def load_https_rules(rules_path):
# check if directory exists
if not isdir(rules_path):
logger.error("directory not found: '" + rules_path + "'")
return
# search all xml files which are stored in the https rule directory
xml_files = [
join(rules_path, f) for f in listdir(rules_path)
if isfile(join(rules_path, f)) and f[-4:] == '.xml'
]
# load xml-files
for ruleset_file in xml_files:
# calculate rewrite-rules
ruleset = load_single_https_ruleset(ruleset_file)
# skip if no ruleset returned
if not ruleset:
continue
# append ruleset
https_rules.append(ruleset)
logger.info('{n} rules loaded'.format(n=len(https_rules)))
def search_one_request_safe(engine_name, query, request_params,
result_container, start_time, timeout_limit):
engine = engines[engine_name]
try:
# send requests and parse the results
search_results = search_one_request(engine, query, request_params,
start_time, timeout_limit)
# add results
result_container.extend(engine_name, search_results)
# update engine time when there is no exception
with threading.RLock():
engine.stats['engine_time'] += time() - start_time
engine.stats['engine_time_count'] += 1
return True
except Exception as e:
engine.stats['errors'] += 1
search_duration = time() - start_time
requests_exception = False
if (issubclass(e.__class__, requests.exceptions.Timeout)):
result_container.add_unresponsive_engine(
(engine_name, gettext('timeout')))
# requests timeout (connect or read)
logger.error(
"engine {0} : HTTP requests timeout"
"(search duration : {1} s, timeout: {2} s) : {3}".format(
engine_name, search_duration, timeout_limit,
e.__class__.__name__))
requests_exception = True
elif (issubclass(e.__class__, requests.exceptions.RequestException)):
result_container.add_unresponsive_engine(
(engine_name, gettext('request exception')))
# other requests exception
logger.exception(
"engine {0} : requests exception"
"(search duration : {1} s, timeout: {2} s) : {3}".format(
engine_name, search_duration, timeout_limit, e))
requests_exception = True
else:
result_container.add_unresponsive_engine(
(engine_name, gettext('unexpected crash')))
# others errors
logger.exception('engine {0} : exception : {1}'.format(
engine_name, e))
# update continuous_errors / suspend_end_time
if requests_exception:
with threading.RLock():
engine.continuous_errors += 1
engine.suspend_end_time = time() + min(
60, engine.continuous_errors)
#
return False
def load_engine(engine_data):
"""Load engine from ``engine_data``.
:param dict engine_data: Attributes from YAML ``settings:engines/<engine>``
:return: initialized namespace of the ``<engine>``.
1. create a namespace and load module of the ``<engine>``
2. update namespace with the defaults from :py:obj:`ENGINE_DEFAULT_ARGS`
3. update namespace with values from ``engine_data``
If engine *is active*, return namespace of the engine, otherwise return
``None``.
This function also returns ``None`` if initialization of the namespace fails
for one of the following reasons:
- engine name contains underscore
- engine name is not lowercase
- required attribute is not set :py:func:`is_missing_required_attributes`
"""
engine_name = engine_data['name']
if '_' in engine_name:
logger.error(
'Engine name contains underscore: "{}"'.format(engine_name))
return None
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
# load_module
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 BaseException:
logger.exception('Cannot load engine "{}"'.format(engine_module))
return None
update_engine_attributes(engine, engine_data)
set_language_attributes(engine)
update_attributes_for_tor(engine)
if not is_engine_active(engine):
return None
if is_missing_required_attributes(engine):
return None
return engine
def initialize(engine_list):
engines.initialize_engines(engine_list)
for engine_name, engine in engines.engines.items():
processor = get_processor(engine, engine_name)
if processor is None:
logger.error('Error get processor for engine %s', engine_name)
else:
processors[engine_name] = processor
def load_engine(engine_data):
engine_name = engine_data["engine"]
engine = load_module(engine_name + ".py")
for param_name in engine_data:
if param_name == "engine":
continue
if param_name == "categories":
if engine_data["categories"] == "none":
engine.categories = []
else:
engine.categories = map(str.strip, engine_data["categories"].split(","))
continue
setattr(engine, param_name, engine_data[param_name])
if not hasattr(engine, "paging"):
engine.paging = False
if not hasattr(engine, "categories"):
engine.categories = ["general"]
if not hasattr(engine, "language_support"):
engine.language_support = True
if not hasattr(engine, "safesearch"):
engine.safesearch = False
if not hasattr(engine, "timeout"):
engine.timeout = settings["outgoing"]["request_timeout"]
if not hasattr(engine, "shortcut"):
engine.shortcut = ""
if not hasattr(engine, "disabled"):
engine.disabled = False
# checking required variables
for engine_attr in dir(engine):
if engine_attr.startswith("_"):
continue
if getattr(engine, engine_attr) is None:
logger.error('Missing engine config attribute: "{0}.{1}"'.format(engine.name, engine_attr))
sys.exit(1)
engine.stats = {"result_count": 0, "search_count": 0, "page_load_time": 0, "score_count": 0, "errors": 0}
if hasattr(engine, "categories"):
for category_name in engine.categories:
categories.setdefault(category_name, []).append(engine)
else:
categories["general"].append(engine)
if engine.shortcut:
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 response(resp):
"""Get response from google's search request"""
results = []
detect_google_sorry(resp)
# convert the text to dom
dom = html.fromstring(resp.text)
vidthumb_imgdata = scrap_out_thumbs(dom)
# parse results
for result in eval_xpath_list(dom, results_xpath):
# google *sections*
if extract_text(eval_xpath(result, g_section_with_header)):
logger.debug("ingoring <g-section-with-header>")
continue
title = extract_text(eval_xpath_getindex(result, title_xpath, 0))
url = eval_xpath_getindex(result, href_xpath, 0)
c_node = eval_xpath_getindex(result, content_xpath, 0)
# <img id="vidthumb1" ...>
img_id = eval_xpath_getindex(c_node,
'./div[1]//a/g-img/img/@id',
0,
default=None)
if img_id is None:
continue
img_src = vidthumb_imgdata.get(img_id, None)
if not img_src:
logger.error("no vidthumb imgdata for: %s" % img_id)
img_src = eval_xpath_getindex(c_node, './div[1]//a/g-img/img/@src',
0)
length = extract_text(eval_xpath(c_node, './/div[1]//a/div[3]'))
content = extract_text(eval_xpath(c_node, './/div[2]/span'))
pub_info = extract_text(eval_xpath(c_node, './/div[2]/div'))
results.append({
'url': url,
'title': title,
'content': content,
'length': length,
'author': pub_info,
'thumbnail': img_src,
'template': 'videos.html',
})
# parse suggestion
for suggestion in eval_xpath_list(dom, suggestion_xpath):
# append suggestion
results.append({'suggestion': extract_text(suggestion)})
for correction in eval_xpath_list(dom, spelling_suggestion_xpath):
results.append({'correction': extract_text(correction)})
return results
def initialize(engine_list):
"""Initialize all engines and store a processor for each engine in :py:obj:`processors`."""
