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Add -q option (suppress print upon creation) to %macro...
Add -q option (suppress print upon creation) to %macro Macros are very, very useful and "Matlab" like (as well as other similar math computing environs). Often I (or my students) use a macro to load long complex code from a url -- e.g., large data sets, simulated data, preprocessing of data, special plotting commands, grading routines... Currently, this requires defining the macro at the end of the notebook so when the "print upon creation" occurs it doesn't overwhelm the notebook (except at the end). The -q option suppresses the print contents upon creation. Example with a Matplotlib example: In[1]: %macro tmp http://matplotlib.org/mpl_examples/api/date_demo.py Macro `tmp` created. To execute, type its name (without quotes). === Macro contents: === """ Show how to make date plots in matplotlib using date tick locators and formatters. See major_minor_demo1.py for more information on controlling major and minor ticks ... In[2]: %macro -q tmp2 http://matplotlib.org/mpl_examples/api/date_demo.py (nothing) Perhaps, though, the first line should print -- e.g., Macro `tmp` created. To execute, type its name (without quotes). In the docstraing, I also fixed a typo (an "as" that should be an "at") and clarified how to produce an example output.

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localinterfaces.py
55 lines | 1.9 KiB | text/x-python | PythonLexer
"""Simple utility for building a list of local IPs using the socket module.
This module defines two constants:
LOCALHOST : The loopback interface, or the first interface that points to this
machine. It will *almost* always be '127.0.0.1'
LOCAL_IPS : A list of IP addresses, loopback first, that point to this machine.
PUBLIC_IPS : A list of public IP addresses that point to this machine.
Use these to tell remote clients where to find you.
"""
#-----------------------------------------------------------------------------
# Copyright (C) 2010-2011 The IPython Development Team
#
# Distributed under the terms of the BSD License. The full license is in
# the file COPYING, distributed as part of this software.
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
import socket
from .data import uniq_stable
#-----------------------------------------------------------------------------
# Code
#-----------------------------------------------------------------------------
LOCAL_IPS = []
try:
LOCAL_IPS = socket.gethostbyname_ex('localhost')[2]
except socket.error:
pass
PUBLIC_IPS = []
try:
hostname = socket.gethostname()
PUBLIC_IPS = socket.gethostbyname_ex(hostname)[2]
# try hostname.local, in case hostname has been short-circuited to loopback
if not hostname.endswith('.local') and all(ip.startswith('127') for ip in PUBLIC_IPS):
PUBLIC_IPS = socket.gethostbyname_ex(socket.gethostname() + '.local')[2]
except socket.error:
pass
else:
PUBLIC_IPS = uniq_stable(PUBLIC_IPS)
LOCAL_IPS.extend(PUBLIC_IPS)
# include all-interface aliases: 0.0.0.0 and ''
LOCAL_IPS.extend(['0.0.0.0', ''])
LOCAL_IPS = uniq_stable(LOCAL_IPS)
LOCALHOST = LOCAL_IPS[0]