datatracker/ietf/utils/fields.py
Ole Laursen 1d51a43be4 Summary: Fix the yyyymmdd to strftime format converter to use a single
pass through the format so that it actually works correctly
 - Legacy-Id: 8732
2014-12-12 11:24:15 +00:00

65 lines
2 KiB
Python

from django import forms
from django.core.validators import validate_email
class MultiEmailField(forms.Field):
def to_python(self, value):
"Normalize data to a list of strings."
# Return an empty list if no input was given.
if not value:
return []
if isinstance(value, basestring):
values = value.split(',')
return [ x.strip() for x in values if x.strip() ]
else:
return value
def validate(self, value):
"Check if value consists only of valid emails."
# Use the parent's handling of required fields, etc.
super(MultiEmailField, self).validate(value)
for email in value:
validate_email(email)
def yyyymmdd_to_strftime_format(fmt):
translation_table = sorted([
("yyyy", "%Y"),
("yy", "%y"),
("mm", "%m"),
("m", "%-m"),
("MM", "%B"),
("M", "%b"),
("dd", "%d"),
("d", "%-d"),
], key=lambda t: len(t[0]), reverse=True)
res = ""
remaining = fmt
while remaining:
for pattern, replacement in translation_table:
if remaining.startswith(pattern):
res += replacement
remaining = remaining[len(pattern):]
break
else:
res += remaining[0]
remaining = remaining[1:]
return res
class DatepickerDateField(forms.DateField):
"""DateField with some glue for triggering JS Bootstrap datepicker."""
def __init__(self, date_format, picker_settings={}, *args, **kwargs):
strftime_format = yyyymmdd_to_strftime_format(date_format)
kwargs["input_formats"] = [strftime_format]
kwargs["widget"] = forms.DateInput(format=strftime_format)
super(DatepickerDateField, self).__init__(*args, **kwargs)
self.widget.attrs["data-provide"] = "datepicker"
self.widget.attrs["data-date-format"] = date_format
for k, v in picker_settings.iteritems():
self.widget.attrs["data-date-%s" % k] = v