mirror of https://github.com/django/django.git
Alphabetized django.utils sections.
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Corey Farwell
Tim Graham
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@ -829,6 +829,120 @@ appropriate entities.
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If ``value`` is ``"Joel is a slug"``, the output will be
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``"joel-is-a-slug"``.
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.. _time-zone-selection-functions:
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``django.utils.timezone``
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=========================
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.. module:: django.utils.timezone
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:synopsis: Timezone support.
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.. data:: utc
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:class:`~datetime.tzinfo` instance that represents UTC.
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.. function:: get_fixed_timezone(offset)
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.. versionadded:: 1.7
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Returns a :class:`~datetime.tzinfo` instance that represents a time zone
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with a fixed offset from UTC.
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``offset`` is a :class:`datetime.timedelta` or an integer number of
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minutes. Use positive values for time zones east of UTC and negative
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values for west of UTC.
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.. function:: get_default_timezone()
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Returns a :class:`~datetime.tzinfo` instance that represents the
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:ref:`default time zone <default-current-time-zone>`.
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.. function:: get_default_timezone_name()
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Returns the name of the :ref:`default time zone
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<default-current-time-zone>`.
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.. function:: get_current_timezone()
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Returns a :class:`~datetime.tzinfo` instance that represents the
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:ref:`current time zone <default-current-time-zone>`.
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.. function:: get_current_timezone_name()
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Returns the name of the :ref:`current time zone
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<default-current-time-zone>`.
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.. function:: activate(timezone)
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Sets the :ref:`current time zone <default-current-time-zone>`. The
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``timezone`` argument must be an instance of a :class:`~datetime.tzinfo`
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subclass or, if pytz_ is available, a time zone name.
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.. function:: deactivate()
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Unsets the :ref:`current time zone <default-current-time-zone>`.
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.. function:: override(timezone)
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This is a Python context manager that sets the :ref:`current time zone
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<default-current-time-zone>` on entry with :func:`activate()`, and restores
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the previously active time zone on exit. If the ``timezone`` argument is
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``None``, the :ref:`current time zone <default-current-time-zone>` is unset
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on entry with :func:`deactivate()` instead.
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.. function:: localtime(value, timezone=None)
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Converts an aware :class:`~datetime.datetime` to a different time zone,
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by default the :ref:`current time zone <default-current-time-zone>`.
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This function doesn't work on naive datetimes; use :func:`make_aware`
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instead.
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.. function:: now()
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Returns a :class:`~datetime.datetime` that represents the
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current point in time. Exactly what's returned depends on the value of
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:setting:`USE_TZ`:
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* If :setting:`USE_TZ` is ``False``, this will be a
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:ref:`naive <naive_vs_aware_datetimes>` datetime (i.e. a datetime
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without an associated timezone) that represents the current time
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in the system's local timezone.
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* If :setting:`USE_TZ` is ``True``, this will be an
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:ref:`aware <naive_vs_aware_datetimes>` datetime representing the
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current time in UTC. Note that :func:`now` will always return
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times in UTC regardless of the value of :setting:`TIME_ZONE`;
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you can use :func:`localtime` to convert to a time in the current
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time zone.
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.. function:: is_aware(value)
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Returns ``True`` if ``value`` is aware, ``False`` if it is naive. This
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function assumes that ``value`` is a :class:`~datetime.datetime`.
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.. function:: is_naive(value)
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Returns ``True`` if ``value`` is naive, ``False`` if it is aware. This
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function assumes that ``value`` is a :class:`~datetime.datetime`.
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.. function:: make_aware(value, timezone)
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Returns an aware :class:`~datetime.datetime` that represents the same
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point in time as ``value`` in ``timezone``, ``value`` being a naive
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:class:`~datetime.datetime`.
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This function can raise an exception if ``value`` doesn't exist or is
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ambiguous because of DST transitions.
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.. function:: make_naive(value, timezone)
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Returns an naive :class:`~datetime.datetime` that represents in
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``timezone`` the same point in time as ``value``, ``value`` being an
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aware :class:`~datetime.datetime`
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.. _pytz: http://pytz.sourceforge.net/
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``django.utils.translation``
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============================
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@ -961,120 +1075,6 @@ For a complete discussion on the usage of the following see the
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Session key under which the active language for the current session is
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stored.
