def search(query, request, selected_engines):
global engines, categories, number_of_searches
requests = []
results = {}
suggestions = set()
number_of_searches += 1
#user_agent = request.headers.get('User-Agent', '')
user_agent = gen_useragent()
for selected_engine in selected_engines:
if selected_engine['name'] not in engines:
continue
engine = engines[selected_engine['name']]
request_params = default_request_params()
request_params['headers']['User-Agent'] = user_agent
request_params['category'] = selected_engine['category']
request_params['started'] = datetime.now()
request_params = engine.request(query, request_params)
callback = make_callback(
selected_engine['name'],
results,
suggestions,
engine.response,
request_params
)
request_args = dict(
headers=request_params['headers'],
hooks=dict(response=callback),
cookies=request_params['cookies'],
timeout=settings['server']['request_timeout']
)
if request_params['method'] == 'GET':
req = grequests.get
else:
req = grequests.post
request_args['data'] = request_params['data']
# ignoring empty urls
if not request_params['url']:
continue
requests.append(req(request_params['url'], **request_args))
grequests.map(requests)
for engine_name, engine_results in results.items():
engines[engine_name].stats['search_count'] += 1
engines[engine_name].stats['result_count'] += len(engine_results)
results = score_results(results)
for result in results:
for res_engine in result['engines']:
engines[result['engine']].stats['score_count'] += result['score']
return results, suggestions
def image_proxy():
url = request.args.get('url').encode('utf-8')
if not url:
return '', 400
h = hashlib.sha256(url + settings['server']['secret_key'].encode('utf-8')).hexdigest()
if h != request.args.get('h'):
return '', 400
headers = dict_subset(request.headers, {'If-Modified-Since', 'If-None-Match'})
headers['User-Agent'] = gen_useragent()
resp = requests.get(url,
stream=True,
timeout=settings['outgoing']['request_timeout'],
headers=headers,
proxies=outgoing_proxies)
if resp.status_code == 304:
return '', resp.status_code
if resp.status_code != 200:
logger.debug('image-proxy: wrong response code: {0}'.format(resp.status_code))
if resp.status_code >= 400:
return '', resp.status_code
return '', 400
if not resp.headers.get('content-type', '').startswith('image/'):
logger.debug('image-proxy: wrong content-type: {0}'.format(resp.headers.get('content-type')))
return '', 400
img = ''
chunk_counter = 0
for chunk in resp.iter_content(1024 * 1024):
chunk_counter += 1
if chunk_counter > 5:
return '', 502 # Bad gateway - file is too big (>5M)
img += chunk
headers = dict_subset(resp.headers, {'Content-Length', 'Length', 'Date', 'Last-Modified', 'Expires', 'Etag'})
return Response(img, mimetype=resp.headers['content-type'], headers=headers)
def image_proxy():
url = request.args.get('url').encode('utf-8')
if not url:
return '', 400
h = hashlib.sha256(url + settings['server']['secret_key'].encode('utf-8')).hexdigest()
if h != request.args.get('h'):
return '', 400
headers = dict_subset(request.headers, {'If-Modified-Since', 'If-None-Match'})
headers['User-Agent'] = gen_useragent()
resp = http_get(url,
stream=True,
timeout=settings['server'].get('request_timeout', 2),
headers=headers)
if resp.status_code == 304:
return '', resp.status_code
if resp.status_code != 200:
logger.debug('image-proxy: wrong response code: {0}'.format(resp.status_code))
if resp.status_code >= 400:
return '', resp.status_code
return '', 400
if not resp.headers.get('content-type', '').startswith('image/'):
logger.debug('image-proxy: wrong content-type: {0}'.format(resp.get('content-type')))
return '', 400
img = ''
chunk_counter = 0
for chunk in resp.iter_content(1024 * 1024):
chunk_counter += 1
if chunk_counter > 5:
return '', 502 # Bad gateway - file is too big (>5M)
img += chunk
headers = dict_subset(resp.headers, {'Content-Length', 'Length', 'Date', 'Last-Modified', 'Expires', 'Etag'})
return Response(img, mimetype=resp.headers['content-type'], headers=headers)
def image_proxy():
url = request.args.get("url").encode("utf-8")
if not url:
return "", 400
h = hashlib.sha256(url + settings["server"]["secret_key"].encode("utf-8")).hexdigest()
if h != request.args.get("h"):
return "", 400
headers = dict_subset(request.headers, {"If-Modified-Since", "If-None-Match"})
headers["User-Agent"] = gen_useragent()
resp = requests.get(
url, stream=True, timeout=settings["outgoing"]["request_timeout"], headers=headers, proxies=outgoing_proxies
)
if resp.status_code == 304:
return "", resp.status_code
if resp.status_code != 200:
logger.debug("image-proxy: wrong response code: {0}".format(resp.status_code))
if resp.status_code >= 400:
return "", resp.status_code
return "", 400
