shell.py

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"""

Contains classes for shell part of framework - basically a collection of classes that are designed to be invoked on the command line.

"""
from __future__ import print_function

import querying
import sys

connections = []

# function to setup database connection, based on given database name
def connect(connection_data=None, mode="r", map_blobs=False, secrets=None, pooling=True):
    if connection_data == None:
        connection_data = "frontier://FrontierProd/CMS_CONDITIONS"
    connection = querying.connect(connection_data, mode=mode, map_blobs=map_blobs, secrets=secrets, pooling=pooling)
    connections.append(connection)
    return connection

def close_connections(verbose=True):
    global connections
    for connection in connections:
        connection_string = "%s/%s" % (connection.connection_data["database_name"], connection.connection_data["schema"])
        connection.tear_down()
        if verbose:
            print("Connection to %s was closed." % connection_string)