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authorMatej Cotman <cotman.matej@gmail.com>2014-01-19 22:59:01 +0100
committerMatej Cotman <cotman.matej@gmail.com>2014-01-20 01:06:29 +0100
commitdd4662978dd74c0dce089790689fe0a8a4f9bb16 (patch)
treef10d4c2cff38a66c01fe763ee666361ec6975581 /searx/engines/__init__.py
parentb7fa79081f3c7c9ce2974c406e07b1e48cb9534a (diff)
downloadsearxng-dd4662978dd74c0dce089790689fe0a8a4f9bb16.tar.gz
searxng-dd4662978dd74c0dce089790689fe0a8a4f9bb16.zip
fix: robot fw, entry points, some flake8, package searx egg
Diffstat (limited to 'searx/engines/__init__.py')
-rw-r--r--searx/engines/__init__.py110
1 files changed, 72 insertions, 38 deletions
diff --git a/searx/engines/__init__.py b/searx/engines/__init__.py
index 457af4cda..626372189 100644
--- a/searx/engines/__init__.py
+++ b/searx/engines/__init__.py
@@ -35,6 +35,7 @@ engines = {}
categories = {'general': []}
+
def load_module(filename):
modname = splitext(filename)[0]
if modname in sys.modules:
@@ -50,7 +51,7 @@ if not 'engines' in settings or not settings['engines']:
for engine_data in settings['engines']:
engine_name = engine_data['engine']
- engine = load_module(engine_name+'.py')
+ engine = load_module(engine_name + '.py')
for param_name in engine_data:
if param_name == 'engine':
continue
@@ -58,38 +59,50 @@ for engine_data in settings['engines']:
if engine_data['categories'] == 'none':
engine.categories = []
else:
- engine.categories = map(str.strip, engine_data['categories'].split(','))
+ engine.categories = map(
+ str.strip, engine_data['categories'].split(','))
continue
setattr(engine, param_name, engine_data[param_name])
for engine_attr in dir(engine):
if engine_attr.startswith('_'):
continue
if getattr(engine, engine_attr) == None:
- print '[E] Engine config error: Missing attribute "{0}.{1}"'.format(engine.name, engine_attr)
+ print '[E] Engine config error: Missing attribute "{0}.{1}"'.format(engine.name, engine_attr) # noqa
sys.exit(1)
engines[engine.name] = engine
- engine.stats = {'result_count': 0, 'search_count': 0, 'page_load_time': 0, 'score_count': 0, 'errors': 0}
+ 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)
+
def default_request_params():
- return {'method': 'GET', 'headers': {}, 'data': {}, 'url': '', 'cookies': {}}
+ return {
+ 'method': 'GET', 'headers': {}, 'data': {}, 'url': '', 'cookies': {}}
+
def make_callback(engine_name, results, suggestions, callback, params):
# creating a callback wrapper for the search engine results
def process_callback(response, **kwargs):
cb_res = []
response.search_params = params
- engines[engine_name].stats['page_load_time'] += (datetime.now() - params['started']).total_seconds()
+ engines[engine_name].stats['page_load_time'] += \
+ (datetime.now() - params['started']).total_seconds()
try:
search_results = callback(response)
except Exception, e:
engines[engine_name].stats['errors'] += 1
results[engine_name] = cb_res
- print '[E] Error with engine "{0}":\n\t{1}'.format(engine_name, str(e))
+ print '[E] Error with engine "{0}":\n\t{1}'.format(
+ engine_name, str(e))
return
for result in search_results:
result['engine'] = engine_name
@@ -101,23 +114,25 @@ def make_callback(engine_name, results, suggestions, callback, params):
results[engine_name] = cb_res
return process_callback
+
def score_results(results):
- flat_res = filter(None, chain.from_iterable(izip_longest(*results.values())))
+ flat_res = filter(
+ None, chain.from_iterable(izip_longest(*results.values())))
flat_len = len(flat_res)
engines_len = len(results)
results = []
# deduplication + scoring
- for i,res in enumerate(flat_res):
+ for i, res in enumerate(flat_res):
res['parsed_url'] = urlparse(res['url'])
res['engines'] = [res['engine']]
weight = 1.0
if hasattr(engines[res['engine']], 'weight'):
weight = float(engines[res['engine']].weight)
- score = int((flat_len - i)/engines_len)*weight+1
+ score = int((flat_len - i) / engines_len) * weight + 1
duplicated = False
for new_res in results:
- p1 = res['parsed_url'].path[:-1] if res['parsed_url'].path.endswith('/') else res['parsed_url'].path
- p2 = new_res['parsed_url'].path[:-1] if new_res['parsed_url'].path.endswith('/') else new_res['parsed_url'].path
+ p1 = res['parsed_url'].path[:-1] if res['parsed_url'].path.endswith('/') else res['parsed_url'].path # noqa
+ p2 = new_res['parsed_url'].path[:-1] if new_res['parsed_url'].path.endswith('/') else new_res['parsed_url'].path # noqa
