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author | René 'Necoro' Neumann <necoro@necoro.net> | 2017-02-26 18:21:57 +0100 |
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committer | René 'Necoro' Neumann <necoro@necoro.net> | 2017-02-26 18:21:57 +0100 |
commit | 247a64165b014960be2d26f9d7a16559b36ac8bf (patch) | |
tree | f650abadd5a08c76ccb148ae35430e02e2c8d37e /archivist | |
parent | b00b51565e4f3aefd6e86c1c9d9c46f70711887b (diff) | |
download | archivist-247a64165b014960be2d26f9d7a16559b36ac8bf.tar.gz archivist-247a64165b014960be2d26f9d7a16559b36ac8bf.tar.bz2 archivist-247a64165b014960be2d26f9d7a16559b36ac8bf.zip |
Introduce enum fields
Diffstat (limited to '')
-rw-r--r-- | archivist/model.py | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/archivist/model.py b/archivist/model.py index dd4c87e..d1ef6c7 100644 --- a/archivist/model.py +++ b/archivist/model.py @@ -4,6 +4,7 @@ from playhouse.hybrid import * from playhouse.sqlite_ext import SqliteExtDatabase import datetime +from enum import Enum, unique from pkg_resources import resource_filename from .prefixes import query_pseudo_prefix @@ -30,14 +31,42 @@ class BaseModel(Model): class Meta: database = db +class EnumField(Field): + db_field = 'enum' + + def __init__(self, enum_class, *args, **kwargs): + super().__init__(*args, **kwargs) + self.enum_class = enum_class + + def _enum_value(self, value): + return self.enum_class(int(value)) + + def db_value(self, value): + if value is None: + return value + + if isinstance(value, self.enum_class): + return value.value + + # force check of enum value + return self._enum_value(value).value + + def python_value(self, value): + return value if value is None else self._enum_value(value) + @table class Document(BaseModel): + @unique + class Direction(Enum): + IN = 0 + OUT = 1 + content = CompressedField() created = DateField(default=datetime.datetime.now) + inserted = DateTimeField(default=datetime.datetime.now) description = CharField(null=True) - direction = BooleanField(null=True) original_path = CharField(null=True) - inserted = DateTimeField(default=datetime.datetime.now) + direction = EnumField(Direction, null=True) @classmethod def matches(cls, prefix, value): |