mirror of https://github.com/searxng/searxng.git
[mod] searx.search.Search: split the search method into different methods
This commit is contained in:
Alexandre Flament
parent
ad0758e52a
commit
c4067a9d02
151
searx/search.py
151
searx/search.py
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@ -414,30 +414,86 @@ class Search:
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super().__init__()
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self.search_query = search_query
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self.result_container = ResultContainer()
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self.start_time = None
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self.actual_timeout = None
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# do search-request
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def search(self):
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global number_of_searches
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# Check if there is a external bang. After that we can stop because the search will terminate.
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def search_external_bang(self):
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"""
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Check if there is a external bang.
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If yes, update self.result_container and return True
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"""
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if self.search_query.external_bang:
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self.result_container.redirect_url = get_bang_url(self.search_query)
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# This means there was a valid bang and the
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# rest of the search does not need to be continued
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if isinstance(self.result_container.redirect_url, str):
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return self.result_container
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# start time
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start_time = time()
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return True
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return False
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# answeres ?
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def search_answerers(self):
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"""
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Check if an answer return a result.
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If yes, update self.result_container and return True
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"""
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answerers_results = ask(self.search_query)
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if answerers_results:
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for results in answerers_results:
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self.result_container.extend('answer', results)
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return self.result_container
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return True
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return False
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def _is_accepted(self, engine_name, engine):
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if not self.search_query.preferences.validate_token(engine):
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return False
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# skip suspended engines
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if engine.suspend_end_time >= time():
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logger.debug('Engine currently suspended: %s', engine_name)
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return False
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# if paging is not supported, skip
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if self.search_query.pageno > 1 and not engine.paging:
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return False
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# if time_range is not supported, skip
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if self.search_query.time_range and not engine.time_range_support:
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return False
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return True
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def _get_params(self, selected_engine, user_agent):
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if selected_engine['name'] not in engines:
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return None, None
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engine = engines[selected_engine['name']]
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if not self._is_accepted(selected_engine['name'], engine):
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return None, None
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# set default request parameters
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request_params = {}
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if not engine.offline:
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request_params = default_request_params()
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request_params['headers']['User-Agent'] = user_agent
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if hasattr(engine, 'language') and engine.language:
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request_params['language'] = engine.language
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else:
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request_params['language'] = self.search_query.lang
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request_params['safesearch'] = self.search_query.safesearch
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request_params['time_range'] = self.search_query.time_range
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request_params['category'] = selected_engine['category']
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request_params['pageno'] = self.search_query.pageno
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return request_params, engine.timeout
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# do search-request
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def _get_requests(self):
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global number_of_searches
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# init vars
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requests = []
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@ -449,59 +505,24 @@ class Search:
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# user_agent = request.headers.get('User-Agent', '')
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user_agent = gen_useragent()
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search_query = self.search_query
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# max of all selected engine timeout
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default_timeout = 0
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# start search-reqest for all selected engines
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for selected_engine in search_query.engines:
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if selected_engine['name'] not in engines:
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continue
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engine = engines[selected_engine['name']]
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if not search_query.preferences.validate_token(engine):
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continue
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# skip suspended engines
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if engine.suspend_end_time >= time():
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logger.debug('Engine currently suspended: %s', selected_engine['name'])
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continue
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# if paging is not supported, skip
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if search_query.pageno > 1 and not engine.paging:
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continue
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# if time_range is not supported, skip
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if search_query.time_range and not engine.time_range_support:
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continue
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for selected_engine in self.search_query.engines:
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# set default request parameters
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request_params = {}
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if not engine.offline:
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request_params = default_request_params()
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request_params['headers']['User-Agent'] = user_agent
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if hasattr(engine, 'language') and engine.language:
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request_params['language'] = engine.language
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else:
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request_params['language'] = search_query.lang
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request_params['safesearch'] = search_query.safesearch
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request_params['time_range'] = search_query.time_range
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request_params['category'] = selected_engine['category']
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request_params['pageno'] = search_query.pageno
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request_params, engine_timeout = self._get_params(selected_engine, user_agent)
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if request_params is None:
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continue
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# append request to list
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requests.append((selected_engine['name'], search_query.query, request_params))
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requests.append((selected_engine['name'], self.search_query.query, request_params))
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# update default_timeout
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default_timeout = max(default_timeout, engine.timeout)
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default_timeout = max(default_timeout, engine_timeout)
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# adjust timeout
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self.actual_timeout = default_timeout
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actual_timeout = default_timeout
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query_timeout = self.search_query.timeout_limit
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if max_request_timeout is None and query_timeout is None:
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@ -509,23 +530,41 @@ class Search:
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pass
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elif max_request_timeout is None and query_timeout is not None:
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# No max, but user query: From user query except if above default
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self.actual_timeout = min(default_timeout, query_timeout)
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actual_timeout = min(default_timeout, query_timeout)
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elif max_request_timeout is not None and query_timeout is None:
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# Max, no user query: Default except if above max
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self.actual_timeout = min(default_timeout, max_request_timeout)
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actual_timeout = min(default_timeout, max_request_timeout)
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elif max_request_timeout is not None and query_timeout is not None:
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# Max & user query: From user query except if above max
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self.actual_timeout = min(query_timeout, max_request_timeout)
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actual_timeout = min(query_timeout, max_request_timeout)
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logger.debug("actual_timeout={0} (default_timeout={1}, ?timeout_limit={2}, max_request_timeout={3})"
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.format(self.actual_timeout, default_timeout, query_timeout, max_request_timeout))
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return requests, actual_timeout
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def search_standard(self):
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"""
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Update self.result_container, self.actual_timeout
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"""
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requests, self.actual_timeout = self._get_requests()
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# send all search-request
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if requests:
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search_multiple_requests(requests, self.result_container, start_time, self.actual_timeout)
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search_multiple_requests(requests, self.result_container, self.start_time, self.actual_timeout)
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start_new_thread(gc.collect, tuple())
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# return results, suggestions, answers and infoboxes
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return True
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# do search-request
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def search(self):
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self.start_time = time()
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if not self.search_external_bang():
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if not self.search_answerers():
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self.search_standard()
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return self.result_container
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