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* bpo-38418: Fixes audit event for os.system to be named 'os.system' (GH-16670)Steve Dower2019-10-181-0/+1
| | | | | | | https://bugs.python.org/issue38418 Automerge-Triggered-By: @zooba
* bpo-33604: Raise TypeError on missing hmac arg. (GH-16805)Gregory P. Smith2019-10-181-0/+3
| | | | | | | | | | Also updates the documentation to clarify the situation surrounding the digestmod parameter that is required despite its position in the argument list as of 3.8.0 as well as removing old python2 era references to "binary strings". We indavertently had this raise ValueError in 3.8.0 for the missing arg. This is not considered an API change as no reasonable code would be catching this missing argument error in order to handle it.
* bpo-37587: json: Use _PyUnicodeWriter when scanning string. (GH-15591)Inada Naoki2019-10-171-0/+2
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* bpo-38492: Remove pythonw.exe dependency on the Microsoft C++ runtime (GH-16824)Steve Dower2019-10-161-0/+1
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* bpo-35998: Fix test_asyncio.test_start_tls_server_1() (GH-16815)Victor Stinner2019-10-161-0/+5
| | | | | | | | | | main() is now responsible to send the ANSWER, rather than ServerProto. main() now waits until it got the HELLO before sending the ANSWER over the new transport. Previously, there was a race condition between main() replacing the protocol and the protocol sending the ANSWER once it gets the HELLO. TLSv1.3 was disabled for the test: reenable it.
* bpo-38468 : Refactor python-config (#16749)Joannah Nanjekye2019-10-152-5/+7
| | | | | | | | | | | | | | | | | | | | * refactor python-config * 📜🤖 Added by blurb_it. * Update Misc/NEWS.d/next/Build/2019-10-13-16-18-24.bpo-38468.buCO84.rst Co-Authored-By: Pablo Galindo <Pablogsal@gmail.com> * Use getvar for pyver * Update news entry with affected file. * Update Misc/NEWS.d/next/Build/2019-10-13-16-18-24.bpo-38468.buCO84.rst Co-Authored-By: Victor Stinner <vstinner@python.org> * Update 2019-10-13-16-18-24.bpo-38468.buCO84.rst
* bpo-37961, tracemalloc: add Traceback.total_nframe (GH-15545)Julien Danjou2019-10-151-0/+2
| | | | Add a total_nframe field to the traces collected by the tracemalloc module. This field indicates the original number of frames before it was truncated.
* bpo-38478: Correctly handle keyword argument with same name as ↵Pablo Galindo2019-10-151-0/+3
| | | | positional-only parameter (GH-16800)
* bpo-38470: Fix test_compileall.test_compile_dir_maxlevels() (GH-16789)Victor Stinner2019-10-151-0/+3
| | | | | | | | | Fix test_compile_dir_maxlevels() on Windows without long path support: only create 3 subdirectories instead of between 20 and 100 subdirectories. Fix also compile_dir() to use the current sys.getrecursionlimit() value as the default maxlevels value, rather than using sys.getrecursionlimit() value read at startup.
* bpo-11410: Standardize and use symbol visibility attributes across POSIX and ↵Vinay Sajip2019-10-151-0/+4
| | | | Windows. (GH-16347)
* bpo-32498: urllib.parse.unquote also accepts bytes (GH-7768)Stein Karlsen2019-10-141-0/+2
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* bpo-38469: Handle named expression scope with global/nonlocal keywords ↵Pablo Galindo2019-10-141-0/+2
| | | | | (GH-16755) The symbol table handing of PEP572's assignment expressions is not resolving correctly the scope of some variables in presence of global/nonlocal keywords in conjunction with comprehensions.
