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-rw-r--r--devel/fields.py30
1 files changed, 30 insertions, 0 deletions
diff --git a/devel/fields.py b/devel/fields.py
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+++ b/devel/fields.py
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+from django.db import models
+from django.core.validators import RegexValidator
+
+
+class PGPKeyField(models.CharField):
+ _south_introspects = True
+
+ def __init__(self, *args, **kwargs):
+ super(PGPKeyField, self).__init__(*args, **kwargs)
+ self.validators.append(RegexValidator(r'^[0-9A-F]{40}$',
+ "Ensure this value consists of 40 hex characters.", 'hex_char'))
+
+ def to_python(self, value):
+ if value == '' or value is None:
+ return None
+ value = super(PGPKeyField, self).to_python(value)
+ # remove all spaces
+ value = value.replace(' ', '')
+ # prune prefixes, either 0x or 2048R/ type
+ if value.startswith('0x'):
+ value = value[2:]
+ value = value.split('/')[-1]
+ # make all (hex letters) uppercase
+ return value.upper()
+
+ def formfield(self, **kwargs):
+ # override so we don't set max_length form field attribute
+ return models.Field.formfield(self, **kwargs)
+
+# vim: set ts=4 sw=4 et: