示例#1
0
def get_timezone_name(dt_or_tzinfo=None,
                      width='long',
                      uncommon=False,
                      locale=LC_TIME):
    r"""Return the localized display name for the given timezone. The timezone
    may be specified using a ``datetime`` or `tzinfo` object.
    
    >>> from pytz import timezone
    >>> dt = time(15, 30, tzinfo=timezone('America/Los_Angeles'))
    >>> get_timezone_name(dt, locale='en_US')
    u'Pacific Standard Time'
    >>> get_timezone_name(dt, width='short', locale='en_US')
    u'PST'
    
    If this function gets passed only a `tzinfo` object and no concrete
    `datetime`,  the returned display name is indenpendent of daylight savings
    time. This can be used for example for selecting timezones, or to set the
    time of events that recur across DST changes:
    
    >>> tz = timezone('America/Los_Angeles')
    >>> get_timezone_name(tz, locale='en_US')
    u'Pacific Time'
    >>> get_timezone_name(tz, 'short', locale='en_US')
    u'PT'
    
    If no localized display name for the timezone is available, and the timezone
    is associated with a country that uses only a single timezone, the name of
    that country is returned, formatted according to the locale:
    
    >>> tz = timezone('Europe/Berlin')
    >>> get_timezone_name(tz, locale='de_DE')
    u'Deutschland'
    >>> get_timezone_name(tz, locale='pt_BR')
    u'Hor\xe1rio Alemanha'
    
    On the other hand, if the country uses multiple timezones, the city is also
    included in the representation:
    
    >>> tz = timezone('America/St_Johns')
    >>> get_timezone_name(tz, locale='de_DE')
    u"Kanada (St. John's)"
    
    The `uncommon` parameter can be set to `True` to enable the use of timezone
    representations that are not commonly used by the requested locale. For
    example, while in frensh the central europian timezone is usually
    abbreviated as "HEC", in Canadian French, this abbreviation is not in
    common use, so a generic name would be chosen by default:
    
    >>> tz = timezone('Europe/Paris')
    >>> get_timezone_name(tz, 'short', locale='fr_CA')
    u'France'
    >>> get_timezone_name(tz, 'short', uncommon=True, locale='fr_CA')
    u'HEC'
    
    :param dt_or_tzinfo: the ``datetime`` or ``tzinfo`` object that determines
                         the timezone; if a ``tzinfo`` object is used, the
                         resulting display name will be generic, i.e.
                         independent of daylight savings time; if `None`, the
                         current date in UTC is assumed
    :param width: either "long" or "short"
    :param uncommon: whether even uncommon timezone abbreviations should be used
    :param locale: the `Locale` object, or a locale string
    :return: the timezone display name
    :rtype: `unicode`
    :since: version 0.9
    :see:  `LDML Appendix J: Time Zone Display Names
            <http://www.unicode.org/reports/tr35/#Time_Zone_Fallback>`_
    """
    if dt_or_tzinfo is None or isinstance(dt_or_tzinfo, (int, long)):
        dt = None
        tzinfo = UTC
    elif isinstance(dt_or_tzinfo, (datetime, time)):
        dt = dt_or_tzinfo
        if dt.tzinfo is not None:
            tzinfo = dt.tzinfo
        else:
            tzinfo = UTC
    else:
        dt = None
        tzinfo = dt_or_tzinfo
    locale = Locale.parse(locale)

    if hasattr(tzinfo, 'zone'):
        zone = tzinfo.zone
    else:
        zone = tzinfo.tzname(dt)

    # Get the canonical time-zone code
    zone = get_global('zone_aliases').get(zone, zone)

    info = locale.time_zones.get(zone, {})
    # Try explicitly translated zone names first
    if width in info:
        if dt is None:
            field = 'generic'
        else:
            dst = tzinfo.dst(dt)
            if dst is None:
                field = 'generic'
            elif dst == 0:
                field = 'standard'
            else:
                field = 'daylight'
        if field in info[width]:
            return info[width][field]

    metazone = get_global('meta_zones').get(zone)
    if metazone:
        metazone_info = locale.meta_zones.get(metazone, {})
        if width in metazone_info and (uncommon
                                       or metazone_info.get('common')):
            if dt is None:
                field = 'generic'
            else:
                field = tzinfo.dst(dt) and 'daylight' or 'standard'
            if field in metazone_info[width]:
                return metazone_info[width][field]

    # If we have a concrete datetime, we assume that the result can't be
    # independent of daylight savings time, so we return the GMT offset
    if dt is not None:
        return get_timezone_gmt(dt, width=width, locale=locale)

    return get_timezone_location(dt_or_tzinfo, locale=locale)
示例#2
0
文件: dates.py 项目: 10sr/hue
def get_timezone_name(dt_or_tzinfo=None, width='long', uncommon=False,
                      locale=LC_TIME):
    r"""Return the localized display name for the given timezone. The timezone
    may be specified using a ``datetime`` or `tzinfo` object.
    