if not resp.headers.get("content-type", "").startswith("image/"):
logger.debug("image-proxy: wrong content-type: {0}".format(resp.headers.get("content-type")))
return "", 400
img = ""
chunk_counter = 0
for chunk in resp.iter_content(1024 * 1024):
chunk_counter += 1
if chunk_counter > 5:
return "", 502 # Bad gateway - file is too big (>5M)
img += chunk
headers = dict_subset(resp.headers, {"Content-Length", "Length", "Date", "Last-Modified", "Expires", "Etag"})
return Response(img, mimetype=resp.headers["content-type"], headers=headers)
def request(query, params):
offset = (params['pageno'] - 1) * 10 + 1
if params['language'] == 'all':
lang = 'EN'
else:
lang = match_language(params['language'], supported_languages,
language_aliases)
query = u'language:{} {}'.format(
lang.split('-')[0].upper(), query.decode('utf-8')).encode('utf-8')
search_path = search_string.format(query=urlencode({'q': query}),
offset=offset)
params['url'] = base_url + search_path
params['headers']['User-Agent'] = gen_useragent('Windows NT 6.3; WOW64')
return params
def search(self):
global number_of_searches
# init vars
requests = []
# increase number of searches
number_of_searches += 1
# set default useragent
# user_agent = request.headers.get('User-Agent', '')
user_agent = gen_useragent()
search_query = self.search_query
# start search-reqest for all selected engines
for selected_engine in search_query.engines:
if selected_engine['name'] not in engines:
continue
engine = engines[selected_engine['name']]
# skip suspended engines
if engine.suspend_end_time >= time():
logger.debug('Engine currently suspended: %s', selected_engine['name'])
continue
# if paging is not supported, skip
if search_query.pageno > 1 and not engine.paging:
continue
# if search-language is set and engine does not
# provide language-support, skip
if search_query.lang != 'all' and not engine.language_support:
continue
# if time_range is not supported, skip
if search_query.time_range and not engine.time_range_support:
continue
# set default request parameters
request_params = default_request_params()
request_params['headers']['User-Agent'] = user_agent
request_params['category'] = selected_engine['category']
request_params['started'] = time()
request_params['pageno'] = search_query.pageno
if hasattr(engine, 'language') and engine.language:
request_params['language'] = engine.language
else:
request_params['language'] = search_query.lang
# 0 = None, 1 = Moderate, 2 = Strict
request_params['safesearch'] = search_query.safesearch
request_params['time_range'] = search_query.time_range
# update request parameters dependent on
# search-engine (contained in engines folder)
engine.request(search_query.query.encode('utf-8'), request_params)
if request_params['url'] is None:
# TODO add support of offline engines
pass
# create a callback wrapper for the search engine results
callback = make_callback(
selected_engine['name'],
engine.response,
request_params,
self.result_container)
# create dictionary which contain all
# informations about the request
request_args = dict(
headers=request_params['headers'],
hooks=dict(response=callback),
cookies=request_params['cookies'],
timeout=engine.timeout,
verify=request_params['verify']
)
# specific type of request (GET or POST)
if request_params['method'] == 'GET':
req = requests_lib.get
else:
req = requests_lib.post
request_args['data'] = request_params['data']
# ignoring empty urls
if not request_params['url']:
continue
# append request to list
requests.append((req, request_params['url'],
request_args,
selected_engine['name']))
if not requests:
return self.result_container
# send all search-request
threaded_requests(requests)
start_new_thread(gc.collect, tuple())
# return results, suggestions, answers and infoboxes
return self.result_container
def test_gen_useragent(self):
self.assertIsInstance(utils.gen_useragent(), str)
self.assertIsNotNone(utils.gen_useragent())
self.assertTrue(utils.gen_useragent().startswith('Mozilla'))
def test_gen_useragent(self):
self.assertIsInstance(utils.gen_useragent(), str)
self.assertIsNotNone(utils.gen_useragent())
self.assertTrue(utils.gen_useragent().startswith('Mozilla'))
def search(self, request):
global number_of_searches
# init vars
requests = []
# increase number of searches
number_of_searches += 1
# set default useragent
# user_agent = request.headers.get('User-Agent', '')
user_agent = gen_useragent()
# start search-reqest for all selected engines
for selected_engine in self.engines:
if selected_engine['name'] not in engines:
continue
engine = engines[selected_engine['name']]
# if paging is not supported, skip
if self.pageno > 1 and not engine.paging:
continue
# if search-language is set and engine does not
# provide language-support, skip
if self.lang != 'all' and not engine.language_support:
