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83 lines
1.6 KiB
Python
83 lines
1.6 KiB
Python
from futile.basictypes import basestring, BASE_STR
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from futile.logging import LoggerMixin
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Base = LoggerMixin
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class NOT_SET(object):
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__slots__ = ()
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def __bool__(self):
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return False
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__nonzero__ = __bool__
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def __str__(self):
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return ""
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NOT_SET = NOT_SET()
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DEFAULT_ENCODING = "utf-8"
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DEFAULT_CHUNK_SIZE = 128 * 1024
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THREADSAFE = True
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def noop(*args, **kw):
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pass
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def not_implemented(*args, **kw):
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raise NotImplementedError()
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def tostr(o):
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if isinstance(o, basestring):
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return o
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return BASE_STR(o)
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if basestring == str:
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uc = tostr
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encstr = not_implemented
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else:
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def uc(s):
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if isinstance(s, unicode):
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return s
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if isinstance(s, basestring):
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return s.decode(DEFAULT_ENCODING)
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return unicode(s)
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def encstr(s):
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if isinstance(s, str):
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return s
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if not isinstance(s, unicode):
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s = unicode(s)
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return s.encode(DEFAULT_ENCODING)
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def identity(x):
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return x
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_isc = issubclass
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def issubclass(o, classes):
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"A safer version of __builtin__.issubclass that does not raise TypeError when called with a non-type object"
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return isinstance(o, type) and _isc(o, classes)
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try:
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callable
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except NameError:
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def callable(x):
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return hasattr(x, "__call__")
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class ObjectProxy(object):
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__slots__ = ("_o")
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def __init__(self, proxyobject, *args, **kw):
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super(ObjectProxy, self).__init__(*args, **kw)
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self._o = proxyobject
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def __getattr__(self, k):
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return getattr(self._o, k)
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