Python settings.USE_L10N属性代码示例

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_L10N [as 别名]
def value_from_datadict(self, data, files, name):
        y = data.get(self.year_field % name)
        m = data.get(self.month_field % name)
        d = data.get(self.day_field % name)
        if y == m == d == "0":
            return None
        if y and m and d:
            if settings.USE_L10N:
                input_format = get_format('DATE_INPUT_FORMATS')[0]
                try:
                    date_value = datetime.date(int(y), int(m), int(d))
                except ValueError:
                    return '%s-%s-%s' % (y, m, d)
                else:
                    date_value = datetime_safe.new_date(date_value)
                    return date_value.strftime(input_format)
            else:
                return '%s-%s-%s' % (y, m, d)
        return data.get(name, None) 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_L10N [as 别名]
def number_format(value, decimal_pos=None, use_l10n=None, force_grouping=False):
    """
    Formats a numeric value using localization settings

    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 use_l10n or (use_l10n is None and settings.USE_L10N):
        lang = get_language()
    else:
        lang = None
    return numberformat.format(
        value,
        get_format('DECIMAL_SEPARATOR', lang, use_l10n=use_l10n),
        decimal_pos,
        get_format('NUMBER_GROUPING', lang, use_l10n=use_l10n),
        get_format('THOUSAND_SEPARATOR', lang, use_l10n=use_l10n),
        force_grouping=force_grouping
    ) 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_L10N [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.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_L10N [as 别名]
def sanitize_separators(value):
    """
    Sanitizes a value according to the current decimal and
    thousand separator setting. Used with form field input.
    """
    if settings.USE_L10N and isinstance(value, six.string_types):
        parts = []
        decimal_separator = get_format('DECIMAL_SEPARATOR')
        if decimal_separator in value:
            value, decimals = value.split(decimal_separator, 1)
            parts.append(decimals)
        if settings.USE_THOUSAND_SEPARATOR:
            thousand_sep = get_format('THOUSAND_SEPARATOR')
            if thousand_sep == '.' and value.count('.') == 1 and len(value.split('.')[-1]) != 3:
                # Special case where we suspect a dot meant decimal separator (see #22171)
                pass
            else:
                for replacement in {
                        thousand_sep, unicodedata.normalize('NFKD', thousand_sep)}:
                    value = value.replace(replacement, '')
        parts.append(value)
        value = '.'.join(reversed(parts))
    return value 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_L10N [as 别名]
def __init__(self, environment):
        super(DjangoL10n, self).__init__(environment)
        finalize = []
        if settings.USE_TZ:
            finalize.append(template_localtime)
        if settings.USE_L10N:
            finalize.append(localize)

        if finalize:
            fns = iter(finalize)
            if environment.finalize is None:
                new_finalize = next(fns)
            else:
                new_finalize = environment.finalize
            for f in fns:
                new_finalize = self._compose(f, new_finalize)

            environment.finalize = new_finalize 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_L10N [as 别名]
def format_value(self, value):
        """
        Return a dict containing the year, month, and day of the current value.
        Use dict instead of a datetime to allow invalid dates such as February
        31 to display correctly.
        """
        year, month, day = None, None, None
        if isinstance(value, (datetime.date, datetime.datetime)):
            year, month, day = value.year, value.month, value.day
        elif isinstance(value, str):
            if settings.USE_L10N:
                input_format = get_format('DATE_INPUT_FORMATS')[0]
                try:
                    d = datetime.datetime.strptime(value, input_format)
                except ValueError:
                    pass
                else:
                    year, month, day = d.year, d.month, d.day
            match = self.date_re.match(value)
            if match:
                year, month, day = [int(val) for val in match.groups()]
        return {'year': year, 'month': month, 'day': day} 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_L10N [as 别名]
def value_from_datadict(self, data, files, name):
        y = data.get(self.year_field % name)
        m = data.get(self.month_field % name)
        d = data.get(self.day_field % name)
        if y == m == d == "0":
            return None
        if y and m and d:
            if settings.USE_L10N:
                input_format = get_format('DATE_INPUT_FORMATS')[0]
                try:
                    date_value = datetime.date(int(y), int(m), int(d))
                except ValueError:
                    return '%s-%s-%s' % (y, m, d)
                else:
                    date_value = datetime_safe.new_date(date_value)
                    return date_value.strftime(input_format)
            else:
                return '%s-%s-%s' % (y, m, d)
        return data.get(name) 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_L10N [as 别名]
def number_format(value, decimal_pos=None, use_l10n=None, force_grouping=False):
    """
    Format a numeric value using localization settings.