continue
# set default request parameters
request_params = default_request_params()
request_params['headers']['User-Agent'] = user_agent
request_params['category'] = selected_engine['category']
request_params['started'] = time()
request_params['pageno'] = self.pageno
if hasattr(engine, 'language') and engine.language:
request_params['language'] = engine.language
else:
request_params['language'] = self.lang
# 0 = None, 1 = Moderate, 2 = Strict
request_params['safesearch'] = request.preferences.get_value(
'safesearch')
# update request parameters dependent on
# search-engine (contained in engines folder)
engine.request(self.query.encode('utf-8'), request_params)
if request_params['url'] is None:
# TODO add support of offline engines
pass
# create a callback wrapper for the search engine results
callback = make_callback(selected_engine['name'], engine.response,
request_params, self.result_container)
# create dictionary which contain all
# informations about the request
request_args = dict(headers=request_params['headers'],
hooks=dict(response=callback),
cookies=request_params['cookies'],
timeout=engine.timeout,
verify=request_params['verify'])
# specific type of request (GET or POST)
if request_params['method'] == 'GET':
req = requests_lib.get
else:
req = requests_lib.post
request_args['data'] = request_params['data']
# ignoring empty urls
if not request_params['url']:
continue
# append request to list
requests.append((req, request_params['url'], request_args,
selected_engine['name']))
if not requests:
return self
# send all search-request
threaded_requests(requests)
# return results, suggestions, answers and infoboxes
return self
def search(self, task):
global number_of_searches
# init vars
requests = []
results_queue = Queue()
results = {}
# increase number of searches
number_of_searches += 1
# set default useragent
# user_agent = request.headers.get('User-Agent', '')
user_agent = gen_useragent()
# start search-reqest for all selected engines
for selected_engine in self.engines:
if selected_engine['name'] not in engines:
continue
engine = engines[selected_engine['name']]
# if paging is not supported, skip
if self.pageno > 1 and not engine.paging:
continue
# if search-language is set and engine does not
# provide language-support, skip
if self.lang != 'all' and not engine.language_support:
continue
# set default request parameters
request_params = default_request_params()
request_params['headers']['User-Agent'] = user_agent
request_params['category'] = selected_engine['category']
request_params['started'] = time()
request_params['pageno'] = self.pageno
if hasattr(engine, 'language') and engine.language:
request_params['language'] = engine.language
else:
request_params['language'] = self.lang
# try:
# 0 = None, 1 = Moderate, 2 = Strict
# request_params['safesearch'] = int(request.cookies.get('safesearch'))
# except Exception:
request_params['safesearch'] = settings['search']['safe_search']
# update request parameters dependent on
# search-engine (contained in engines folder)
engine.request(task['query'].encode('utf-8'), request_params)
# update request parameters dependent on
# search-engine (contained in engines folder)
if request_params['url'] is None:
# TODO add support of offline engines
pass
# create a callback wrapper for the search engine results
callback = make_callback(
selected_engine['name'],
results_queue,
engine.response,
request_params)
# create dictionary which contain all
# informations about the request
request_args = dict(
headers=request_params['headers'],
hooks=dict(response=callback),
cookies=request_params['cookies'],
timeout=engine.timeout,
verify=request_params['verify']
)
# specific type of request (GET or POST)
if request_params['method'] == 'GET':
req = requests_lib.get
else:
req = requests_lib.post
request_args['data'] = request_params['data']
# ignoring empty urls
if not request_params['url']:
continue
# append request to list
requests.append((req, request_params['url'],
request_args,
selected_engine['name']))
if not requests:
return self
# send all search-request
threaded_requests(requests)
while not results_queue.empty():
engine_name, engine_results = results_queue.get_nowait()
# TODO type checks
[self.suggestions.append(x['suggestion'])
for x in list(engine_results)
if 'suggestion' in x
and engine_results.remove(x) is None]
[self.answers.append(x['answer'])
for x in list(engine_results)
if 'answer' in x
and engine_results.remove(x) is None]
self.infoboxes.extend(x for x in list(engine_results)
if 'infobox' in x
and engine_results.remove(x) is None)
results[engine_name] = engine_results
# update engine-specific stats
for engine_name, engine_results in results.items():
