37 lines
1.1 KiB
Python
37 lines
1.1 KiB
Python
import py
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def deprecated_call(func, *args, **kwargs):
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""" assert that calling func(*args, **kwargs)
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triggers a DeprecationWarning.
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"""
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oldfilters = py.std.warnings.filters[:]
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onceregistry = py.std.warnings.onceregistry.copy()
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try:
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py.std.warnings.onceregistry.clear()
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py.std.warnings.filterwarnings("error", category=DeprecationWarning)
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try:
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_ = func(*args, **kwargs)
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except DeprecationWarning:
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pass
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else:
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print __warningregistry__
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raise AssertionError("%s not deprecated" % (func,))
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finally:
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py.std.warnings.filters[:] = oldfilters
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py.std.warnings.onceregistry.clear()
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py.std.warnings.onceregistry.update(onceregistry)
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def deprecated_call(func, *args, **kwargs):
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l = []
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oldwarn = py.std.warnings.warn_explicit
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def warn_explicit(*args, **kwargs):
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l.append(args)
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oldwarn(*args, **kwargs)
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py.magic.patch(py.std.warnings, 'warn_explicit', warn_explicit)
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try:
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_ = func(*args, **kwargs)
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finally:
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py.magic.revert(py.std.warnings, 'warn_explicit')
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assert l
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