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annotate test/pytest_patcher.py @ 5418:55f09ca366c4

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Python 3 preparation: StringIO. This generally arranges for StringIO and cStringIO references to use io.StringIO for Python 3 but io.BytesIO for Python 2, consistent with the string representations generally used in Roundup. A special FasterStringIO in the TAL code, which referenced internals of the old Python 2 StringIO module, is cut down so it doesn't actually do anything beyond the StringIO class it inherits from (it would also be reasonable to remove FasterStringIO completely). One place in roundup_server.py clearly needing binary I/O is made to use io.BytesIO unconditionally.
author Joseph Myers <jsm@polyomino.org.uk>
date Wed, 25 Jul 2018 09:08:29 +0000
parents 1c94afabb2cb
children
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1 """
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2 The following code was taken from:
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3
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4 https://github.com/pytest-dev/pytest/issues/568#issuecomment-216569420
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5
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6 to resolve a bug with using pytest.mark.skip(). Once the bug is resolved in
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7 pytest this file can be removed along with all the wrapper mark_class()
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8 references in the other test files.
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9 """
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10 import types
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11
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12
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13 def mark_class(marker):
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14 '''Workaround for https://github.com/pytest-dev/pytest/issues/568'''
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15 def copy_func(f):
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16 try:
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17 return types.FunctionType(f.__code__, f.__globals__,
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18 name=f.__name__, argdefs=f.__defaults__,
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19 closure=f.__closure__)
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20 except AttributeError:
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21 return types.FunctionType(f.func_code, f.func_globals,
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22 name=f.func_name,
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23 argdefs=f.func_defaults,
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24 closure=f.func_closure)
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25
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26 def mark(cls):
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27 if isinstance(cls, types.FunctionType):
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28 return marker(copy_func(cls))
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29
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30 for method in dir(cls):
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31 if method.startswith('test'):
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32 f = copy_func(getattr(cls, method))
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33 setattr(cls, method, marker(f))
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34 return cls
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35 return mark
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