querying Namespace Reference

Classes
class	connection
class	factory

Functions
def	_get_netrc_data
def	connect
def	engine_from_dictionary
def	new_connection_dictionary

Detailed Description

connection class translates either a connection string for sqlite, oracle of frontier into a connection object.
Also sets up ORM with SQLAlchemy.

connection class can also take a pre-constructed engine - useful for web services.

Function Documentation

def querying._get_netrc_data (   netrc_file,   key  )

private

Returns a dictionary {login : ..., account : ..., password : ...}

Definition at line 337 of file querying.py.

References ComparisonHelper.zip().

Referenced by new_connection_dictionary().

def _get_netrc_data(netrc_file, key):
    """
    Returns a dictionary {login : ..., account : ..., password : ...}
    """
    try:
        headers = ["login", "account", "password"]
        authenticator_tuple = netrc.netrc(netrc_file).authenticators(key)
        if authenticator_tuple == None:
            raise Exception("netrc file must contain key '%s'." % key)
    except:
        raise Exception("Couldn't get credentials from netrc file.")
    return dict(list(zip(headers, authenticator_tuple)))