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utils/misc: remove enum_metaclass

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It is unused and has been obsoleted by enum type in utils/types.
This commit is contained in:
Sergei Trofimov 2017-08-09 15:32:26 +01:00
parent a9959550af
commit 3f87f3ab07
1 changed files with 0 additions and 44 deletions
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44
wa/utils/misc.py
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@ -235,50 +235,6 @@ def get_pager():
return pager return pager
def enum_metaclass(enum_param, return_name=False, start=0):
"""
Returns a ``type`` subclass that may be used as a metaclass for
an enum.
Paremeters:
:enum_param: the name of class attribute that defines enum values.
The metaclass will add a class attribute for each value in
``enum_param``. The value of the attribute depends on the type
of ``enum_param`` and on the values of ``return_name``. If
``return_name`` is ``True``, then the value of the new attribute is
the name of that attribute; otherwise, if ``enum_param`` is a ``list``
or a ``tuple``, the value will be the index of that param in
``enum_param``, optionally offset by ``start``, otherwise, it will
be assumed that ``enum_param`` implementa a dict-like inteface and
the value will be ``enum_param[attr_name]``.
:return_name: If ``True``, the enum values will the names of enum attributes. If
``False``, the default, the values will depend on the type of
``enum_param`` (see above).
:start: If ``enum_param`` is a list or a tuple, and ``return_name`` is ``False``,
this specifies an "offset" that will be added to the index of the attribute
within ``enum_param`` to form the value.
"""
class __EnumMeta(type):
def __new__(mcs, clsname, bases, attrs):
cls = type.__new__(mcs, clsname, bases, attrs)
values = getattr(cls, enum_param, [])
if return_name:
for name in values:
setattr(cls, name, name)
else:
if isinstance(values, list) or isinstance(values, tuple):
for i, name in enumerate(values):
setattr(cls, name, i + start)
else: # assume dict-like
for name in values:
setattr(cls, name, values[name])
return cls
return __EnumMeta
_bash_color_regex = re.compile('\x1b\[[0-9;]+m') _bash_color_regex = re.compile('\x1b\[[0-9;]+m')