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* bpo-43466: Add --with-openssl-rpath configure option (GH-24820)Christian Heimes2021-03-191-0/+1
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* bpo-41561: Add workaround for Ubuntu's custom security level (GH-24915)Christian Heimes2021-03-181-0/+1
| | | | | | | | | | Ubuntu 20.04 comes with a patched OpenSSL 1.1.1. Default security level 2 blocks TLS 1.0 and 1.1 connections. Regular OpenSSL 1.1.1 builds allow TLS 1.0 and 1.1 on security level 2. See: See: https://bugs.launchpad.net/ubuntu/+source/openssl/+bug/1899878 See: https://bugs.launchpad.net/ubuntu/+source/openssl/+bug/1917625 Signed-off-by: Christian Heimes <christian@python.org>
* bpo-43521: Allow ast.unparse with empty sets and NaN (GH-24897)Kodi Arfer2021-03-181-0/+1
| | | Automerge-Triggered-By: GH:pablogsal
* bpo-43244: Remove the PyAST_Validate() function (GH-24911)Victor Stinner2021-03-181-0/+3
| | | | | | | | | | | | Remove the PyAST_Validate() function. It is no longer possible to build a AST object (mod_ty type) with the public C API. The function was already excluded from the limited C API (PEP 384). Rename PyAST_Validate() function to _PyAST_Validate(), move it to the internal C API, and don't export it anymore (replace PyAPI_FUNC with extern). The function was added in bpo-12575 by the commit 832bfe2ebd5ecfa92031cd40c8b41835ba90487f.
* bpo-43541: Fix PyEval_EvalCodeEx() regression (GH-24918)Victor Stinner2021-03-181-0/+2
| | | | | | | | | | | * Remove an assertion which required CO_NEWLOCALS and CO_OPTIMIZED code flags. It is ok to call this function on a code with these flags set. * Fix reference counting on builtins: remove Py_DECREF(). Fix regression introduced in the commit 46496f9d12582bf11f4911ad0f23315d6f277907. Add also a comment to document that _PyEval_BuiltinsFromGlobals() returns a borrowed reference.
* bpo-39342: Expose X509_V_FLAG_ALLOW_PROXY_CERTS in ssl module (GH-18011)Chris Burr2021-03-181-0/+4
| | | Exposes the `X509_V_FLAG_ALLOW_PROXY_CERTS` constant as `ssl.VERIFY_ALLOW_PROXY_CERTS` to allow for proxy certificate validation as described in: https://www.openssl.org/docs/man1.1.1/man7/proxy-certificates.html
* bpo-35883: Py_DecodeLocale() escapes invalid Unicode characters (GH-24843)Victor Stinner2021-03-171-0/+4
| | | | | | | | | | Python no longer fails at startup with a fatal error if a command line argument contains an invalid Unicode character. The Py_DecodeLocale() function now escapes byte sequences which would be decoded as Unicode characters outside the [U+0000; U+10ffff] range. Use MAX_UNICODE constant in unicodeobject.c.
* bpo-43497: Emit SyntaxWarnings for assertions with tuple constants. (GH-24867)tsukasa-au2021-03-161-0/+1
| | | | | | | | | | | | | | | | | | | * bpo-43497: Emit SyntaxWarnings for assertions with tuple constants. Add a test that shows that a tuple constant (a tuple, where all of its members are also compile-time constants) produces a SyntaxWarning. Then fix this failure. * Make SyntaxWarnings also work when "optimized". * Split tests for SyntaxWarning to SyntaxError conversion SyntaxWarnings emitted by the compiler when configured to be errors are actually raised as SyntaxError exceptions. Move these tests into their own method and add a test to ensure they are raised. Previously we only tested that they were not raised for a "valid" assertion statement.
