def stats():
"""Render engine statistics page."""
sort_order = request.args.get('sort', default='name', type=str)
selected_engine_name = request.args.get('engine', default=None, type=str)
filtered_engines = dict(
filter(lambda kv: (kv[0], request.preferences.validate_token(kv[1])),
engines.items()))
if selected_engine_name:
if selected_engine_name not in filtered_engines:
selected_engine_name = None
else:
filtered_engines = [selected_engine_name]
checker_results = checker_get_result()
checker_results = (checker_results['engines']
if checker_results['status'] == 'ok'
and 'engines' in checker_results else {})
engine_stats = get_engines_stats(filtered_engines)
engine_reliabilities = get_reliabilities(filtered_engines, checker_results)
if sort_order not in STATS_SORT_PARAMETERS:
sort_order = 'name'
reverse, key_name, default_value = STATS_SORT_PARAMETERS[sort_order]
def get_key(engine_stat):
reliability = engine_reliabilities.get(engine_stat['name']).get(
'reliablity', 0)
reliability_order = 0 if reliability else 1
if key_name == 'reliability':
key = reliability
reliability_order = 0
else:
key = engine_stat.get(key_name) or default_value
if reverse:
reliability_order = 1 - reliability_order
return (reliability_order, key, engine_stat['name'])
engine_stats['time'] = sorted(engine_stats['time'],
reverse=reverse,
key=get_key)
return render(
'stats.html',
sort_order=sort_order,
engine_stats=engine_stats,
engine_reliabilities=engine_reliabilities,
selected_engine_name=selected_engine_name,
)
def stats_checker():
result = checker_get_result()
return jsonify(result)
def preferences():
"""Render preferences page && save user preferences"""
# pylint: disable=too-many-locals, too-many-return-statements, too-many-branches
# pylint: disable=too-many-statements
# save preferences
if request.method == 'POST':
resp = make_response(redirect(url_for('index', _external=True)))
try:
request.preferences.parse_form(request.form)
except ValidationException:
request.errors.append(
gettext('Invalid settings, please edit your preferences'))
return resp
return request.preferences.save(resp)
# render preferences
image_proxy = request.preferences.get_value('image_proxy') # pylint: disable=redefined-outer-name
disabled_engines = request.preferences.engines.get_disabled()
allowed_plugins = request.preferences.plugins.get_enabled()
# stats for preferences page
filtered_engines = dict(
filter(lambda kv: (kv[0], request.preferences.validate_token(kv[1])),
engines.items()))
engines_by_category = {}
for c in categories:
engines_by_category[c] = [
e for e in categories[c] if e.name in filtered_engines
]
# sort the engines alphabetically since the order in settings.yml is meaningless.
list.sort(engines_by_category[c], key=lambda e: e.name)
# get first element [0], the engine time,
# and then the second element [1] : the time (the first one is the label)
stats = {} # pylint: disable=redefined-outer-name
max_rate95 = 0
for _, e in filtered_engines.items():
h = histogram('engine', e.name, 'time', 'total')
median = round(h.percentage(50), 1) if h.count > 0 else None
rate80 = round(h.percentage(80), 1) if h.count > 0 else None
rate95 = round(h.percentage(95), 1) if h.count > 0 else None
max_rate95 = max(max_rate95, rate95 or 0)
result_count_sum = histogram('engine', e.name, 'result', 'count').sum
successful_count = counter('engine', e.name, 'search', 'count',
'successful')
result_count = int(result_count_sum /
float(successful_count)) if successful_count else 0
stats[e.name] = {
'time':
median,
'rate80':
rate80,
'rate95':
rate95,
'warn_timeout':
e.timeout > settings['outgoing']['request_timeout'],
'supports_selected_language':
_is_selected_language_supported(e, request.preferences),
'result_count':
result_count,
}
# end of stats
# reliabilities
reliabilities = {}
engine_errors = get_engine_errors(filtered_engines)
checker_results = checker_get_result()
checker_results = checker_results['engines'] \
if checker_results['status'] == 'ok' and 'engines' in checker_results else {}
for _, e in filtered_engines.items():
checker_result = checker_results.get(e.name, {})
checker_success = checker_result.get('success', True)
errors = engine_errors.get(e.name) or []
if counter('engine', e.name, 'search', 'count', 'sent') == 0:
# no request
reliablity = None
elif checker_success and not errors:
reliablity = 100
elif 'simple' in checker_result.get('errors', {}):
# the basic (simple) test doesn't work: the engine is broken accoding to the checker
# even if there is no exception
reliablity = 0
else:
reliablity = 100 - sum([
error['percentage']
for error in errors if not error.get('secondary')
])
reliabilities[e.name] = {
'reliablity': reliablity,
'errors': [],
'checker': checker_results.get(e.name, {}).get('errors',
{}).keys(),
}
# keep the order of the list checker_results[e.name]['errors'] and deduplicate.
# the first element has the highest percentage rate.
reliabilities_errors = []
for error in errors:
error_user_text = None
if error.get('secondary') or 'exception_classname' not in error:
continue
error_user_text = exception_classname_to_text.get(
error.get('exception_classname'))
if not error:
error_user_text = exception_classname_to_text[None]
if error_user_text not in reliabilities_errors:
reliabilities_errors.append(error_user_text)
reliabilities[e.name]['errors'] = reliabilities_errors
# supports
supports = {}
for _, e in filtered_engines.items():
supports_selected_language = _is_selected_language_supported(
e, request.preferences)
safesearch = e.safesearch
time_range_support = e.time_range_support
for checker_test_name in checker_results.get(e.name,
{}).get('errors', {}):
if supports_selected_language and checker_test_name.startswith(
'lang_'):
supports_selected_language = '?'
elif safesearch and checker_test_name == 'safesearch':
safesearch = '?'
elif time_range_support and checker_test_name == 'time_range':
time_range_support = '?'
supports[e.name] = {
'supports_selected_language': supports_selected_language,
'safesearch': safesearch,
'time_range_support': time_range_support,
}
return render(
'preferences.html',
selected_categories=get_selected_categories(request.preferences,
request.form),
locales=settings['locales'],
current_locale=request.preferences.get_value("locale"),
image_proxy=image_proxy,
engines_by_category=engines_by_category,
stats=stats,
max_rate95=max_rate95,
reliabilities=reliabilities,
supports=supports,
answerers=[{
'info': a.self_info(),
'keywords': a.keywords
} for a in answerers],
disabled_engines=disabled_engines,
autocomplete_backends=autocomplete_backends,
shortcuts={y: x
for x, y in engine_shortcuts.items()},
themes=themes,
plugins=plugins,
doi_resolvers=settings['doi_resolvers'],
current_doi_resolver=get_doi_resolver(
request.args, request.preferences.get_value('doi_resolver')),
allowed_plugins=allowed_plugins,
theme=get_current_theme_name(),
preferences_url_params=request.preferences.get_as_url_params(),
locked_preferences=settings['preferences']['lock'],
preferences=True)