def _has_changed(self, initial, data):
try:
input_format = get_format('DATE_INPUT_FORMATS')[0]
data = datetime_safe.datetime.strptime(data, input_format).date()
except (TypeError, ValueError):
pass
return super(SelectDateWidget, self)._has_changed(initial, data)
def get_formats():
"""
Returns all formats strings required for i18n to work
"""
FORMAT_SETTINGS = ('DATE_FORMAT', 'DATETIME_FORMAT', 'TIME_FORMAT',
'YEAR_MONTH_FORMAT', 'MONTH_DAY_FORMAT',
'SHORT_DATE_FORMAT', 'SHORT_DATETIME_FORMAT',
'FIRST_DAY_OF_WEEK', 'DECIMAL_SEPARATOR',
'THOUSAND_SEPARATOR', 'NUMBER_GROUPING',
'DATE_INPUT_FORMATS', 'TIME_INPUT_FORMATS',
'DATETIME_INPUT_FORMATS')
result = {}
for module in [settings] + get_format_modules(reverse=True):
for attr in FORMAT_SETTINGS:
result[attr] = get_format(attr)
src = []
for k, v in result.items():
if isinstance(v, (basestring, int)):
src.append(
"formats['%s'] = '%s';\n" %
(javascript_quote(k), javascript_quote(smart_unicode(v))))
elif isinstance(v, (tuple, list)):
v = [javascript_quote(smart_unicode(value)) for value in v]
src.append("formats['%s'] = ['%s'];\n" %
(javascript_quote(k), "', '".join(v)))
return ''.join(src)
def __init__(self, attrs=None, format=None):
super(TimeInput, self).__init__(attrs)
if format:
self.format = format
self.manual_format = True
else:
self.format = formats.get_format('TIME_INPUT_FORMATS')[0]
self.manual_format = False
def _has_changed(self, initial, data):
# If our field has show_hidden_initial=True, initial will be a string
# formatted by HiddenInput using formats.localize_input, which is not
# necessarily the format used for this widget. Attempt to convert it.
try:
input_format = formats.get_format('TIME_INPUT_FORMATS')[0]
initial = datetime.datetime.strptime(initial, input_format).time()
except (TypeError, ValueError):
pass
return super(TimeInput, self)._has_changed(self._format_value(initial), data)
def _parse_date_fmt():
fmt = get_format('DATE_FORMAT')
escaped = False
output = []
for char in fmt:
if escaped:
escaped = False
elif char == '\\':
escaped = True
elif char in 'Yy':
output.append('year')
#if not self.first_select: self.first_select = 'year'
elif char in 'bEFMmNn':
output.append('month')
#if not self.first_select: self.first_select = 'month'
elif char in 'dj':
output.append('day')
#if not self.first_select: self.first_select = 'day'
return output
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 render(self, name, value, attrs=None):
try:
year_val, month_val, day_val = value.year, value.month, value.day
except AttributeError:
year_val = month_val = day_val = None
if isinstance(value, basestring):
if settings.USE_L10N:
try:
input_format = get_format('DATE_INPUT_FORMATS')[0]
v = datetime.datetime.strptime(value, input_format)
year_val, month_val, day_val = v.year, v.month, v.day
except ValueError:
pass
else:
match = RE_DATE.match(value)
if match:
year_val, month_val, day_val = [
int(v) for v in match.groups()
]
choices = [(i, i) for i in self.years]
year_html = self.create_select(name, self.year_field, value, year_val,
choices)
choices = MONTHS.items()
month_html = self.create_select(name, self.month_field, value,
month_val, choices)
choices = [(i, i) for i in range(1, 32)]
day_html = self.create_select(name, self.day_field, value, day_val,
choices)
output = []
for field in _parse_date_fmt():
if field == 'year':
output.append(year_html)
elif field == 'month':
output.append(month_html)
elif field == 'day':
output.append(day_html)
return mark_safe(u'\n'.join(output))
