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#!/usr/bin/env python
import matplotlib.pyplot as mpyplot
import matplotlib.patches as mpatches
# Print iterations progress
def printProgressBar (iteration:int, total:int, prefix:str = '', suffix:str = '', decimals:int = 1, length:int = 100, fill:str = '█', printEnd:str = "\r"):
"""Print iterations progress.
Call in a loop to create terminal progress bar.
- current iteration
- total iterations
- prefix string
- suffix string
- positive number of decimals in percent complete
- character length of bar
- bar fill character
- end character (e.g. "\r", "\r\n")
"""
percent = ("{0:." + str(decimals) + "f}").format(100 * (iteration / float(total)))
filledLength = int(length * iteration // total)
bar = fill * filledLength + '-' * (length - filledLength)
print(f'\r{prefix} |{bar}| {percent}% {suffix}', end = printEnd)
# Print New Line on Complete
if iteration == total:
print()
# Plot timestamped dataframe as stem
def plotTimestampedDataframe(df, name: str, color='#000000'):
markerline, stemlines, baseline = mpyplot.stem(df.index, df[name])
mpyplot.setp(markerline, color=color, linewidth=1, markersize = 1)
mpyplot.setp(stemlines, color=color, linewidth=1)
mpyplot.setp(baseline, color=color, linewidth=1)
# Handle exit event
class ExitSignalHandler():
def __init__(self):
import signal
import threading
global __exit_event
global __on_exit_signal
__exit_event = threading.Event()
def __on_exit_signal(signo, _frame):
__exit_event.set()
for sig in ('TERM', 'HUP', 'INT'):
signal.signal(getattr(signal, 'SIG'+sig), __on_exit_signal)
def status(self):
return __exit_event.is_set()
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