Pablo Galindo [Thu, 3 Jun 2021 21:22:28 +0000 (22:22 +0100)]
[3.10] bpo-44273: Improve syntax error message for assigning to "..." (GH-26477) (GH-26478)
Use "ellipsis" instead of "Ellipsis" in syntax error messages to eliminate confusion with built-in variable Ellipsis.
(cherry picked from commit 39dd141)
bpo-11105: Do not crash when compiling recursive ASTs (GH-20594)
When compiling an AST object with a direct / indirect reference
cycles, on the conversion phase because of exceeding amount of
calls, a segfault was raised. This patch adds recursion guards to
places for preventing user inputs to not to crash AST but instead
raise a RecursionError.
(cherry picked from commit f3491242e41933aa9529add7102edb68b80a25e9)
bpo-43921: Fix test_ssl.test_wrong_cert_tls13() on Windows (GH-26502) (GH-26518)
Fix test_ssl.test_wrong_cert_tls13(): use suppress_ragged_eofs=False,
since read() can raise ssl.SSLEOFError on Windows.
(cherry picked from commit ea0210fa8ccca769896847f25fc6fadfe9a717bc)
Co-authored-by: Victor Stinner <vstinner@python.org>
Allocate and track statement objects in pysqlite_statement_create.
By allocating and tracking creation of statement object in
pysqlite_statement_create(), the caller does not need to worry about GC
syncronization, and eliminates the possibility of getting a badly
created object. All related fault handling is moved to
pysqlite_statement_create().
bpo-44285: getpath.c: Assert that env_file is NULL during an error check (GH-26486)
This was flagged by a static analyzer, but the logic of why this is NULL on error is hard to follow for humans as well.
(cherry picked from commit bdb56902a3bfe12b10f85a941d5dd0eae739f1a8)
Fix test_pha_required_nocert() of test_ssl: catch two more EOF cases
(when the recv() method returns an empty string).
(cherry picked from commit 320eaa7f42b413cd5e5436ec92d4dc5ba150395f)
Co-authored-by: Victor Stinner <vstinner@python.org>
bpo-44263: Fix _decimal and _testcapi GC protocol (GH-26464) (GH-26465)
* _testcapi.heapgctype: implement a traverse function since the type
is defined with Py_TPFLAGS_HAVE_GC.
* _decimal: PyDecSignalDictMixin_Type is no longer defined with
Py_TPFLAGS_HAVE_GC since it has no traverse function.
(cherry picked from commit 142e5c5445c019542246d93fe2f9e195d3131686)
Co-authored-by: Victor Stinner <vstinner@python.org> Co-authored-by: Victor Stinner <vstinner@python.org>
bpo-44254: On Mac, remove disfunctional colors from turtledemo buttons (GH-26448)
On macOS, tk defers to system setting for button background when in normal state.
Give turtledemo button text a color that works on either light or dark background.
(cherry picked from commit af5a324843de395cecc562cb0c757b3768f2077f)
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
[3.10] bpo-44246: Update What's New for importlib.metadata. (GH-26408) (GH-26415)
* [bpo-44246](): Update What's New for importlib.metadata.
Bump version of importlib_metadata included.
Add note about compatibility notice and fix link to entry_points documentation.
Add note about removal of access by index on Distribution.entry_points.
* Fix syntax mistake in issue reference.
Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>
* Fix broken reference in entry-points.
[3.10] bpo-38908: [docs] Add changes to 3.10 whatsnew and fix some minor inaccuracies in news (GH-26096) (GH-26337)
The fix only applies to ``isinstance``. ``issubclass`` isn't affected (because it was always working to begin with). So I also fixed the news to reflect that.
(cherry picked from commit 8450e8a81f6d54f45e1fc5c13a03878c9978750d)
Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>
Fix a regression in type() when a metaclass raises an exception. The
C function type_new() must properly report the exception when a
metaclass constructor raises an exception and the winner class is not
the metaclass.
(cherry picked from commit bd199e72fb60a8ff001a023f23925092a290be91)
Co-authored-by: Victor Stinner <vstinner@python.org>
bpo-43795: Remove Py_FrozenMain from the Limited API & Stable ABI (GH-26241) (GH-26353)
Py_FrozenMain was added to the Limited C API in [bpo-42591]() (3.10.0a4);
but to fix that issue it would be enough to add it to the regular C API.
The function is undocumented, tests were added very recently ([bpo-44131]()),
and most importantly, it is not present in all builds of Python, as
the linker sometimes omits it as unused.
It should be added back when these issues are fixed.
bpo-43109: Fix --with-lto configure option on macOS (GH-26341)
Allow --with-lto configure option to work with Apple-supplied Xcode or
Command Line Tools which do not provide llvm-ar.