engines.initialize_engines(engine_list)
for engine_name, engine in engines.engines.items():
processor = get_processor(engine, engine_name)
if processor is None:
logger.error('Error get processor for engine %s', engine_name)
else:
processors[engine_name] = processor
def initialize(engine_list):
"""Initialize all engines and store a processor for each engine in :py:obj:`PROCESSORS`."""
for engine_data in engine_list:
engine_name = engine_data['name']
engine = engines.engines.get(engine_name)
if engine:
processor = get_processor(engine, engine_name)
initialize_processor(processor)
if processor is None:
logger.error('Error get processor for engine %s', engine_name)
else:
PROCESSORS[engine_name] = processor
def load_engine(engine_data):
engine_name = engine_data['engine']
try:
engine = load_module(engine_name + '.py')
except:
logger.exception('Cannot load engine "{}"'.format(engine_name))
return None
for param_name in engine_data:
if param_name == 'engine':
continue
if param_name == 'categories':
if engine_data['categories'] == 'none':
engine.categories = []
else:
engine.categories = map(str.strip,
engine_data['categories'].split(','))
continue
setattr(engine, param_name, engine_data[param_name])
for arg_name, arg_value in engine_default_args.iteritems():
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 getattr(engine, engine_attr) is None:
logger.error('Missing engine config attribute: "{0}.{1}"'.format(
engine.name, engine_attr))
sys.exit(1)
engine.stats = {
'result_count': 0,
'search_count': 0,
'page_load_time': 0,
'score_count': 0,
'errors': 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 is_missing_required_attributes(engine):
"""An attribute is required when its name doesn't start with ``_`` (underline).
Required attributes must not be ``None``.
"""
missing = False
for engine_attr in dir(engine):
if not engine_attr.startswith('_') and getattr(engine,
engine_attr) is None:
logger.error('Missing engine config attribute: "{0}.{1}"'.format(
engine.name, engine_attr))
missing = True
return missing
def load_engine(engine_data):
engine_name = engine_data['engine']
try:
engine = load_module(engine_name + '.py')
except:
logger.exception('Cannot load engine "{}"'.format(engine_name))
return None
for param_name in engine_data:
if param_name == 'engine':
continue
if param_name == 'categories':
if engine_data['categories'] == 'none':
engine.categories = []
else:
engine.categories = map(
str.strip, engine_data['categories'].split(','))
continue
setattr(engine, param_name, engine_data[param_name])
for arg_name, arg_value in engine_default_args.iteritems():
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 getattr(engine, engine_attr) is None:
logger.error('Missing engine config attribute: "{0}.{1}"'
.format(engine.name, engine_attr))
sys.exit(1)
engine.stats = {
'result_count': 0,
'search_count': 0,
'page_load_time': 0,
'score_count': 0,
'errors': 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 register_engine(engine):
if engine.name in engines:
logger.error('Engine config error: ambigious name: {0}'.format(
engine.name))
sys.exit(1)
engines[engine.name] = 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
for category_name in engine.categories:
categories.setdefault(category_name, []).append(engine)
def parse_album(hit):
result = {
'url': hit['result']['url'],
'title': hit['result']['full_title'],
'thumbnail': hit['result']['cover_art_url'],
'content': '',
}
try:
year = hit['result']['release_date_components']['year']
except Exception as e: # pylint: disable=broad-except
logger.error(e, exc_info=True)
else:
if year:
result.update({'content': 'Released: {}'.format(year)})
return result
def parse_lyric(hit):
try:
content = hit['highlights'][0]['value']
except Exception as e: # pylint: disable=broad-except
logger.error(e, exc_info=True)
content = ''
timestamp = hit['result']['lyrics_updated_at']
result = {
'url': hit['result']['url'],
'title': hit['result']['full_title'],
'content': content,
'thumbnail': hit['result']['song_art_image_thumbnail_url'],
}
if timestamp:
result.update({'publishedDate': datetime.fromtimestamp(timestamp)})
return result
def search_one_request_safe(engine_name, query, request_params, result_container, start_time, timeout_limit):
engine = engines[engine_name]
try:
# send requests and parse the results
search_results = search_one_request(engine, query, request_params, start_time, timeout_limit)
# add results
result_container.extend(engine_name, search_results)
# update engine time when there is no exception
with threading.RLock():
engine.stats['engine_time'] += time() - start_time
engine.stats['engine_time_count'] += 1
return True
except Exception as e:
engine.stats['errors'] += 1
search_duration = time() - start_time
requests_exception = False
if (issubclass(e.__class__, requests.exceptions.Timeout)):
# requests timeout (connect or read)
logger.error("engine {0} : HTTP requests timeout"
"(search duration : {1} s, timeout: {2} s) : {3}"
.format(engine_name, search_duration, timeout_limit, e.__class__.__name__))
requests_exception = True
elif (issubclass(e.__class__, requests.exceptions.RequestException)):
# other requests exception
logger.exception("engine {0} : requests exception"
"(search duration : {1} s, timeout: {2} s) : {3}"
.format(engine_name, search_duration, timeout_limit, e))
requests_exception = True
else:
# others errors
logger.exception('engine {0} : exception : {1}'.format(engine_name, e))
# update continuous_errors / suspend_end_time
if requests_exception:
with threading.RLock():
engine.continuous_errors += 1
engine.suspend_end_time = time() + min(60, engine.continuous_errors)
#
return False
def search(self, query, params, result_container, start_time,
timeout_limit):
# set timeout for all HTTP requests
searx.network.set_timeout_for_thread(timeout_limit,
start_time=start_time)
# reset the HTTP total time
searx.network.reset_time_for_thread()
# set the network
searx.network.set_context_network_name(self.engine_name)
try:
# send requests and parse the results
search_results = self._search_basic(query, params)
self.extend_container(result_container, start_time, search_results)
except (httpx.TimeoutException, asyncio.TimeoutError) as e:
# requests timeout (connect or read)
self.handle_exception(result_container, e, suspend=True)
logger.error(
"engine {0} : HTTP requests timeout"
"(search duration : {1} s, timeout: {2} s) : {3}".format(
self.engine_name,
default_timer() - start_time, timeout_limit,
e.__class__.__name__))
except (httpx.HTTPError, httpx.StreamError) as e:
# other requests exception
self.handle_exception(result_container, e, suspend=True)
logger.exception(
"engine {0} : requests exception"
"(search duration : {1} s, timeout: {2} s) : {3}".format(
self.engine_name,
default_timer() - start_time, timeout_limit, e))
except SearxEngineCaptchaException as e:
self.handle_exception(result_container, e, suspend=True)
logger.exception('engine {0} : CAPTCHA'.format(self.engine_name))
except SearxEngineTooManyRequestsException as e:
self.handle_exception(result_container, e, suspend=True)
logger.exception('engine {0} : Too many requests'.format(
self.engine_name))
except SearxEngineAccessDeniedException as e:
self.handle_exception(result_container, e, suspend=True)
logger.exception('engine {0} : Searx is blocked'.format(
self.engine_name))
except Exception as e: # pylint: disable=broad-except
self.handle_exception(result_container, e)
logger.exception('engine {0} : exception : {1}'.format(
self.engine_name, e))
def _is_url_image(image_url):
if not isinstance(image_url, str):
return False
if image_url.startswith('//'):
image_url = 'https:' + image_url
if image_url.startswith('data:'):
return image_url.startswith('data:image/')
