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searxng
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[enh][mod] code refactor ++ search engine filtering

This commit is contained in:
asciimoo 2014-02-07 01:19:07 +01:00
parent e56d7a58c7
commit 0540ea9ee2
3 changed files with 132 additions and 99 deletions
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94
searx/search.py Normal file
View File

@ -0,0 +1,94 @@
from searx.engines import (
categories, engines, engine_shortcuts
)
from searx.languages import language_codes
class Search(object):
"""Search information container"""
def __init__(self, request):
super(Search, self).__init__()
self.query = None
self.engines = []
self.categories = []
query_engines = []
self.paging = False
self.pageno = 1
self.lang = 'all'
if request.cookies.get('blocked_engines'):
self.blocked_engines = request.cookies['blocked_engines'].split(',')
else:
self.blocked_engines = []
self.results = []
self.suggestions = []
self.request_data = {}
if request.cookies.get('language')\
and request.cookies['language'] in (x[0] for x in language_codes):
self.lang = request.cookies['language']
if request.method == 'POST':
self.request_data = request.form
else:
self.request_data = request.args
# TODO better exceptions
if not self.request_data.get('q'):
raise Exception('noquery')
self.query = self.request_data['q']
pageno_param = self.request_data.get('pageno', '1')
if not pageno_param.isdigit() or int(pageno_param) < 1:
raise Exception('wrong pagenumber')
self.pageno = int(pageno_param)
query_parts = self.query.split()
if query_parts[0].startswith('!'):
prefix = query_parts[0][1:].replace('_', ' ')
if prefix in engine_shortcuts\
and not engine_shortcuts[prefix] in self.blocked_engines:
self.engines.append({'category': 'none',
'name': engine_shortcuts[prefix]})
elif prefix in engines\
and not prefix in self.blocked_engines:
self.engines.append({'category': 'none',
'name': prefix})
elif prefix in categories:
self.engines.extend({'category': prefix,
'name': engine.name}
for engine in categories[prefix]
if not engine in self.blocked_engines)
if len(query_engines):
self.query = self.query.replace(query_parts[0], '', 1).strip()
self.categories = []
if len(self.engines):
self.categories = list(set(engine['category']
for engine in self.engines))
else:
for pd_name, pd in self.request_data.items():
if pd_name.startswith('category_'):
category = pd_name[9:]
if not category in categories:
continue
self.categories.append(category)
if not len(self.categories):
cookie_categories = request.cookies.get('categories', '')
cookie_categories = cookie_categories.split(',')
for ccateg in cookie_categories:
if ccateg in categories:
self.categories.append(ccateg)
if not len(self.categories):
self.categories = ['general']
for categ in self.categories:
self.engines.extend({'category': categ,
'name': x.name}
for x in categories[categ]
if not x.name in self.blocked_engines)

8
searx/tests/test_webapp.py
View File

@ -39,7 +39,7 @@ class ViewsTestCase(SearxTestCase):
self.assertEqual(result.status_code, 200)
self.assertIn('<div class="title"><h1>searx</h1></div>', result.data)
@patch('searx.webapp.search')
@patch('searx.webapp.do_search')
def test_index_html(self, search):
search.return_value = (
self.test_results,
@ -55,7 +55,7 @@ class ViewsTestCase(SearxTestCase):
result.data
)
@patch('searx.webapp.search')
@patch('searx.webapp.do_search')
def test_index_json(self, search):
search.return_value = (
self.test_results,
@ -71,7 +71,7 @@ class ViewsTestCase(SearxTestCase):
self.assertEqual(
result_dict['results'][0]['url'], 'http://first.test.xyz')
@patch('searx.webapp.search')
@patch('searx.webapp.do_search')
def test_index_csv(self, search):
search.return_value = (
self.test_results,
@ -86,7 +86,7 @@ class ViewsTestCase(SearxTestCase):
result.data
)
@patch('searx.webapp.search')
@patch('searx.webapp.do_search')
def test_index_rss(self, search):
search.return_value = (
self.test_results,

