51 lines
1.8 KiB
Python
51 lines
1.8 KiB
Python
"""
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Django forms for use with the dot-restrict-scopes package.
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"""
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from django import forms
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from oauth2_provider.scopes import get_scopes_backend
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class DelimitedListField(forms.MultipleChoiceField):
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"""
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Django form field that allows for the use of list widgets with a text field
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containing a delimited list.
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"""
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delimiter = ','
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def __init__(self, delimiter = None, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.delimiter = delimiter or self.delimiter
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def prepare_value(self, value):
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# If the value is already a list or tuple, just use it as-is
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if isinstance(value, (list, tuple)): return value
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# Otherwise, prepare the value by splitting on the delimiter, trimming
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# leading and trailing whitespace and excluding empty values
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return [p.strip() for p in value.split(self.delimiter) if p.strip()]
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def clean(self, value):
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# Let the parent clean the value first, then join the result using the
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# specified delimiter
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return self.delimiter.join(super().clean(value))
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class RestrictedApplicationForm(forms.ModelForm):
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"""
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Form for creating or updating a restricted application.
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"""
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# allowed_scope is a space-delimited list, but we want to present
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# a selection of valid scopes with checkboxes
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allowed_scope = DelimitedListField(
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label = 'Allowed scopes',
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# The choices and initial values are callables, because the scopes might
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# not be available at import type, e.g. if coming from the database
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choices = lambda: get_scopes_backend().get_all_scopes().items(),
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initial = lambda: get_scopes_backend().get_default_scopes(),
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delimiter = ' ',
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widget = forms.CheckboxSelectMultiple
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)
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class Meta:
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exclude = ()
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