* bpo-38379: Don't block collection of unreachable objects when some objects ↵Pablo Galindo2019-10-131-0/+4
| | | | | | | resurrect (GH-16687) Currently if any finalizer invoked during garbage collection resurrects any object, the gc gives up and aborts the collection. Although finalizers are assured to only run once per object, this behaviour of the gc can lead to an ever-increasing memory situation if new resurrecting objects are allocated in every new gc collection. To avoid this, recompute what objects among the unreachable set need to be resurrected and what objects can be safely collected. In this way, resurrecting objects will not block the collection of other objects in the unreachable set.
* bpo-38431: Fix __repr__ method of InitVar to work with typing objects. ↵Samuel Colvin2019-10-131-0/+1
| | | | | | (GH-16702)
* bpo-38378: Rename parameters "out" and "in" of os.sendfile(). (GH-16742)Serhiy Storchaka2019-10-131-0/+2
| | | | | | | They conflicted with keyword "in". Also rename positional-only parameters of private os._fcopyfile() for consistency.
* bpo-38417: Add umask support to subprocess (GH-16726)Gregory P. Smith2019-10-121-0/+2
| | | | On POSIX systems, allow the umask to be set in the child process before we exec.
* bpo-35800: Deprecate smtpd.MailmanProxy (GH-11675)Samuel Colvin2019-10-122-0/+2
| | | | | | Since `smtpd.MailmanProxy` is already broken, it is not formally deprecated in 3.9. It will be removed in 3.10. https://bugs.python.org/issue35800
* bpo-38449: Revert "bpo-22347: Update mimetypes.guess_type to allow oper ↵Abhilash Raj2019-10-122-2/+2
| | | | | | | | | parsing of URLs (GH-15522)" (GH-16724) This reverts commit 87bd2071c756188b6cd577889fb1682831142ceb. https://bugs.python.org/issue38449
* bpo-38347: find pathfix for Python scripts whose name contain a '-' (GH-16536)Ruediger Pluem2019-10-111-0/+1
| | | pathfix.py: Assume all files that end on '.py' are Python scripts when working recursively.
* bpo-38437: Activate GC_DEBUG when PY_DEBUG is set (GH-16707)Pablo Galindo2019-10-101-0/+2
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* bpo-38109: Add missing constants to Lib/stat.py (GH-16665)Ronan Lamy2019-10-101-0/+3
| | | | | Add missing stat.S_IFDOOR, stat.S_IFPORT, stat.S_IFWHT, stat.S_ISDOOR, stat.S_ISPORT, and stat.S_ISWHT values to the Python implementation of the stat module.
* bpo-38379: don't claim objects are collected when they aren't (#16658)Tim Peters2019-10-091-0/+1
| | | | | | * bpo-38379: when a finalizer resurrects an object, nothing is actually collected in this run of gc. Change the stats to relect that truth.
* closes bpo-36161: Use thread-safe ttyname_r instead of ttyname. (GH-14868)Antonio Gutierrez2019-10-091-0/+1
| | | Signed-off-by: Antonio Gutierrez <chibby0ne@gmail.com>
* bpo-37531: regrtest ignores output on timeout (GH-16659)Victor Stinner2019-10-081-0/+5
| | | | | | | | | | | bpo-37531, bpo-38207: On timeout, regrtest no longer attempts to call `popen.communicate() again: it can hang until all child processes using stdout and stderr pipes completes. Kill the worker process and ignores its output. Reenable test_regrtest.test_multiprocessing_timeout(). bpo-37531: Change also the faulthandler timeout of the main process from 1 minute to 5 minutes, for Python slowest buildbots.
* bpo-38395: Fix ownership in weakref.proxy methods (GH-16632)Pablo Galindo2019-10-081-0/+3
| | | | | | | | | | | | | The implementation of weakref.proxy's methods call back into the Python API using a borrowed references of the weakly referenced object (acquired via PyWeakref_GET_OBJECT). This API call may delete the last reference to the object (either directly or via GC), leaving a dangling pointer, which can be subsequently dereferenced. To fix this, claim a temporary ownership of the referenced object when calling the appropriate method. Some functions because at the moment they do not need to access the borrowed referent, but to protect against future changes to these functions, ownership need to be fixed in all potentially affected methods.