* bpo-41361: Optimized argument parsing for deque_rotate (GH-24796)Dennis Sweeney2021-03-161-0/+1
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* bpo-41933: Clarify wording for s * n in Common Sequence Operations (GH-22570)Chavdar Yotov2021-03-151-0/+1
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* bpo-43285 Make ftplib not trust the PASV response. (GH-24838)Gregory P. Smith2021-03-151-0/+8
| | | | | | | | | | | | | | | bpo-43285: Make ftplib not trust the PASV response. The IPv4 address value returned from the server in response to the PASV command should not be trusted. This prevents a malicious FTP server from using the response to probe IPv4 address and port combinations on the client network. Instead of using the returned address, we use the IP address we're already connected to. This is the strategy other ftp clients adopted, and matches the only strategy available for the modern IPv6 EPSV command where the server response must return a port number and nothing else. For the rare user who _wants_ this ugly behavior, set a `trust_server_pasv_ipv4_address` attribute on your `ftplib.FTP` instance to True.
* bpo-43199: Briefly explain why no goto (GH-24852)Terry Jan Reedy2021-03-141-0/+1
| | | | Answer "Why is there no goto?" in the Design and History FAQ.
* bpo-29982: Add "ignore_cleanup_errors" param to ↵CAM Gerlach2021-03-141-0/+3
| | | | tempfile.TemporaryDirectory() (GH-24793)
* bpo-39316: Make sure that attribute accesses and stores, including method ↵Mark Shannon2021-03-141-0/+3
| | | | calls, conform to PEP 626. (GH-24859)
* bpo-43410: Fix crash in the parser when producing syntax errors when reading ↵Pablo Galindo2021-03-141-0/+2
| | | | from stdin (GH-24763)
* bpo-43245: Add keyword argument support to ChainMap.new_child() (GH-24788)Kamil Turek2021-03-141-0/+1
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* bpo-43428: Sync with importlib_metadata 3.7. (GH-24782)Jason R. Coombs2021-03-131-0/+17
| | | | | | | * bpo-43428: Sync with importlib_metadata 3.7.2 (67234b6) * Add blurb * Reformat blurb to create separate paragraphs for each change included.
* bpo-27820: Fix AUTH LOGIN logic in smtplib.SMTP (GH-24118)Pandu E POLUAN2021-03-121-0/+8
| | | | | | * Fix auth_login logic (bpo-27820) * Also fix a longstanding bug in the SimSMTPChannel.found_terminator() method that causes inability to test SMTP AUTH with initial_response_ok=False.
* bpo-43356: Allow passing a signal number to interrupt_main() (GH-24755)Antoine Pitrou2021-03-111-0/+1
| | | | Also introduce a new C API ``PyErr_SetInterruptEx(int signum)``.
* bpo-43423 Fix IndexError in subprocess _communicate function (GH-24777)Chris Griffith2021-03-111-0/+2
| | | | | Check to make sure stdout and stderr are not empty before selecting an item from them in Windows subprocess._communicate. Co-authored-by: Gregory P. Smith <greg@krypto.org>
* bpo-43287: Use PEP 590 vectorcall to speed up filter() (GH-24611)Dong-hee Na2021-03-101-0/+2
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* bpo-43445: Add frozen modules to sys.stdlib_module_names (GH-24798)Victor Stinner2021-03-101-0/+2
| | | | | | Add frozen modules to sys.stdlib_module_names. For example, add "_frozen_importlib" and "_frozen_importlib_external" names. Add "list_frozen" command to Programs/_testembed.
* bpo-43439: Add audit hooks for gc functions (GH-24794)Pablo Galindo2021-03-101-0/+2
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* bpo-43440 : Enable SQLite R*Tree support for windows builds (GH-24797)Erlend Egeberg Aasland2021-03-091-0/+2
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* bpo-14678: Update zipimport to support importlib.invalidate_caches() (GH-24159)Desmond Cheong2021-03-081-0/+3
| | | Added an invalidate_caches() method to the zipimport.zipimporter class based on the implementation of importlib.FileFinder.invalidate_caches(). This was done by adding a get_files() method and an _archive_mtime attribute to zipimport.zipimporter to check for updates or cache invalidation whenever the cache of files and toc entry information in the zipimporter is accessed.
