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# Python 3
import random
import string
''.join(random.choice(string.ascii_letters + string.digits + '#$-=_') for n in range(32))

# Python 2
import random
import string
''.join([random.choice(string.ascii_letters + string.digits + '#$-=_') for n in xrange(32)])

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from IPython.core.magic import (register_line_magic, register_cell_magic,
                                register_line_cell_magic)
from six import string_types

class T(list): 
    def _repr_html_(self):
        html = [u"<table>"]
        for row in self:
            html.append(u"<tr>")
            

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my_sed() {
    python -c 'import re,sys; sys.stdout.write(re.sub(sys.argv[1], sys.argv[2], sys.stdin.read()))' "$1" "$2"
}

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#!/usr/bin/env bash
cp /etc/apt/sources.list /etc/apt/sources.list_bkp
sed -ri 's/\/\/\w+\.ubuntu\.com/\/\/mirror\.yandex\.ru/' /etc/apt/sources.list

# OR
cat /etc/apt/sources.list | \
    python -c 'import re,sys; sys.stdout.write(re.sub(sys.argv[1], sys.argv[2], sys.stdin.read()))' \
    '//\w+\.ubuntu\.com' '//mirror.yandex.ru' > /etc/apt/sources.list1
mv /etc/apt/sources.list1 /etc/apt/sources.list

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# It works on RedHat, OEL, Centos
curl -o /usr/bin/rlwrap https://dl.dropboxusercontent.com/u/21373460/rlwrap_static_x64 && chmod 755 /usr/bin/rlwrap

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#!/usr/bin/env bash

for d in `docker ps -aq`; do
    d_name=`docker inspect -f {{.Name}} $d`
    echo "========================================================="
    echo "$d_name ($d) container size:"
    sudo du -d 2 -h /var/lib/docker/aufs | grep `docker inspect -f "{{.Id}}" $d`
    echo "$d_name ($d) volumes:"
    for mount in `docker inspect -f "{{range .Mounts}} {{.Source}}:{{.Destination}}                                                                                                                                                      
    {{end}}" $d`; do

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#!/usr/bin/env bash

docker rm $(docker ps -aq -f status=exited)
docker rmi $(docker images --quiet --filter "dangling=true")

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import subprocess


def diff(one, two):
    with tempfile.TemporaryDirectory() as tmpdir:
        f1, f2 = ('%s/%s' % (tmpdir, n) for n in (1,2))
        for f, txt in zip((f1, f2), (one, two)):
            with open(f, 'w') as f:
                f.write(str(txt))
        cmd = ('diff -w %s %s' % (f1, f2)).split()

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#!/usr/bin/env python3

import sys
import re

# https://trac-hacks.org/ticket/11050#comment:13
_illegal_unichrs = ((0x00, 0x08), (0x0B, 0x1F), (0x7F, 0x84), (0x86, 0x9F),
                    (0xD800, 0xDFFF), (0xFDD0, 0xFDDF), (0xFFFE, 0xFFFF),
                    (0x1FFFE, 0x1FFFF), (0x2FFFE, 0x2FFFF),
                    (0x3FFFE, 0x3FFFF), (0x4FFFE, 0x4FFFF),

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def merge_records_by_key(dicts1, dicts2, key):
    """Updates each dict1 containing key `key` from `dicts1`
    with the corresponding dict2 from `dicts2` having
    dict1[key] == dict2[key].
    """
    if len(dicts1) > len(dicts2):
        probe, build = dicts1, dicts2

        hashmap = {d[key]: d for d in build if key in d}