engines[engine_name].stats['search_count'] += 1
engines[engine_name].stats['result_count'] += len(engine_results)
# score results and remove duplications
self.results = score_results(results)
# merge infoboxes according to their ids
self.infoboxes = merge_infoboxes(self.infoboxes)
# update engine stats, using calculated score
for result in self.results:
plugins.callAPI('on_result', self.plugins, locals())
for res_engine in result['engines']:
engines[result['engine']] \
.stats['score_count'] += result['score']
result['pretty_url'] = prettify_url(result['url'])
# TODO, check if timezone is calculated right
if 'publishedDate' in result:
result['pubdate'] = result['publishedDate'].strftime('%Y-%m-%d %H:%M:%S%z')
if not self.paging and engines[result['engine']].paging:
self.paging = True
if 'content' in result:
result['content_html'] = highlight_content(result['content'],
self.query.encode('utf-8')) # noqa
result['title_html'] = highlight_content(result['title'],
self.query.encode('utf-8'))
if result.get('content'):
result['content'] = html_to_text(result['content']).strip()
# removing html content and whitespace duplications
result['title'] = ' '.join(html_to_text(result['title']).strip().split())
# return results, suggestions, answers and infoboxes
return self
def search(self, request):
global number_of_searches
# init vars
requests = []
results_queue = Queue()
results = {}
suggestions = set()
answers = set()
infoboxes = []
# increase number of searches
number_of_searches += 1
# set default useragent
# user_agent = request.headers.get('User-Agent', '')
user_agent = gen_useragent()
# start search-reqest for all selected engines
for selected_engine in self.engines:
if selected_engine['name'] not in engines:
continue
engine = engines[selected_engine['name']]
# if paging is not supported, skip
if self.pageno > 1 and not engine.paging:
continue
# if search-language is set and engine does not
# provide language-support, skip
if self.lang != 'all' and not engine.language_support:
continue
# set default request parameters
request_params = default_request_params()
request_params['headers']['User-Agent'] = user_agent
request_params['category'] = selected_engine['category']
request_params['started'] = time()
request_params['pageno'] = self.pageno
request_params['language'] = self.lang
# update request parameters dependent on
# search-engine (contained in engines folder)
engine.request(self.query.encode('utf-8'), request_params)
if request_params['url'] is None:
# TODO add support of offline engines
pass
# create a callback wrapper for the search engine results
callback = make_callback(
selected_engine['name'],
results_queue,
engine.response,
request_params)
# create dictionary which contain all
# informations about the request
request_args = dict(
headers=request_params['headers'],
hooks=dict(response=callback),
cookies=request_params['cookies'],
timeout=engine.timeout,
verify=request_params['verify']
)
# specific type of request (GET or POST)
if request_params['method'] == 'GET':
req = requests_lib.get
else:
req = requests_lib.post
request_args['data'] = request_params['data']
# ignoring empty urls
if not request_params['url']:
continue
# append request to list
requests.append((req, request_params['url'], request_args, selected_engine['name']))
if not requests:
return results, suggestions, answers, infoboxes
# send all search-request
threaded_requests(requests)
while not results_queue.empty():
engine_name, engine_results = results_queue.get_nowait()
# TODO type checks
[suggestions.add(x['suggestion'])
for x in list(engine_results)
if 'suggestion' in x
and engine_results.remove(x) is None]
[answers.add(x['answer'])
for x in list(engine_results)
if 'answer' in x
and engine_results.remove(x) is None]
infoboxes.extend(x for x in list(engine_results)
if 'infobox' in x
and engine_results.remove(x) is None)
results[engine_name] = engine_results
# update engine-specific stats
for engine_name, engine_results in results.items():
engines[engine_name].stats['search_count'] += 1
engines[engine_name].stats['result_count'] += len(engine_results)
# score results and remove duplications
results = score_results(results)
# merge infoboxes according to their ids
infoboxes = merge_infoboxes(infoboxes)
# update engine stats, using calculated score
for result in results:
for res_engine in result['engines']:
engines[result['engine']]\
.stats['score_count'] += result['score']
# return results, suggestions, answers and infoboxes
return results, suggestions, answers, infoboxes
def image_proxy():
url = request.args.get('url')
if not url:
return '', 400
h = new_hmac(settings['server']['secret_key'], url.encode())
if h != request.args.get('h'):