* bpo-38118: Ignore Valgrind false alarm in PyUnicode_Decode() (GH-16651)Victor Stinner2019-10-082-0/+13
| | | | | | | Valgrind emits "Conditional jump or move depends on uninitialised value(s)" false alarms on GCC builtin strcmp() function. The GCC code is correct. Valgrind bug: https://bugs.kde.org/show_bug.cgi?id=264936
* bpo-38405: Make nested subclasses of typing.NamedTuple pickleable. (GH-16641)Serhiy Storchaka2019-10-081-0/+1
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* bpo-36698: IDLE no longer fails when write non-encodable characters to ↵Serhiy Storchaka2019-10-081-0/+3
| | | | | | | stderr. (GH-16583) It now escapes them with a backslash, as the regular Python interpreter. Added the "errors" field to the standard streams.
* bpo-38371: Tkinter: deprecate the split() method. (GH-16584)Serhiy Storchaka2019-10-081-0/+3
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* closes bpo-38402: Check error of primitive crypt/crypt_r. (GH-16599)Antonio Gutierrez2019-10-081-0/+1
| | | | | | | Checks also for encryption algorithms methods not supported in different OSs. Signed-off-by: Antonio Gutierrez <chibby0ne@gmail.com>
* bpo-38392: PyObject_GC_Track() validates object in debug mode (GH-16615)Victor Stinner2019-10-071-0/+3
| | | | | | | | In debug mode, PyObject_GC_Track() now calls tp_traverse() of the object type to ensure that the object is valid: test that objects visited by tp_traverse() are valid. Fix pyexpat.c: only track the parser in the GC once the parser is fully initialized.
* bpo-38344: Fix syntax in activate.bat (GH-16533)James Abel2019-10-071-0/+1
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* bpo-38294: Add list of no-longer-escaped chars to re.escape documentation. ↵Ricardo Bánffy2019-10-071-0/+1
| | | | | | | | | (GH-16442) Prior to 3.7, re.escape escaped many characters that don't have special meaning in Python, but that use to require escaping in other tools and languages. This commit aims to make it clear which characters were, but are no longer escaped.
* bpo-36389: _PyObject_CheckConsistency() available in release mode (GH-16612)Victor Stinner2019-10-071-0/+3
| | | | | | | | | | | | | | | | | | | | | bpo-36389, bpo-38376: The _PyObject_CheckConsistency() function is now also available in release mode. For example, it can be used to debug a crash in the visit_decref() function of the GC. Modify the following functions to also work in release mode: * _PyDict_CheckConsistency() * _PyObject_CheckConsistency() * _PyType_CheckConsistency() * _PyUnicode_CheckConsistency() Other changes: * _PyMem_IsPtrFreed(ptr) now also returns 1 if ptr is NULL (equals to 0). * _PyBytesWriter_CheckConsistency() now returns 1 and is only used with assert(). * Reorder _PyObject_Dump() to write safe fields first, and only attempt to render repr() at the end.
* bpo-25988: Do not expose abstract collection classes in the collections ↵Serhiy Storchaka2019-10-071-0/+2
| | | | module. (GH-10596)
* bpo-38210: Fix intersection operation with dict view and iterator. (GH-16602)Dong-hee Na2019-10-061-0/+2
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* bpo-38332: Catch KeyError from unknown cte in encoded-word. (GH-16503)Andrei Troie2019-10-051-0/+3
| | | KeyError should cause a failure in parsing the encoded word and should be caught and raised as a _InvalidEWError instead.
* bpo-38341: Add SMTPNotSupportedError in the exports of smtplib (#16525)nde2019-10-051-0/+1
| | | | | | Add SMTPNotSupportedError in the exports of smtplib Co-Authored-By: Brandt Bucher <brandtbucher@gmail.com>
* bpo-38266: Revert bpo-37878: Make PyThreadState_DeleteCurrent() Internal ↵Joannah Nanjekye2019-10-041-0/+1
| | | | | (GH-16558) Revert the removal of PyThreadState_DeleteCurrent() with documentation.
