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+import os
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+import sys
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+from functools import partial
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+from operator import attrgetter
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+from random import randint
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+
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+import bleach
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+
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+from wheezy.http import HTTPResponse
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+from wheezy.http import WSGIApplication
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+from wheezy.routing import url
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+from wheezy.web.handlers import BaseHandler
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+from wheezy.web.middleware import bootstrap_defaults
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+from wheezy.web.middleware import path_routing_middleware_factory
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+
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+from wheezy.template.engine import Engine
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+from wheezy.template.ext.core import CoreExtension
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+from wheezy.template.loader import FileLoader
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+
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+from sqlalchemy.ext.declarative import declarative_base
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+from sqlalchemy import create_engine, Column
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+from sqlalchemy.types import String, Integer, Unicode
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+from sqlalchemy.orm import sessionmaker
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+
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+from meinheld import server
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+
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+DBDRIVER = 'mysql'
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+DBHOSTNAME = os.environ.get('DBHOST', 'localhost')
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+DATABASE_URI = '%s://benchmarkdbuser:benchmarkdbpass@%s:3306/hello_world?charset=utf8' % (DBDRIVER, DBHOSTNAME)
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+
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+Base = declarative_base()
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+db_engine = create_engine(DATABASE_URI)
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+Session = sessionmaker(bind=db_engine)
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+db_session = Session()
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+
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+if sys.version_info[0] == 3:
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+ xrange = range
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+
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+def getQueryNum(queryString):
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+ try:
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+ int(queryString)
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+ return int(queryString)
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+ except ValueError:
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+ return 1
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+
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+class Fortune(Base):
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+ __tablename__ = "Fortune"
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+ id = Column(Integer, primary_key=True)
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+ message = Column(String)
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+
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+ def serialize(self):
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+ return {
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+ 'id': self.id,
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+ 'randomNumber': self.randomNumber,
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+ }
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+
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+class World(Base):
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+ __tablename__ = "World"
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+ id = Column(Integer, primary_key=True)
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+ randomNumber = Column(Integer)
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+ def serialize(self):
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+ return {
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+ 'id': self.id,
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+ 'randomNumber': self.randomNumber,
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+ }
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+
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+class JsonHandler(BaseHandler):
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+ def get(self):
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+ return self.json_response({"message": "Hello, world!"})
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+
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+class DbHandler(BaseHandler):
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+ def get(self):
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+ db_engine.connect()
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+ wid = randint(1, 10000)
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+ world = db_session.query(World).get(wid).serialize()
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+ return self.json_response(world)
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+
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+class QueriesHandler(BaseHandler):
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+ def get(self):
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+ queries = self.request.get_param("queries")
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+ num_queries = getQueryNum(queries)
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+ if num_queries < 1:
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+ num_queries = 1
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+ if num_queries > 500:
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+ num_queries = 500
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+ rp = partial(randint, 1, 10000)
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+ get = db_session.query(World).get
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+ worlds = [get(rp()).serialize() for _ in xrange(num_queries)]
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+ return self.json_response(worlds)
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+
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+class UpdatesHandler(BaseHandler):
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+ def get(self):
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+ queries = self.request.get_param("queries")
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+ num_queries = getQueryNum(queries)
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+ if num_queries < 1:
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+ num_queries = 1
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+ if num_queries > 500:
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+ num_queries = 500
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+ worlds = []
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+ rp = partial(randint, 1, 10000)
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+ ids = [rp() for _ in xrange(num_queries)]
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+ ids.sort() # To avoid deadlock
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+ for id in ids:
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+ world = db_session.query(World).get(id)
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+ world.randomNumber = rp()
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+ worlds.append(world.serialize())
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+ return self.json_response(worlds)
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+
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+class FortuneHandler(BaseHandler):
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+ def get(self):
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+ fortunes = db_session.query(Fortune).all()
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+ fortunes.append(Fortune(id=0, message="Additional fortune added at request time."))
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+ fortunes.sort(key=attrgetter("message"))
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+ engine = Engine(loader=FileLoader(["views"]), extensions=[CoreExtension()])
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+ template = engine.get_template("fortune.html")
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+ for f in fortunes:
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+ f.message = bleach.clean(f.message)
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+ template_html = template.render({"fortunes": fortunes})
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+
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+ response = HTTPResponse()
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+ response.write(template_html)
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+ return response
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+
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+def plaintext(request):
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+ response = HTTPResponse()
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+ response.write("Hello, world!")
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+ return response
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+
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+all_urls = [
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+ url("plaintext", plaintext, name="plaintext"),
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+ url("json", JsonHandler, name="json"),
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+ url("db", DbHandler, name="db"),
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+ url("queries", QueriesHandler, name="queries"),
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+ url("updates", UpdatesHandler, name="updates"),
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+ url("fortune", FortuneHandler, name="fortune")
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+]
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+
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+options = {}
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+
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+app = WSGIApplication(
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+ middleware = [
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+ bootstrap_defaults(url_mapping=all_urls),
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+ path_routing_middleware_factory
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+ ],
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+ options = options
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+)
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+
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+if __name__ == '__main__':
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+ server.listen(("127.0.0.1", 8080))
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+ server.run(app)
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