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South Bend, IN

Sean Summers seansummers

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South Bend, IN
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@seansummers
seansummers / pyparsing_parse_integer_range_list.py
Last active May 31, 2016 20:42
integer range expansion (see also: http://rosettacode.org/wiki/Range_expansion)
from pyparsing import Literal, nums, Word, Optional, Combine, delimitedList, Suppress
def parse_integer(s, l, t):
return int(t[0])
def parse_integer_range(s, l, t):
x, y = t[0], t[-1]
x, y = min(x, y), max(x, y) + 1
@seansummers
seansummers / dns_dict.py
Created June 28, 2016 23:18
DNS dict. __getitem__ any host, and it returns a randomized ipaddress from system DNS, honoring TTL
import random
import time
# if python2, install these batteries first
# ipaddress
import ipaddress
# dnspython
import dns.resolver
@seansummers
seansummers / dabblet.html
Created September 24, 2016 19:47
Untitled
<link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons"/>
<link rel="stylesheet" href="https://code.getmdl.io/1.2.1/material.pink-blue.min.css" />
Hello World
<hr />
<!-- Colored FAB button -->
<button class="mdl-button mdl-js-button mdl-button--fab mdl-button--colored">
<i class="material-icons">add</i>
</button>
<script defer src="https://code.getmdl.io/1.2.1/material.min.js"></script>
@seansummers
seansummers / totp.py
Last active April 6, 2017 21:14
Software TOTP
'''
RFC4226 and RFC6238
otpauth://totp/$LABEL?secret=$SECRET
'''
import base64
import hashlib
import hmac
import time
@seansummers
seansummers / instance_verifier.py
Last active May 23, 2017 12:27
EC2 instance verifier
"""
ssh_key=$(cut -f2 -d\ /etc/ssh/ssh_host_ed25519_key.pub)
document=$(curl -s http://169.254.169.254:/latest/dynamic/instance-identity/document |base64 -w 0)
signature=$(curl -s http://169.254.169.254:/latest/dynamic/instance-identity/signature |tr -d '\n')
curl -s http://169.254.169.254/latest/dynamic/instance-identity/signature |base64 -d |openssl rsautl -verify -inkey AWS.rsa -certin
"""
import json
from os import environ
@seansummers
seansummers / newbase60.py
Last active December 4, 2017 21:11
Python implementation of Tantek's NewBase60
''' newbase60.py - Python implementation of Tantek's NewBase60
http://ttk.me/w/NewBase60
by Sean Summers <seansummers@gmail.com>
License: https://creativecommons.org/licenses/by/4.0/
'''
import functools
import itertools
import string
AMBIGUOUS_CHARACTERS = {
@seansummers
seansummers / json2yaml.py
Created December 18, 2017 19:09
YAML, JSON, etc...
#! /usr/bin/env python
from __future__ import print_function
import argparse
import contextlib
import functools
import json
import os
import sys
@seansummers
seansummers / codebuild.py
Created March 29, 2018 17:39 — forked from ssummer3/codebuild.py
Local CodeBuild
#! /usr/bin/env python
""" local codebuild implementation
Parses buildspec.yml files, and executes them locally, as per:
http://docs.aws.amazon.com/codebuild/latest/userguide/build-spec-ref.html#build-spec-ref-example
"""
from __future__ import print_function
import functools
import glob
import os
@seansummers
seansummers / convert.json
Created March 29, 2018 17:39 — forked from ssummer3/convert.json
Contentful Stuffs
{
"universityarchives": "5561",
"reservesmicrotextandmediadesk": "5557",
"medievalinstitutelibrary": "5558",
"circulationservicedesk": "1483",
"engineeringlibrary": "5566",
"architecturelibrary": "5563",
"kelloggkroclibrary": "5567",
"mahaffeybusinesslibrary": "5564",
"chemistryphysicslibrary": "5565",
@seansummers
seansummers / create_and_attach_volume.yaml
Created March 29, 2018 17:40 — forked from ssummer3/create_and_attach_volume.yaml
AWS: Create and Attach a Volume to an EC2 Instance
AWSTemplateFormatVersion: '2010-09-09'
Description: Create a Volume from scratch and attach it to an instance.
Metadata:
AWS::CloudFormation::Interface: