yfMongo

yfMongo is a simple command line app to store and manage Yahoo Finance stock data in a MongoDb database.
It allows you to build a local corpus of stock data that can be reused and updated easily wihout having to be constantly online.
The API access is handled using YahooFetcher .

Install

pip install yfm

Features

• Retrieve stock data from Yahoo Finance using Yahoo tickers
• Store tickers locally in MongoDb
• Retrieve some indexes constituent data
• Update tickers data daily
• Fetch by date range
• Export the data to JSON and CSV

Requirements

• Python v2.6 at least
• Pymongo python module
• a running MongoDb instance

Database structure

By default yfMongo creates a database called yfmongo in your local MongoDb setup. Inside this database, two collections contain all the data:

• symbols : tickers list
• timeline : tickers data (opening price, closing, max, min, volumen and date)

Usage

yfm can be used as a command line tool to load symbols into the mongodb database or directly as a python module:

yfm add goog                        # add the 'goog' ticker to the database
yfm add mse  06/05/2013 12/05/2013  # add mse and fetch the data between 6th May 2013 and 12th May 2013.
yfm add index ftse                  # add the tickers for the index FTSE
yfm remove goog                     # removes GOOG from the db, ticker and timeline info
yfm update                          # for each ticker retrieve data since last day until today
yfm show mse                        # displays mse content

Directly from within python, tipycally to read from the database

import yfm
fetcher = yfm.fetcher()
fetcher.getTicker("goog")  # read from the db
fetcher.update() # same as 'yfm update'

Openshift integration

In order to use yfm in OpenShift, edit yfm file and override the following parameters: hostname = os.environ.get("OPENSHIFT_MONGODB_DB_HOST") port = os.environ.get("OPENSHIFT_MONGODB_DB_PORT") user = os.environ.get("OPENSHIFT_MONGODB_DB_USERNAME") password = os.environ.get("OPENSHIFT_MONGODB_DB_PASSWORD")