environment/lib/python2.7/site-packages/IPython/core/pylabtools.py
def pylab_activate(user_ns, gui=None, import_all=True, shell=None):
    """Activate pylab mode in the user's namespace.

    Loads and initializes numpy, matplotlib and friends for interactive use.

    Parameters
    ----------
    user_ns : dict
      Namespace where the imports will occur.

    gui : optional, string
      A valid gui name following the conventions of the %gui magic.

    import_all : optional, boolean
      If true, an 'import *' is done from numpy and pylab.

    Returns
    -------
    The actual gui used (if not given as input, it was obtained from matplotlib
    itself, and will be needed next to configure IPython's gui integration.
    """
    gui, backend = find_gui_and_backend(gui)
    activate_matplotlib(backend)
    import_pylab(user_ns, import_all)
    if shell is not None:
        configure_inline_support(shell, backend, user_ns)
        
    print """
Welcome to pylab, a matplotlib-based Python environment [backend: %s].
For more information, type 'help(pylab)'.""" % backend
    # flush stdout, just to be safe
    sys.stdout.flush()
    
    return gui
def pylab_activate(user_ns, gui=None, import_all=True, shell=None):
    gui, backend = find_gui_and_backend(gui)
    activate_matplotlib(backend)
    import_pylab(user_ns, import_all)
    if shell is not None:
        configure_inline_support(shell, backend, user_ns)
        
    print """
Welcome to pylab, a matplotlib-based Python environment [backend: %s].
For more information, type 'help(pylab)'.""" % backend
    # flush stdout, just to be safe
    sys.stdout.flush()
    
    return gui
def pylab_activate ( user_ns , gui = None , import_all = True , shell = None ) : gui , backend = find_gui_and_backend ( gui ) activate_matplotlib ( backend ) import_pylab ( user_ns , import_all ) if shell is not None : configure_inline_support ( shell , backend , user_ns ) print """
Welcome to pylab, a matplotlib-based Python environment [backend: %s].
For more information, type 'help(pylab)'.""" % backend # flush stdout, just to be safe sys . stdout . flush ( ) return gui
Activate pylab mode in the user's namespace.

    Loads and initializes numpy, matplotlib and friends for interactive use.

    Parameters
    ----------
    user_ns : dict
      Namespace where the imports will occur.

    gui : optional, string
      A valid gui name following the conventions of the %gui magic.

    import_all : optional, boolean
      If true, an 'import *' is done from numpy and pylab.

    Returns
    -------
    The actual gui used (if not given as input, it was obtained from matplotlib
    itself, and will be needed next to configure IPython's gui integration.
Activate pylab mode in the user s namespace .