django-musician/musician/utils.py

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def get_bootstraped_percent(value, total):
"""
Get percent and round to be 0, 25, 50 or 100
Useful to set progress bar width using CSS classes (e.g. w-25)
"""
percent = value / total
bootstraped = round(percent * 4) * 100 // 4
# handle min and max boundaries
bootstraped = max(0, bootstraped)
bootstraped = min(100, bootstraped)
return bootstraped