Python numberformat.format方法代码示例

# 需要导入模块: from django.utils import numberformat [as 别名]
# 或者: from django.utils.numberformat import format [as 别名]
def localize(value, use_l10n=None):
    """
    Checks if value is a localizable type (date, number...) and returns it
    formatted as a string using current locale format.

    If use_l10n is provided and is not None, that will force the value to
    be localized (or not), overriding the value of settings.USE_L10N.
    """
    if isinstance(value, bool):
        return mark_safe(six.text_type(value))
    elif isinstance(value, (decimal.Decimal, float) + six.integer_types):
        return number_format(value, use_l10n=use_l10n)
    elif isinstance(value, datetime.datetime):
        return date_format(value, 'DATETIME_FORMAT', use_l10n=use_l10n)
    elif isinstance(value, datetime.date):
        return date_format(value, use_l10n=use_l10n)
    elif isinstance(value, datetime.time):
        return time_format(value, 'TIME_FORMAT', use_l10n=use_l10n)
    else:
        return value 

# 需要导入模块: from django.utils import numberformat [as 别名]
# 或者: from django.utils.numberformat import format [as 别名]
def localize_input(value, default=None):
    """
    Checks if an input value is a localizable type and returns it
    formatted with the appropriate formatting string of the current locale.
    """
    if isinstance(value, (decimal.Decimal, float) + six.integer_types):
        return number_format(value)
    elif isinstance(value, datetime.datetime):
        value = datetime_safe.new_datetime(value)
        format = force_str(default or get_format('DATETIME_INPUT_FORMATS')[0])
        return value.strftime(format)
    elif isinstance(value, datetime.date):
        value = datetime_safe.new_date(value)
        format = force_str(default or get_format('DATE_INPUT_FORMATS')[0])
        return value.strftime(format)
    elif isinstance(value, datetime.time):
        format = force_str(default or get_format('TIME_INPUT_FORMATS')[0])
        return value.strftime(format)
    return value 

# 需要导入模块: from django.utils import numberformat [as 别名]
# 或者: from django.utils.numberformat import format [as 别名]
def iter_format_modules(lang, format_module_path=None):
    """Find format modules."""
    if not check_for_language(lang):
        return

    if format_module_path is None:
        format_module_path = settings.FORMAT_MODULE_PATH

    format_locations = []
    if format_module_path:
        if isinstance(format_module_path, str):
            format_module_path = [format_module_path]
        for path in format_module_path:
            format_locations.append(path + '.%s')
    format_locations.append('django.conf.locale.%s')
    locale = to_locale(lang)
    locales = [locale]
    if '_' in locale:
        locales.append(locale.split('_')[0])
    for location in format_locations:
        for loc in locales:
            try:
                yield import_module('%s.formats' % (location % loc))
            except ImportError:
                pass 

# 需要导入模块: from django.utils import numberformat [as 别名]
# 或者: from django.utils.numberformat import format [as 别名]
def localize(value, use_l10n=None):
    """
    Check if value is a localizable type (date, number...) and return it
    formatted as a string using current locale format.

    If use_l10n is provided and is not None, it forces the value to
    be localized (or not), overriding the value of settings.USE_L10N.
    """
    if isinstance(value, str):  # Handle strings first for performance reasons.
        return value
    elif isinstance(value, bool):  # Make sure booleans don't get treated as numbers
        return str(value)
    elif isinstance(value, (decimal.Decimal, float, int)):
        return number_format(value, use_l10n=use_l10n)
    elif isinstance(value, datetime.datetime):
        return date_format(value, 'DATETIME_FORMAT', use_l10n=use_l10n)
    elif isinstance(value, datetime.date):
        return date_format(value, use_l10n=use_l10n)
    elif isinstance(value, datetime.time):
        return time_format(value, 'TIME_FORMAT', use_l10n=use_l10n)
    return value 

# 需要导入模块: from django.utils import numberformat [as 别名]
# 或者: from django.utils.numberformat import format [as 别名]
def localize_input(value, default=None):
    """
    Check if an input value is a localizable type and return it
    formatted with the appropriate formatting string of the current locale.
    """
    if isinstance(value, str):  # Handle strings first for performance reasons.
        return value
    elif isinstance(value, bool):  # Don't treat booleans as numbers.
        return str(value)
    elif isinstance(value, (decimal.Decimal, float, int)):
        return number_format(value)
    elif isinstance(value, datetime.datetime):
        value = datetime_safe.new_datetime(value)
        format = default or get_format('DATETIME_INPUT_FORMATS')[0]
        return value.strftime(format)
    elif isinstance(value, datetime.date):
        value = datetime_safe.new_date(value)
        format = default or get_format('DATE_INPUT_FORMATS')[0]
        return value.strftime(format)
    elif isinstance(value, datetime.time):
        format = default or get_format('TIME_INPUT_FORMATS')[0]
        return value.strftime(format)
    return value 

# 需要导入模块: from django.utils import numberformat [as 别名]
# 或者: from django.utils.numberformat import format [as 别名]
def localize(value, use_l10n=None):
    """
    Checks if value is a localizable type (date, number...) and returns it
    formatted as a string using current locale format.

