79 lines
2.0 KiB
Python
79 lines
2.0 KiB
Python
import inspect
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import functools
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import sys
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import warnings
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from eventlet.support import greenlets
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_MISSING = object()
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def get_errno(exc):
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""" Get the error code out of socket.error objects.
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socket.error in <2.5 does not have errno attribute
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socket.error in 3.x does not allow indexing access
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e.args[0] works for all.
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There are cases when args[0] is not errno.
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i.e. http://bugs.python.org/issue6471
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Maybe there are cases when errno is set, but it is not the first argument?
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"""
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try:
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if exc.errno is not None:
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return exc.errno
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except AttributeError:
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pass
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try:
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return exc.args[0]
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except IndexError:
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return None
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if sys.version_info[0] < 3 and not greenlets.preserves_excinfo:
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from sys import exc_clear as clear_sys_exc_info
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else:
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def clear_sys_exc_info():
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"""No-op In py3k.
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Exception information is not visible outside of except statements.
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sys.exc_clear became obsolete and removed."""
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pass
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if sys.version_info[0] < 3:
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def bytes_to_str(b, encoding='ascii'):
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return b
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else:
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def bytes_to_str(b, encoding='ascii'):
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return b.decode(encoding)
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PY33 = sys.version_info[:2] == (3, 3)
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def wrap_deprecated(old, new):
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def _resolve(s):
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return 'eventlet.'+s if '.' not in s else s
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msg = '''\
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{old} is deprecated and will be removed in next version. Use {new} instead.
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Autoupgrade: fgrep -rl '{old}' . |xargs -t sed --in-place='' -e 's/{old}/{new}/'
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'''.format(old=_resolve(old), new=_resolve(new))
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def wrapper(base):
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klass = None
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if inspect.isclass(base):
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class klass(base):
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pass
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klass.__name__ = base.__name__
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klass.__module__ = base.__module__
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@functools.wraps(base)
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def wrapped(*a, **kw):
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warnings.warn(msg, DeprecationWarning, stacklevel=5)
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return base(*a, **kw)
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if klass is not None:
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klass.__init__ = wrapped
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return klass
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return wrapped
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return wrapper
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