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#!/bin/bash

# Tom Hale, 2016. MIT Licence.
# Print out 256 colours, with each number printed in its corresponding colour
# See http://askubuntu.com/questions/821157/print-a-256-color-test-pattern-in-the-terminal/821163#821163

set -eu # Fail on errors or undeclared variables

printable_colours=256

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#!/usr/bin/env python
# Ported to Python from http://www.vim.org/scripts/script.php?script_id=1349

print "Color indexes should be drawn in bold text of the same color."
print

colored = [0] + [0x5f + 40 * n for n in range(0, 5)]
colored_palette = [
	"%02x/%02x/%02x" % (r, g, b) 
	for r in colored

deehzee

#!/usr/bin/env python
# Ported to Python from http://www.vim.org/scripts/script.php?script_id=1349

print "Color indexes should be drawn in bold text of the same color."
print

colored = [0] + [0x5f + 40 * n for n in range(0, 5)]
colored_palette = [
	"%02x/%02x/%02x" % (r, g, b) 
	for r in colored

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Conversion between timestamp and human date-time

Different ways to convert time between human readable format and timestamps.

import time

# How to convert from human datetime in local time to timestamp (s)
print(int(time.mktime(time.strptime('2017-03-09 15:39:30', '%Y-%m-%d %H:%M:%S'))))

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Module autoreload

To auto-reload modules in jupyter notebook (so that changes in files *.py doesn't require manual reloading):

# for auto-reloading external modules
# see http://stackoverflow.com/questions/1907993/autoreload-of-modules-in-ipython
%load_ext autoreload
%autoreload 2

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import psycopg2
from sshtunnel import SSHTunnelForwarder

# For interactive work (on ipython) it's easier to work with explicit objects
# instead of contexts.

# Create an SSH tunnel
tunnel = SSHTunnelForwarder(
    ('128.199.169.188', 22),
    ssh_username='<username>',

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# reset-sys-unicode.py
#
# http://stackoverflow.com/questions/21129020/how-to-fix-unicodedecodeerror-ascii-codec-cant-decode-byte
#
# to encode a text with utf8 in python2

import sys

reload(sys)
sys.setdefaultencoding('utf8')

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# Some common idioms to make Python work both in version 2.7 and 3.x
# For more examples, see:
#   http://python-future.org/compatible_idioms.html

# Absolute import
from __future__ import absolute_import

# Floating point division
from __future__ import division

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# Compute md5sum of a file

# File: md5sum.py
# Debajyoti Nandi
# 2016-11-09

# Python 2

import os
import hashlib

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# Examples of how to walk through a directory (root)

# File: dir-walk.py
# Debajyoti Nandi
# 2016-11-09

import os

root = "."