if not _is_url(image_url):
return False
retry = 2
while retry > 0:
a = time()
try:
network.set_timeout_for_thread(10.0, time())
r = network.get(
image_url,
timeout=10.0,
allow_redirects=True,
headers={
'User-Agent':
'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:84.0) Gecko/20100101 Firefox/84.0',
'Accept':
'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
'Accept-Language': 'en-US;q=0.5,en;q=0.3',
'Accept-Encoding': 'gzip, deflate, br',
'DNT': '1',
'Connection': 'keep-alive',
'Upgrade-Insecure-Requests': '1',
'Sec-GPC': '1',
'Cache-Control': 'max-age=0'
})
if r.headers["content-type"].startswith('image/'):
return True
return False
except httpx.TimeoutException:
logger.error('Timeout for %s: %i', image_url, int(time() - a))
retry -= 1
except httpx.HTTPError:
logger.exception('Exception for %s', image_url)
return False
def load_engine(engine_data):
if "_" in engine_data["name"]:
logger.error('Engine name conains underscore: "{}"'.format(engine_data["name"]))
sys.exit(1)
engine_module = engine_data["engine"]
try:
engine = load_module(engine_module + ".py")
except:
logger.exception('Cannot load engine "{}"'.format(engine_module))
return None
for param_name in engine_data:
if param_name == "engine":
continue
if param_name == "categories":
if engine_data["categories"] == "none":
engine.categories = []
else:
engine.categories = map(str.strip, engine_data["categories"].split(","))
continue
setattr(engine, param_name, engine_data[param_name])
for arg_name, arg_value in engine_default_args.iteritems():
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 getattr(engine, engine_attr) is None:
logger.error('Missing engine config attribute: "{0}.{1}"'.format(engine.name, engine_attr))
sys.exit(1)
engine.stats = {"result_count": 0, "search_count": 0, "page_load_time": 0, "score_count": 0, "errors": 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_one_http_request_safe(
engine_name, query, request_params, result_container, start_time, timeout_limit
):
# set timeout for all HTTP requests
requests_lib.set_timeout_for_thread(timeout_limit, start_time=start_time)
# reset the HTTP total time
requests_lib.reset_time_for_thread()
#
engine = engines[engine_name]
# suppose everything will be alright
requests_exception = False
suspended_time = None
try:
# send requests and parse the results
search_results = search_one_http_request(engine, query, request_params)
# check if the engine accepted the request
if search_results is not None:
# yes, so add results
result_container.extend(engine_name, search_results)
# update engine time when there is no exception
engine_time = time() - start_time
page_load_time = requests_lib.get_time_for_thread()
result_container.add_timing(engine_name, engine_time, page_load_time)
with threading.RLock():
engine.stats["engine_time"] += engine_time
engine.stats["engine_time_count"] += 1
# update stats with the total HTTP time
engine.stats["page_load_time"] += page_load_time
engine.stats["page_load_count"] += 1
except Exception as e:
record_exception(engine_name, e)
# Timing
engine_time = time() - start_time
page_load_time = requests_lib.get_time_for_thread()
result_container.add_timing(engine_name, engine_time, page_load_time)
# Record the errors
with threading.RLock():
engine.stats["errors"] += 1
if issubclass(e.__class__, requests.exceptions.Timeout):
result_container.add_unresponsive_engine(engine_name, "HTTP timeout")
# requests timeout (connect or read)
logger.error(
"engine {0} : HTTP requests timeout"
"(search duration : {1} s, timeout: {2} s) : {3}".format(
engine_name, engine_time, timeout_limit, e.__class__.__name__
)
)
requests_exception = True
elif issubclass(e.__class__, requests.exceptions.RequestException):
result_container.add_unresponsive_engine(engine_name, "HTTP error")
# other requests exception
logger.exception(
"engine {0} : requests exception"
"(search duration : {1} s, timeout: {2} s) : {3}".format(
engine_name, engine_time, timeout_limit, e
)
)
requests_exception = True
elif issubclass(e.__class__, SearxEngineCaptchaException):
result_container.add_unresponsive_engine(engine_name, "CAPTCHA required")
logger.exception("engine {0} : CAPTCHA")
suspended_time = e.suspended_time # pylint: disable=no-member
elif issubclass(e.__class__, SearxEngineTooManyRequestsException):
result_container.add_unresponsive_engine(engine_name, "too many requests")
logger.exception("engine {0} : Too many requests")
suspended_time = e.suspended_time # pylint: disable=no-member
elif issubclass(e.__class__, SearxEngineAccessDeniedException):
result_container.add_unresponsive_engine(engine_name, "blocked")
logger.exception("engine {0} : Searx is blocked")
suspended_time = e.suspended_time # pylint: disable=no-member
else:
result_container.add_unresponsive_engine(engine_name, "unexpected crash")
# others errors
logger.exception("engine {0} : exception : {1}".format(engine_name, e))
else:
if getattr(threading.current_thread(), "_timeout", False):
record_error(engine_name, "Timeout")
# suspend the engine if there is an HTTP error
# or suspended_time is defined
with threading.RLock():
if requests_exception or suspended_time:
# update continuous_errors / suspend_end_time
engine.continuous_errors += 1
if suspended_time is None:
suspended_time = min(
settings["search"]["max_ban_time_on_fail"],
engine.continuous_errors * settings["search"]["ban_time_on_fail"],
)
engine.suspend_end_time = time() + suspended_time
else:
# reset the suspend variables
engine.continuous_errors = 0
engine.suspend_end_time = 0
def search(self, query, params, result_container, start_time,
timeout_limit):
# set timeout for all HTTP requests
poolrequests.set_timeout_for_thread(timeout_limit,
start_time=start_time)
# reset the HTTP total time
poolrequests.reset_time_for_thread()
# enable HTTP only if explicitly enabled
poolrequests.set_enable_http_protocol(self.engine.enable_http)
# suppose everything will be alright
requests_exception = False
suspended_time = None
try:
# send requests and parse the results
search_results = self._search_basic(query, params)
# check if the engine accepted the request
if search_results is not None:
# yes, so add results
result_container.extend(self.engine_name, search_results)
# update engine time when there is no exception
engine_time = time() - start_time
page_load_time = poolrequests.get_time_for_thread()
result_container.add_timing(self.engine_name, engine_time,
page_load_time)
with threading.RLock():
self.engine.stats['engine_time'] += engine_time
self.engine.stats['engine_time_count'] += 1
# update stats with the total HTTP time
self.engine.stats['page_load_time'] += page_load_time
self.engine.stats['page_load_count'] += 1
except Exception as e:
record_exception(self.engine_name, e)
# Timing
engine_time = time() - start_time
page_load_time = poolrequests.get_time_for_thread()
result_container.add_timing(self.engine_name, engine_time,
page_load_time)
# Record the errors
with threading.RLock():
self.engine.stats['errors'] += 1
if (issubclass(e.__class__, requests.exceptions.Timeout)):
result_container.add_unresponsive_engine(
self.engine_name, 'HTTP timeout')
# requests timeout (connect or read)
logger.error(
"engine {0} : HTTP requests timeout"
"(search duration : {1} s, timeout: {2} s) : {3}".format(
self.engine_name, engine_time, timeout_limit,
e.__class__.__name__))
requests_exception = True
elif (issubclass(e.__class__,
requests.exceptions.RequestException)):
result_container.add_unresponsive_engine(
self.engine_name, 'HTTP error')
# other requests exception
logger.exception(
"engine {0} : requests exception"
"(search duration : {1} s, timeout: {2} s) : {3}".format(
self.engine_name, engine_time, timeout_limit, e))
requests_exception = True
