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from couchdb.client import Server
from werkzeug.exceptions import HTTPException
from werkzeug.exceptions import NotFound
from werkzeug.middleware.shared_data import SharedDataMiddleware
from werkzeug.wrappers import Request
from werkzeug.wsgi import ClosingIterator
from . import views
from .models import URL
from .utils import local
from .utils import local_manager
from .utils import STATIC_PATH
from .utils import url_map
class Couchy(object):
def __init__(self, db_uri):
local.application = self
server = Server(db_uri)
try:
db = server.create("urls")
except Exception:
db = server["urls"]
self.dispatch = SharedDataMiddleware(self.dispatch, {"/static": STATIC_PATH})
URL.db = db
def dispatch(self, environ, start_response):
local.application = self
request = Request(environ)
local.url_adapter = adapter = url_map.bind_to_environ(environ)
try:
endpoint, values = adapter.match()
handler = getattr(views, endpoint)
response = handler(request, **values)
except NotFound:
response = views.not_found(request)
response.status_code = 404
except HTTPException as e:
response = e
return ClosingIterator(
response(environ, start_response), [local_manager.cleanup]
)
def __call__(self, environ, start_response):
return self.dispatch(environ, start_response)
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