class CustomFlowType(types.CustomType):
version = '1.1.0'
supported_versions = [(1, 0, 0), versioning.AsdfSpec('>=1.1.0')]
name = 'custom_flow'
organization = 'nowhere.org'
standard = 'custom'
types = [CustomFlow]
@classmethod
def from_tree(cls, tree, ctx):
# Convert old schema to new CustomFlow type
if cls.version == '1.0.0':
return CustomFlow(c=tree['a'], d=tree['b'])
else:
return CustomFlow(**tree)
@classmethod
def to_tree(cls, data, ctx):
if cls.version == '1.0.0':
return dict(a=data.c, b=data.d)
else:
return dict(c=data.c, d=data.d)
class TestType5(asdftypes.CustomType):
supported_versions = \
[versioning.AsdfSpec('<1.0.0'), versioning.AsdfSpec('>=2.0.0')]
class TestType3(asdftypes.CustomType):
# This doesn't make much sense, but it's just for the sake of example
supported_versions = ['1.0.0', versioning.AsdfSpec('>=2.0.0')]
class TestType0(asdftypes.CustomType):
supported_versions = versioning.AsdfSpec('>=1.2.0')
