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23 """Module of functions for cleaning up after the tests."""
24
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26 from shutil import rmtree
27 from time import sleep
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30 from lib.io import delete
31
32
33 -def deletion(obj=None, name=None, dir=False):
34 """Cleanly removing files and directories, handling WindowsErrors.
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36 The problem of MS Windows not releasing the file handle on a close() call is handled. This method should be resilient to the strange MS Windows behaviour of not releasing the relax state files. It should complete even when this WindowsError occurs. A delay of 3 seconds has been added when the WindowsError occurs to give the OS some time before attempting to delete the directory or file again. If this fails the deletion operation is skipped.
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38
39 @keyword obj: The base object containing the file or directory name variable.
40 @type obj: Python object
41 @keyword name: The name of the file or directory name variable.
42 @type name: str
43 @keyword dir: A flag which if True indicates that a directory should be removed. Otherwise a file should be deleted.
44 """
45
46
47 if not hasattr(obj, name):
48 return
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51 var = getattr(obj, name)
52
53
54 try:
55 if dir:
56 rmtree(var)
57 else:
58 delete(var, fail=False)
59 del var
60
61
62 except OSError:
63 pass
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65
66 except:
67 sleep(3)
68 try:
69 if dir:
70 rmtree(var)
71 else:
72 delete(var, fail=False)
73
74
75 except:
76 pass
77
78 finally:
79 del var
80 pass
81