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#!/usr/bin/env python
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# -*- encoding: utf-8 -*-
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#
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# Copyright 2012, Martin Zimmermann <info@posativ.org>.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# The views and conclusions contained in the software and documentation are
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# those of the authors and should not be interpreted as representing official
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# policies, either expressed or implied, of posativ <info@posativ.org>.
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#
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# Isso – a lightweight Disqus alternative
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__version__ = '0.2'
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import sys; reload(sys)
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sys.setdefaultencoding('utf-8') # we only support UTF-8 and python 2.X :-)
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import io
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import json
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from os.path import join, dirname
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from optparse import OptionParser, make_option, SUPPRESS_HELP
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from itsdangerous import URLSafeTimedSerializer
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from werkzeug.wsgi import SharedDataMiddleware
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from werkzeug.routing import Map, Rule
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from werkzeug.serving import run_simple
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from werkzeug.wrappers import Request, Response
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from werkzeug.exceptions import HTTPException, NotFound, InternalServerError
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from isso import admin, comment, db, migrate
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from isso.utils import determine, import_object, RegexConverter, IssoEncoder
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# override default json :func:`dumps`.
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_dumps = json.dumps
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setattr(json, 'dumps', lambda obj, **kw: _dumps(obj, cls=IssoEncoder, **kw))
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# yep. lazy.
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url = lambda path, endpoint, methods: Rule(path, endpoint=endpoint, methods=methods)
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url_map = Map([
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# moderation panel
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url('/', 'admin.login', ['GET', 'POST']),
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url('/admin/', 'admin.index', ['GET', 'POST']),
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# comment API, note that the client side quotes the URL, but this is
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# actually unnecessary. PEP 333 aka WSGI always unquotes PATH_INFO.
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url('/1.0/<re(".+"):path>/', 'comment.get', ['GET']),
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url('/1.0/<re(".+"):path>/new', 'comment.create', ['POST']),
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url('/1.0/<re(".+"):path>/<int:id>', 'comment.get', ['GET']),
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url('/1.0/<re(".+"):path>/<int:id>', 'comment.modify', ['PUT', 'DELETE']),
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], converters={'re': RegexConverter})
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class Isso:
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PRODUCTION = True
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SECRET = 'secret'
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SECRET_KEY = ',\x1e\xbaY\xbb\xdf\xe7@\x85\xe3\xd9\xb4A9\xe4G\xa6O'
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MODERATION = False
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SQLITE = None
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HOST = 'http://localhost:8000/'
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MAX_AGE = 15 * 60
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def __init__(self, conf):
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self.__dict__.update(dict((k, v) for k, v in conf.iteritems() if k.isupper()))
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self.signer = URLSafeTimedSerializer(self.SECRET_KEY)
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self.HOST = determine(self.HOST)
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if self.SQLITE:
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self.db = db.SQLite(self)
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self.markup = import_object(conf.get('MARKUP', 'isso.markup.Markdown'))(conf)
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def sign(self, obj):
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return self.signer.dumps(obj)
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def unsign(self, obj):
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return self.signer.loads(obj, max_age=self.MAX_AGE)
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def dispatch(self, request, start_response):
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adapter = url_map.bind_to_environ(request.environ)
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try:
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endpoint, values = adapter.match()
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module, function = endpoint.split('.', 1)
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handler = getattr(globals()[module], function)
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return handler(self, request.environ, request, **values)
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except NotFound, e:
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return Response('Not Found', 404)
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except HTTPException, e:
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return e
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except InternalServerError, e:
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return Response(e, 500)
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def wsgi_app(self, environ, start_response):
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request = Request(environ)
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response = self.dispatch(request, start_response)
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return response(environ, start_response)
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def __call__(self, environ, start_response):
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return self.wsgi_app(environ, start_response)
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def main():
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options = [
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make_option("--version", action="store_true", help="print version info and exit"),
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make_option("--sqlite", dest="sqlite", metavar='FILE', default="/tmp/sqlite.db",
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help="use SQLite3 database"),
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make_option("--port", dest="port", default=8000, help="webserver port"),
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make_option("--test", dest="production", action="store_false", default=True,
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help=SUPPRESS_HELP),
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]
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parser = OptionParser(option_list=options)
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options, args = parser.parse_args()
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if options.version:
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print 'isso', __version__
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sys.exit(0)
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app = Isso({'SQLITE': options.sqlite, 'PRODUCTION': options.production})
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if len(args) > 0 and args[0] == 'import':
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if len(args) < 2:
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print 'Usage: isso import FILE'
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sys.exit(2)
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with io.open(args[1], encoding='utf-8') as fp:
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migrate.disqus(app.db, fp.read())
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else:
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app = SharedDataMiddleware(app, {
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'/static': join(dirname(__file__), 'static')})
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run_simple('127.0.0.1', 8000, app, use_reloader=True)
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