elif (issubclass(e.__class__, SearxEngineCaptchaException)):
result_container.add_unresponsive_engine(
self.engine_name, 'CAPTCHA required')
logger.exception('engine {0} : CAPTCHA'.format(
self.engine_name))
suspended_time = e.suspended_time # pylint: disable=no-member
elif (issubclass(e.__class__,
SearxEngineTooManyRequestsException)):
result_container.add_unresponsive_engine(
self.engine_name, 'too many requests')
logger.exception('engine {0} : Too many requests'.format(
self.engine_name))
suspended_time = e.suspended_time # pylint: disable=no-member
elif (issubclass(e.__class__, SearxEngineAccessDeniedException)):
result_container.add_unresponsive_engine(
self.engine_name, 'blocked')
logger.exception('engine {0} : Searx is blocked'.format(
self.engine_name))
suspended_time = e.suspended_time # pylint: disable=no-member
else:
result_container.add_unresponsive_engine(
self.engine_name, 'unexpected crash')
# others errors
logger.exception('engine {0} : exception : {1}'.format(
self.engine_name, e))
else:
if getattr(threading.current_thread(), '_timeout', False):
record_error(self.engine_name, 'Timeout')
# suspend the engine if there is an HTTP error
# or suspended_time is defined
with threading.RLock():
if requests_exception or suspended_time:
# update continuous_errors / suspend_end_time
self.engine.continuous_errors += 1
if suspended_time is None:
suspended_time = min(
settings['search']['max_ban_time_on_fail'],
self.engine.continuous_errors *
settings['search']['ban_time_on_fail'])
self.engine.suspend_end_time = time() + suspended_time
else:
# reset the suspend variables
self.engine.continuous_errors = 0
self.engine.suspend_end_time = 0
engine['percentage'] = 0
for engine in errors:
if max_errors:
engine['percentage'] = int(float(engine['avg']) / max_errors * 100)
else:
engine['percentage'] = 0
return [
(gettext('Page loads (sec)'), sorted(pageloads,
key=itemgetter('avg'))),
(gettext('Number of results'),
sorted(results, key=itemgetter('avg'), reverse=True)),
(gettext('Scores'), sorted(scores, key=itemgetter('avg'),
reverse=True)),
(gettext('Scores per result'),
sorted(scores_per_result, key=itemgetter('avg'), reverse=True)),
(gettext('Errors'), sorted(errors, key=itemgetter('avg'),
reverse=True)),
]
if 'engines' not in settings or not settings['engines']:
logger.error('No engines found. Edit your settings.yml')
exit(2)
for engine_data in settings['engines']:
engine = load_engine(engine_data)
if engine is not None:
engines[engine.name] = engine
def response(resp):
"""Get response from google's search request"""
results = []
# detect google sorry
resp_url = urlparse(resp.url)
if resp_url.netloc == 'sorry.google.com' or resp_url.path == '/sorry/IndexRedirect':
raise RuntimeWarning('sorry.google.com')
if resp_url.path.startswith('/sorry'):
raise RuntimeWarning(gettext('CAPTCHA required'))
# which subdomain ?
# subdomain = resp.search_params.get('google_subdomain')
# convert the text to dom
dom = html.fromstring(resp.text)
# results --> answer
answer = eval_xpath(dom, '//div[contains(@class, "LGOjhe")]//text()')
if answer:
results.append({'answer': ' '.join(answer)})
else:
logger.debug("did not found 'answer'")
# results --> number_of_results
try:
_txt = eval_xpath(dom, '//div[@id="result-stats"]//text()')[0]
_digit = ''.join([n for n in _txt if n.isdigit()])
number_of_results = int(_digit)
results.append({'number_of_results': number_of_results})
except Exception as e: # pylint: disable=broad-except
logger.debug("did not 'number_of_results'")
logger.error(e, exc_info=True)
# parse results
for result in eval_xpath(dom, results_xpath):
# google *sections*
if extract_text(eval_xpath(result, g_section_with_header)):
logger.debug("ingoring <g-section-with-header>")
continue
try:
title_tag = eval_xpath(result, title_xpath)
if not title_tag:
# this not one of the common google results *section*
logger.debug('ingoring <div class="g" ../> section: missing title')
continue
title = extract_text(title_tag[0])
url = eval_xpath(result, href_xpath)[0]
content = extract_text_from_dom(result, content_xpath)
results.append({
'url': url,
'title': title,
'content': content
})
except Exception as e: # pylint: disable=broad-except
logger.error(e, exc_info=True)
# from lxml import etree
# logger.debug(etree.tostring(result, pretty_print=True))
# import pdb
# pdb.set_trace()
continue
# parse suggestion
for suggestion in eval_xpath(dom, suggestion_xpath):
# append suggestion
results.append({'suggestion': extract_text(suggestion)})
for correction in eval_xpath(dom, spelling_suggestion_xpath):
results.append({'correction': extract_text(correction)})
# return results
return results
def search_one_request_safe(engine_name, query, request_params, result_container, start_time, timeout_limit):
# set timeout for all HTTP requests
requests_lib.set_timeout_for_thread(timeout_limit, start_time=start_time)
# reset the HTTP total time
requests_lib.reset_time_for_thread()
#
engine = engines[engine_name]
# suppose everything will be alright
requests_exception = False
try:
# send requests and parse the results
search_results = search_one_request(engine, query, request_params)
# add results
result_container.extend(engine_name, search_results)
# update engine time when there is no exception
with threading.RLock():
engine.stats['engine_time'] += time() - start_time
engine.stats['engine_time_count'] += 1
# update stats with the total HTTP time
engine.stats['page_load_time'] += requests_lib.get_time_for_thread()
engine.stats['page_load_count'] += 1
except Exception as e:
search_duration = time() - start_time
with threading.RLock():
engine.stats['errors'] += 1
if (issubclass(e.__class__, requests.exceptions.Timeout)):
result_container.add_unresponsive_engine((engine_name, gettext('timeout')))
# requests timeout (connect or read)
logger.error("engine {0} : HTTP requests timeout"
"(search duration : {1} s, timeout: {2} s) : {3}"
.format(engine_name, search_duration, timeout_limit, e.__class__.__name__))
requests_exception = True
elif (issubclass(e.__class__, requests.exceptions.RequestException)):
result_container.add_unresponsive_engine((engine_name, gettext('request exception')))
# other requests exception
logger.exception("engine {0} : requests exception"
"(search duration : {1} s, timeout: {2} s) : {3}"
.format(engine_name, search_duration, timeout_limit, e))
requests_exception = True
else:
result_container.add_unresponsive_engine((
engine_name,
u'{0}: {1}'.format(gettext('unexpected crash'), e),
))
# others errors
logger.exception('engine {0} : exception : {1}'.format(engine_name, e))
# suspend or not the engine if there are HTTP errors
with threading.RLock():
if requests_exception:
# update continuous_errors / suspend_end_time
engine.continuous_errors += 1
engine.suspend_end_time = time() + min(60, engine.continuous_errors)
else:
# no HTTP error (perhaps an engine error)
# anyway, reset the suspend variables
engine.continuous_errors = 0
engine.suspend_end_time = 0
from searx.autocomplete import searx_bang, backends as autocomplete_backends
from searx.plugins import plugins
from searx.plugins.oa_doi_rewrite import get_doi_resolver
from searx.preferences import Preferences, ValidationException, LANGUAGE_CODES
from searx.answerers import answerers
from searx.poolrequests import get_global_proxies
from searx.metrology.error_recorder import errors_per_engines
# serve pages with HTTP/1.1
from werkzeug.serving import WSGIRequestHandler
WSGIRequestHandler.protocol_version = "HTTP/{}".format(settings['server'].get('http_protocol_version', '1.0'))
# check secret_key
if not searx_debug and settings['server']['secret_key'] == 'ultrasecretkey':
logger.error('server.secret_key is not changed. Please use something else instead of ultrasecretkey.')
