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Merge pull request #1700 from kvch/intro-offline-engines

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Initialize support for offline engines
This commit is contained in:
Adam Tauber 2019-10-16 13:54:54 +00:00 committed by GitHub
commit 12f42d1572
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GPG Key ID: 4AEE18F83AFDEB23
19 changed files with 227 additions and 61 deletions
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27
searx/engines/__init__.py
View File

@ -27,7 +27,7 @@ from json import loads
from requests import get
from searx import settings
from searx import logger
from searx.utils import load_module, match_language
from searx.utils import load_module, match_language, get_engine_from_settings
logger = logger.getChild('engines')
@ -53,7 +53,8 @@ engine_default_args = {'paging': False,
'disabled': False,
'suspend_end_time': 0,
'continuous_errors': 0,
'time_range_support': False}
'time_range_support': False,
'offline': False}
def load_engine(engine_data):
@ -128,14 +129,16 @@ def load_engine(engine_data):
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
}
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)
@ -173,11 +176,6 @@ def get_engines_stats():
results_num = \
engine.stats['result_count'] / float(engine.stats['search_count'])
if engine.stats['page_load_count'] != 0:
load_times = engine.stats['page_load_time'] / float(engine.stats['page_load_count']) # noqa
else:
load_times = 0
if engine.stats['engine_time_count'] != 0:
this_engine_time = engine.stats['engine_time'] / float(engine.stats['engine_time_count']) # noqa
else:
@ -189,14 +187,19 @@ def get_engines_stats():
else:
score = score_per_result = 0.0
max_pageload = max(load_times, max_pageload)
if not engine.offline:
load_times = 0
if engine.stats['page_load_count'] != 0:
load_times = engine.stats['page_load_time'] / float(engine.stats['page_load_count']) # noqa
max_pageload = max(load_times, max_pageload)
pageloads.append({'avg': load_times, 'name': engine.name})
max_engine_times = max(this_engine_time, max_engine_times)
max_results = max(results_num, max_results)
max_score = max(score, max_score)
max_score_per_result = max(score_per_result, max_score_per_result)
max_errors = max(max_errors, engine.stats['errors'])
pageloads.append({'avg': load_times, 'name': engine.name})
engine_times.append({'avg': this_engine_time, 'name': engine.name})
results.append({'avg': results_num, 'name': engine.name})
scores.append({'avg': score, 'name': engine.name})
@ -255,7 +258,7 @@ def initialize_engines(engine_list):
load_engines(engine_list)
def engine_init(engine_name, init_fn):
init_fn()
init_fn(get_engine_from_settings(engine_name))
logger.debug('%s engine: Initialized', engine_name)
for engine_name, engine in engines.items():

2
searx/engines/soundcloud.py
View File

@ -66,7 +66,7 @@ def get_client_id():
return ""
def init():
def init(engine_settings=None):
global guest_client_id
# api-key
guest_client_id = get_client_id()

2
searx/engines/wolframalpha_noapi.py
View File

@ -55,7 +55,7 @@ def obtain_token():
return token
def init():
def init(engine_settings=None):
obtain_token()

3
searx/plugins/https_rewrite.py
View File

@ -225,6 +225,9 @@ def https_url_rewrite(result):
def on_result(request, search, result):
if 'parsed_url' not in result:
return True
if result['parsed_url'].scheme == 'http':
https_url_rewrite(result)
return True

3
searx/plugins/oa_doi_rewrite.py
View File

@ -35,6 +35,9 @@ def get_doi_resolver(args, preference_doi_resolver):
def on_result(request, search, result):
if 'parsed_url' not in result:
return True
doi = extract_doi(result['parsed_url'])
if doi and len(doi) < 50:
for suffix in ('/', '.pdf', '/full', '/meta', '/abstract'):

3
searx/plugins/tracker_url_remover.py
View File

@ -30,6 +30,9 @@ preference_section = 'privacy'
def on_result(request, search, result):
if 'parsed_url' not in result:
return True
query = result['parsed_url'].query
if query == "":