* bpo-43332: Buffer proxy connection setup packets before sending. (GH-24780)Gregory P. Smith2021-03-081-0/+3
| | | | | | We now buffer the CONNECT request + tunnel HTTP headers into a single send call. This prevents the OS from generating multiple network packets for connection setup when not necessary, improving efficiency.
* bpo-43372: Use _freeze_importlib for regen-frozen. (GH-24759)Neil Schemenauer2021-03-061-0/+5
| | | | | | | This approach ensures the code matches the interpreter version. Previously, PYTHON_FOR_REGEN was used to generate the code, which might be wrong. The marshal format for code objects has changed with bpo-42246, commit 877df851. Update the code and the expected code sizes in ctypes test_frozentable.
* bpo-43407: Clarify comparisons of time.monotonic() et al results (GH-24757)Alex Willmer2021-03-061-0/+4
| | | | Previous wording implied that only the result of call N and N+1 could be meaningfully compared, whereas comparing call N and N+M is fine.
* bpo-43406: Fix possible race condition where ``PyErr_CheckSignals`` tries to ↵Antoine Pitrou2021-03-051-0/+2
| | | | | | execute a non-Python signal handler (GH-24756) We can receive signals (at the C level, in `trip_signal()` in signalmodule.c) while `signal.signal` is being called to modify the corresponding handler. Later when `PyErr_CheckSignals()` is called to handle the given signal, the handler may be a non-callable object and would raise a cryptic asynchronous exception.
* bpo-43390: Set SA_ONSTACK in PyOS_setsig (GH-24730)Gregory P. Smith2021-03-051-0/+6
| | | | | | | | This is friendlier to other in-process code that an extension module or embedding use could pull in such as CGo where tiny stacks are the norm and sigaltstack() has been used to provide for signal handlers. Without this, signals received by a process using tiny stacks may lead to stack overflow crashes.
* bpo-42129: Add support for resources in namespaces (GH-24670)Jason R. Coombs2021-03-041-0/+3
| | | | | * Unify behavior in ResourceReaderDefaultsTests and align with the behavior found in importlib_resources. * Equip NamespaceLoader with a NamespaceReader. * Apply changes from importlib_resources 5.0.4
* Revert "bpo-42405: fix C extensions build on Windows ARM64 (GH-23399)" (#24753)Jason R. Coombs2021-03-041-1/+0
| | | This reverts commit cb7bc7640935f6b05e9d2acfe4b33d496e8f8666.
* bpo-42405: fix C extensions build on Windows ARM64 (GH-23399)Adrian Vladu2021-03-041-0/+1
| | | | | | | | | | | | | | | | | | | | | | | The following changes are required: * add a new platform win-arm64 * replace the emulated compiler executable paths * bump the linker base addressed as ARM64 requires more memory this change might not be needed (investigation required) On Windows 10 ARM64, VS compiler paths look like this: C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\bin\HostX86\ARM64\cl.exe Note that the cl.exe for ARM64 is an x32 binary, which can run emulated on Windows 10 ARM64 (it has builtin emulation for x32). The rc.exe and mc.exe paths have to also be changed, as the initial discovery has to be fixed. Work in progress to remove the hardcoded bits and to change the path query fixes to the proper location. Automerge-Triggered-By: GH:jaraco
* bpo-43369: sqlite3_column_{text,blob} failures now raise MemoryError (GH-24723)Erlend Egeberg Aasland2021-03-041-0/+3
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* bpo-42128: Add __match_args__ to structseq-based classes (GH-24732)Pablo Galindo2021-03-041-0/+2
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* bpo-40701: tempfile mixes str and bytes in an inconsistent manner (GH-20442)Eric L2021-03-031-0/+6
