我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用django.conf.settings.USE_L10N。
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)
def intcomma(value, use_l10n=True): """ Converts 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 = force_text(value) new = re.sub("^(-?\d+)(\d{3})", '\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
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 )
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
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
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}
def intcomma(value, use_l10n=True): """ Converts 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 = force_text(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
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)
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