74
searx/results.py
View File

@ -197,6 +197,13 @@ class ResultContainer(object):
self.infoboxes.append(infobox)
def _merge_result(self, result, position):
if 'url' in result:
self.__merge_url_result(result, position)
return
self.__merge_result_no_url(result, position)
def __merge_url_result(self, result, position):
result['parsed_url'] = urlparse(result['url'])
# if the result has no scheme, use http as default
@ -210,51 +217,60 @@ class ResultContainer(object):
if result.get('content'):
result['content'] = WHITESPACE_REGEX.sub(' ', result['content'])
# check for duplicates
duplicated = False
duplicated = self.__find_duplicated_http_result(result)
if duplicated:
self.__merge_duplicated_http_result(duplicated, result, position)
return
# if there is no duplicate found, append result
result['positions'] = [position]
with RLock():
self._merged_results.append(result)
def __find_duplicated_http_result(self, result):
result_template = result.get('template')
for merged_result in self._merged_results:
if 'parsed_url' not in merged_result:
continue
if compare_urls(result['parsed_url'], merged_result['parsed_url'])\
and result_template == merged_result.get('template'):
if result_template != 'images.html':
# not an image, same template, same url : it's a duplicate
duplicated = merged_result
break
return merged_result
else:
# it's an image
# it's a duplicate if the parsed_url, template and img_src are differents
if result.get('img_src', '') == merged_result.get('img_src', ''):
duplicated = merged_result
break
return merged_result
return None
# merge duplicates together
if duplicated:
# using content with more text
if result_content_len(result.get('content', '')) >\
result_content_len(duplicated.get('content', '')):
duplicated['content'] = result['content']
def __merge_duplicated_http_result(self, duplicated, result, position):
# using content with more text
if result_content_len(result.get('content', '')) >\
result_content_len(duplicated.get('content', '')):
duplicated['content'] = result['content']
# merge all result's parameters not found in duplicate
for key in result.keys():
if not duplicated.get(key):
duplicated[key] = result.get(key)
# merge all result's parameters not found in duplicate
for key in result.keys():
if not duplicated.get(key):
duplicated[key] = result.get(key)
# add the new position
duplicated['positions'].append(position)
# add the new position
duplicated['positions'].append(position)
# add engine to list of result-engines
duplicated['engines'].add(result['engine'])
# add engine to list of result-engines
duplicated['engines'].add(result['engine'])
# using https if possible
if duplicated['parsed_url'].scheme != 'https' and result['parsed_url'].scheme == 'https':
duplicated['url'] = result['parsed_url'].geturl()
duplicated['parsed_url'] = result['parsed_url']
# using https if possible
if duplicated['parsed_url'].scheme != 'https' and result['parsed_url'].scheme == 'https':
duplicated['url'] = result['parsed_url'].geturl()
duplicated['parsed_url'] = result['parsed_url']
# if there is no duplicate found, append result
else:
result['positions'] = [position]
with RLock():
self._merged_results.append(result)
def __merge_result_no_url(self, result, position):
result['engines'] = set([result['engine']])
result['positions'] = [position]
with RLock():
self._merged_results.append(result)
def order_results(self):
for result in self._merged_results:

74
searx/search.py
View File

@ -77,7 +77,7 @@ def send_http_request(engine, request_params):
return req(request_params['url'], **request_args)
def search_one_request(engine, query, request_params):
def search_one_http_request(engine, query, request_params):
# update request parameters dependent on
# search-engine (contained in engines folder)
engine.request(query, request_params)
@ -97,7 +97,53 @@ def search_one_request(engine, query, request_params):
return engine.response(response)
def search_one_offline_request(engine, query, request_params):
return engine.search(query, request_params)
def search_one_request_safe(engine_name, query, request_params, result_container, start_time, timeout_limit):
if engines[engine_name].offline:
return search_one_offline_request_safe(engine_name, query, request_params, result_container, start_time, timeout_limit) # noqa
return search_one_http_request_safe(engine_name, query, request_params, result_container, start_time, timeout_limit)
def search_one_offline_request_safe(engine_name, query, request_params, result_container, start_time, timeout_limit):
engine = engines[engine_name]
try:
search_results = search_one_offline_request(engine, query, request_params)
if search_results:
result_container.extend(engine_name, search_results)
engine_time = time() - start_time
result_container.add_timing(engine_name, engine_time, engine_time)
with threading.RLock():
engine.stats['engine_time'] += engine_time
engine.stats['engine_time_count'] += 1
except ValueError as e:
record_offline_engine_stats_on_error(engine, result_container, start_time)
logger.exception('engine {0} : invalid input : {1}'.format(engine_name, e))
except Exception as e:
record_offline_engine_stats_on_error(engine, result_container, start_time)
result_container.add_unresponsive_engine((
engine_name,
u'{0}: {1}'.format(gettext('unexpected crash'), e),
))
logger.exception('engine {0} : exception : {1}'.format(engine_name, e))
def record_offline_engine_stats_on_error(engine, result_container, start_time):
engine_time = time() - start_time
result_container.add_timing(engine.name, engine_time, engine_time)
with threading.RLock():
engine.stats['errors'] += 1
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
@ -111,7 +157,7 @@ def search_one_request_safe(engine_name, query, request_params, result_container
try:
# send requests and parse the results
search_results = search_one_request(engine, query, request_params)
search_results = search_one_http_request(engine, query, request_params)
# check if the engine accepted the request
if search_results is not None:
@ -427,20 +473,22 @@ class Search(object):
continue
# set default request parameters
request_params = default_request_params()
request_params['headers']['User-Agent'] = user_agent
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
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))

2
searx/static/themes/courgette/css/style.css
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File diff suppressed because one or more lines are too long

4
searx/static/themes/courgette/less/style.less
View File

@ -325,6 +325,10 @@ a {
font-size: 0.9em;
}
.result .engines {
text-align: right;
}
.result .content {
margin: 0;
color: #666;

2
searx/static/themes/legacy/css/style.css
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File diff suppressed because one or more lines are too long

4
searx/static/themes/legacy/less/style.less
View File

@ -376,6 +376,10 @@ table {
width: 100%;
}
.result-table {
margin-bottom: 10px;
}
td {
padding: 0 4px;
}

13
searx/templates/courgette/result_templates/key-value.html Normal file
View File

@ -0,0 +1,13 @@
<div class="result">
<table>
{% for key, value in result.items() %}
{% if key in ['engine', 'engines', 'template', 'score', 'category', 'positions'] %}
{% continue %}
{% endif %}
<tr>
<td><b>{{ key|upper }}</b>: {{ value|safe }}</td>
</tr>
{% endfor %}
</table>
<p class="engines">{{ result.engines|join(', ') }}</p>
</div>

13
searx/templates/legacy/result_templates/key-value.html Normal file
View File

@ -0,0 +1,13 @@
<table class="result-table">
{% for key, value in result.items() %}
{% if key in ['engine', 'engines', 'template', 'score', 'category', 'positions'] %}
{% continue %}
{% endif %}
<tr>
<td><b>{{ key|upper }}</b>: {{ value|safe }}</td>
</tr>
{% endfor %}
<tr>
<td><b>ENGINES</b>: {{ result.engines|join(', ') }}</td>
</tr>
</table>

