Aquí hay una función de propósito general para convertir un timedelta
objeto o un número regular (en forma de segundos o minutos, etc.) en una cadena bien formateada. Tomé respuesta fantástica de mpounsett sobre una cuestión duplicado, hecho que sea un poco más flexible, legibilidad mejorada y documentación añadida.
Encontrará que es la respuesta más flexible aquí hasta ahora, ya que le permite:
- Personalice el formato de cadena sobre la marcha en lugar de que esté codificado.
- Deje ciertos intervalos de tiempo sin problemas (vea los ejemplos a continuación).
Función:
from string import Formatter
from datetime import timedelta
def strfdelta(tdelta, fmt='{D:02}d {H:02}h {M:02}m {S:02}s', inputtype='timedelta'):
"""Convert a datetime.timedelta object or a regular number to a custom-
formatted string, just like the stftime() method does for datetime.datetime
objects.
The fmt argument allows custom formatting to be specified. Fields can
include seconds, minutes, hours, days, and weeks. Each field is optional.
Some examples:
'{D:02}d {H:02}h {M:02}m {S:02}s' --> '05d 08h 04m 02s' (default)
'{W}w {D}d {H}:{M:02}:{S:02}' --> '4w 5d 8:04:02'
'{D:2}d {H:2}:{M:02}:{S:02}' --> ' 5d 8:04:02'
'{H}h {S}s' --> '72h 800s'
The inputtype argument allows tdelta to be a regular number instead of the
default, which is a datetime.timedelta object. Valid inputtype strings:
's', 'seconds',
'm', 'minutes',
'h', 'hours',
'd', 'days',
'w', 'weeks'
"""
# Convert tdelta to integer seconds.
if inputtype == 'timedelta':
remainder = int(tdelta.total_seconds())
elif inputtype in ['s', 'seconds']:
remainder = int(tdelta)
elif inputtype in ['m', 'minutes']:
remainder = int(tdelta)*60
elif inputtype in ['h', 'hours']:
remainder = int(tdelta)*3600
elif inputtype in ['d', 'days']:
remainder = int(tdelta)*86400
elif inputtype in ['w', 'weeks']:
remainder = int(tdelta)*604800
f = Formatter()
desired_fields = [field_tuple[1] for field_tuple in f.parse(fmt)]
possible_fields = ('W', 'D', 'H', 'M', 'S')
constants = {'W': 604800, 'D': 86400, 'H': 3600, 'M': 60, 'S': 1}
values = {}
for field in possible_fields:
if field in desired_fields and field in constants:
values[field], remainder = divmod(remainder, constants[field])
return f.format(fmt, **values)
Manifestación:
>>> td = timedelta(days=2, hours=3, minutes=5, seconds=8, microseconds=340)
>>> print strfdelta(td)
02d 03h 05m 08s
>>> print strfdelta(td, '{D}d {H}:{M:02}:{S:02}')
2d 3:05:08
>>> print strfdelta(td, '{D:2}d {H:2}:{M:02}:{S:02}')
2d 3:05:08
>>> print strfdelta(td, '{H}h {S}s')
51h 308s
>>> print strfdelta(12304, inputtype='s')
00d 03h 25m 04s
>>> print strfdelta(620, '{H}:{M:02}', 'm')
10:20
>>> print strfdelta(49, '{D}d {H}h', 'h')
2d 1h