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# -*- coding: utf-8 -*-
"""
pyvisa.visa
~~~~~~~~~~~
Module to provide an import shortcut for the most common VISA operations.
This file is part of PyVISA.
:copyright: 2014 by PyVISA Authors, see AUTHORS for more details.
:license: MIT, see COPYING for more details.
"""
from __future__ import division, unicode_literals, print_function, absolute_import
from pyvisa import logger, __version__, log_to_screen, constants
from pyvisa.highlevel import ResourceManager
from pyvisa.errors import (Error, VisaIOError, VisaIOWarning, VisaTypeError,
UnknownHandler, OSNotSupported, InvalidBinaryFormat,
InvalidSession, LibraryError)
# This is needed to registry all resources.
from pyvisa.resources import Resource
def visa_main(command=None):
import argparse
parser = argparse.ArgumentParser(description='PyVISA command-line utilities')
parser.add_argument('--backend', '-b', dest='backend', action='store', default=None,
help='backend to be used (default: ni)')
if not command:
subparsers = parser.add_subparsers(title='command', dest='command')
info_parser = subparsers.add_parser('info', help='print information to diagnose PyVISA')
console_parser = subparsers.add_parser('shell', help='start the PyVISA console')
args = parser.parse_args()
if command:
args.command = command
if args.command == 'info':
from pyvisa import util
util.get_debug_info()
elif args.command == 'shell':
from pyvisa import shell
shell.main('@' + args.backend if args.backend else '')
def visa_shell():
visa_main('shell')
def visa_info():
visa_main('info')
if __name__ == '__main__':
visa_main()
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