional_categories)
# otherwise, using defined categories to
# calculate which engines should be used
else:
# set categories/engines
load_default_categories = True
for pd_name, pd in form.items():
if pd_name == 'categories':
query_categories.extend(categ for categ in map(str.strip, pd.split(',')) if categ in categories)
elif pd_name == 'engines':
pd_engines = [EngineRef(engineref, engines[engineref].categories[0])
for engine in map(str.strip, pd.split(',')) if engine in engines]
if pd_engines:
query_engineref_list.extend(pd_engines)
load_default_categories = False
elif pd_name.startswith('category_'):
category = pd_name[9:]
# if category is not found in list, skip
if category not in categories:
continue
if pd != 'off':
# add category to list
query_categories.append(category)
elif category in query_categories:
# remove category from list if property is set to 'off'
query_categories.remove(category)
if not load_default_categories:
if not query_categories:
query_categories = list(set(engine['category']
for engine in query_engineref_list))
else:
# if no category is specified for this search,
# using user-defined default-configuration which
# (is stored in cookie)
if not query_categories:
cookie_categories = preferences.get_value('categories')
for ccateg in cookie_categories:
if ccateg in categories:
query_categories.append(ccateg)
# if still no category is specified, using general
# as default-category
if not query_categories:
query_categories = ['general']
# using all engines for that search, which are
# declared under the specific categories
for categ in query_categories:
query_engineref_list.extend(EngineRef(engine.name, categ)
for engine in categories[categ]
if (engine.name, categ) not in disabled_engines)
query_engineref_list = deduplicate_engineref_list(query_engineref_list)
external_bang = raw_text_query.external_bang
return (SearchQuery(query, query_engineref_list, query_categories,
query_lang, query_safesearch, query_pageno,
query_time_range, query_timeout, preferences,
external_bang=external_bang),
raw_text_query)
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