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from flask import current_app, _app_ctx_stack
from flask_pymongo import PyMongo
class MongoDB(object):
def __init__(self, app=None):
self.app = app
if app is not None:
self.init_app(app)
def init_app(self, app):
app.teardown_appcontext(self.teardown)
def connect(self):
return PyMongo(self.app, current_app.config['MONGO_URI'])
def teardown(self, exception):
ctx = _app_ctx_stack.top
if hasattr(ctx, 'mongo_db'):
ctx.mongo_db.cx.close()
def connection(self):
ctx = _app_ctx_stack.top
if ctx is not None:
if not hasattr(ctx, 'mongodb'):
ctx.mongo_db = self.connect()
return ctx.mongo_db
def set_up(self):
mongo = PyMongo(self.app)
mongo.cx.drop_database("umosapi")
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