exit(1)
# about static
static_path = get_resources_directory(searx_dir, 'static', settings['ui']['static_path'])
logger.debug('static directory is %s', static_path)
static_files = get_static_files(static_path)
# about templates
default_theme = settings['ui']['default_theme']
templates_path = get_resources_directory(searx_dir, 'templates', settings['ui']['templates_path'])
logger.debug('templates directory is %s', templates_path)
themes = get_themes(templates_path)
result_templates = get_result_templates(templates_path)
global_favicons = []
for indice, theme in enumerate(themes):
def response(resp):
"""Get response from google's search request"""
detect_google_sorry(resp)
results = []
# which subdomain ?
# subdomain = resp.search_params.get('google_subdomain')
# convert the text to dom
dom = html.fromstring(resp.text)
# results --> answer
answer = eval_xpath(dom, '//div[contains(@class, "LGOjhe")]//text()')
if answer:
results.append({'answer': ' '.join(answer)})
else:
logger.debug("did not found 'answer'")
# results --> number_of_results
try:
_txt = eval_xpath_getindex(dom,
'//div[@id="result-stats"]//text()', 0)
_digit = ''.join([n for n in _txt if n.isdigit()])
number_of_results = int(_digit)
results.append({'number_of_results': number_of_results})
except Exception as e: # pylint: disable=broad-except
logger.debug("did not 'number_of_results'")
logger.error(e, exc_info=True)
# parse results
for result in eval_xpath_list(dom, results_xpath):
# google *sections*
if extract_text(eval_xpath(result, g_section_with_header)):
logger.debug("ingoring <g-section-with-header>")
continue
try:
title_tag = eval_xpath_getindex(result,
title_xpath,
0,
default=None)
if title_tag is None:
# this not one of the common google results *section*
logger.debug(
'ingoring <div class="g" ../> section: missing title')
continue
title = extract_text(title_tag)
url = eval_xpath_getindex(result, href_xpath, 0)
content = extract_text(eval_xpath_getindex(result,
content_xpath,
0,
default=None),
allow_none=True)
results.append({'url': url, 'title': title, 'content': content})
except Exception as e: # pylint: disable=broad-except
logger.error(e, exc_info=True)
# from lxml import etree
# logger.debug(etree.tostring(result, pretty_print=True))
# import pdb
# pdb.set_trace()
continue
# parse suggestion
for suggestion in eval_xpath_list(dom, suggestion_xpath):
# append suggestion
results.append({'suggestion': extract_text(suggestion)})
for correction in eval_xpath_list(dom, spelling_suggestion_xpath):
results.append({'correction': extract_text(correction)})
# return results
return results
def load_engine(engine_data):
if '_' in engine_data['name']:
logger.error('Engine name conains underscore: "{}"'.format(engine_data['name']))
sys.exit(1)
engine_module = engine_data['engine']
try:
engine = load_module(engine_module + '.py', engine_dir)
except:
logger.exception('Cannot load engine "{}"'.format(engine_module))
return None
for param_name in engine_data:
if param_name == 'engine':
continue
if param_name == 'categories':
if engine_data['categories'] == 'none':
engine.categories = []
else:
engine.categories = list(map(str.strip, engine_data['categories'].split(',')))
continue
setattr(engine, param_name, engine_data[param_name])
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 languages:
setattr(engine, 'supported_languages', languages[engine_data['name']])
# assign language fetching method if auxiliary method exists
if hasattr(engine, '_fetch_supported_languages'):
setattr(engine, 'fetch_supported_languages',
lambda: engine._fetch_supported_languages(get(engine.supported_languages_url)))
engine.stats = {
'result_count': 0,
'search_count': 0,
'page_load_time': 0,
'page_load_count': 0,
'engine_time': 0,
'engine_time_count': 0,
'score_count': 0,
'errors': 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 response(resp):
"""Get response from google's search request"""
results = []
detect_google_sorry(resp)
# convert the text to dom
dom = html.fromstring(resp.text)
img_bas64_map = scrap_out_thumbs(dom)
