Our fork of searx
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

284 lines
9.0 KiB

#!/usr/bin/env python
'''
searx is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
searx is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with searx. If not, see < http://www.gnu.org/licenses/ >.
(C) 2013- by Adam Tauber, <asciimoo@gmail.com>
'''
import json
import cStringIO
import os
from flask import Flask, request, render_template
from flask import url_for, Response, make_response, redirect
from flask import send_from_directory
from searx import settings
from searx.engines import search, categories, engines, get_engines_stats
from searx.utils import UnicodeWriter
from searx.utils import highlight_content, html_to_text
from flask.ext.babel import Babel
app = Flask(
__name__,
static_folder=os.path.join(os.path.dirname(__file__), 'static'),
template_folder=os.path.join(os.path.dirname(__file__), 'templates')
)
app.secret_key = settings['server']['secret_key']
babel = Babel(app)
#TODO configurable via settings.yml
favicons = ['wikipedia', 'youtube', 'vimeo', 'soundcloud',
'twitter', 'stackoverflow', 'github']
opensearch_xml = '''<?xml version="1.0" encoding="utf-8"?>
<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/">
<ShortName>searx</ShortName>
<Description>Search searx</Description>
<InputEncoding>UTF-8</InputEncoding>
<LongName>searx meta search engine</LongName>
<Url type="text/html" method="{method}" template="{host}">
<Param name="q" value="{{searchTerms}}" />
</Url>
</OpenSearchDescription>
'''
@babel.localeselector
def get_locale():
return request.accept_languages.best_match(settings['languages'].keys())
def get_base_url():
if settings['server']['base_url']:
hostname = settings['server']['base_url']
else:
scheme = 'http'
if request.is_secure:
scheme = 'https'
hostname = url_for('index', _external=True, _scheme=scheme)
return hostname
def render(template_name, **kwargs):
global categories
kwargs['categories'] = ['general']
kwargs['categories'].extend(x for x in
sorted(categories.keys()) if x != 'general')
if not 'selected_categories' in kwargs:
kwargs['selected_categories'] = []
cookie_categories = request.cookies.get('categories', '').split(',')
for ccateg in cookie_categories:
if ccateg in categories:
kwargs['selected_categories'].append(ccateg)
if not len(kwargs['selected_categories']):
kwargs['selected_categories'] = ['general']
return render_template(template_name, **kwargs)
def parse_query(query):
query_engines = []
query_parts = query.split()
if query_parts[0].startswith('-') and query_parts[0][1:] in engines:
query_engines.append({'category': 'TODO', 'name': query_parts[0][1:]})
query = query.replace(query_parts[0], '', 1).strip()
return query, query_engines
@app.route('/', methods=['GET', 'POST'])
def index():
global categories
if request.method == 'POST':
request_data = request.form
else:
request_data = request.args
if not request_data.get('q'):
return render('index.html')
selected_categories = []
query, selected_engines = parse_query(request_data['q'].encode('utf-8'))
if not len(selected_engines):
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)
featured_results = []
for result in results:
if request_data.get('format', 'html') == 'html':
if 'content' in result:
result['content'] = highlight_content(result['content'], query)
result['title'] = highlight_content(result['title'], query)
else:
if 'content' in result:
result['content'] = html_to_text(result['content']).strip()
result['title'] = html_to_text(result['title']).strip()
if len(result['url']) > 74:
url_parts = result['url'][:35], result['url'][-35:]
result['pretty_url'] = '{0}[...]{1}'.format(*url_parts)
else:
result['pretty_url'] = result['url']
for engine in result['engines']:
if engine in favicons:
result['favicon'] = engine
if request_data.get('format') == 'json':
return Response(json.dumps({'query': query, 'results': results}),
mimetype='application/json')
elif request_data.get('format') == 'csv':
csv = UnicodeWriter(cStringIO.StringIO())
keys = ('title', 'url', 'content', 'host', 'engine', 'score')
if len(results):
csv.writerow(keys)
for row in 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)
response.headers.add('Content-Disposition', content_disp)
return response
elif request_data.get('format') == 'rss':
response_rss = render(
'opensearch_response_rss.xml',
results=results,
q=request_data['q'],
number_of_results=len(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,
number_of_results=len(results) + len(featured_results),
featured_results=featured_results,
suggestions=suggestions
)
@app.route('/about', methods=['GET'])
def about():
return render('about.html')
@app.route('/engines', methods=['GET'])
def list_engines():
global categories
return render('engines.html', categs=categories.items())
@app.route('/preferences', methods=['GET', 'POST'])
def preferences():
if request.method == 'POST':
selected_categories = []
for pd_name, pd in request.form.items():
if pd_name.startswith('category_'):
category = pd_name[9:]
if not category in categories:
continue
selected_categories.append(category)
if selected_categories:
resp = make_response(redirect('/'))
# cookie max age: 4 weeks
resp.set_cookie(
'categories', ','.join(selected_categories),
max_age=60 * 60 * 24 * 7 * 4
)
return resp
return render('preferences.html')
@app.route('/stats', methods=['GET'])
def stats():
global categories
stats = get_engines_stats()
return render('stats.html', stats=stats)
@app.route('/robots.txt', methods=['GET'])
def robots():
return Response("""User-agent: *
Allow: /
Allow: /about
Disallow: /stats
Disallow: /engines
""", mimetype='text/plain')
@app.route('/opensearch.xml', methods=['GET'])
def opensearch():
global opensearch_xml
method = 'post'
# chrome/chromium only supports HTTP GET....
if request.headers.get('User-Agent', '').lower().find('webkit') >= 0:
method = 'get'
base_url = get_base_url()
ret = opensearch_xml.format(method=method, host=base_url)
resp = Response(response=ret,
status=200,
mimetype="application/xml")
return resp
@app.route('/favicon.ico')
def favicon():
return send_from_directory(os.path.join(app.root_path, 'static/img'),
'favicon.png',
mimetype='image/vnd.microsoft.icon')
def run():
from gevent import monkey
monkey.patch_all()
app.run(
debug=settings['server']['debug'],
use_debugger=settings['server']['debug'],
port=settings['server']['port']
)
if __name__ == "__main__":
run()