* bpo-13153: Use OS native encoding for converting between Python and Tcl. ↵Serhiy Storchaka2019-10-041-0/+4
| | | | | | | | | | | | | (GH-16545) On Windows use UTF-16 (or UTF-32 for 32-bit Tcl_UniChar) with the "surrogatepass" error handler for converting to/from Tcl Unicode objects. On Linux use UTF-8 with the "surrogateescape" error handler for converting to/from Tcl String objects. Converting strings from Tcl to Python and back now never fails (except MemoryError).
* bpo-38359: Ensures pyw.exe launcher reads correct registry key (GH-16561)Steve Dower2019-10-031-0/+1
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* bpo-38355: Fix ntpath.realpath failing on sys.executable (GH-16551)Steve Dower2019-10-031-0/+1
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* bpo-37474: Don't call fedisableexcept() on FreeBSD (GH-16515)Victor Stinner2019-10-011-0/+3
| | | | | On FreeBSD, Python no longer calls fedisableexcept() at startup to control the floating point control mode. The call became useless since FreeBSD 6: it became the default mode.
* bpo-38304: Remove PyConfig.struct_size (GH-16500) (GH-16508)Victor Stinner2019-10-011-3/+0
| | | | | | | For now, we'll rely on the fact that the config structures aren't covered by the stable ABI. We may revisit this in the future if we further explore the idea of offering a stable embedding API. (cherry picked from commit bdace21b769998396d0ccc8da99a8ca9b507bfdf)
* bpo-38319: Fix shutil._fastcopy_sendfile(): set sendfile() max block size ↵Giampaolo Rodola2019-10-011-0/+2
| | | | (GH-16491)
* bpo-32689: Updates shutil.move to allow for Path objects to be used as ↵Maxwell A McKinnon2019-10-011-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | source arg (GH-15326) Important work originally done by @emilyemorehouse two years ago and nearly ready to go in. This bug has affected many people and in some cases has been a dealbreaker to the adoption of the otherwise wonderful pathlib and PEP519. https://stackoverflow.com/questions/33625931/copy-file-with-pathlib-in-python. This adds the outstanding test request from that PR @vstinner (https://github.com/python/cpython/pull/5393). Test fails without the change, passes with it, along with every other test in test_shutil. Some variants were experimented with to make the one line change and the most performant one was picked. # Added Test for PathLike directory destination, the current fail case ``` Lib/test/test_shutil.py::TestMove::test_move_file_pathlike FAILED [100%] ============================================================== FAILURES =============================================================== __________________________________________________ TestMove.test_move_file_pathlike ___________________________________________________ self = <test.test_shutil.TestMove testMethod=test_move_file_pathlike> def test_move_file_pathlike(self): # Move a file to another location on the same filesystem. src = pathlib.Path(self.src_file) > self._check_move_file(src, self.dst_dir, self.dst_file) Lib/test/test_shutil.py:1563: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Lib/test/test_shutil.py:1545: in _check_move_file shutil.move(src, dst) /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/shutil.py:562: in move real_dst = os.path.join(dst, _basename(src)) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ path = PosixPath('/var/folders/r2/psq74t5x3nbfzlph8bh2pvdw0000gn/T/tmp9ie0wh9_/foo') def _basename(path): # A basename() variant which first strips the trailing slash, if present. # Thus we always get the last component of the path, even for directories. sep = os.path.sep + (os.path.altsep or '') > return os.path.basename(path.rstrip(sep)) E AttributeError: 'PosixPath' object has no attribute 'rstrip' /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/shutil.py:526: AttributeError ============================================== 1 failed, 102 deselected in 