(cherry picked from commit 59acfd4a09df1c141dac7845eed008af8970fce7)
A previous commit broke a check in sysconfig when building cpython itself.
This caused builds of the standard library modules to search a wrong
location (the installed location rather than the source directory) for
header files with the net effect that a ``make install``
incorrectly caused all extension modules to be rebuilt again and
with incorrect include file paths.
When building Python, we need two distinct "include" directories:
- source .h files
- install target for .h files
Note that this doesn't matter except when building Python from source.
Historically:
- source .h files were in the distutils scheme under 'include'
- the install directory was in the distutils.command.install scheme
under 'headers'
GH-24549 merged these; sysconfig is now the single source of truth and
distutils is derived from it.
This commit introduces a "secret" scheme path, 'headers', which contains
the install target. It is only present when building Python.
The distutils code uses it if present, and falls back to 'include'.
bpo-44201: Avoid side effects of "invalid_*" rules in the REPL (GH-26298) (GH-26313)
When the parser does a second pass to check for errors, these rules can
have some small side-effects as they may advance the parser more than
the point reached in the first pass. This can cause the tokenizer to ask
for extra tokens in interactive mode causing the tokenizer to show the
prompt instead of failing instantly.
To avoid this, add a new mode to the tokenizer that is activated in the
second pass and deactivates asking for new tokens when the interactive
line is finished. As the parsing should have reached the last line in
the first pass, the second pass should not need to ask for more tokens.
bpo-30757: Improve "How to make stand-alone binaries" FAQ (GH-26309) (GH-26311)
Co-authored-by: denfromufa <denfromufa@users.noreply.github.com> Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>
(cherry picked from commit 2a1e6698b10a7b58c6ac66429de0f51cb739da35)
bpo-44180: Fix edge cases in invalid assigment rules in the parser (GH-26283)
The invalid assignment rules are very delicate since the parser can
easily raise an invalid assignment when a keyword argument is provided.
As they are very deep into the grammar tree, is very difficult to
specify in which contexts these rules can be used and in which don't.
For that, we need to use a different version of the rule that doesn't do
error checking in those situations where we don't want the rule to raise
(keyword arguments and generator expressions).
We also need to check if we are in left-recursive rule, as those can try
to eagerly advance the parser even if the parse will fail at the end of
the expression. Failing to do this allows the parser to start parsing a
call as a tuple and incorrectly identify a keyword argument as an
invalid assignment, before it realizes that it was not a tuple after all.
(cherry picked from commit c878a9796841c1f4726e6dd5ac49a478af4c8504)
Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
Fix compiler warning for misleading guarding in the tkinter (GH-26244) (GH-26251)
The newest gcc emmits this warning:
```
/Modules/_tkinter.c:272:9: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation]
272 | if(tcl_lock)PyThread_acquire_lock(tcl_lock, 1); tcl_tstate = tstate; }
| ^~
/Modules/_tkinter.c:2869:5: note: in expansion of macro ‘LEAVE_PYTHON’
2869 | LEAVE_PYTHON
| ^~~~~~~~~~~~
/Modules/_tkinter.c:243:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
243 | (*(PyThreadState**)Tcl_GetThreadData(&state_key, sizeof(PyThreadState*)))
| ^
/Modules/_tkinter.c:272:57: note: in expansion of macro ‘tcl_tstate’
272 | if(tcl_lock)PyThread_acquire_lock(tcl_lock, 1); tcl_tstate = tstate; }
| ^~~~~~~~~~
/Modules/_tkinter.c:2869:5: note: in expansion of macro ‘LEAVE_PYTHON’
2869 | LEAVE_PYTHON
```
that's because the macro packs together two statements at the same level
as the "if". The warning is misleading but is very noisy so it makes
sense to fix it.
(cherry picked from commit 95d04710c5fb0df5393b5add2c5c2de2412673eb)
Co-authored-by: Pablo Galindo <Pablogsal@gmail.com> Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
bpo-33433 Fix private address checking for IPv4 mapped IPv6. (GH-26172)
For IPv4 mapped IPv6 addresses, defer privacy check to the mapped IPv4 address. Solves bug where public mapped IPv4 addresses are considered private by the IPv6 check.
bpo-43650: Fix MemoryError on zip.read in shutil._unpack_zipfile for large files (GH-25058) (GH-26190)
`shutil.unpack_archive()` tries to read the whole file into memory, making no use of any kind of smaller buffer. Process crashes for really large files: I.e. archive: ~1.7G, unpacked: ~10G. Before the crash it can easily take away all available RAM on smaller systems. Had to pull the code form `zipfile.Zipfile.extractall()` to fix this
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