return '', 400
maximum_size = 5 * 1024 * 1024
try:
headers = dict_subset(request.headers,
{'If-Modified-Since', 'If-None-Match'})
headers['User-Agent'] = gen_useragent()
stream = http_stream(method='GET',
url=url,
headers=headers,
timeout=settings['outgoing']['request_timeout'],
follow_redirects=True,
max_redirects=20)
resp = next(stream)
content_length = resp.headers.get('Content-Length')
if content_length and content_length.isdigit(
) and int(content_length) > maximum_size:
return 'Max size', 400
if resp.status_code == 304:
return '', resp.status_code
if resp.status_code != 200:
logger.debug('image-proxy: wrong response code: {0}'.format(
resp.status_code))
if resp.status_code >= 400:
return '', resp.status_code
return '', 400
if not resp.headers.get('content-type', '').startswith('image/'):
logger.debug('image-proxy: wrong content-type: {0}'.format(
resp.headers.get('content-type')))
return '', 400
headers = dict_subset(resp.headers, {
'Content-Length', 'Length', 'Date', 'Last-Modified', 'Expires',
'Etag'
})
total_length = 0
def forward_chunk():
nonlocal total_length
for chunk in stream:
total_length += len(chunk)
if total_length > maximum_size:
break
yield chunk
return Response(forward_chunk(),
mimetype=resp.headers['Content-Type'],
headers=headers)
except httpx.HTTPError:
return '', 400
def search(self, request):
global number_of_searches
# init vars
requests = []
results_queue = Queue()
results = {}
# increase number of searches
number_of_searches += 1
# set default useragent
# user_agent = request.headers.get('User-Agent', '')
user_agent = gen_useragent()
# start search-reqest for all selected engines
for selected_engine in self.engines:
if selected_engine['name'] not in engines:
continue
engine = engines[selected_engine['name']]
# if paging is not supported, skip
if self.pageno > 1 and not engine.paging:
continue
# if search-language is set and engine does not
# provide language-support, skip
if self.lang != 'all' and not engine.language_support:
continue
# set default request parameters
request_params = default_request_params()
request_params['headers']['User-Agent'] = user_agent
request_params['category'] = selected_engine['category']
request_params['started'] = time()
request_params['pageno'] = self.pageno
if hasattr(engine, 'language'):
request_params['language'] = engine.language
else:
request_params['language'] = self.lang
try:
# 0 = None, 1 = Moderate, 2 = Strict
request_params['safesearch'] = int(
request.cookies.get('safesearch', 1))
except ValueError:
request_params['safesearch'] = 1
# update request parameters dependent on
# search-engine (contained in engines folder)
engine.request(self.query.encode('utf-8'), request_params)
if request_params['url'] is None:
# TODO add support of offline engines
pass
# create a callback wrapper for the search engine results
callback = make_callback(selected_engine['name'], results_queue,
engine.response, request_params)
# create dictionary which contain all
# informations about the request
request_args = dict(headers=request_params['headers'],
hooks=dict(response=callback),
cookies=request_params['cookies'],
timeout=engine.timeout,
verify=request_params['verify'])
# specific type of request (GET or POST)
if request_params['method'] == 'GET':
req = requests_lib.get
else:
req = requests_lib.post
request_args['data'] = request_params['data']
# ignoring empty urls
if not request_params['url']:
continue
# append request to list
requests.append((req, request_params['url'], request_args,
selected_engine['name']))
if not requests:
return self
# send all search-request
threaded_requests(requests)
while not results_queue.empty():
engine_name, engine_results = results_queue.get_nowait()
# TODO type checks
[
self.suggestions.add(x['suggestion'])
for x in list(engine_results)
if 'suggestion' in x and engine_results.remove(x) is None
]
[
self.answers.add(x['answer']) for x in list(engine_results)
if 'answer' in x and engine_results.remove(x) is None
]
self.infoboxes.extend(
x for x in list(engine_results)
if 'infobox' in x and engine_results.remove(x) is None)
results[engine_name] = engine_results
# update engine-specific stats
for engine_name, engine_results in results.items():
engines[engine_name].stats['search_count'] += 1
engines[engine_name].stats['result_count'] += len(engine_results)
# score results and remove duplications
self.results = score_results(results)
# merge infoboxes according to their ids
self.infoboxes = merge_infoboxes(self.infoboxes)
# update engine stats, using calculated score
for result in self.results:
for res_engine in result['engines']:
engines[result['engine']]\
.stats['score_count'] += result['score']
# return results, suggestions, answers and infoboxes
return self
