from __future__ import absolute_import, unicode_literals
# TODO: add validate regexp?
[docs]def validate_required(value, required):
"""Validate that ``value`` is set if ``required``
Normally called in :meth:`~mopidy.config.types.ConfigValue.deserialize` on
the raw string, _not_ the converted value.
"""
if required and not value:
raise ValueError('must be set.')
[docs]def validate_choice(value, choices):
"""Validate that ``value`` is one of the ``choices``
Normally called in :meth:`~mopidy.config.types.ConfigValue.deserialize`.
"""
if choices is not None and value not in choices:
names = ', '.join(repr(c) for c in choices)
raise ValueError('must be one of %s, not %s.' % (names, value))
[docs]def validate_minimum(value, minimum):
"""Validate that ``value`` is at least ``minimum``
Normally called in :meth:`~mopidy.config.types.ConfigValue.deserialize`.
"""
if minimum is not None and value < minimum:
raise ValueError('%r must be larger than %r.' % (value, minimum))
[docs]def validate_maximum(value, maximum):
"""Validate that ``value`` is at most ``maximum``
Normally called in :meth:`~mopidy.config.types.ConfigValue.deserialize`.
"""
if maximum is not None and value > maximum:
raise ValueError('%r must be smaller than %r.' % (value, maximum))