bpo-35193: Fix an off by one error in the RETURN_VALUE case. (GH-10418)
Fix an off by one error in the peephole optimizer when checking for unreachable code beyond a return.
Do a bounds check within find_op so it can return before going past the end as a safety measure.
https://github.com/python/cpython/commit/7db3c488335168993689ddae5914a28e16188447GH-diff-a33329ae6ae0bb295d742f0caf93c137
introduced this off by one error while fixing another one nearby.
This bug was shipped in all Python 3.6 and 3.7 releases.
Fix the construction of subprocess.CalledProcessError in test_venv (GH-10400)
The constructor of subprocess.CalledProcessError in the check_output function had an extra None in it.
(cherry picked from commit b93925047a025511c48a7bf3e6e6f0cfec79b8ed)
Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
bpo-32409: Fix regression in activate.bat on international Windows (GH-10295) (GH-10377)
Handle Unicode contents on localised Windows systems when activating a
venv. activate.bat currently breaks on German Windows systems, as chcp.com does
not return a plain number as on English systems, but (arbitrarily) appends a dot at the end
(for example "Aktive Codepage: 850." instead of "Active Codepage: 850"). The
dependency to chcp.com is removed and ctypes is used to get, set and restore the
console output code page. The code page for console input is not changed.
We can't use __VENV_PYTHON__ to find python.exe, since it's UTF-8. cmd.exe decodes
the script using the console output code page.
(cherry picked from commit c64583b6d3e8516a8cd2b5f84fc1e300bfac2206)
closes bpo-35171: Fix test_TimeRE_recreation_timezone failure on some systems. (GH-10347)
The test depended on '/usr/share/zoneinfo/posixrules' or equivalent
because it set TZ without explicit DST transition rules. At least
on OpenSUSE Tumbleweed that file is linked to '/etc/localtime',
making the test fail with certain local timezones,
such as 'Europe/Moscow' which doesn't have DST transitions since 2011.
(cherry picked from commit f1b9ad3d38c11676b45edcbf2369239bae436e56)
bpo-35099: Improve the doc about IDLE running user code. (GH-10350)
The section is renamed from "IDLE -- console differences". It mostly
covers the implications of using custom sys.stdxxx objects.
(cherry picked from commit 5e7909032491cef17754a3208872655fe350e9be)
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
Some methods in the os module can accept path-like objects. This is documented in the general documentation but not in the function docstrings. To keep both in sync, the docstrings need to be updated to reflect that path-like objects are also accepted..
(cherry picked from commit b942707fc23454a998323c17e30be78ff1a4f0e7)
Include memo in the documented signature of copy.deepcopy()
* Include memo in the documented signature of copy.deepcopy()
The memo argument is mentioned lower on the doc page under writing a
`__deepcopy__` method, but is not included in the documented function signature.
This makes it easy to miss, and can lead to incorrect/buggy implementations of
`__deepcopy__` -- which is exatly what just happpend to me!
(cherry picked from commit 0200928e8df012d408530b06a98119024bc82511)
bpo-26558: Fix Py_FatalError() with GIL released (GH-10267)
Don't call _Py_FatalError_PrintExc() nor flush_std_files() if the
current thread doesn't hold the GIL, or if the current thread
has no Python state thread.
(cherry picked from commit 3a228ab17c2a9cffd1a2f15f30d6209768de20a6)
Co-authored-by: Victor Stinner <vstinner@redhat.com>
_io.IncrementalNewlineDecoder's initializer possibly assigns out-of-range
value to the bitwise struct field.
(cherry picked from commit b08746bfdf64e55ce33516f2065fa2aa4f51be95)
Victor Stinner [Tue, 30 Oct 2018 11:59:20 +0000 (12:59 +0100)]
bpo-34403: Fix initfsencoding() for ASCII (GH-10233)
* Add _Py_GetForceASCII(): check if Python forces the usage of ASCII
in Py_DecodeLocale() and Py_EncodeLocale().
* initfsencoding() now uses ASCII if _Py_GetForceASCII() is true.
bpo-34945: Buffer output in test suite only when creating junit file (GH-10204)
After commit d0f49d2f5085ca68e3dc8725f1fb1c9674bfb5ed, the output of the
test suite is always buffered as the test output needs to be included in
the JUnit file in same cases (as when a test fails). This has the
consequence that printing or using debuggers (like pdb) in the test
suite does not result in a good user experience anymore.
