danieljfarrell’s gists

danieljfarrell / DoubleSlider.py

Created April 1, 2019 07:30 — forked from dennis-tra/DoubleSlider.py

PyQt - QSlider for float or double values + tests

	from PyQt5.QtWidgets import QSlider

	class DoubleSlider(QSlider):

	def __init__(self, args, *kwargs):
	super().__init__(args, *kwargs)
	self.decimals = 5
	self._max_int = 10 ** self.decimals

	super().setMinimum(0)

danieljfarrell / async_slot.py

Created March 20, 2019 12:44 — forked from ericfrederich/async_slot.py

Example of using an asyncio coroutine as a Qt slot

	import math
	import sys
	import asyncio
	from functools import partial, wraps
	from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QGridLayout, QProgressBar, QErrorMessage
	from PyQt5.QtCore import Qt
	from quamash import QEventLoop
	import traceback

danieljfarrell / reset_timer.py

Created January 28, 2019 12:27 — forked from aeroaks/reset_timer.py

Reset Timer in Python

	from threading import Thread, Event, Timer
	import time

	def TimerReset(args, *kwargs):
	""" Global function for Timer """
	return _TimerReset(args, *kwargs)


	class _TimerReset(Thread):
	"""Call a function after a specified number of seconds:

danieljfarrell / test_traitsui_quamash.py

Last active February 22, 2020 13:31

An example of asynchronous programming with TraitsUI using QT5 backend with Quamash event loop to work with asyncio.

	"""
	This code was helpful,
	https://stackoverflow.com/questions/32141623/pyqt5-and-asyncio-yield-from-never-finishes
	"""
	import os
	import sys
	import quamash
	import asyncio
	import traceback
	import PyQt5

danieljfarrell / environment.yml

Created January 11, 2019 16:41

Conda environment

danieljfarrell / parse_iso8601_badly.py

Created January 5, 2017 15:18

Cheap and cheerful parser for iso8601 with zero flexibility.

	import datetime
	import time

	now = datetime.datetime.now()
	now_iso = now.isoformat()

	def parse_iso8601_badly(iso_str):
	date_str, time_str = iso_str.split('T')
	d = dict()
	d.update(zip(['hour', 'minute', 'second'],

danieljfarrell / tree_editor_multiple_selection.py

Created October 24, 2016 10:14

tree_editor_multiple_selection.py -- Example of a tree editor demonstrating multiple selection

	# tree_editor.py -- Example of a tree editor

	from traits.api \
	import HasTraits, Str, Regex, List, Instance, Any, Property
	from traitsui.api \
	import TreeEditor, TreeNode, View, Item, VSplit, \
	HGroup, Handler, Group, ModelView
	from traitsui.menu \
	import Menu, Action, Separator
	from traitsui.wx.tree_editor \

danieljfarrell / experimental_filtering.py

Created April 19, 2016 15:33

Experimental reference filtering.

	def remove_reference_signal_with_experimental_reference_method_with_extended_FFT(
	signal,
	reference,
	optical_delay_spacing,
	ref_calibration=None):
	"""Removes reference signal using extended FFT method."""
	# transform reference signal to frequency domain
	t_points = reference.shape[0]
	ref_spec = np.fft.rfft(reference, reference.shape[0]*2)
	signal_spec = np.fft.rfft(signal, signal.shape[0]*2)

danieljfarrell / make_frequency_information.py

Created April 19, 2016 15:24

APS make_frequency_information function.

	def make_frequency_information(self):
	"""NB kUseNewFFTMethod = True for MATLAB algorithm."""
	reference = self.measurement.reference
	if len(reference) > 1:
	dt = self.measurement.optical_delay_spacing
	t_offset = self.measurement.optical_delay_offset
	f_max = 1./(2*dt)
	if kUseNewFFTMethod:
	freq = np.linspace(0.0, f_max, len(reference) + 1)
	else:

danieljfarrell / run_test_robot.py

Created March 29, 2016 11:54

Reading/writing stdout/stdin

	import os, psutil, subprocess
	# Usage:
	# This script MUST be run from the root of the
	# teraview-test-robot directory for example using,
	# python run_test_robot_cmd.py


	def make_test_robot_process():
	"""Creates the test robot process."""
	REL_TEST_ROBOT_EXE = "bin\\Debug\\test-robot.exe"

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