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.. _time-zone-selection-functions:
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``django.utils.timezone``
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=========================
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.. module:: django.utils.timezone
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:synopsis: Timezone support.
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.. data:: utc
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:class:`~datetime.tzinfo` instance that represents UTC.
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.. function:: get_fixed_timezone(offset)
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.. versionadded:: 1.7
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Returns a :class:`~datetime.tzinfo` instance that represents a time zone
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with a fixed offset from UTC.
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``offset`` is a :class:`datetime.timedelta` or an integer number of
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minutes. Use positive values for time zones east of UTC and negative
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values for west of UTC.
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.. function:: get_default_timezone()
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Returns a :class:`~datetime.tzinfo` instance that represents the
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:ref:`default time zone <default-current-time-zone>`.
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.. function:: get_default_timezone_name()
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Returns the name of the :ref:`default time zone
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<default-current-time-zone>`.
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.. function:: get_current_timezone()
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Returns a :class:`~datetime.tzinfo` instance that represents the
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:ref:`current time zone <default-current-time-zone>`.
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.. function:: get_current_timezone_name()
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Returns the name of the :ref:`current time zone
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<default-current-time-zone>`.
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.. function:: activate(timezone)
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Sets the :ref:`current time zone <default-current-time-zone>`. The
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``timezone`` argument must be an instance of a :class:`~datetime.tzinfo`
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subclass or, if pytz_ is available, a time zone name.
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.. function:: deactivate()
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Unsets the :ref:`current time zone <default-current-time-zone>`.
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.. function:: override(timezone)
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This is a Python context manager that sets the :ref:`current time zone
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<default-current-time-zone>` on entry with :func:`activate()`, and restores
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the previously active time zone on exit. If the ``timezone`` argument is
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``None``, the :ref:`current time zone <default-current-time-zone>` is unset
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on entry with :func:`deactivate()` instead.
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.. function:: localtime(value, timezone=None)
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Converts an aware :class:`~datetime.datetime` to a different time zone,
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by default the :ref:`current time zone <default-current-time-zone>`.
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This function doesn't work on naive datetimes; use :func:`make_aware`
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instead.
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.. function:: now()
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Returns a :class:`~datetime.datetime` that represents the
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current point in time. Exactly what's returned depends on the value of
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:setting:`USE_TZ`:
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* If :setting:`USE_TZ` is ``False``, this will be a
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:ref:`naive <naive_vs_aware_datetimes>` datetime (i.e. a datetime
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without an associated timezone) that represents the current time
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in the system's local timezone.
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* If :setting:`USE_TZ` is ``True``, this will be an
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:ref:`aware <naive_vs_aware_datetimes>` datetime representing the
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current time in UTC. Note that :func:`now` will always return
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times in UTC regardless of the value of :setting:`TIME_ZONE`;
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you can use :func:`localtime` to convert to a time in the current
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time zone.
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.. function:: is_aware(value)
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Returns ``True`` if ``value`` is aware, ``False`` if it is naive. This
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function assumes that ``value`` is a :class:`~datetime.datetime`.
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.. function:: is_naive(value)
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Returns ``True`` if ``value`` is naive, ``False`` if it is aware. This
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function assumes that ``value`` is a :class:`~datetime.datetime`.
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.. function:: make_aware(value, timezone)
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Returns an aware :class:`~datetime.datetime` that represents the same
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point in time as ``value`` in ``timezone``, ``value`` being a naive
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:class:`~datetime.datetime`.
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This function can raise an exception if ``value`` doesn't exist or is
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ambiguous because of DST transitions.
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.. function:: make_naive(value, timezone)
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Returns an naive :class:`~datetime.datetime` that represents in
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``timezone`` the same point in time as ``value``, ``value`` being an
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aware :class:`~datetime.datetime`
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.. _pytz: http://pytz.sourceforge.net/
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``django.utils.tzinfo``
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=======================
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