    >>> from pytz import timezone
    >>> dt = time(15, 30, tzinfo=timezone('America/Los_Angeles'))
    >>> get_timezone_name(dt, locale='en_US')
    u'Pacific Standard Time'
    >>> get_timezone_name(dt, width='short', locale='en_US')
    u'PST'
    
    If this function gets passed only a `tzinfo` object and no concrete
    `datetime`,  the returned display name is indenpendent of daylight savings
    time. This can be used for example for selecting timezones, or to set the
    time of events that recur across DST changes:
    
    >>> tz = timezone('America/Los_Angeles')
    >>> get_timezone_name(tz, locale='en_US')
    u'Pacific Time'
    >>> get_timezone_name(tz, 'short', locale='en_US')
    u'PT'
    
    If no localized display name for the timezone is available, and the timezone
    is associated with a country that uses only a single timezone, the name of
    that country is returned, formatted according to the locale:
    
    >>> tz = timezone('Europe/Berlin')
    >>> get_timezone_name(tz, locale='de_DE')
    u'Deutschland'
    >>> get_timezone_name(tz, locale='pt_BR')
    u'Hor\xe1rio Alemanha'
    
    On the other hand, if the country uses multiple timezones, the city is also
    included in the representation:
    
    >>> tz = timezone('America/St_Johns')
    >>> get_timezone_name(tz, locale='de_DE')
    u"Kanada (St. John's)"
    
    The `uncommon` parameter can be set to `True` to enable the use of timezone
    representations that are not commonly used by the requested locale. For
    example, while in French the central European timezone is usually
    abbreviated as "HEC", in Canadian French, this abbreviation is not in
    common use, so a generic name would be chosen by default:
    
    >>> tz = timezone('Europe/Paris')
    >>> get_timezone_name(tz, 'short', locale='fr_CA')
    u'France'
    >>> get_timezone_name(tz, 'short', uncommon=True, locale='fr_CA')
    u'HEC'
    
    :param dt_or_tzinfo: the ``datetime`` or ``tzinfo`` object that determines
                         the timezone; if a ``tzinfo`` object is used, the
                         resulting display name will be generic, i.e.
                         independent of daylight savings time; if `None`, the
                         current date in UTC is assumed
    :param width: either "long" or "short"
    :param uncommon: whether even uncommon timezone abbreviations should be used
    :param locale: the `Locale` object, or a locale string
    :return: the timezone display name
    :rtype: `unicode`
    :since: version 0.9
    :see:  `LDML Appendix J: Time Zone Display Names
            <http://www.unicode.org/reports/tr35/#Time_Zone_Fallback>`_
    """
    if dt_or_tzinfo is None or isinstance(dt_or_tzinfo, (int, long)):
        dt = None
        tzinfo = UTC
    elif isinstance(dt_or_tzinfo, (datetime, time)):
        dt = dt_or_tzinfo
        if dt.tzinfo is not None:
            tzinfo = dt.tzinfo
        else:
            tzinfo = UTC
    else:
        dt = None
        tzinfo = dt_or_tzinfo
    locale = Locale.parse(locale)

    if hasattr(tzinfo, 'zone'):
        zone = tzinfo.zone
    else:
        zone = tzinfo.tzname(dt)

    # Get the canonical time-zone code
    zone = get_global('zone_aliases').get(zone, zone)

    info = locale.time_zones.get(zone, {})
    # Try explicitly translated zone names first
    if width in info:
        if dt is None:
            field = 'generic'
        else:
            dst = tzinfo.dst(dt)
            if dst is None:
                field = 'generic'
            elif dst == 0:
                field = 'standard'
            else:
                field = 'daylight'
        if field in info[width]:
            return info[width][field]

    metazone = get_global('meta_zones').get(zone)
    if metazone:
        metazone_info = locale.meta_zones.get(metazone, {})
        if width in metazone_info and (uncommon or metazone_info.get('common')):
            if dt is None:
                field = 'generic'
            else:
                field = tzinfo.dst(dt) and 'daylight' or 'standard'
            if field in metazone_info[width]:
                return metazone_info[width][field]

    # If we have a concrete datetime, we assume that the result can't be
    # independent of daylight savings time, so we return the GMT offset
    if dt is not None:
        return get_timezone_gmt(dt, width=width, locale=locale)

    return get_timezone_location(dt_or_tzinfo, locale=locale)
示例#3
0
def get_timezone_location(dt_or_tzinfo=None, locale=LC_TIME):
    """Return a representation of the given timezone using "location format".
    
