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import sys
import warnings
class PyStdIsDeprecatedWarning(DeprecationWarning):
pass
class Std(object):
""" makes top-level python modules available as an attribute,
importing them on first access.
"""
def __init__(self):
self.__dict__ = sys.modules
def __getattr__(self, name):
warnings.warn("py.std is deprecated, please import %s directly" % name,
category=PyStdIsDeprecatedWarning,
stacklevel=2)
try:
m = __import__(name)
except ImportError:
raise AttributeError("py.std: could not import %s" % name)
return m
std = Std()
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