Класс WeekMixin (Django 3.2)
from django.views.generic.dates import WeekMixin
Mixin for views manipulating week-based data.
Diagramm | Documentation | Source code
Потомки
Attributes
Defined in | |
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week = None
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WeekMixin |
week_format = '%U'
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WeekMixin |
Methods
Return the start date of the current interval.
def _get_current_week(self, date):
"""Return the start date of the current interval."""
return date - datetime.timedelta(self._get_weekday(date))
Return the start date of the next interval. The interval is defined by start date <= item date < next start date.
def _get_next_week(self, date):
"""
Return the start date of the next interval.
The interval is defined by start date <= item date < next start date.
"""
try:
return date + datetime.timedelta(days=7 - self._get_weekday(date))
except OverflowError:
raise Http404(_("Date out of range"))
Get the next valid week.
def get_next_week(self, date):
"""Get the next valid week."""
return _get_next_prev(self, date, is_previous=False, period='week')
Get the previous valid week.
def get_previous_week(self, date):
"""Get the previous valid week."""
return _get_next_prev(self, date, is_previous=True, period='week')
Return the week for which this view should display data.
def get_week(self):
"""Return the week for which this view should display data."""
week = self.week
if week is None:
try:
week = self.kwargs['week']
except KeyError:
try:
week = self.request.GET['week']
except KeyError:
raise Http404(_("No week specified"))
return week
Return the weekday for a given date. The first day according to the week format is 0 and the last day is 6.
def _get_weekday(self, date):
"""
Return the weekday for a given date.
The first day according to the week format is 0 and the last day is 6.
"""
week_format = self.get_week_format()
if week_format in {'%W', '%V'}: # week starts on Monday
return date.weekday()
elif week_format == '%U': # week starts on Sunday
return (date.weekday() + 1) % 7
else:
raise ValueError("unknown week format: %s" % week_format)
Get a week format string in strptime syntax to be used to parse the week from url variables.
def get_week_format(self):
"""
Get a week format string in strptime syntax to be used to parse the
week from url variables.
"""
return self.week_format