def image_proxy():
# pylint: disable=too-many-return-statements, too-many-branches
url = request.args.get('url')
if not url:
return '', 400
h = new_hmac(settings['server']['secret_key'], url.encode())
if h != request.args.get('h'):
return '', 400
maximum_size = 5 * 1024 * 1024
forward_resp = False
resp = None
try:
request_headers = {
'User-Agent': gen_useragent(),
'Accept': 'image/webp,*/*',
'Accept-Encoding': 'gzip, deflate',
'Sec-GPC': '1',
'DNT': '1',
}
set_context_network_name('image_proxy')
stream = http_stream(method='GET',
url=url,
headers=request_headers,
timeout=settings['outgoing']['request_timeout'],
follow_redirects=True,
max_redirects=20)
resp = next(stream)
content_length = resp.headers.get('Content-Length')
if content_length and content_length.isdigit(
) and int(content_length) > maximum_size:
return 'Max size', 400
if resp.status_code != 200:
logger.debug('image-proxy: wrong response code: {0}'.format(
resp.status_code))
if resp.status_code >= 400:
return '', resp.status_code
return '', 400
if not resp.headers.get('Content-Type', '').startswith('image/'):
logger.debug('image-proxy: wrong content-type: %s',
resp.headers.get('Content-Type', ''))
return '', 400
forward_resp = True
except httpx.HTTPError:
logger.exception('HTTP error')
return '', 400
finally:
if resp and not forward_resp:
# the code is about to return an HTTP 400 error to the browser
# we make sure to close the response between searxng and the HTTP server
try:
resp.close()
except httpx.HTTPError:
logger.exception('HTTP error on closing')
try:
headers = dict_subset(
resp.headers,
{'Content-Type', 'Content-Encoding', 'Content-Length', 'Length'})
def forward_chunk():
total_length = 0
for chunk in stream:
total_length += len(chunk)
if total_length > maximum_size:
break
yield chunk
return Response(forward_chunk(),
mimetype=resp.headers['Content-Type'],
headers=headers)
except httpx.HTTPError:
return '', 400
def load_engine(engine_data):
engine_name = engine_data['name']
if '_' in engine_name:
logger.error(
'Engine name contains underscore: "{}"'.format(engine_name))
sys.exit(1)
if engine_name.lower() != engine_name:
logger.warn(
'Engine name is not lowercase: "{}", converting to lowercase'.
format(engine_name))
engine_name = engine_name.lower()
engine_data['name'] = engine_name
engine_module = engine_data['engine']
try:
engine = load_module(engine_module + '.py', engine_dir)
except (SyntaxError, KeyboardInterrupt, SystemExit, SystemError,
ImportError, RuntimeError):
logger.exception(
'Fatal exception in engine "{}"'.format(engine_module))
sys.exit(1)
except:
logger.exception('Cannot load engine "{}"'.format(engine_module))
return None
for param_name, param_value in engine_data.items():
if param_name == 'engine':
pass
elif param_name == 'categories':
if param_value == 'none':
engine.categories = []
else:
engine.categories = list(map(str.strip,
param_value.split(',')))
else:
setattr(engine, param_name, param_value)
for arg_name, arg_value in engine_default_args.items():
if not hasattr(engine, arg_name):
setattr(engine, arg_name, arg_value)
# checking required variables
for engine_attr in dir(engine):
if engine_attr.startswith('_'):
continue
if engine_attr == 'inactive' and getattr(engine, engine_attr) is True:
return None
if getattr(engine, engine_attr) is None:
logger.error('Missing engine config attribute: "{0}.{1}"'.format(
engine.name, engine_attr))
sys.exit(1)
# assign supported languages from json file
if engine_data['name'] in ENGINES_LANGUAGES:
setattr(engine, 'supported_languages',
ENGINES_LANGUAGES[engine_data['name']])
# find custom aliases for non standard language codes
if hasattr(engine, 'supported_languages'):
if hasattr(engine, 'language_aliases'):
language_aliases = getattr(engine, 'language_aliases')
else:
language_aliases = {}
for engine_lang in getattr(engine, 'supported_languages'):
iso_lang = match_language(engine_lang, babel_langs, fallback=None)
if iso_lang and iso_lang != engine_lang and not engine_lang.startswith(iso_lang) and \
iso_lang not in getattr(engine, 'supported_languages'):
language_aliases[iso_lang] = engine_lang
setattr(engine, 'language_aliases', language_aliases)
# language_support
setattr(engine, 'language_support',
len(getattr(engine, 'supported_languages', [])) > 0)
# assign language fetching method if auxiliary method exists
if hasattr(engine, '_fetch_supported_languages'):
headers = {
'User-Agent': gen_useragent(),
'Accept-Language':
'ja-JP,ja;q=0.8,en-US;q=0.5,en;q=0.3', # bing needs a non-English language
}
setattr(
engine, 'fetch_supported_languages',
lambda: engine._fetch_supported_languages(
get(engine.supported_languages_url, headers=headers)))
# tor related settings
if settings['outgoing'].get('using_tor_proxy'):