if res['parsed_url'].netloc == new_res['parsed_url'].netloc and\
p1 == p2 and\
res['parsed_url'].query == new_res['parsed_url'].query and\
@@ -125,7 +140,7 @@ def score_results(results):
duplicated = new_res
break
if duplicated:
- if len(res.get('content', '')) > len(duplicated.get('content', '')):
+ if len(res.get('content', '')) > len(duplicated.get('content', '')): # noqa
duplicated['content'] = res['content']
duplicated['score'] += score
duplicated['engines'].append(res['engine'])
@@ -139,6 +154,7 @@ def score_results(results):
results.append(res)
return sorted(results, key=itemgetter('score'), reverse=True)
+
def search(query, request, selected_engines):
global engines, categories, number_of_searches
requests = []
@@ -160,13 +176,20 @@ def search(query, request, selected_engines):
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']
- )
+ 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
@@ -180,7 +203,7 @@ def search(query, request, selected_engines):
requests.append(req(request_params['url'], **request_args))
grequests.map(requests)
- for engine_name,engine_results in results.items():
+ for engine_name, engine_results in results.items():
engines[engine_name].stats['search_count'] += 1
engines[engine_name].stats['result_count'] += len(engine_results)
@@ -192,6 +215,7 @@ def search(query, request, selected_engines):
return results, suggestions
+
def get_engines_stats():
# TODO refactor
pageloads = []
@@ -200,14 +224,15 @@ def get_engines_stats():
errors = []
scores_per_result = []
- max_pageload = max_results = max_score = max_errors = max_score_per_result = 0
+ max_pageload = max_results = max_score = max_errors = max_score_per_result = 0 # noqa
for engine in engines.values():
if engine.stats['search_count'] == 0:
continue
- results_num = engine.stats['result_count']/float(engine.stats['search_count'])
- load_times = engine.stats['page_load_time']/float(engine.stats['search_count'])
+ results_num = \
+ engine.stats['result_count'] / float(engine.stats['search_count'])
+ load_times = engine.stats['page_load_time'] / float(engine.stats['search_count']) # noqa
if results_num:
- score = engine.stats['score_count'] / float(engine.stats['search_count'])
+ score = engine.stats['score_count'] / float(engine.stats['search_count']) # noqa
score_per_result = score / results_num
else:
score = score_per_result = 0.0
@@ -220,30 +245,39 @@ def get_engines_stats():
results.append({'avg': results_num, 'name': engine.name})
scores.append({'avg': score, 'name': engine.name})
errors.append({'avg': engine.stats['errors'], 'name': engine.name})
- scores_per_result.append({'avg': score_per_result, 'name': engine.name})
+ scores_per_result.append({
+ 'avg': score_per_result,
+ 'name': engine.name
+ })
for engine in pageloads:
- engine['percentage'] = int(engine['avg']/max_pageload*100)
+ engine['percentage'] = int(engine['avg'] / max_pageload * 100)
for engine in results:
- engine['percentage'] = int(engine['avg']/max_results*100)
+ engine['percentage'] = int(engine['avg'] / max_results * 100)
for engine in scores:
- engine['percentage'] = int(engine['avg']/max_score*100)
+ engine['percentage'] = int(engine['avg'] / max_score * 100)
for engine in scores_per_result:
- engine['percentage'] = int(engine['avg']/max_score_per_result*100)
+ engine['percentage'] = int(engine['avg'] / max_score_per_result * 100)
for engine in errors:
if max_errors:
- engine['percentage'] = int(float(engine['avg'])/max_errors*100)
+ engine['percentage'] = int(float(engine['avg']) / max_errors * 100)
else:
engine['percentage'] = 0
-
- return [('Page loads (sec)', sorted(pageloads, key=itemgetter('avg')))
- ,('Number of results', sorted(results, key=itemgetter('avg'), reverse=True))
- ,('Scores', sorted(scores, key=itemgetter('avg'), reverse=True))
- ,('Scores per result', sorted(scores_per_result, key=itemgetter('avg'), reverse=True))
- ,('Errors', sorted(errors, key=itemgetter('avg'), reverse=True))
- ]
+ return [
+ ('Page loads (sec)', sorted(pageloads, key=itemgetter('avg'))),
+ (
+ 'Number of results',
+ sorted(results, key=itemgetter('avg'), reverse=True)
+ ),
+ ('Scores', sorted(scores, key=itemgetter('avg'), reverse=True)),
+ (
+ 'Scores per result',
+ sorted(scores_per_result, key=itemgetter('avg'), reverse=True)
+ ),
+ ('Errors', sorted(errors, key=itemgetter('avg'), reverse=True)),
+ ]