img_src_script = eval_xpath_getindex(
dom, '//script[contains(., "AF_initDataCallback({key: ")]', 1).text
# parse results
#
# root element::
# <div id="islmp" ..>
# result div per image::
# <div jsmodel="tTXmib"> / <div jsaction="..." data-id="..."
# The data-id matches to a item in a json-data structure in::
# <script nonce="I+vqelcy/01CKiBJi5Z1Ow">AF_initDataCallback({key: 'ds:1', ... data:function(){return [ ...
# In this structure the link to the origin PNG, JPG or whatever is given
# first link per image-div contains a <img> with the data-iid for bas64 encoded image data::
# <img class="rg_i Q4LuWd" data-iid="0"
# second link per image-div is the target link::
# <a class="VFACy kGQAp" href="https://en.wikipedia.org/wiki/The_Sacrament_of_the_Last_Supper">
# the second link also contains two div tags with the *description* and *publisher*::
# <div class="WGvvNb">The Sacrament of the Last Supper ...</div>
# <div class="fxgdke">en.wikipedia.org</div>
root = eval_xpath(dom, '//div[@id="islmp"]')
if not root:
logger.error("did not find root element id='islmp'")
return results
root = root[0]
for img_node in eval_xpath_list(root, './/img[contains(@class, "rg_i")]'):
img_alt = eval_xpath_getindex(img_node, '@alt', 0)
img_base64_id = eval_xpath(img_node, '@data-iid')
if img_base64_id:
img_base64_id = img_base64_id[0]
thumbnail_src = img_bas64_map[img_base64_id]
else:
thumbnail_src = eval_xpath(img_node, '@src')
if not thumbnail_src:
thumbnail_src = eval_xpath(img_node, '@data-src')
if thumbnail_src:
thumbnail_src = thumbnail_src[0]
else:
thumbnail_src = ''
link_node = eval_xpath_getindex(img_node, '../../../a[2]', 0)
url = eval_xpath_getindex(link_node, '@href', 0)
pub_nodes = eval_xpath(link_node, './div/div')
pub_descr = img_alt
pub_source = ''
if pub_nodes:
pub_descr = extract_text(pub_nodes[0])
pub_source = extract_text(pub_nodes[1])
img_src_id = eval_xpath_getindex(img_node, '../../../@data-id', 0)
src_url = scrap_img_by_id(img_src_script, img_src_id)
if not src_url:
src_url = thumbnail_src
results.append({
'url': url,
'title': img_alt,
'content': pub_descr,
'source': pub_source,
'img_src': src_url,
# 'img_format': img_format,
'thumbnail_src': thumbnail_src,
'template': 'images.html'
})
return results
def search_one_request_safe(engine_name, query, request_params, result_container, start_time, timeout_limit):
# set timeout for all HTTP requests
requests_lib.set_timeout_for_thread(timeout_limit, start_time=start_time)
# reset the HTTP total time
requests_lib.reset_time_for_thread()
#
engine = engines[engine_name]
# suppose everything will be alright
requests_exception = False
try:
# send requests and parse the results
search_results = search_one_request(engine, query, request_params)
# add results
result_container.extend(engine_name, search_results)
# update engine time when there is no exception
with threading.RLock():
engine.stats['engine_time'] += time() - start_time
engine.stats['engine_time_count'] += 1
# update stats with the total HTTP time
engine.stats['page_load_time'] += requests_lib.get_time_for_thread()
engine.stats['page_load_count'] += 1
except Exception as e:
search_duration = time() - start_time
with threading.RLock():
engine.stats['errors'] += 1
if (issubclass(e.__class__, requests.exceptions.Timeout)):
result_container.add_unresponsive_engine((engine_name, gettext('timeout')))
# requests timeout (connect or read)
logger.error("engine {0} : HTTP requests timeout"
"(search duration : {1} s, timeout: {2} s) : {3}"
.format(engine_name, search_duration, timeout_limit, e.__class__.__name__))
requests_exception = True
elif (issubclass(e.__class__, requests.exceptions.RequestException)):
result_container.add_unresponsive_engine((engine_name, gettext('request exception')))
# other requests exception
logger.exception("engine {0} : requests exception"
"(search duration : {1} s, timeout: {2} s) : {3}"
.format(engine_name, search_duration, timeout_limit, e))
requests_exception = True
else:
result_container.add_unresponsive_engine((
engine_name,
u'{0}: {1}'.format(gettext('unexpected crash'), e),
))
# others errors
logger.exception('engine {0} : exception : {1}'.format(engine_name, e))
# suspend or not the engine if there are HTTP errors
with threading.RLock():
if requests_exception:
# update continuous_errors / suspend_end_time
engine.continuous_errors += 1
engine.suspend_end_time = time() + min(60, engine.continuous_errors)
else:
# no HTTP error (perhaps an engine error)
# anyway, reset the suspend variables
engine.continuous_errors = 0
engine.suspend_end_time = 0
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) as e:
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 in engine_data:
if param_name == 'engine':
continue
if param_name == 'categories':
if engine_data['categories'] == 'none':
engine.categories = []
else:
engine.categories = list(
map(str.strip, engine_data['categories'].split(',')))
continue
setattr(engine, param_name, engine_data[param_name])
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 languages:
setattr(engine, 'supported_languages', 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)
# assign language fetching method if auxiliary method exists
if hasattr(engine, '_fetch_supported_languages'):
setattr(
engine, 'fetch_supported_languages',
lambda: engine._fetch_supported_languages(
get(engine.supported_languages_url)))
engine.stats = {
'result_count': 0,
'search_count': 0,
'engine_time': 0,
'engine_time_count': 0,
'score_count': 0,
'errors': 0
}
if not engine.offline:
engine.stats['page_load_time'] = 0
engine.stats['page_load_count'] = 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_one_http_request_safe(engine_name, query, request_params,
result_container, start_time, timeout_limit):
# set timeout for all HTTP requests
requests_lib.set_timeout_for_thread(timeout_limit, start_time=start_time)
# reset the HTTP total time
requests_lib.reset_time_for_thread()
#
engine = engines[engine_name]
# suppose everything will be alright
requests_exception = False
try:
# send requests and parse the results
search_results = search_one_http_request(engine, query, request_params)
# check if the engine accepted the request
if search_results is not None:
# yes, so add results
result_container.extend(engine_name, search_results)
# update engine time when there is no exception
engine_time = time() - start_time
page_load_time = requests_lib.get_time_for_thread()
result_container.add_timing(engine_name, engine_time,
page_load_time)
with threading.RLock():
engine.stats['engine_time'] += engine_time
engine.stats['engine_time_count'] += 1
# update stats with the total HTTP time
engine.stats['page_load_time'] += page_load_time
engine.stats['page_load_count'] += 1
except Exception as e:
record_exception(engine_name, e)
# Timing
engine_time = time() - start_time
page_load_time = requests_lib.get_time_for_thread()
result_container.add_timing(engine_name, engine_time, page_load_time)
# Record the errors
with threading.RLock():
engine.stats['errors'] += 1
if (issubclass(e.__class__, requests.exceptions.Timeout)):
result_container.add_unresponsive_engine(engine_name,
'HTTP timeout')
# requests timeout (connect or read)
logger.error(
"engine {0} : HTTP requests timeout"
"(search duration : {1} s, timeout: {2} s) : {3}".format(
engine_name, engine_time, timeout_limit,
e.__class__.__name__))
requests_exception = True
elif (issubclass(e.__class__, requests.exceptions.RequestException)):
result_container.add_unresponsive_engine(engine_name, 'HTTP error')
# other requests exception
logger.exception(
"engine {0} : requests exception"
"(search duration : {1} s, timeout: {2} s) : {3}".format(
engine_name, engine_time, timeout_limit, e))
requests_exception = True
elif (issubclass(e.__class__, SearxEngineCaptchaException)):
result_container.add_unresponsive_engine(engine_name,
'CAPTCHA required')
logger.exception('engine {0} : CAPTCHA')
else:
result_container.add_unresponsive_engine(engine_name,
'unexpected crash')
# others errors
logger.exception('engine {0} : exception : {1}'.format(
engine_name, e))
else:
if getattr(threading.current_thread(), '_timeout', False):
record_error(engine_name, 'Timeout')
# suspend or not the engine if there are HTTP errors
with threading.RLock():
if requests_exception:
# update continuous_errors / suspend_end_time
engine.continuous_errors += 1
engine.suspend_end_time = time() + min(
settings['search']['max_ban_time_on_fail'],
engine.continuous_errors *
settings['search']['ban_time_on_fail'])
else:
# no HTTP error (perhaps an engine error)
# anyway, reset the suspend variables
engine.continuous_errors = 0
engine.suspend_end_time = 0
def response(resp):
"""Get response from google's search request"""
results = []
# detect google sorry
resp_url = urlparse(resp.url)
if resp_url.netloc == "sorry.google.com" or resp_url.path == "/sorry/IndexRedirect":
raise SearxEngineCaptchaException()
if resp_url.path.startswith("/sorry"):
raise SearxEngineCaptchaException()
