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Issue #6215: backport the 3.1 io lib

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This commit is contained in:
Antoine Pitrou 2009-06-12 20:14:08 +00:00
parent 55bd1efb2a
commit 1969059327
21 changed files with 11865 additions and 3018 deletions
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17
Lib/test/test_support.py
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@ -29,7 +29,7 @@ __all__ = ["Error", "TestFailed", "ResourceDenied", "import_module",
"run_with_locale", "set_memlimit", "bigmemtest", "bigaddrspacetest",
"BasicTestRunner", "run_unittest", "run_doctest", "threading_setup",
"threading_cleanup", "reap_children", "cpython_only",
"check_impl_detail", "get_attribute"]
"check_impl_detail", "get_attribute", "py3k_bytes"]
class Error(Exception):
"""Base class for regression test exceptions."""
@ -968,3 +968,18 @@ def reap_children():
break
except:
break
def py3k_bytes(b):
"""Emulate the py3k bytes() constructor.
NOTE: This is only a best effort function.
"""
try:
# memoryview?
return b.tobytes()
except AttributeError:
try:
# iterable of ints?
return b"".join(chr(x) for x in b)
except TypeError:
return bytes(b)