l.lefebvre sourceperl

sourceperl / index_ocr.py

Created January 23, 2017 16:30

Read index with python cv2 and tesseract as OCR engine

	#!/usr/bin/env python

	import pytesseract
	import Image
	import cv2

	# some func
	def click_prt_pix_color(event, x, y, flags, param):
	if event == cv2.EVENT_LBUTTONDOWN:
	print('pixel(%d, %d) color is %s' % (x, y, img[y, x]))

sourceperl / neural_1.py

Created January 16, 2017 14:29

Some neural network test with Python

	#!/usr/bin/env python2

	import numpy as np


	# sigmoid function (return 0.0 to 1.0 for -inf to +inf value)
	def sigmoid(x):
	return 1 / (1 + np.exp(-x))

sourceperl / echo.py

Created January 6, 2017 07:21

QR code tools

sourceperl / particle.py

Created December 22, 2016 16:21

	#!/usr/bin/env python3

	# particle simulator on python3 with tk

	import tkinter as tk
	import math


	class Particle(object):
	def __init__(self, x, y, size=2, color='saddle brown'):

sourceperl / detect_tones.py

Last active January 9, 2023 05:37

Display sound spectral view with scipy FFT and matplotlib

	#!/usr/bin/python3

	# detect tones in sound spectrum with scipy FFT
	# here sound source is a USB microphone with ALSA (channel 1)

	from collections import deque
	import struct
	import sys
	import time
	import threading

sourceperl / tree_grow.py

Created December 19, 2016 12:37

Tree grow simulator on python3 with tk

	#!/usr/bin/env python3

	# tree grow simulator on python3 with tk

	import tkinter as tk
	from random import randint
	from enum import Enum


	class TreePart(Enum):

sourceperl / check_tspeak.py

Last active December 7, 2016 09:56

Check a thingspeak feed is update

sourceperl / mygraph.py

Last active November 15, 2016 16:32

Python/Tk graph plotter test

	#!/usr/bin/env python3

	from tkinter import *
	from random import randint
	from collections import deque
	from itertools import chain


	class CanGraph(Canvas):
	def __init__(self, master, **options):

sourceperl / client.py

Last active March 18, 2022 20:22

Simple key/value store with json and python flask

	#!/usr/bin/env python3

	import http.client
	import json

	connection = http.client.HTTPConnection('localhost', port=5000)
	headers = {'Content-type': 'application/json'}
	connection.request('GET', '/set/foo?value=474', headers=headers)

	response = connection.getresponse().read()

sourceperl / redis_test.php

Created November 2, 2016 11:57

Simple example of Redis usage with PHP

	<!DOCTYPE html>
	<?php
	require 'Predis/Autoloader.php';
	Predis\Autoloader::register();
	$r = new Predis\Client();
	?>
	<html>
	<head>
	<title>Test REDIS</title>
	</head>