musicmuster/app/helpers.py
2021-08-15 11:17:09 +01:00

65 lines
1.6 KiB
Python

from datetime import datetime
from PyQt5.QtWidgets import QMessageBox
def get_relative_date(past_date, reference_date=None):
"""
Return how long before reference_date past_date is as string.
Params:
@past_date: datetime
@reference_date: datetime, defaults to current date and time
@return: string
"""
if not past_date:
return "Never"
if not reference_date:
reference_date = datetime.now()
# Check parameters
if past_date > reference_date:
return "get_relative_date() past_date is after relative_date"
weeks, days = divmod((reference_date - past_date).days, 7)
if weeks == days == 0:
# Played today, so return time instead
return past_date.strftime("%H:%M")
if weeks == 1:
weeks_str = "week"
else:
weeks_str = "weeks"
if days == 1:
days_str = "day"
else:
days_str = "days"
return f"{weeks} {weeks_str}, {days} {days_str} ago"
def show_warning(title, msg):
"Display a warning to user"
QMessageBox.warning(None, title, msg, buttons=QMessageBox.Cancel)
def ms_to_mmss(ms, decimals=0, negative=False):
if not ms:
return "-"
sign = ""
if ms < 0:
if negative:
sign = "-"
else:
ms = 0
minutes, remainder = divmod(ms, 60 * 1000)
seconds = remainder / 1000
# if seconds >= 59.5, it will be represented as 60, which looks odd.
# So, fake it under those circumstances
if seconds >= 59.5:
seconds = 59.0
return f"{sign}{minutes:.0f}:{seconds:02.{decimals}f}"