| | | | | | | | | | | The case of tempfile.tempdir variable being bytes is now handled consistently. The getters return the right type and no more error of mixing str and bytes unless explicitly caused by the user. Adds a regression test. Expands the documentation to clarify the behavior. Co-authored-by: Eric L <ewl+git@lavar.de> Co-authored-by: Gregory P. Smith <greg@krypto.org>
* bpo-43295: Fix error handling of datetime.strptime format string '%z' (GH-24627)Noor Michael2021-03-031-0/+2
| | | | | | | | | | | | | Previously, `datetime.strptime` would match `'z'` with the format string `'%z'` (for UTC offsets), throwing an `IndexError` by erroneously trying to parse `'z'` as a timestamp. As a special case, `'%z'` matches the string `'Z'` which is equivalent to the offset `'+00:00'`, however this behavior is not defined for lowercase `'z'`. This change ensures a `ValueError` is thrown when encountering the original example, as follows: ``` >>> from datetime import datetime >>> datetime.strptime('z', '%z') ValueError: time data 'z' does not match format '%z' ``` Automerge-Triggered-By: GH:pganssle
* bpo-43368: Fix fetching empty bytes in sqlite3 (GH-24706)Mariusz Felisiak2021-03-031-0/+2
| | | Regression introduced in 47feb1feb28631b6647699b7633109aa85340966.
* bpo-42994: Add MIME types for opus, AAC, 3gpp and 3gpp2 (#24287)Nathan Beals2021-03-031-0/+1
| | | Co-authored-by: Nathan Beals <ndbeals@users.noreply.github.com>
* bpo-42782: Fail fast for permission errors in shutil.move() (GH-24001)Winson Luk2021-03-021-0/+2
| | | | | * Fail fast in shutil.move() to avoid creating destination directories on failure. Co-authored-by: Zackery Spytz <zspytz@gmail.com>
* bpo-41282: distutils: Fix stacklevel for DeprecationWarning (GH-24657)Inada Naoki2021-03-021-0/+2
| | | DeprecationWarning is emit for `import distutils`, not for `distutils` itself.
* Python 3.10.0a6Pablo Galindo2021-03-0152-119/+538
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* bpo-41837: Update macOS installer build to use OpenSSL 1.1.1j. (GH-24677)Ned Deily2021-03-011-0/+1
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* bpo-42603: Add whatsnew and ACKS entries. (GH-24675)Ned Deily2021-03-011-0/+1
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* bpo-42603: Use pkg-config to get TCL/TK paths for tkinter. (GH-23721)Manolis Stamatogiannakis2021-03-011-0/+7
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* bpo-29753: fix merging packed bitfields in ctypes struct/union (GH-19850)Filipe Laíns2021-02-281-0/+1
| | | | | | | | | | From the commit message: > When the structure is packed we should always expand when needed, > otherwise we will add some padding between the fields. This patch makes > sure we always merge bitfields together. It also changes the field merging > algorithm so that it handles bitfields correctly. Automerge-Triggered-By: GH:jaraco
* bpo-41972: Use the two-way algorithm for string searching (GH-22904)Dennis Sweeney2021-02-281-0/+1
| | | | | Implement an enhanced variant of Crochemore and Perrin's Two-Way string searching algorithm, which reduces worst-case time from quadratic (the product of the string and pattern lengths) to linear. This applies to forward searches (like``find``, ``index``, ``replace``); the algorithm for reverse searches (like ``rfind``) is not changed. Co-authored-by: Tim Peters <tim.peters@gmail.com>
* bpo-43251: sqlite3_column_name() failures now raise MemoryError (GH-24609)Erlend Egeberg Aasland2021-02-281-0/+2
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* bpo-43321: Fix SystemError in getargs.c (GH-24656)Inada Naoki2021-02-271-0/+2
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* bpo-42128: Structural Pattern Matching (PEP 634) (GH-22917)Brandt Bucher2021-02-261-0/+1
| | | | | Co-authored-by: Guido van Rossum <guido@python.org> Co-authored-by: Talin <viridia@gmail.com> Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
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