10
searx/templates/oscar/macros.html
View File

@ -14,7 +14,7 @@
<!-- Draw result header -->
{% macro result_header(result, favicons) -%}
<h4 class="result_header">{% if result.engine~".png" in favicons %}{{ draw_favicon(result.engine) }} {% endif %}{{ result_link(result.url, result.title|safe) }}</h4>
<h4 class="result_header">{% if result.engine~".png" in favicons %}{{ draw_favicon(result.engine) }} {% endif %}{% if result.url %}{{ result_link(result.url, result.title|safe) }}{% else %}{{ result.title|safe}}{% endif %}</h4>
{%- endmacro %}
<!-- Draw result sub header -->
@ -31,12 +31,16 @@
{% for engine in result.engines %}
<span class="label label-default">{{ engine }}</span>
{% endfor %}
{% if result.url %}
<small>{{ result_link("https://web.archive.org/web/" + result.url, icon('link') + _('cached'), "text-info") }}</small>
{% endif %}
{% if proxify %}
<small>{{ result_link(proxify(result.url), icon('sort') + _('proxied'), "text-info") }}</small>
{% endif %}
</div>
{% if result.pretty_url %}
<div class="external-link">{{ result.pretty_url }}</div>
{% endif %}
{%- endmacro %}
<!-- Draw result footer -->
@ -45,11 +49,15 @@
{% for engine in result.engines %}
<span class="label label-default">{{ engine }}</span>
{% endfor %}
{% if result.url %}
<small>{{ result_link("https://web.archive.org/web/" + result.url, icon('link') + _('cached'), "text-info") }}</small>
{% endif %}
{% if proxify %}
<small>{{ result_link(proxify(result.url), icon('sort') + _('proxied'), "text-info") }}</small>
{% endif %}
{% if result.pretty_url %}
<div class="external-link">{{ result.pretty_url }}</div>
{% endif %}
{%- endmacro %}
{% macro preferences_item_header(info, label, rtl) -%}

19
searx/templates/oscar/result_templates/key-value.html Normal file
View File

@ -0,0 +1,19 @@
{% from 'oscar/macros.html' import result_footer, result_footer_rtl with context %}
<div class="panel panel-default">
<table class="table table-responsive table-bordered table-condensed">
{% for key, value in result.items() %}
{% if key in ['engine', 'engines', 'template', 'score', 'category', 'positions'] %}
{% continue %}
{% endif %}
<tr>
<td><b>{{ key|upper }}</b>: {{ value }}</td>
</tr>
{% endfor %}
</table>
{% if rtl %}
{{ result_footer_rtl(result) }}
{% else %}
{{ result_footer(result) }}
{% endif %}
</div>

11
searx/templates/simple/result_templates/key-value.html Normal file
View File

@ -0,0 +1,11 @@
<table>
{% for key, value in result.items() %}
{% if key in ['engine', 'engines', 'template', 'score', 'category', 'positions'] %}
{% continue %}
{% endif %}
<tr>
<td><b>{{ key|upper }}</b>: {{ value }}</td>
</tr>
{% endfor %}
</table>
<div class="engines">{% for engine in result.engines %}<span>{{ engine }}</span>{% endfor %}</div>{{- '' -}}

15
searx/utils.py
View File

@ -435,3 +435,18 @@ def ecma_unescape(s):
# "%20" becomes " ", "%F3" becomes "ó"
s = ecma_unescape2_re.sub(lambda e: unichr(int(e.group(1), 16)), s)
return s
def get_engine_from_settings(name):
"""Return engine configuration from settings.yml of a given engine name"""
if 'engines' not in settings:
return {}
for engine in settings['engines']:
if 'name' not in engine:
continue
if name == engine['name']:
return engine
return {}

7
searx/webapp.py
View File

@ -124,6 +124,7 @@ app = Flask(
app.jinja_env.trim_blocks = True
app.jinja_env.lstrip_blocks = True
app.jinja_env.add_extension('jinja2.ext.loopcontrols')
app.secret_key = settings['server']['secret_key']
if not searx_debug \
@ -538,14 +539,16 @@ def index():
if output_format == 'html':
if 'content' in result and result['content']:
result['content'] = highlight_content(escape(result['content'][:1024]), search_query.query)
result['title'] = highlight_content(escape(result['title'] or u''), search_query.query)
if 'title' in result and result['title']:
result['title'] = highlight_content(escape(result['title'] or u''), search_query.query)
else:
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())
result['pretty_url'] = prettify_url(result['url'])
if 'url' in result:
result['pretty_url'] = prettify_url(result['url'])
# TODO, check if timezone is calculated right
if 'publishedDate' in result: