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* bpo-37961, tracemalloc: add Traceback.total_nframe (GH-15545)Julien Danjou2019-10-151-43/+47
| | | | 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/+10
| | | | positional-only parameter (GH-16800)
* bpo-38470: Fix test_compileall.test_compile_dir_maxlevels() (GH-16789)Victor Stinner2019-10-151-59/+15
| | | | | | | | | 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-38453: Resolve test directories before chdir to them (GH-16723)Steve Dower2019-10-141-1/+1
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* bpo-32498: urllib.parse.unquote also accepts bytes (GH-7768)Stein Karlsen2019-10-141-2/+23
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* bpo-38469: Handle named expression scope with global/nonlocal keywords ↵Pablo Galindo2019-10-141-0/+45
| | | | | (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 Galindo2019-10-131-16/+82
| | | | | | | 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-38202: Fix a crash in dict_view & non-itearble. (GH-16241)Zackery Spytz2019-10-131-0/+19
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* bpo-38431: Fix __repr__ method of InitVar to work with typing objects. ↵Samuel Colvin2019-10-131-0/+2
| | | | | | (GH-16702)
* bpo-38378: Rename parameters "out" and "in" of os.sendfile(). (GH-16742)Serhiy Storchaka2019-10-131-4/+5
| | | | | | | They conflicted with keyword "in". Also rename positional-only parameters of private os._fcopyfile() for consistency.
* bpo-38456: Handle the case when there is no 'true' command (GH-16739)Pablo Galindo2019-10-131-0/+2
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* bpo-38456: Use /bin/true in test_subprocess (GH-16736)Gregory P. Smith2019-10-121-49/+59
| | | | | | | | | * bpo-38456: Use /bin/true in test_subprocess. Instead of sys.executable, "-c", "pass" or "import sys; sys.exit(0)" use /bin/true when it is available. On a reasonable machine this shaves up to two seconds wall time off the otherwise ~40sec execution on a --with-pydebug build. It should be more notable on many buildbots or overloaded slower I/O systems (CI, etc).
* bpo-38417: Add umask support to subprocess (GH-16726)Gregory P. Smith2019-10-122-5/+27
| | | | On POSIX systems, allow the umask to be set in the child process before we exec.
* bpo-38449: Revert "bpo-22347: Update mimetypes.guess_type to allow oper ↵Abhilash Raj2019-10-112-9/+1
| | | | | | | | | 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 Pluem2019-10-111-6/+28
| | | pathfix.py: Assume all files that end on '.py' are Python scripts when working recursively.
* Re-enable the OverflowError test for test_truediv on test_complex (GH-16591)Dong-hee Na2019-10-101-2/+1
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* bpo-38109: Add missing constants to Lib/stat.py (GH-16665)Ronan Lamy2019-10-101-6/+2
| | | | | 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/+70
| | | | | | * bpo-38379: when a finalizer resurrects an object, nothing is actually collected in this run of gc. Change the stats to relect that truth.
* bpo-37531: regrtest ignores output on timeout (GH-16659)Victor Stinner2019-10-082-28/+37
| | | | | | | | | | | 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.
* test_dictviews: Add testcase for dictviews_sub (GH-16660)Dong-hee Na2019-10-081-0/+2
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* bpo-38395: Fix ownership in weakref.proxy methods (GH-16632)Pablo Galindo2019-10-081-0/+20
| | | | | | | | | | | | | 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-38405: Make nested subclasses of typing.NamedTuple pickleable. (GH-16641)Serhiy Storchaka2019-10-081-7/+21
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* bpo-38371: Tkinter: deprecate the split() method. (GH-16584)Serhiy Storchaka2019-10-081-4/+9
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* bpo-36389: _PyObject_CheckConsistency() available in release mode (GH-16612)Victor Stinner2019-10-072-6/+12
| | | | | | | | | | | | | | | | | | | | | 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-38210: Fix intersection operation with dict view and iterator. (GH-16602)Dong-hee Na2019-10-061-0/+11
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* bpo-38332: Catch KeyError from unknown cte in encoded-word. (GH-16503)Andrei Troie2019-10-052-0/+14
| | | KeyError should cause a failure in parsing the encoded word and should be caught and raised as a _InvalidEWError instead.
* bpo-13153: Use OS native encoding for converting between Python and Tcl. ↵Serhiy Storchaka2019-10-041-0/+5
| | | | | | | | | | | | | (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-38355: Fix ntpath.realpath failing on sys.executable (GH-16551)Steve Dower2019-10-031-7/+5
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* bpo-36670: Enhance regrtest (GH-16556)Victor Stinner2019-10-035-56/+97
| | | | | | | | | | | | | | * Add log() method: add timestamp and load average prefixes to main messages. * WindowsLoadTracker: * LOAD_FACTOR_1 is now computed using SAMPLING_INTERVAL * Initialize the load to the arithmetic mean of the first 5 values of the Processor Queue Length value (so over 5 seconds), rather than 0.0. * Handle BrokenPipeError and when typeperf exit. * format_duration(1.5) now returns '1.5 sec', rather than '1 sec 500 ms'
* bpo-36670: Enhance regrtest WindowsLoadTracker (GH-16553)Victor Stinner2019-10-031-26/+42
| | | | The last line is now passed to the parser even if it does not end with a newline, but only if it's a valid value.
* bpo-36670, regrtest: Fix WindowsLoadTracker() for partial line (GH-16550)Victor Stinner2019-10-031-1/+4
| | | | WindowsLoadTracker.read_output() now uses a short buffer for incomplete line.
* bpo-38338, test.pythoninfo: add more ssl infos (GH-16539)Victor Stinner2019-10-021-0/+31
| | | | | test.pythoninfo now logs environment variables used by OpenSSL and Python ssl modules, and logs attributes of 3 SSL contexts (SSLContext, default HTTPS context, stdlib context).
* bpo-36670: regrtest bug fixes (GH-16537)Victor Stinner2019-10-021-10/+12
| | | | | | | | * Fix TestWorkerProcess.__repr__(): start_time is only valid if _popen is not None. * Fix _kill(): don't set _killed to True if _popen is None. * _run_process(): only set _killed to False after calling run_test_in_subprocess().
* bpo-36670: Multiple regrtest bugfixes (GH-16511)Victor Stinner2019-10-013-133/+175
| | | | | | | | | | | | | | | | * Windows: Fix counter name in WindowsLoadTracker. Counter names are localized: use the registry to get the counter name. Original change written by Lorenz Mende. * Regrtest.main() now ensures that the Windows load tracker is also killed if an exception is raised * TestWorkerProcess now ensures that worker processes are no longer running before exiting: kill also worker processes when an exception is raised. * Enhance regrtest messages and warnings: include test name, duration, add a worker identifier, etc. * Rename MultiprocessRunner to TestWorkerProcess * Use print_warning() to display warnings. Co-Authored-By: Lorenz Mende <Lorenz.mende@gmail.com>
* bpo-32689: Updates shutil.move to allow for Path objects to be used as ↵Maxwell A McKinnon2019-09-301-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* bpo-30773: Fix ag_running; prohibit running athrow/asend/aclose in parallel ↵Yury Selivanov2019-09-291-62/+16
| | | | (#7468)
* bpo-38242: Revert "bpo-36889: Merge asyncio streams (GH-13251)" (#16482)Yury Selivanov2019-09-295-979/+192
| | | See https://bugs.python.org/issue38242 for more details
* bpo-37096: Add large-file tests for modules using sendfile(2) (GH-13676)Giampaolo Rodola2019-09-301-6/+85
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* bpo-38317: Fix PyConfig.warnoptions priority (GH-16478)Victor Stinner2019-09-301-2/+26
| | | | | | | | | Fix warnings options priority: PyConfig.warnoptions has the highest priority, as stated in the PEP 587. * Document options order in PyConfig.warnoptions documentation. * Make PyWideStringList_INIT macro private: replace "Py" prefix with "_Py". * test_embed: add test_init_warnoptions().
* bpo-38019: correctly handle pause/resume reading of closed asyncio unix pipe ↵Andrew Svetlov2019-09-291-0/+27
| | | | (GH-16472)
* bpo-38115: Deal with invalid bytecode offsets in lnotab (GH-16079)T. Wouters2019-09-281-1/+68
| | | | | | | | | | Document that lnotab can contain invalid bytecode offsets (because of terrible reasons that are difficult to fix). Make dis.findlinestarts() ignore invalid offsets in lnotab. All other uses of lnotab in CPython (various reimplementations of addr2line or line2addr in Python, C and gdb) already ignore this, because they take an address to look for, instead. Add tests for the result of dis.findlinestarts() on wacky constructs in test_peepholer.py, because it's the easiest place to add them.
* bpo-38216, bpo-36274: Allow subclasses to separately override validation and ↵Jason R. Coombs2019-09-281-0/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | encoding behavior (GH-16448) * bpo-38216: Allow bypassing input validation * bpo-36274: Also allow the URL encoding to be overridden. * bpo-38216, bpo-36274: Add tests demonstrating a hook for overriding validation, test demonstrating override encoding, and a test to capture expectation of the interface for the URL. * Call with skip_host to avoid tripping on the host checking in the URL. * Remove obsolete comment. * Make _prepare_path_encoding its own attr. This makes overriding just that simpler. Also, don't use the := operator to make backporting easier. * Add a news entry. * _prepare_path_encoding -> _encode_prepared_path() * Once again separate the path validation and request encoding, drastically simplifying the behavior. Drop the guarantee that all processing happens in _prepare_path.
* bpo-38243, xmlrpc.server: Escape the server_title (GH-16373)Dong-hee Na2019-09-271-0/+16
| | | | Escape the server title of xmlrpc.server.DocXMLRPCServer when rendering the document page as HTML.
* bpo-38187: Fix a refleak in Tools/c-analyzer. (gh-16304)Eric Snow2019-09-277-40/+100
| | | | | The "Slot" helper (descriptor) is leaking references due to its caching mechanism. The change includes a partial fix to Slot, but also adds Variable.storage to replace the problematic use of Slot. https://bugs.python.org/issue38187
* bpo-38270: More fixes for strict crypto policy (GH-16418)Christian Heimes2019-09-273-11/+35
| | | | | | | | | | | | | | | test_hmac and test_hashlib test built-in hashing implementations and OpenSSL-based hashing implementations. Add more checks to skip OpenSSL implementations when a strict crypto policy is active. Use EVP_DigestInit_ex() instead of EVP_DigestInit() to initialize the EVP context. The EVP_DigestInit() function clears alls flags and breaks usedforsecurity flag again. Signed-off-by: Christian Heimes <christian@python.org> https://bugs.python.org/issue38270
* bpo-28009: Fix uuid.uuid1() and uuid.get_node() on AIX (GH-8672)Michael Felt2019-09-261-21/+50
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* bpo-38275: Fix test_ssl issue caused by GH-16386 (#16428)Christian Heimes2019-09-261-0/+2
| | | | | | Check presence of SSLContext.minimum_version to make tests pass with old versions of OpenSSL. Signed-off-by: Christian Heimes <christian@python.org>
* bpo-38275: Skip ssl tests for disabled versions (GH-16386)Christian Heimes2019-09-261-51/+143
| | | | | | | | | | | test_ssl now handles disabled TLS/SSL versions better. OpenSSL's crypto policy and run-time settings are recognized and tests for disabled versions are skipped. Signed-off-by: Christian Heimes <christian@python.org> https://bugs.python.org/issue38275
* bpo-38239: Fix test_gdb for Link Time Optimization (LTO) (GH-16422)Victor Stinner2019-09-261-2/+9
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* bpo-38234: Py_Initialize() sets global path configuration (GH-16421)Victor Stinner2019-09-261-0/+38
| | | | | | * Py_InitializeFromConfig() now writes PyConfig path configuration to the global path configuration (_Py_path_config). * Add test_embed.test_get_pathconfig(). * Fix typo in _PyWideStringList_Join().
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