This commit modifies the test suite runner so it only captures the test
output when the JUnit file is requested to fix the regression so prints
and debuggers are usable again.
(cherry picked from commit 02277482ea765335e497ecd9661d4bde9b5ddc67)
Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
bpo-35090: Fix potential division by zero in allocator wrappers (GH-10174)
* Fix potential division by zero in BZ2_Malloc()
* Avoid division by zero in PyLzma_Malloc()
* Avoid division by zero and integer overflow in PyZlib_Malloc()
bpo-35087: Update idlelib help files for the current doc build. (GH-10162)
There is only one trivial change to idle.rst. Nearly all the changes to help.html are the elimination of chapter and section numbers on headers due to changes in the build system. help.py no longer requires header numbering.
(cherry picked from commit db40cb50eb823b8ef9040b1c9bf31a7475d94d39)
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
These functions are implemented with "inline" or "ALWAYS_INLINE", but
declared without inline which cause linker error on Visual Studio in
Debug mode when using /Ob1.
(cherry picked from commit 3b1cba3701fd1321a9bdafa9e683f891369f0cfd)
Co-authored-by: Victor Stinner <vstinner@redhat.com>
bpo-35017, socketserver: don't accept request after shutdown (GH-9952)
Prior to this revision, after the shutdown of a `BaseServer`,
the server accepted a last single request
if it was sent between the server socket polling
and the polling timeout.
This can be problematic for instance for a server restart
for which you do not want to interrupt the service,
by not closing the listening socket during the restart.
One request failed because of this behavior.
.o generated by clang in LTO mode actually are LLVM bitcode files, which
leads to a few errors during configure/build step:
- add lto flags to the BASECFLAGS instead of CFLAGS, as CFLAGS are used
to build autoconf test case, and some are not compatible with clang LTO
(they assume binary in the .o, not bitcode)
- force llvm-ar instead of ar, as ar is not aware of .o files generated
by clang -flto
(cherry picked from commit 5ad36f9b21a3aa3b2265b1b43d73522cc3322df2)
Zsolt Cserna [Tue, 23 Oct 2018 21:57:55 +0000 (23:57 +0200)]
[3.7] bpo-34260, shutil: fix copy2 and copystat documentation (GH-8523) (GH-10065)
Fix the documentation of copy2, as it does not copy file ownership (user and
group), only mode, mtime, atime and flags.
The original text was confusing to developers as it suggested that this
command is the same as 'cp -p', but according to cp(1), '-p' copies file
ownership as well.
Clarify which metadata is copied by shutil.copystat in its docstring.
Fix error handling bugs in _elementtree.c. (GH-10060)
References could leak, NULL could be dereferenced, and the Expat parser could
be double freed when some errors raised.
(cherry picked from commit 9f3ed3e213b30059087d059a7d1d3b2527fa8654)
bpo-34454: Clean up datetime.fromisoformat surrogate handling (GH-8959)
* Use _PyUnicode_Copy in sanitize_isoformat_str
* Use repr in fromisoformat error message
This reverses commit 67b74a98b2 per Serhiy Storchaka's suggestion:
I suggested to use %R in the error message because including the raw
string can be confusing in the case of empty string, or string
containing trailing whitespaces, invisible or unprintable characters.
We agree that it is better to change both the C and pure Python versions
to use repr.
* Retain non-sanitized dtstr for error printing
This does not create an extra string, it just holds on to a reference to
the original input string for purposes of creating the error message.
* PEP 7 fixes to from_isoformat
* Separate handling of Unicode and other errors
In the initial implementation, errors other than encoding errors would
both raise an error indicating an invalid format, which would not be
true for errors like MemoryError.
closes bpo-35025: Properly guard the `CLOCK_GETTIME` et al macros in timemodule.c. (GH-9961)
Guard the `CLOCK_GETTIME` et al macros in `timemodule` based on the availability of the parent functions
(cherry picked from commit 94451182ccd6729c11338926d8a3d11645e86626)
bpo-32890, os: Use errno instead of GetLastError() in execve() and truncate() (GH-5784)
path_error() uses GetLastError() on Windows, but some os functions
are implemented via CRT APIs which report errors via errno.
This may result in raising OSError with invalid error code (such
as zero).
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