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registry.py
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Thu, Aug 8, 11:27
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text/x-python
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R3600 invenio-infoscience
registry.py
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# -*- coding: utf-8 -*-
##
## This file is part of Invenio.
## Copyright (C) 2012, 2013, 2014 CERN.
##
## Invenio is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License as
## published by the Free Software Foundation; either version 2 of the
## License, or (at your option) any later version.
##
## Invenio is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
import
inspect
from
invenio.ext.registry
import
DictModuleAutoDiscoverySubRegistry
from
flask.ext.registry
import
RegistryError
,
RegistryProxy
class
WorkflowsRegistry
(
DictModuleAutoDiscoverySubRegistry
):
def
keygetter
(
self
,
key
,
class_
):
return
class_
.
__name__
if
key
is
None
else
key
def
valuegetter
(
self
,
class_or_module
):
if
inspect
.
ismodule
(
class_or_module
):
attr_name
=
class_or_module
.
__name__
.
split
(
'.'
)[
-
1
]
if
attr_name
==
'__init__'
:
# Ignore __init__ modules.
return
None
if
hasattr
(
class_or_module
,
attr_name
):
#key = attr_name if key is None else key
return
getattr
(
class_or_module
,
attr_name
)
else
:
all_
=
getattr
(
class_or_module
,
'__all__'
,
[])
if
len
(
all_
)
==
0
:
raise
RegistryError
(
"Workflow class not found. Class name must match "
"module name or be first element in __all__."
)
return
getattr
(
class_or_module
,
all_
[
0
])
return
class_or_module
workflows
=
RegistryProxy
(
'workflows'
,
WorkflowsRegistry
,
'workflows'
)
actions
=
RegistryProxy
(
'workflows.actions'
,
WorkflowsRegistry
,
'actions'
)
__all__
=
[
'actions'
,
'workflows'
]
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