0.30 seconds =============================================== ``` After change: ``` ========================================================= test session starts ========================================================= platform darwin -- Python 3.7.4, pytest-5.0.1, py-1.8.0, pluggy-0.12.0 -- /Users/maxwellmckinnon/.venvs/TA3.7/bin/python3.7 cachedir: .pytest_cache rootdir: /Users/maxwellmckinnon/dev/cpython plugins: cov-2.7.1, mock-1.10.4 collected 103 items / 102 deselected / 1 selected Lib/test/test_shutil.py::TestMove::test_move_file_pathlike PASSED [100%] ============================================== 1 passed, 102 deselected in 0.06 seconds =============================================== ``` Running all the tests in test_shutil.py ``` ╰─ pytest Lib/test/test_shutil.py -v ========================================================= test session starts ========================================================= platform darwin -- Python 3.7.4, pytest-5.0.1, py-1.8.0, pluggy-0.12.0 -- /Users/maxwellmckinnon/.venvs/TA3.7/bin/python3.7 cachedir: .pytest_cache rootdir: /Users/maxwellmckinnon/dev/cpython plugins: cov-2.7.1, mock-1.10.4 collected 103 items Lib/test/test_shutil.py::TestShutil::test_chown PASSED [ 0%] Lib/test/test_shutil.py::TestShutil::test_copy PASSED [ 1%] ... Lib/test/test_shutil.py::TermsizeTests::test_stty_match SKIPPED [ 99%] Lib/test/test_shutil.py::PublicAPITests::test_module_all_attribute PASSED [100%] ================================================ 96 passed, 7 skipped in 1.25 seconds ================================================= ``` # Performance Considerations Is it considered poor form to get rid of _basename altogether and make use of pathlib in the move function? I'm not sure if the idea is for all these modules to strictly avoid circular dependencies. They are already using os.path which is just as much a citizen in 3.8 as pathlib right? e.g. `real_dst = os.path.join(dst, _basename(src))` becomes `real_dst = Path(dst) / Path(src).name` I've looked around and familiarized myself, and I now think importing pathlib here is fine. My only remaining concern is that of performance. Here's the performance difference for this step. ``` In [46]: %timeit real_dst = os.path.join("a/b/c", _basename('b/')) 2.71 µs ± 62.6 ns per loop (mean ± std. dev. of 7 runs, 100000 loops each) In [47]: %timeit real_dst = Path("a/b/c") / Path('b/').name 12.4 µs ± 65.3 ns per loop (mean ± std. dev. of 7 runs, 100000 loops each) ``` Is 10us significant or insignificant compared to the least expensive operation this function will do? I don't know. Let's find out. ``` In [55]: %timeit os.rename('/tmp/a/a.txt', '/tmp/a/b.txt'); os.rename('/tmp/a/b.txt', '/tmp/a/a.txt') 124 µs ± 2.18 µs per loop (mean ± std. dev. of 7 runs, 10000 loops each) ``` 62us to rename. 10us seems significant enough that we wouldn't want to favor the Path sugar suggestion. 16% speed decrease from adding the 10us. What do people think? I was hoping to get to use pathlib.Path here, but I suspect for this low level move, it should be as fast as possible, and 16% is not worth one line of sugary code to me. https://bugs.python.org/issue32689 Automerge-Triggered-By: @gvanrossum
* Clear weakrefs in garbage found by the GC (#16495)Neil Schemenauer2019-09-301-0/+3
| | | | | Fix a bug due to the interaction of weakrefs and the cyclic garbage collector. We must clear any weakrefs in garbage in order to prevent their callbacks from executing and causing a crash.
* bpo-30773: Fix ag_running; prohibit running athrow/asend/aclose in parallel ↵Yury Selivanov2019-09-301-0/+2
| | | | (#7468)
* bpo-38242: Revert "bpo-36889: Merge asyncio streams (GH-13251)" (#16482)Yury Selivanov2019-09-301-0/+1
| | | See https://bugs.python.org/issue38242 for more details
* bpo-38163: Child mocks detect their type as sync or async (GH-16471)Lisa Roach2019-09-301-0/+4
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