# which subdomain ?
# subdomain = resp.search_params.get('google_subdomain')
# convert the text to dom
dom = html.fromstring(resp.text)
img_bas64_map = scrap_out_thumbs(dom)
img_src_script = eval_xpath(
dom, '//script[contains(., "AF_initDataCallback({key: ")]')[1].text
# parse results
#
# root element::
# <div id="islmp" ..>
# result div per image::
# <div jsmodel="tTXmib"> / <div jsaction="..." data-id="..."
# The data-id matches to a item in a json-data structure in::
# <script nonce="I+vqelcy/01CKiBJi5Z1Ow">AF_initDataCallback({key: 'ds:1', ... data:function(){return [ ...
# In this structure the link to the origin PNG, JPG or whatever is given
# first link per image-div contains a <img> with the data-iid for bas64 encoded image data::
# <img class="rg_i Q4LuWd" data-iid="0"
# second link per image-div is the target link::
# <a class="VFACy kGQAp" href="https://en.wikipedia.org/wiki/The_Sacrament_of_the_Last_Supper">
# the second link also contains two div tags with the *description* and *publisher*::
# <div class="WGvvNb">The Sacrament of the Last Supper ...</div>
# <div class="fxgdke">en.wikipedia.org</div>
root = eval_xpath(dom, '//div[@id="islmp"]')
if not root:
logger.error("did not find root element id='islmp'")
return results
root = root[0]
for img_node in eval_xpath(root, './/img[contains(@class, "rg_i")]'):
try:
img_alt = eval_xpath(img_node, "@alt")[0]
img_base64_id = eval_xpath(img_node, "@data-iid")
if img_base64_id:
img_base64_id = img_base64_id[0]
thumbnail_src = img_bas64_map[img_base64_id]
else:
thumbnail_src = eval_xpath(img_node, "@src")
if not thumbnail_src:
thumbnail_src = eval_xpath(img_node, "@data-src")
if thumbnail_src:
thumbnail_src = thumbnail_src[0]
else:
thumbnail_src = ""
link_node = eval_xpath(img_node, "../../../a[2]")[0]
url = eval_xpath(link_node, "@href")[0]
pub_nodes = eval_xpath(link_node, "./div/div")
pub_descr = img_alt
pub_source = ""
if pub_nodes:
pub_descr = extract_text(pub_nodes[0])
pub_source = extract_text(pub_nodes[1])
img_src_id = eval_xpath(img_node, "../../../@data-id")[0]
src_url = scrap_img_by_id(img_src_script, img_src_id)
if not src_url:
src_url = thumbnail_src
results.append({
"url": url,
"title": img_alt,
"content": pub_descr,
"source": pub_source,
"img_src": src_url,
"img_format": {
"width": int(eval_xpath(img_node, "@width")[0]),
"height": int(eval_xpath(img_node, "@height")[0]),
},
"thumbnail_src": thumbnail_src,
"template": "images.html",
})
except Exception as e: # pylint: disable=broad-except
logger.error(e, exc_info=True)
# from lxml import etree
# logger.debug(etree.tostring(img_node, pretty_print=True))
# import pdb
# pdb.set_trace()
continue
return results
for engine in scores_per_result:
if max_score_per_result:
engine["percentage"] = int(engine["avg"] / max_score_per_result * 100)
else:
engine["percentage"] = 0
for engine in errors:
if max_errors:
engine["percentage"] = int(float(engine["avg"]) / max_errors * 100)
else:
engine["percentage"] = 0
return [
(gettext("Page loads (sec)"), sorted(pageloads, key=itemgetter("avg"))),
(gettext("Number of results"), sorted(results, key=itemgetter("avg"), reverse=True)),
(gettext("Scores"), sorted(scores, key=itemgetter("avg"), reverse=True)),
(gettext("Scores per result"), sorted(scores_per_result, key=itemgetter("avg"), reverse=True)),
(gettext("Errors"), sorted(errors, key=itemgetter("avg"), reverse=True)),
]
if "engines" not in settings or not settings["engines"]:
logger.error("No engines found. Edit your settings.yml")
exit(2)
for engine_data in settings["engines"]:
engine = load_engine(engine_data)
if engine is not None:
engines[engine.name] = engine
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 response(resp):
"""Get response from google's search request"""
results = []
# detect google sorry
resp_url = urlparse(resp.url)
if resp_url.netloc == 'sorry.google.com' or resp_url.path == '/sorry/IndexRedirect':
raise RuntimeWarning('sorry.google.com')
if resp_url.path.startswith('/sorry'):
raise RuntimeWarning(gettext('CAPTCHA required'))
# which subdomain ?
# subdomain = resp.search_params.get('google_subdomain')
# convert the text to dom
dom = html.fromstring(resp.text)
img_bas64_map = scrap_out_thumbs(dom)