    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 use_l10n or (use_l10n is None and settings.USE_L10N):
        lang = get_language()
    else:
        lang = None
    return numberformat.format(
        value,
        get_format('DECIMAL_SEPARATOR', lang, use_l10n=use_l10n),
        decimal_pos,
        get_format('NUMBER_GROUPING', lang, use_l10n=use_l10n),
        get_format('THOUSAND_SEPARATOR', lang, use_l10n=use_l10n),
        force_grouping=force_grouping
    ) 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_L10N [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.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_L10N [as 别名]
def intcomma(value, use_l10n=True):
    """
    Convert an integer to a string containing commas every three digits.
    For example, 3000 becomes '3,000' and 45000 becomes '45,000'.
    """
    if settings.USE_L10N and use_l10n:
        try:
            if not isinstance(value, (float, Decimal)):
                value = int(value)
        except (TypeError, ValueError):
            return intcomma(value, False)
        else:
            return number_format(value, force_grouping=True)
    orig = str(value)
    new = re.sub(r"^(-?\d+)(\d{3})", r'\g<1>,\g<2>', orig)
    if orig == new:
        return new
    else:
        return intcomma(new, use_l10n)


# A tuple of standard large number to their converters 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_L10N [as 别名]
def format_value(self, value):
        """
        Return a dict containing the year, month, and day of the current value.
        Use dict instead of a datetime to allow invalid dates such as February
        31 to display correctly.
        """
        year, month, day = None, None, None
        if isinstance(value, (datetime.date, datetime.datetime)):
            year, month, day = value.year, value.month, value.day
        elif isinstance(value, str):
            match = self.date_re.match(value)
            if match:
                # Convert any zeros in the date to empty strings to match the
                # empty option value.
                year, month, day = [int(val) or '' for val in match.groups()]
            elif settings.USE_L10N:
                input_format = get_format('DATE_INPUT_FORMATS')[0]
                try:
                    d = datetime.datetime.strptime(value, input_format)
                except ValueError:
                    pass
                else:
                    year, month, day = d.year, d.month, d.day
        return {'year': year, 'month': month, 'day': day} 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_L10N [as 别名]
def value_from_datadict(self, data, files, name):
        y = data.get(self.year_field % name)
        m = data.get(self.month_field % name)
        d = data.get(self.day_field % name)
        if y == m == d == '':
            return None
        if y is not None and m is not None and d is not None:
            if settings.USE_L10N:
                input_format = get_format('DATE_INPUT_FORMATS')[0]
                try:
                    date_value = datetime.date(int(y), int(m), int(d))
                except ValueError:
                    pass
                else:
                    date_value = datetime_safe.new_date(date_value)
                    return date_value.strftime(input_format)
            # Return pseudo-ISO dates with zeros for any unselected values,
            # e.g. '2017-0-23'.
            return '%s-%s-%s' % (y or 0, m or 0, d or 0)
        return data.get(name) 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_L10N [as 别名]
def format_value(self, value):
        """
        Return a dict containing the year, month, and day of the current value.
        Use dict instead of a datetime to allow invalid dates such as February
        31 to display correctly.
        """
        year, month, day = None, None, None
        if isinstance(value, (datetime.date, datetime.datetime)):
            year, month, day = value.year, value.month, value.day
        elif isinstance(value, six.string_types):
            if settings.USE_L10N:
                try:
                    input_format = get_format('DATE_INPUT_FORMATS')[0]
                    d = datetime.datetime.strptime(force_str(value), input_format)
                    year, month, day = d.year, d.month, d.day
                except ValueError:
                    pass
            match = self.date_re.match(value)
            if match:
                year, month, day = [int(val) for val in match.groups()]
        return {'year': year, 'month': month, 'day': day} 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_L10N [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.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_L10N [as 别名]
def sanitize_separators(value):
    """
    Sanitizes a value according to the current decimal and
    thousand separator setting. Used with form field input.
    """
    if settings.USE_L10N:
        decimal_separator = get_format('DECIMAL_SEPARATOR')
        if isinstance(value, six.string_types):
            parts = []
            if decimal_separator in value:
                value, decimals = value.split(decimal_separator, 1)
                parts.append(decimals)
            if settings.USE_THOUSAND_SEPARATOR:
                parts.append(value.replace(get_format('THOUSAND_SEPARATOR'), ''))
            else:
                parts.append(value)
            value = '.'.join(reversed(parts))
    return value