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158 | # Import template library
from django import template
# Set register
register = template.Library()
# Register filter
@register.filter
def sectodur(value, arg = ''):
"""
#######################################################
# #
# Seconds-to-Duration Template Tag #
# Dan Ward 2009 (http://d-w.me) #
# #
#######################################################
Usage: {{ VALUE|sectodur[:"long"] }}
NOTE: Please read up 'Custom template tags and filters'
if you are unsure as to how the template tag is
implemented in your project.
"""
# Place seconds in to integer
secs = int(value)
# If seconds are greater than 0
if secs > 0:
# Import math library
import math
# Place durations of given units in to variables
daySecs = 86400
hourSecs = 3600
minSecs = 60
# If short string is enabled
if arg != 'long':
# Set short names
dayUnitName = ' day'
hourUnitName = ' hr'
minUnitName = ' min'
secUnitName = ' sec'
# Set short duration unit splitters
lastDurSplitter = ' '
nextDurSplitter = lastDurSplitter
# If short string is not provided or any other value
else:
# Set long names
dayUnitName = ' day'
hourUnitName = ' hour'
minUnitName = ' minute'
secUnitName = ' second'
# Set long duration unit splitters
lastDurSplitter = ' and '
nextDurSplitter = ', '
# Create string to hold outout
durationString = ''
# Calculate number of days from seconds
days = int(math.floor(secs / int(daySecs)))
# Subtract days from seconds
secs = secs - (days * int(daySecs))
# Calculate number of hours from seconds (minus number of days)
hours = int(math.floor(secs / int(hourSecs)))
# Subtract hours from seconds
secs = secs - (hours * int(hourSecs))
# Calculate number of minutes from seconds (minus number of days and hours)
minutes = int(math.floor(secs / int(minSecs)))
# Subtract days from seconds
secs = secs - (minutes * int(minSecs))
# Calculate number of seconds (minus days, hours and minutes)
seconds = secs
# If number of days is greater than 0
if days > 0:
# Add multiple days to duration string
durationString += ' ' + str(days) + dayUnitName + (days > 1 and 's' or '')
# Determine if next string is to be shown
if hours > 0:
# If there are no more units after this
if minutes <= 0 and seconds <= 0:
# Set hour splitter to last
hourSplitter = lastDurSplitter
# If there are unit after this
else:
# Set hour splitter to next
hourSplitter = (len(durationString) > 0 and nextDurSplitter or '')
# If number of hours is greater than 0
if hours > 0:
# Add multiple days to duration string
durationString += hourSplitter + ' ' + str(hours) + hourUnitName + (hours > 1 and 's' or '')
# Determine if next string is to be shown
if minutes > 0:
# If there are no more units after this
if seconds <= 0:
# Set minute splitter to last
minSplitter = lastDurSplitter
# If there are unit after this
else:
# Set minute splitter to next
minSplitter = (len(durationString) > 0 and nextDurSplitter or '')
# If number of minutes is greater than 0
if minutes > 0:
# Add multiple days to duration string
durationString += minSplitter + ' ' + str(minutes) + minUnitName + (minutes > 1 and 's' or '')
# Determine if next string is last
if seconds > 0:
# Set second splitter
secSplitter = (len(durationString) > 0 and lastDurSplitter or '')
# If number of seconds is greater than 0
if seconds > 0:
# Add multiple days to duration string
durationString += secSplitter + ' ' + str(seconds) + secUnitName + (seconds > 1 and 's' or '')
# Return duration string
return durationString.strip()
# If seconds are not greater than 0
else:
# Provide 'No duration' message
return 'No duration'
|
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