JimHaughwout’s gists

JimHaughwout / check_dependencies.py

Created September 5, 2015 21:04

Check Install Dependencies

	import subprocess

	DEPENDENCIES = ['cqlsh', 'ttab', 'kafka']

	def check_dependency(program):
	"""TODO"""
	try:
	subprocess.check_output(["which", program])
	except:
	msg = "%s not installed. Please install" % program

JimHaughwout / 86100100549791_cobra_reads.json

Created July 29, 2015 17:26

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JimHaughwout / gen_cobra_poly.py

Last active August 29, 2015 14:25

Gen Cobra Polyline

	#!/usr/bin/python
	import sys
	import json
	import getopt
	import webbrowser

	html_header = """<!DOCTYPE html>
	<html>
	<head>
	<meta name="viewport" content="initial-scale=1.0, user-scalable=no">

JimHaughwout / try_dict_extract.py

Created July 11, 2015 15:17

TryExcept Dict Element Extract

	def try_dict_extract(dictionary, key_list):
	"""
	Iterates through a list of nested keys to try to return a dictionary key value.
	On exception, returns NoneType
	"""
	try:
	x = dictionary
	for key in key_list:
	x = x[key]
	return x

JimHaughwout / mapping_example.py

Created June 26, 2015 14:50

Dicts for Mapping

	#! /usr/bin/env python
	"""
	Using dictionaries for mapping lookups
	See: http://www.tutorialspoint.com/python/python_dictionary.htm
	"""

	# Use a Python Dictionary for mapping
	mapping = {
	'CB' : 'Cobra',
	'foo' : 'bar',

JimHaughwout / cobra.py

Last active August 29, 2015 14:23

Cobra Tag Exercise

	import getopt
	import sys
	from datetime import datetime
	from time import sleep
	import pytz

	#### CRC-16 MODBUS Stuff. Included so we do all in one script ####

	INITIAL_MODBUS = 0xFFFF

JimHaughwout / path_distance.py

Created November 13, 2014 23:55

Compute distance and interpolate speed along path of coordinates and timestamps

	from sys import argv
	import csv
	import dateutil.parser
	from geopy.distance import vincenty
	'''
	Input file is downloaded movements from Savi Tracking
	column 1 (a.k.a. row[0]) = lat
	column 2 (a.k.a. row[1]) = lng
	column 3 (a.k.a. row[2]) = utc time
	'''

JimHaughwout / oracle_dt_utils.py

Last active August 29, 2015 14:08

Python Dates, Date-Time to Oracle

	from datetime import date, datetime

	def oracle_weekday(dt):
	'''
	Takes a python datetime or date object.
	Returns Day of Week in Oracle model
	Day python oracle
	Mon 0 2
	Tue 1 3
	Wed 2 4

JimHaughwout / ts_bin.py

Created October 7, 2014 23:11

Binary search: closest ts in list of datetime.datetimes

	from sys import argv, exit
	import datetime as dt
	import dateutil.parser
	import random
	from bisect import bisect_left
	from utils import ts_diff_in_seconds as time_diff


	def built_test_ts_list(length=1, min_diff=60, max_diff=60, start_dt=None):

JimHaughwout / kdtree_sample.py

Created October 7, 2014 23:09

playing with KDTrees

	from scipy.spatial import KDTree
	import numpy as np
	from sys import argv, exit

	'''
	One-dimensional KDTree to lookup ts with nearest value


	usage = "Usage: python %s value_to_seek optional_distance" % argv[0]
	if len(argv) != 2:

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