# use onion url if using tor.
if hasattr(engine, 'onion_url'):
engine.search_url = engine.onion_url + getattr(
engine, 'search_path', '')
elif 'onions' in engine.categories:
# exclude onion engines if not using tor.
return None
engine.timeout += settings['outgoing'].get('extra_proxy_timeout', 0)
for category_name in engine.categories:
categories.setdefault(category_name, []).append(engine)
if engine.shortcut in engine_shortcuts:
logger.error('Engine config error: ambigious shortcut: {0}'.format(
engine.shortcut))
sys.exit(1)
engine_shortcuts[engine.shortcut] = engine.name
return engine
def search(self):
global number_of_searches
# start time
start_time = time()
# answeres ?
answerers_results = ask(self.search_query)
if answerers_results:
for results in answerers_results:
self.result_container.extend('answer', results)
return self.result_container
# init vars
requests = []
# increase number of searches
number_of_searches += 1
# set default useragent
# user_agent = request.headers.get('User-Agent', '')
user_agent = gen_useragent()
search_query = self.search_query
# max of all selected engine timeout
timeout_limit = 0
# start search-reqest for all selected engines
for selected_engine in search_query.engines:
if selected_engine['name'] not in engines:
continue
engine = engines[selected_engine['name']]
# skip suspended engines
if engine.suspend_end_time >= time():
logger.debug('Engine currently suspended: %s', selected_engine['name'])
continue
# if paging is not supported, skip
if search_query.pageno > 1 and not engine.paging:
continue
# if time_range is not supported, skip
if search_query.time_range and not engine.time_range_support:
continue
# set default request parameters
request_params = default_request_params()
request_params['headers']['User-Agent'] = user_agent
request_params['category'] = selected_engine['category']
request_params['pageno'] = search_query.pageno
if hasattr(engine, 'language') and engine.language:
request_params['language'] = engine.language
else:
request_params['language'] = search_query.lang
# 0 = None, 1 = Moderate, 2 = Strict
request_params['safesearch'] = search_query.safesearch
request_params['time_range'] = search_query.time_range
# append request to list
requests.append((selected_engine['name'], search_query.query, request_params))
# update timeout_limit
timeout_limit = max(timeout_limit, engine.timeout)
if requests:
# send all search-request
search_multiple_requests(requests, self.result_container, start_time, timeout_limit)
start_new_thread(gc.collect, tuple())
# return results, suggestions, answers and infoboxes
return self.result_container
def search(self):
global number_of_searches
# start time
start_time = time()
# answeres ?
answerers_results = ask(self.search_query)
if answerers_results:
for results in answerers_results:
self.result_container.extend('answer', results)
return self.result_container
# init vars
requests = []
# increase number of searches
number_of_searches += 1
# set default useragent
# user_agent = request.headers.get('User-Agent', '')
user_agent = gen_useragent()
search_query = self.search_query
# max of all selected engine timeout
timeout_limit = 0
# start search-reqest for all selected engines
for selected_engine in search_query.engines:
if selected_engine['name'] not in engines:
continue
engine = engines[selected_engine['name']]
# skip suspended engines
if engine.suspend_end_time >= time():
logger.debug('Engine currently suspended: %s', selected_engine['name'])
continue
# if paging is not supported, skip
if search_query.pageno > 1 and not engine.paging:
continue
# if time_range is not supported, skip
if search_query.time_range and not engine.time_range_support:
continue
# set default request parameters
request_params = default_request_params()
request_params['headers']['User-Agent'] = user_agent
request_params['category'] = selected_engine['category']
request_params['pageno'] = search_query.pageno
if hasattr(engine, 'language') and engine.language:
request_params['language'] = engine.language
else:
request_params['language'] = search_query.lang
# 0 = None, 1 = Moderate, 2 = Strict
request_params['safesearch'] = search_query.safesearch
request_params['time_range'] = search_query.time_range
# append request to list
requests.append((selected_engine['name'], search_query.query.encode('utf-8'), request_params))
# update timeout_limit
timeout_limit = max(timeout_limit, engine.timeout)
if requests:
# send all search-request
search_multiple_requests(requests, self.result_container, start_time, timeout_limit)
start_new_thread(gc.collect, tuple())
# return results, suggestions, answers and infoboxes
return self.result_container
def search(self):
