diff options
Diffstat (limited to 'django/forms/utils.py')
| -rw-r--r-- | django/forms/utils.py | 79 |
1 files changed, 43 insertions, 36 deletions
diff --git a/django/forms/utils.py b/django/forms/utils.py index 4af57e8586..7d3bb5ad48 100644 --- a/django/forms/utils.py +++ b/django/forms/utils.py @@ -13,8 +13,8 @@ from django.utils.translation import gettext_lazy as _ def pretty_name(name): """Convert 'first_name' to 'First name'.""" if not name: - return '' - return name.replace('_', ' ').capitalize() + return "" + return name.replace("_", " ").capitalize() def flatatt(attrs): @@ -37,23 +37,24 @@ def flatatt(attrs): elif value is not None: key_value_attrs.append((attr, value)) - return ( - format_html_join('', ' {}="{}"', sorted(key_value_attrs)) + - format_html_join('', ' {}', sorted(boolean_attrs)) + return format_html_join("", ' {}="{}"', sorted(key_value_attrs)) + format_html_join( + "", " {}", sorted(boolean_attrs) ) class RenderableMixin: def get_context(self): raise NotImplementedError( - 'Subclasses of RenderableMixin must provide a get_context() method.' + "Subclasses of RenderableMixin must provide a get_context() method." ) def render(self, template_name=None, context=None, renderer=None): - return mark_safe((renderer or self.renderer).render( - template_name or self.template_name, - context or self.get_context(), - )) + return mark_safe( + (renderer or self.renderer).render( + template_name or self.template_name, + context or self.get_context(), + ) + ) __str__ = render __html__ = render @@ -90,9 +91,10 @@ class ErrorDict(dict, RenderableErrorMixin): The dictionary keys are the field names, and the values are the errors. """ - template_name = 'django/forms/errors/dict/default.html' - template_name_text = 'django/forms/errors/dict/text.txt' - template_name_ul = 'django/forms/errors/dict/ul.html' + + template_name = "django/forms/errors/dict/default.html" + template_name_text = "django/forms/errors/dict/text.txt" + template_name_ul = "django/forms/errors/dict/ul.html" def __init__(self, *args, renderer=None, **kwargs): super().__init__(*args, **kwargs) @@ -106,8 +108,8 @@ class ErrorDict(dict, RenderableErrorMixin): def get_context(self): return { - 'errors': self.items(), - 'error_class': 'errorlist', + "errors": self.items(), + "error_class": "errorlist", } @@ -115,17 +117,18 @@ class ErrorList(UserList, list, RenderableErrorMixin): """ A collection of errors that knows how to display itself in various formats. """ - template_name = 'django/forms/errors/list/default.html' - template_name_text = 'django/forms/errors/list/text.txt' - template_name_ul = 'django/forms/errors/list/ul.html' + + template_name = "django/forms/errors/list/default.html" + template_name_text = "django/forms/errors/list/text.txt" + template_name_ul = "django/forms/errors/list/ul.html" def __init__(self, initlist=None, error_class=None, renderer=None): super().__init__(initlist) if error_class is None: - self.error_class = 'errorlist' + self.error_class = "errorlist" else: - self.error_class = 'errorlist {}'.format(error_class) + self.error_class = "errorlist {}".format(error_class) self.renderer = renderer or get_default_renderer() def as_data(self): @@ -140,16 +143,18 @@ class ErrorList(UserList, list, RenderableErrorMixin): errors = [] for error in self.as_data(): message = next(iter(error)) - errors.append({ - 'message': escape(message) if escape_html else message, - 'code': error.code or '', - }) + errors.append( + { + "message": escape(message) if escape_html else message, + "code": error.code or "", + } + ) return errors def get_context(self): return { - 'errors': self, - 'error_class': self.error_class, + "errors": self, + "error_class": self.error_class, } def __repr__(self): @@ -179,6 +184,7 @@ class ErrorList(UserList, list, RenderableErrorMixin): # Utilities for time zone support in DateTimeField et al. + def from_current_timezone(value): """ When time zone support is enabled, convert naive datetimes @@ -187,19 +193,20 @@ def from_current_timezone(value): if settings.USE_TZ and value is not None and timezone.is_naive(value): current_timezone = timezone.get_current_timezone() try: - if ( - not timezone._is_pytz_zone(current_timezone) and - timezone._datetime_ambiguous_or_imaginary(value, current_timezone) - ): - raise ValueError('Ambiguous or non-existent time.') + if not timezone._is_pytz_zone( + current_timezone + ) and timezone._datetime_ambiguous_or_imaginary(value, current_timezone): + raise ValueError("Ambiguous or non-existent time.") return timezone.make_aware(value, current_timezone) except Exception as exc: raise ValidationError( - _('%(datetime)s couldn’t be interpreted ' - 'in time zone %(current_timezone)s; it ' - 'may be ambiguous or it may not exist.'), - code='ambiguous_timezone', - params={'datetime': value, 'current_timezone': current_timezone} + _( + "%(datetime)s couldn’t be interpreted " + "in time zone %(current_timezone)s; it " + "may be ambiguous or it may not exist." + ), + code="ambiguous_timezone", + params={"datetime": value, "current_timezone": current_timezone}, ) from exc return value |