129
searx/webapp.py
View File

@ -28,10 +28,12 @@ from flask import (
from flask.ext.babel import Babel
from searx import settings, searx_dir
from searx.engines import (
search, categories, engines, get_engines_stats, engine_shortcuts
search as do_search, categories, engines, get_engines_stats,
engine_shortcuts
)
from searx.utils import UnicodeWriter, highlight_content, html_to_text
from searx.languages import language_codes
from searx.search import Search
app = Flask(
@ -94,95 +96,32 @@ def render(template_name, **kwargs):
return render_template(template_name, **kwargs)
def parse_query(query):
query_engines = []
query_parts = query.split()
if query_parts[0].startswith('!'):
prefix = query_parts[0][1:].replace('_', ' ')
if prefix in engine_shortcuts:
query_engines.append({'category': 'none',
'name': engine_shortcuts[prefix]})
elif prefix in engines:
query_engines.append({'category': 'none',
'name': prefix})
elif prefix in categories:
query_engines.extend({'category': prefix,
'name': engine.name}
for engine in categories[prefix])
if len(query_engines):
query = query.replace(query_parts[0], '', 1).strip()
return query, query_engines
@app.route('/', methods=['GET', 'POST'])
def index():
"""Render index page.
Supported outputs: html, json, csv, rss.
"""
paging = False
lang = 'all'
if request.cookies.get('language')\
and request.cookies['language'] in (x[0] for x in language_codes):
lang = request.cookies['language']
if request.method == 'POST':
request_data = request.form
else:
request_data = request.args
if not request_data.get('q'):
try:
search = Search(request)
except:
return render('index.html')
pageno_param = request_data.get('pageno', '1')
if not pageno_param.isdigit() or int(pageno_param) < 1:
return render('index.html')
# TODO moar refactor - do_search integration into Search class
search.results, search.suggestions = do_search(search.query,
request,
search.engines,
search.pageno,
search.lang)
pageno = int(pageno_param)
selected_categories = []
query, selected_engines = parse_query(request_data['q'].encode('utf-8'))
if len(selected_engines):
selected_categories = list(set(engine['category']
for engine in selected_engines))
else:
for pd_name, pd in request_data.items():
if pd_name.startswith('category_'):
category = pd_name[9:]
if not category in categories:
continue
selected_categories.append(category)
if not len(selected_categories):
cookie_categories = request.cookies.get('categories', '')
cookie_categories = cookie_categories.split(',')
for ccateg in cookie_categories:
if ccateg in categories:
selected_categories.append(ccateg)
if not len(selected_categories):
selected_categories = ['general']
for categ in selected_categories:
selected_engines.extend({'category': categ,
'name': x.name}
for x in categories[categ])
results, suggestions = search(query,
request,
selected_engines,
pageno,
lang)
for result in results:
if not paging and engines[result['engine']].paging:
paging = True
if request_data.get('format', 'html') == 'html':
for result in search.results:
if not search.paging and engines[result['engine']].paging:
search.paging = True
if search.request_data.get('format', 'html') == 'html':
if 'content' in result:
result['content'] = highlight_content(result['content'], query)
result['title'] = highlight_content(result['title'], query)
result['content'] = highlight_content(result['content'], search.query)
result['title'] = highlight_content(result['title'], search.query)
else:
if 'content' in result:
result['content'] = html_to_text(result['content']).strip()
@ -199,40 +138,40 @@ def index():
if engine in favicons:
result['favicon'] = engine
if request_data.get('format') == 'json':
return Response(json.dumps({'query': query, 'results': results}),
if search.request_data.get('format') == 'json':
return Response(json.dumps({'query': search.query, 'results': search.results}),
mimetype='application/json')
elif request_data.get('format') == 'csv':
elif search.request_data.get('format') == 'csv':
csv = UnicodeWriter(cStringIO.StringIO())
keys = ('title', 'url', 'content', 'host', 'engine', 'score')
if len(results):
if len(search.results):
csv.writerow(keys)
for row in results:
for row in search.results:
row['host'] = row['parsed_url'].netloc
csv.writerow([row.get(key, '') for key in keys])
csv.stream.seek(0)
response = Response(csv.stream.read(), mimetype='application/csv')
content_disp = 'attachment;Filename=searx_-_{0}.csv'.format(query)
content_disp = 'attachment;Filename=searx_-_{0}.csv'.format(search.query)
response.headers.add('Content-Disposition', content_disp)
return response
elif request_data.get('format') == 'rss':
elif search.request_data.get('format') == 'rss':
response_rss = render(
'opensearch_response_rss.xml',
results=results,
q=request_data['q'],
number_of_results=len(results),
results=search.results,
q=search.request_data['q'],
number_of_results=len(search.results),
base_url=get_base_url()
)
return Response(response_rss, mimetype='text/xml')
return render(
'results.html',
results=results,
q=request_data['q'],
selected_categories=selected_categories,
paging=paging,
pageno=pageno,
suggestions=suggestions
results=search.results,
q=search.request_data['q'],
selected_categories=search.categories,
paging=search.paging,
pageno=search.pageno,
suggestions=search.suggestions
)