    If use_l10n is provided and is not None, that will force the value to
    be localized (or not), overriding the value of settings.USE_L10N.
    """
    if isinstance(value, six.string_types):  # Handle strings first for performance reasons.
        return value
    elif isinstance(value, bool):  # Make sure booleans don't get treated as numbers
        return mark_safe(six.text_type(value))
    elif isinstance(value, (decimal.Decimal, float) + six.integer_types):
        return number_format(value, use_l10n=use_l10n)
    elif isinstance(value, datetime.datetime):
        return date_format(value, 'DATETIME_FORMAT', use_l10n=use_l10n)
    elif isinstance(value, datetime.date):
        return date_format(value, use_l10n=use_l10n)
    elif isinstance(value, datetime.time):
        return time_format(value, 'TIME_FORMAT', use_l10n=use_l10n)
    return value 

# 需要导入模块: from django.utils import numberformat [as 别名]
# 或者: from django.utils.numberformat import format [as 别名]
def localize_input(value, default=None):
    """
    Checks if an input value is a localizable type and returns it
    formatted with the appropriate formatting string of the current locale.
    """
    if isinstance(value, six.string_types):  # Handle strings first for performance reasons.
        return value
    elif isinstance(value, bool):  # Don't treat booleans as numbers.
        return six.text_type(value)
    elif isinstance(value, (decimal.Decimal, float) + six.integer_types):
        return number_format(value)
    elif isinstance(value, datetime.datetime):
        value = datetime_safe.new_datetime(value)
        format = force_str(default or get_format('DATETIME_INPUT_FORMATS')[0])
        return value.strftime(format)
    elif isinstance(value, datetime.date):
        value = datetime_safe.new_date(value)
        format = force_str(default or get_format('DATE_INPUT_FORMATS')[0])
        return value.strftime(format)
    elif isinstance(value, datetime.time):
        format = force_str(default or get_format('TIME_INPUT_FORMATS')[0])
        return value.strftime(format)
    return value 

# 需要导入模块: from django.utils import numberformat [as 别名]
# 或者: from django.utils.numberformat import format [as 别名]
def iter_format_modules(lang):
    """
    Does the heavy lifting of finding format modules.
    """
    if check_for_language(lang):
        format_locations = ['django.conf.locale.%s']
        if settings.FORMAT_MODULE_PATH:
            format_locations.append(settings.FORMAT_MODULE_PATH + '.%s')
            format_locations.reverse()
        locale = to_locale(lang)
        locales = [locale]
        if '_' in locale:
            locales.append(locale.split('_')[0])
        for location in format_locations:
            for loc in locales:
                try:
                    yield import_module('.formats', location % loc)
                except ImportError:
                    pass 

# 需要导入模块: from django.utils import numberformat [as 别名]
# 或者: from django.utils.numberformat import format [as 别名]
def test_large_number(self):
        most_max = (
            '{}179769313486231570814527423731704356798070567525844996'
            '598917476803157260780028538760589558632766878171540458953'
            '514382464234321326889464182768467546703537516986049910576'
            '551282076245490090389328944075868508455133942304583236903'
            '222948165808559332123348274797826204144723168738177180919'
            '29988125040402618412485836{}'
        )
        most_max2 = (
            '{}35953862697246314162905484746340871359614113505168999'
            '31978349536063145215600570775211791172655337563430809179'
            '07028764928468642653778928365536935093407075033972099821'
            '15310256415249098018077865788815173701691026788460916647'
            '38064458963316171186642466965495956524082894463374763543'
            '61838599762500808052368249716736'
        )
        int_max = int(float_info.max)
        self.assertEqual(nformat(int_max, '.'), most_max.format('', '8'))
        self.assertEqual(nformat(int_max + 1, '.'), most_max.format('', '9'))
        self.assertEqual(nformat(int_max * 2, '.'), most_max2.format(''))
        self.assertEqual(nformat(0 - int_max, '.'), most_max.format('-', '8'))
        self.assertEqual(nformat(-1 - int_max, '.'), most_max.format('-', '9'))
        self.assertEqual(nformat(-2 * int_max, '.'), most_max2.format('-')) 

