mgd020’s gists

mgd020 / random.js

Last active June 19, 2020 05:52

Generate a cryptographically random String with a given length

	function getRandomBase64String(length) {
	var array = new Uint8Array(Math.ceil(length * 3 / 4));
	crypto.getRandomValues(array);
	return btoa(String.fromCharCode.apply(null, array)).slice(0, length);
	}

	function getRandomHexString(length) {
	var array = new Uint32Array(Math.ceil(length / 8));
	crypto.getRandomValues(array);
	return Array.prototype.map.call(array, i => i.toString(16).padStart(2, '0')).join('').slice(0, length);

mgd020 / sam.py

Created April 1, 2020 11:59

Lambda wrapper for wsgi app

	import base64
	import cgi
	import codecs
	import io
	import sys
	from urllib.parse import urlencode
	from wsgiref.util import FileWrapper

	from .wsgi import application

mgd020 / strip_image.py

Created March 7, 2020 10:34

Strip info from Pillow image, correcting rotation

mgd020 / progress.py

Created December 6, 2019 00:32

terminal progress bar in python

	import sys, re

	class TerminalController:
	"""
	A class that can be used to portably generate formatted output to
	a terminal.

	`TerminalController` defines a set of instance variables whose
	values are initialized to the control sequence necessary to
	perform a given action. These can be simply included in normal

mgd020 / force-replace-print.js

Created December 6, 2019 00:29

Override print dialog

 function forceOpen() {
     var url = "http://www.google.com";
     window.open(url) ? location.reload() : (location.href = url);
 }
 window.addEventListener("beforeprint", function (e) { e.preventDefault(), forceOpen() })
 window.matchMedia("print").addListener(function (e) { e.matches && forceOpen() })

mgd020 / xml_sax_parse_string.py

Last active December 2, 2019 05:18

Parse an XML snippet with regular expressions only.

	import re
	from xml.sax.saxutils import unescape


	tags_pattern = re.compile(r"</(?P<close>\S+)>\|<(?P<open>[^>!?/\s]+)(\s+(?P<attrs>.?))?(?P<empty>/)?\s>\|<!--(?P<comment>.*?)-->\|(?P<cdata><!\[CDATA\[)")
	attrs_pattern = re.compile(r"\s(?P<name>\S+)\s=\s(?P<quote>\"\|')(?P<value>.?)(?P=quote)")
	cdata_close_pattern = re.compile(r"\]\]>")
	escaped_entities = {""": '"', "'": "'"}

mgd020 / jira2es.py

Created October 30, 2019 04:17

parse JIRA api and put it into ES for analysis

mgd020 / postcode_state.py

Created October 29, 2019 02:26

	import re
	import sys
	from collections import Mapping, Container
	from itertools import chain
	from array import array


	def deep_getsizeof(o):
	seen = set()
	todo = {id(o): o}

mgd020 / progress.py

Created October 29, 2019 02:25

	import sys, re

	class TerminalController:
	"""
	A class that can be used to portably generate formatted output to
	a terminal.

	`TerminalController` defines a set of instance variables whose
	values are initialized to the control sequence necessary to
	perform a given action. These can be simply included in normal

mgd020 / print-replace.js

Created October 29, 2019 02:24

 function forceOpen() {
     var url = "http://www.google.com";
     window.open(url) ? location.reload() : (location.href = url);
 }
 window.addEventListener("beforeprint", function (e) { e.preventDefault(), forceOpen() })
 window.matchMedia('print').addListener(function (e) { e.matches && forceOpen() })

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