searxng/searx/webapp.py

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#!/usr/bin/env python
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'''
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>
'''
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if __name__ == "__main__":
from sys import path
from os.path import realpath, dirname
path.append(realpath(dirname(realpath(__file__))+'/../'))
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from flask import Flask, request, render_template, url_for, Response, make_response
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from searx.engines import search, categories, get_engines_stats
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from searx import settings
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import json
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app = Flask(__name__)
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app.secret_key = settings.secret_key
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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>
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<Url type="text/html" method="{method}" template="{host}">
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<Param name="q" value="{{searchTerms}}" />
</Url>
</OpenSearchDescription>
'''
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def render(template_name, **kwargs):
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global categories
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kwargs['categories'] = sorted(categories.keys())
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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']
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return render_template(template_name, **kwargs)
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@app.route('/', methods=['GET', 'POST'])
def index():
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global categories
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if request.method=='POST':
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request_data = request.form
else:
request_data = request.args
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if not request_data.get('q'):
return render('index.html')
selected_categories = []
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', '').split(',')
for ccateg in cookie_categories:
if ccateg in categories:
selected_categories.append(ccateg)
query = request_data['q'].encode('utf-8')
results = search(query, request, selected_categories)
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for result in results:
if len(result['url']) > 74:
result['pretty_url'] = result['url'][:35] + '[..]' + result['url'][-35:]
else:
result['pretty_url'] = result['url']
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if request_data.get('format') == 'json':
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return Response(json.dumps({'query': query, 'results': results}), mimetype='application/json')
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template = render('results.html'
,results=results
,q=query.decode('utf-8')
,selected_categories=selected_categories
,number_of_results=len(results)
)
resp = make_response(template)
resp.set_cookie('categories', ','.join(selected_categories))
return resp
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@app.route('/favicon.ico', methods=['GET'])
def fav():
return ''
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@app.route('/about', methods=['GET'])
def about():
global categories
return render('about.html', categs=categories.items())
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@app.route('/stats', methods=['GET'])
def stats():
global categories
stats = get_engines_stats()
return render('stats.html', stats=stats)
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@app.route('/opensearch.xml', methods=['GET'])
def opensearch():
global opensearch_xml
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method = 'post'
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scheme = 'http'
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# chrome/chromium only supports HTTP GET....
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if request.headers.get('User-Agent', '').lower().find('webkit') >= 0:
method = 'get'
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if request.headers.get('Host', '').find('https://'):
scheme = 'https'
ret = opensearch_xml.format(method=method, host=url_for('index', _external=True, _scheme=scheme))
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resp = Response(response=ret,
status=200,
mimetype="application/xml")
return resp
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if __name__ == "__main__":
from gevent import monkey
monkey.patch_all()
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app.run(debug = settings.debug
,use_debugger = settings.debug
,port = settings.port
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)