5798cabd7c
Add a new workflow field called internal_name for easier workflow reference in document index templates. Generalize the PropertyHelper class. Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>
33 lines
1022 B
Python
33 lines
1022 B
Python
from __future__ import unicode_literals
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import re
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from django.core.validators import RegexValidator
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from django.utils import six
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from django.utils.functional import SimpleLazyObject
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from django.utils.translation import ugettext_lazy as _
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# These values, if given to validate(), will trigger the self.required check.
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EMPTY_VALUES = (None, '', [], (), {})
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def _lazy_re_compile(regex, flags=0):
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"""Lazily compile a regex with flags."""
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def _compile():
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# Compile the regex if it was not passed pre-compiled.
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if isinstance(regex, six.string_types):
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return re.compile(regex, flags)
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else:
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assert not flags, 'flags must be empty if regex is passed pre-compiled'
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return regex
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return SimpleLazyObject(_compile)
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internal_name_re = _lazy_re_compile(r'^[a-zA-Z0-9_]+\Z')
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validate_internal_name = RegexValidator(
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internal_name_re, _(
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"Enter a valid 'internal name' consisting of letters, numbers, and "
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"underscores."
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), 'invalid'
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)
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