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__))+'/../'))
from flask import Flask, request, flash, render_template, url_for, Response, make_response
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from searx.engines import search, categories
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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>
<Url type="text/html" method="post" template="{host}">
<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':
if not request.form.get('q'):
flash('Wrong post data')
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return render('index.html')
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selected_engines = []
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selected_categories = []
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for pd_name,pd in request.form.items():
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if pd_name.startswith('category_'):
category = pd_name[9:]
if not category in categories:
continue
selected_categories.append(category)
selected_engines.extend(x.name for x in categories[category])
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if not len(selected_engines):
cookie_categories = request.cookies.get('categories', '').split(',')
for ccateg in cookie_categories:
if ccateg in categories:
selected_categories.append(ccateg)
selected_engines.extend(x.name for x in categories[ccateg])
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query = request.form['q'].encode('utf-8')
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results = search(query, request, selected_engines)
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remember_categs = True if 'save' in request.form else False
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if request.form.get('format') == 'json':
# TODO HTTP headers
return json.dumps({'query': query, 'results': results})
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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)
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if remember_categs:
resp.set_cookie('categories', ','.join(selected_categories))
return resp
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return render('index.html')
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@app.route('/favicon.ico', methods=['GET'])
def fav():
return ''
@app.route('/opensearch.xml', methods=['GET'])
def opensearch():
global opensearch_xml
ret = opensearch_xml.format(host=url_for('index', _external=True))
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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)