    The result depends on both the local display name of the country and the
    city assocaited with the time zone:
    
    >>> from pytz import timezone
    >>> tz = timezone('America/St_Johns')
    >>> get_timezone_location(tz, locale='de_DE')
    u"Kanada (St. John's)"
    >>> tz = timezone('America/Mexico_City')
    >>> get_timezone_location(tz, locale='de_DE')
    u'Mexiko (Mexiko-Stadt)'
    
    If the timezone is associated with a country that uses only a single
    timezone, just the localized country name is returned:
    
    >>> tz = timezone('Europe/Berlin')
    >>> get_timezone_name(tz, locale='de_DE')
    u'Deutschland'
    
    :param dt_or_tzinfo: the ``datetime`` or ``tzinfo`` object that determines
                         the timezone; if `None`, the current date and time in
                         UTC is assumed
    :param locale: the `Locale` object, or a locale string
    :return: the localized timezone name using location format
    :rtype: `unicode`
    :since: version 0.9
    """
    if dt_or_tzinfo is None or isinstance(dt_or_tzinfo, (int, long)):
        dt = None
        tzinfo = UTC
    elif isinstance(dt_or_tzinfo, (datetime, time)):
        dt = dt_or_tzinfo
        if dt.tzinfo is not None:
            tzinfo = dt.tzinfo
        else:
            tzinfo = UTC
    else:
        dt = None
        tzinfo = dt_or_tzinfo
    locale = Locale.parse(locale)

    if hasattr(tzinfo, 'zone'):
        zone = tzinfo.zone
    else:
        zone = tzinfo.tzname(dt or datetime.utcnow())

    # Get the canonical time-zone code
    zone = get_global('zone_aliases').get(zone, zone)

    info = locale.time_zones.get(zone, {})

    # Otherwise, if there is only one timezone for the country, return the
    # localized country name
    region_format = locale.zone_formats['region']
    territory = get_global('zone_territories').get(zone)
    if territory not in locale.territories:
        territory = 'ZZ'  # invalid/unknown
    territory_name = locale.territories[territory]
    if territory and len(get_global('territory_zones').get(territory,
                                                           [])) == 1:
        return region_format % (territory_name)

    # Otherwise, include the city in the output
    fallback_format = locale.zone_formats['fallback']
    if 'city' in info:
        city_name = info['city']
    else:
        metazone = get_global('meta_zones').get(zone)
        metazone_info = locale.meta_zones.get(metazone, {})
        if 'city' in metazone_info:
            city_name = metainfo['city']
        elif '/' in zone:
            city_name = zone.split('/', 1)[1].replace('_', ' ')
        else:
            city_name = zone.replace('_', ' ')

    return region_format % (fallback_format % {
        '0': city_name,
        '1': territory_name
    })
示例#4
0
文件: dates.py 项目: 10sr/hue
def get_timezone_location(dt_or_tzinfo=None, locale=LC_TIME):
    """Return a representation of the given timezone using "location format".
    
    The result depends on both the local display name of the country and the
    city associated with the time zone:
    
    >>> from pytz import timezone
    >>> tz = timezone('America/St_Johns')
    >>> get_timezone_location(tz, locale='de_DE')
    u"Kanada (St. John's)"
    >>> tz = timezone('America/Mexico_City')
    >>> get_timezone_location(tz, locale='de_DE')
    u'Mexiko (Mexiko-Stadt)'
    
    If the timezone is associated with a country that uses only a single
    timezone, just the localized country name is returned:
    
    >>> tz = timezone('Europe/Berlin')
    >>> get_timezone_name(tz, locale='de_DE')
    u'Deutschland'
    
    :param dt_or_tzinfo: the ``datetime`` or ``tzinfo`` object that determines
                         the timezone; if `None`, the current date and time in
                         UTC is assumed
    :param locale: the `Locale` object, or a locale string
    :return: the localized timezone name using location format
    :rtype: `unicode`
    :since: version 0.9
    """
    if dt_or_tzinfo is None or isinstance(dt_or_tzinfo, (int, long)):
        dt = None
        tzinfo = UTC
    elif isinstance(dt_or_tzinfo, (datetime, time)):
        dt = dt_or_tzinfo
        if dt.tzinfo is not None:
            tzinfo = dt.tzinfo
        else:
            tzinfo = UTC
    else:
        dt = None
        tzinfo = dt_or_tzinfo
    locale = Locale.parse(locale)

    if hasattr(tzinfo, 'zone'):
        zone = tzinfo.zone
    else:
        zone = tzinfo.tzname(dt or datetime.utcnow())

    # Get the canonical time-zone code
    zone = get_global('zone_aliases').get(zone, zone)

    info = locale.time_zones.get(zone, {})

    # Otherwise, if there is only one timezone for the country, return the
    # localized country name
    region_format = locale.zone_formats['region']
    territory = get_global('zone_territories').get(zone)
    if territory not in locale.territories:
        territory = 'ZZ' # invalid/unknown
    territory_name = locale.territories[territory]
    if territory and len(get_global('territory_zones').get(territory, [])) == 1:
        return region_format % (territory_name)

    # Otherwise, include the city in the output
    fallback_format = locale.zone_formats['fallback']
    if 'city' in info:
        city_name = info['city']
    else:
        metazone = get_global('meta_zones').get(zone)
        metazone_info = locale.meta_zones.get(metazone, {})
        if 'city' in metazone_info:
            city_name = metainfo['city']
        elif '/' in zone:
            city_name = zone.split('/', 1)[1].replace('_', ' ')
        else:
            city_name = zone.replace('_', ' ')

    return region_format % (fallback_format % {
        '0': city_name,
        '1': territory_name
    })