# 需要导入模块: from django.utils import numberformat [as 别名]
# 或者: from django.utils.numberformat import format [as 别名]
def test_decimal_numbers(self):
        self.assertEqual(nformat(Decimal('1234'), '.'), '1234')
        self.assertEqual(nformat(Decimal('1234.2'), '.'), '1234.2')
        self.assertEqual(nformat(Decimal('1234'), '.', decimal_pos=2), '1234.00')
        self.assertEqual(nformat(Decimal('1234'), '.', grouping=2, thousand_sep=','), '1234')
        self.assertEqual(nformat(Decimal('1234'), '.', grouping=2, thousand_sep=',', force_grouping=True), '12,34')
        self.assertEqual(nformat(Decimal('-1234.33'), '.', decimal_pos=1), '-1234.3')
        self.assertEqual(nformat(Decimal('0.00000001'), '.', decimal_pos=8), '0.00000001')
        self.assertEqual(nformat(Decimal('9e-19'), '.', decimal_pos=2), '0.00')
        self.assertEqual(nformat(Decimal('.00000000000099'), '.', decimal_pos=0), '0')
        self.assertEqual(
            nformat(Decimal('1e16'), '.', thousand_sep=',', grouping=3, force_grouping=True),
            '10,000,000,000,000,000'
        )
        self.assertEqual(
            nformat(Decimal('1e16'), '.', decimal_pos=2, thousand_sep=',', grouping=3, force_grouping=True),
            '10,000,000,000,000,000.00'
        )
        self.assertEqual(nformat(Decimal('3.'), '.'), '3')
        self.assertEqual(nformat(Decimal('3.0'), '.'), '3.0') 

# 需要导入模块: from django.utils import numberformat [as 别名]
# 或者: from django.utils.numberformat import format [as 别名]
def do_float_dot(value, decimal_pos=4):
    return format(value or 0, ".", decimal_pos) 

# 需要导入模块: from django.utils import numberformat [as 别名]
# 或者: from django.utils.numberformat import format [as 别名]
def iter_format_modules(lang, format_module_path=None):
    """
    Does the heavy lifting of finding format modules.
    """
    if not check_for_language(lang):
        return

    if format_module_path is None:
        format_module_path = settings.FORMAT_MODULE_PATH

    format_locations = []
    if format_module_path:
        if isinstance(format_module_path, six.string_types):
            format_module_path = [format_module_path]
        for path in format_module_path:
            format_locations.append(path + '.%s')
    format_locations.append('django.conf.locale.%s')
    locale = to_locale(lang)
    locales = [locale]
    if '_' in locale:
        locales.append(locale.split('_')[0])
    for location in format_locations:
        for loc in locales:
            try:
                yield import_module('%s.formats' % (location % loc))
            except ImportError:
                pass 

# 需要导入模块: from django.utils import numberformat [as 别名]
# 或者: from django.utils.numberformat import format [as 别名]
def get_format_modules(lang=None, reverse=False):
    """
    Returns a list of the format modules found
    """
    if lang is None:
        lang = get_language()
    modules = _format_modules_cache.setdefault(lang, list(iter_format_modules(lang, settings.FORMAT_MODULE_PATH)))
    if reverse:
        return list(reversed(modules))
    return modules 

# 需要导入模块: from django.utils import numberformat [as 别名]
# 或者: from django.utils.numberformat import format [as 别名]
def get_format(format_type, lang=None, use_l10n=None):
    """
    For a specific format type, returns the format for the current
    language (locale), defaults to the format in the settings.
    format_type is the name of the format, e.g. 'DATE_FORMAT'

    If use_l10n is provided and is not None, that will force the value to
    be localized (or not), overriding the value of settings.USE_L10N.
    """
    format_type = force_str(format_type)
    if use_l10n or (use_l10n is None and settings.USE_L10N):
        if lang is None:
            lang = get_language()
        cache_key = (format_type, lang)
        try:
            cached = _format_cache[cache_key]
            if cached is not None:
                return cached
            else:
                # Return the general setting by default
                return getattr(settings, format_type)
        except KeyError:
            for module in get_format_modules(lang):
                try:
                    val = getattr(module, format_type)
                    for iso_input in ISO_INPUT_FORMATS.get(format_type, ()):
                        if iso_input not in val:
                            if isinstance(val, tuple):
                                val = list(val)
                            val.append(iso_input)
                    _format_cache[cache_key] = val
                    return val
                except AttributeError:
                    pass
            _format_cache[cache_key] = None
    return getattr(settings, format_type) 

# 需要导入模块: from django.utils import numberformat [as 别名]
# 或者: from django.utils.numberformat import format [as 别名]
def date_format(value, format=None, use_l10n=None):
    """
    Formats a datetime.date or datetime.datetime object using a
    localizable format

    If use_l10n is provided and is not None, that will force the value to
    be localized (or not), overriding the value of settings.USE_L10N.
    """
    return dateformat.format(value, get_format(format or 'DATE_FORMAT', use_l10n=use_l10n))