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  • Committer: Breezy landing bot
  • Author(s): Jelmer Vernooij
  • Date: 2020-02-14 03:16:54 UTC
  • mfrom: (7479.2.3 no-more-python2)
  • Revision ID: breezy.the.bot@gmail.com-20200214031654-bp1xtv2jr9nmhto3
Drop python2 support.

Merged from https://code.launchpad.net/~jelmer/brz/no-more-python2/+merge/378694

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Lines of Context:
breezy/__init__.py
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    The use of intern() may defer breakage is but is not enough, the string
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    object should be secure against module reloading and during teardown.
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    """
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    is_py3 = sys.version_info > (3,)
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    try:
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        import ctypes
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        old_ptr = ctypes.c_void_p.in_dll(ctypes.pythonapi,
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                                         "Py_FileSystemDefaultEncoding")
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        if is_py3:
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            has_enc = ctypes.c_int.in_dll(ctypes.pythonapi,
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                                          "Py_HasFileSystemDefaultEncoding")
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            as_utf8 = ctypes.PYFUNCTYPE(
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                ctypes.POINTER(ctypes.c_char), ctypes.py_object)(
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                    ("PyUnicode_AsUTF8", ctypes.pythonapi))
 
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        has_enc = ctypes.c_int.in_dll(ctypes.pythonapi,
 
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                                      "Py_HasFileSystemDefaultEncoding")
 
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        as_utf8 = ctypes.PYFUNCTYPE(
 
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            ctypes.POINTER(ctypes.c_char), ctypes.py_object)(
 
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                ("PyUnicode_AsUTF8", ctypes.pythonapi))
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    except (ImportError, ValueError):
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        return  # No ctypes or not CPython implementation, do nothing
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    if is_py3:
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        new_enc = sys.intern(new_enc)
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        enc_ptr = as_utf8(new_enc)
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        has_enc.value = 1
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    else:
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        new_enc = intern(new_enc)
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        enc_ptr = ctypes.c_char_p(new_enc)
 
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    new_enc = sys.intern(new_enc)
 
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    enc_ptr = as_utf8(new_enc)
 
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    has_enc.value = 1
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    old_ptr.value = ctypes.cast(enc_ptr, ctypes.c_void_p).value
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    if sys.getfilesystemencoding() != new_enc:
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        raise RuntimeError("Failed to change the filesystem default encoding")