36    * ``tag_attribute`` shortcut for tag_subject_of

    36    * ``tag_attribute`` shortcut for tag_subject_of

    37 """

    37 """

    38 

    38 

    39 

    39 

    40 import logging

    40 import logging

    42 

    41 

    43 from six import string_types

    42 from six import string_types

    44 

    43 

    45 from logilab.common.logging_ext import set_log_methods

    44 from logilab.common.logging_ext import set_log_methods

    46 from logilab.common.registry import RegistrableInstance, yes

    45 from logilab.common.registry import RegistrableInstance, yes

    47 

    46 

    48 def _ensure_str_key(key):

    48 def _ensure_str_key(key):

    49     return tuple(str(k) for k in key)

    49     return tuple(str(k) for k in key)

    50 

    51 

    51 class RegistrableRtags(RegistrableInstance):

    52 class RegistrableRtags(RegistrableInstance):

    52     __registry__ = 'uicfg'

    53     __registry__ = 'uicfg'

    53     __select__ = yes()

    54     __select__ = yes()

    54 

    55