IPython startup script which configures IPython to log all input/output and does so *without cluttering the prompt* when starting IPython

ipython_startup_script.py

from time import strftime
import os.path
import contextlib
import cStringIO
import sys


# create a context which we can use for any block which we can use for any
# block which we do not want to print stdout
# -- taken from http://stackoverflow.com/a/2829036/217652

@contextlib.contextmanager
def nostdout():
    save_stdout = sys.stdout
    sys.stdout = cStringIO.StringIO()
    yield
    sys.stdout = save_stdout



ip = get_ipython()

ldir = ip.profile_dir.log_dir
fname = strftime('%Y-%m-%d-%H-%M-%S') + ".py"
filename = os.path.join(ldir, fname)


# stdout is now muted
with nostdout():
    ip.run_line_magic('logstart', '-o %s append' % filename)