global number_of_searches
# Check if there is a external bang. After that we can stop because the search will terminate.
if self.search_query.external_bang:
self.result_container.redirect_url = get_bang_url(
self.search_query)
# This means there was a valid bang and the
# rest of the search does not need to be continued
if isinstance(self.result_container.redirect_url, str):
return self.result_container
# start time
start_time = time()
# answeres ?
answerers_results = ask(self.search_query)
if answerers_results:
for results in answerers_results:
self.result_container.extend('answer', results)
return self.result_container
# init vars
requests = []
# increase number of searches
number_of_searches += 1
# set default useragent
# user_agent = request.headers.get('User-Agent', '')
user_agent = gen_useragent()
search_query = self.search_query
# max of all selected engine timeout
default_timeout = 0
# start search-reqest for all selected engines
for selected_engine in search_query.engines:
if selected_engine['name'] not in engines:
continue
engine = engines[selected_engine['name']]
if not search_query.preferences.validate_token(engine):
continue
# skip suspended engines
if engine.suspend_end_time >= time():
logger.debug('Engine currently suspended: %s',
selected_engine['name'])
continue
# if paging is not supported, skip
if search_query.pageno > 1 and not engine.paging:
continue
# if time_range is not supported, skip
if search_query.time_range and not engine.time_range_support:
continue
# set default request parameters
request_params = {}
if not engine.offline:
request_params = default_request_params()
request_params['headers']['User-Agent'] = user_agent
if hasattr(engine, 'language') and engine.language:
request_params['language'] = engine.language
else:
request_params['language'] = search_query.lang
request_params['safesearch'] = search_query.safesearch
request_params['time_range'] = search_query.time_range
request_params['category'] = selected_engine['category']
request_params['pageno'] = search_query.pageno
# append request to list
requests.append(
(selected_engine['name'], search_query.query, request_params))
# update default_timeout
default_timeout = max(default_timeout, engine.timeout)
# adjust timeout
self.actual_timeout = default_timeout
query_timeout = self.search_query.timeout_limit
if max_request_timeout is None and query_timeout is None:
# No max, no user query: default_timeout
pass
elif max_request_timeout is None and query_timeout is not None:
# No max, but user query: From user query except if above default
self.actual_timeout = min(default_timeout, query_timeout)
elif max_request_timeout is not None and query_timeout is None:
# Max, no user query: Default except if above max
self.actual_timeout = min(default_timeout, max_request_timeout)
elif max_request_timeout is not None and query_timeout is not None:
# Max & user query: From user query except if above max
self.actual_timeout = min(query_timeout, max_request_timeout)
logger.debug(
"actual_timeout={0} (default_timeout={1}, ?timeout_limit={2}, max_request_timeout={3})"
.format(self.actual_timeout, default_timeout, query_timeout,
max_request_timeout))
# send all search-request
if requests:
search_multiple_requests(requests, self.result_container,
start_time, self.actual_timeout)
start_new_thread(gc.collect, tuple())
# return results, suggestions, answers and infoboxes
return self.result_container
def search(self, request):
global number_of_searches
requests = []
results = {}
suggestions = set()
number_of_searches += 1
#user_agent = request.headers.get('User-Agent', '')
user_agent = gen_useragent()
for selected_engine in self.engines:
if selected_engine['name'] not in engines:
continue
engine = engines[selected_engine['name']]
if self.pageno > 1 and not engine.paging:
continue
if self.lang != 'all' and not engine.language_support:
continue
request_params = default_request_params()
request_params['headers']['User-Agent'] = user_agent
request_params['category'] = selected_engine['category']
request_params['started'] = datetime.now()
request_params['pageno'] = self.pageno
request_params['language'] = self.lang
request_params = engine.request(self.query.encode('utf-8'),
request_params)
if request_params['url'] is None:
# TODO add support of offline engines
pass
callback = make_callback(
selected_engine['name'],
results,
suggestions,
engine.response,
request_params
)
request_args = dict(
headers=request_params['headers'],
hooks=dict(response=callback),
cookies=request_params['cookies'],
timeout=engine.timeout
)
if request_params['method'] == 'GET':
req = grequests.get
else:
req = grequests.post
request_args['data'] = request_params['data']
# ignoring empty urls
if not request_params['url']:
continue
requests.append(req(request_params['url'], **request_args))
grequests.map(requests)
for engine_name, engine_results in results.items():
engines[engine_name].stats['search_count'] += 1
engines[engine_name].stats['result_count'] += len(engine_results)
results = score_results(results)
for result in results:
for res_engine in result['engines']:
engines[result['engine']]\
.stats['score_count'] += result['score']
return results, suggestions