# parse results
#
# root element::
# <div id="islmp" ..>
# result div per image::
# <div jsmodel="tTXmib"> / <div jsaction="..." data-id="..."
# The data-id matches to a item in a json-data structure in::
# <script nonce="I+vqelcy/01CKiBJi5Z1Ow">AF_initDataCallback({key: 'ds:1', ... data:function(){return [ ...
# In this structure the ling to the origin PNG, JPG or whatever is given
# (we do not blow out the link there, you could still implement that)
# first link per image-div contains a <img> with the data-iid for bas64 encoded image data::
# <img class="rg_i Q4LuWd" data-iid="0"
# second link per image-div is the target link::
# <a class="VFACy kGQAp" href="https://en.wikipedia.org/wiki/The_Sacrament_of_the_Last_Supper">
# the second link also contains two div tags with the *description* and *publisher*::
# <div class="WGvvNb">The Sacrament of the Last Supper ...</div>
# <div class="fxgdke">en.wikipedia.org</div>
root = eval_xpath(dom, '//div[@id="islmp"]')
if not root:
logger.error("did not find root element id='islmp'")
return results
root = root[0]
for img_node in eval_xpath(root, './/img[contains(@class, "rg_i")]'):
try:
img_alt = eval_xpath(img_node, '@alt')[0]
img_base64_id = eval_xpath(img_node, '@data-iid')
if img_base64_id:
img_base64_id = img_base64_id[0]
thumbnail_src = img_bas64_map[img_base64_id]
else:
thumbnail_src = eval_xpath(img_node, '@src')
if not thumbnail_src:
thumbnail_src = eval_xpath(img_node, '@data-src')
if thumbnail_src:
thumbnail_src = thumbnail_src[0]
else:
thumbnail_src = ''
link_node = eval_xpath(img_node, '../../../a[2]')[0]
url = eval_xpath(link_node, '@href')[0]
pub_nodes = eval_xpath(link_node, './div/div')
pub_descr = img_alt
pub_source = ''
if pub_nodes:
pub_descr = extract_text(pub_nodes[0])
pub_source = extract_text(pub_nodes[1])
results.append({
'url': url,
'title': img_alt,
'content': pub_descr,
'source': pub_source,
'img_src': url,
# 'img_format': img_format,
'thumbnail_src': thumbnail_src,
'template': 'images.html'
})
except Exception as e: # pylint: disable=broad-except
logger.error(e, exc_info=True)
# from lxml import etree
# logger.debug(etree.tostring(img_node, pretty_print=True))
# import pdb
# pdb.set_trace()
continue
return results
(
gettext('Page loads (sec)'),
sorted(pageloads, key=itemgetter('avg'))
),
(
gettext('Number of results'),
sorted(results, key=itemgetter('avg'), reverse=True)
),
(
gettext('Scores'),
sorted(scores, key=itemgetter('avg'), reverse=True)
),
(
gettext('Scores per result'),
sorted(scores_per_result, key=itemgetter('avg'), reverse=True)
),
(
gettext('Errors'),
sorted(errors, key=itemgetter('avg'), reverse=True)
),
]
if 'engines' not in settings or not settings['engines']:
logger.error('No engines found. Edit your settings.yml')
exit(2)
for engine_data in settings['engines']:
engine = load_engine(engine_data)
engines[engine.name] = engine
def load_engine(engine_data):
engine_name = engine_data['engine']
engine = load_module(engine_name + '.py')
for param_name in engine_data:
if param_name == 'engine':
continue
if param_name == 'categories':
if engine_data['categories'] == 'none':
engine.categories = []
else:
engine.categories = map(
str.strip, engine_data['categories'].split(','))
continue
setattr(engine, param_name, engine_data[param_name])
if not hasattr(engine, 'paging'):
engine.paging = False
if not hasattr(engine, 'categories'):
engine.categories = ['general']
if not hasattr(engine, 'language_support'):
engine.language_support = True
if not hasattr(engine, 'timeout'):
engine.timeout = settings['server']['request_timeout']
if not hasattr(engine, 'shortcut'):
engine.shortcut = ''
if not hasattr(engine, 'disabled'):
engine.disabled = False
# checking required variables
for engine_attr in dir(engine):
if engine_attr.startswith('_'):
continue
if getattr(engine, engine_attr) is None:
logger.error('Missing engine config attribute: "{0}.{1}"'
.format(engine.name, engine_attr))
sys.exit(1)
engine.stats = {
'result_count': 0,
'search_count': 0,
'page_load_time': 0,
'score_count': 0,
'errors': 0
}
if hasattr(engine, 'categories'):
for category_name in engine.categories:
categories.setdefault(category_name, []).append(engine)
else:
categories['general'].append(engine)
if engine.shortcut:
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 load_engine(engine_data):
engine_name = engine_data['engine']
engine = load_module(engine_name + '.py')
for param_name in engine_data:
if param_name == 'engine':
continue
if param_name == 'categories':
if engine_data['categories'] == 'none':
engine.categories = []
else:
engine.categories = map(str.strip,
engine_data['categories'].split(','))
continue
setattr(engine, param_name, engine_data[param_name])
if not hasattr(engine, 'paging'):
engine.paging = False
if not hasattr(engine, 'categories'):
engine.categories = ['general']
if not hasattr(engine, 'language_support'):
engine.language_support = True
if not hasattr(engine, 'timeout'):
engine.timeout = settings['server']['request_timeout']
if not hasattr(engine, 'shortcut'):
engine.shortcut = ''
if not hasattr(engine, 'disabled'):
engine.disabled = False
# checking required variables
for engine_attr in dir(engine):
if engine_attr.startswith('_'):
continue
if getattr(engine, engine_attr) is None:
logger.error('Missing engine config attribute: "{0}.{1}"'.format(
engine.name, engine_attr))
sys.exit(1)
engine.stats = {
'result_count': 0,
'search_count': 0,
'page_load_time': 0,
'score_count': 0,
'errors': 0
}
if hasattr(engine, 'categories'):
for category_name in engine.categories:
categories.setdefault(category_name, []).append(engine)
else:
categories['general'].append(engine)
if engine.shortcut:
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 response(resp):
"""Get response from google's search request"""
detect_google_sorry(resp)
results = []
# convert the text to dom
dom = html.fromstring(resp.text)
# results --> answer
answer_list = eval_xpath(dom, '//div[contains(@class, "LGOjhe")]')
if answer_list:
answer_list = [_.xpath("normalize-space()") for _ in answer_list]
results.append({'answer': ' '.join(answer_list)})
else:
logger.debug("did not find 'answer'")
# results --> number_of_results
if not use_mobile_ui:
try:
_txt = eval_xpath_getindex(
dom, '//div[@id="result-stats"]//text()', 0)
_digit = ''.join([n for n in _txt if n.isdigit()])
number_of_results = int(_digit)
results.append({'number_of_results': number_of_results})
except Exception as e: # pylint: disable=broad-except
logger.debug("did not 'number_of_results'")
logger.error(e, exc_info=True)
# parse results
_results_xpath = results_xpath
if use_mobile_ui:
_results_xpath = results_xpath_mobile_ui
for result in eval_xpath_list(dom, _results_xpath):
# google *sections*
if extract_text(eval_xpath(result, g_section_with_header)):
logger.debug("ingoring <g-section-with-header>")
continue
try:
title_tag = eval_xpath_getindex(result,
title_xpath,
0,
default=None)
if title_tag is None:
# this not one of the common google results *section*
logger.debug(
'ingoring item from the result_xpath list: missing title')
continue
title = extract_text(title_tag)
url = eval_xpath_getindex(result, href_xpath, 0, None)
if url is None:
continue
content = extract_text(eval_xpath_getindex(result,
content_xpath,
0,
default=None),
allow_none=True)
if content is None:
logger.debug(
'ingoring item from the result_xpath list: missing content of title "%s"',
title)
continue
logger.debug('add link to results: %s', title)
results.append({'url': url, 'title': title, 'content': content})
except Exception as e: # pylint: disable=broad-except
logger.error(e, exc_info=True)
continue
# parse suggestion
for suggestion in eval_xpath_list(dom, suggestion_xpath):
# append suggestion
results.append({'suggestion': extract_text(suggestion)})
for correction in eval_xpath_list(dom, spelling_suggestion_xpath):
results.append({'correction': extract_text(correction)})
# return results
return results
