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* bpo-36350: inspect: Replace OrderedDict with dict. (GH-12412)Rémi Lapeyre2020-01-281-0/+5
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* bpo-38883: Don't use POSIX `$HOME` in `pathlib.Path.home/expanduser` on ↵Christoph Reiter2020-01-281-8/+14
| | | | | | | | | Windows (GH-17961) In bpo-36264 os.path.expanduser was changed to ignore HOME on Windows. Path.expanduser/home still honored HOME despite being documented as behaving the same as os.path.expanduser. This makes them also ignore HOME so that both implementations behave the same way again.
* bpo-39205: Tests that highlight a hang on ProcessPoolExecutor shutdown (#18221)Brian Quinlan2020-01-271-0/+20
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* bpo-39459: test.pythoninfo logs effective uid/gid (GH-18203)Victor Stinner2020-01-271-9/+14
| | | Fix also umask formatting: use octal prefix.
* bpo-39453: Add testcase for bpo-39453 (GH-18202)Dong-hee Na2020-01-271-0/+2
| | | | | | | | | https://bugs.python.org/issue39453 Automerge-Triggered-By: @pablogsal Automerge-Triggered-By: @pablogsal
* bpo-39453: Make list.__contains__ hold strong references to avoid crashes ↵Dong-hee Na2020-01-271-0/+5
| | | | (GH-18181)
* Fix so that test.test_distutils can be executed by unittest and not just ↵Toshio Kuratomi2020-01-271-0/+6
| | | | regrtest (GH-13480)
* bpo-39390 shutil: fix argument types for ignore callback (GH-18122)mbarkhau2020-01-241-0/+42
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* bpo-39395: putenv() and unsetenv() always available (GH-18135)Victor Stinner2020-01-242-5/+0
| | | | | | | | The os.putenv() and os.unsetenv() functions are now always available. On non-Windows platforms, Python now requires setenv() and unsetenv() functions to build. Remove putenv_dict from posixmodule.c: it's not longer needed.
* bpo-39413: Implement os.unsetenv() on Windows (GH-18163)Victor Stinner2020-01-241-8/+35
| | | The os.unsetenv() function is now also available on Windows.
* bpo-17005: Add a class to perform topological sorting to the standard ↵Pablo Galindo2020-01-231-1/+273
| | | | | library (GH-11583) Co-Authored-By: Tim Peters <tim.peters@gmail.com>
* bpo-39421: Fix posible crash in heapq with custom comparison operators ↵Pablo Galindo2020-01-231-0/+31
| | | | | | | | | | (GH-18118) * bpo-39421: Fix posible crash in heapq with custom comparison operators * fixup! bpo-39421: Fix posible crash in heapq with custom comparison operators * fixup! fixup! bpo-39421: Fix posible crash in heapq with custom comparison operators
* bpo-39320: Handle unpacking of *values in compiler (GH-17984)Mark Shannon2020-01-231-2/+2
| | | | | | | | * Add three new bytecodes: LIST_TO_TUPLE, LIST_EXTEND, SET_UPDATE. Use them to implement star unpacking expressions. * Remove four bytecodes BUILD_LIST_UNPACK, BUILD_TUPLE_UNPACK, BUILD_SET_UNPACK and BUILD_TUPLE_UNPACK_WITH_CALL opcodes as they are now unused. * Update magic number and dis.rst for new bytecodes.
* bpo-29435: Allow is_tarfile to take a filelike obj (GH-18090)William Woodruff2020-01-221-0/+32
| | | `is_tarfile()` now supports `name` being a file or file-like object.
* bpo-39336: Allow packages to not let their child modules be set on them (#18006)Dino Viehland2020-01-223-0/+26
| | | | | * bpo-39336: Allow setattr to fail on modules which aren't assignable When attaching a child module to a package if the object in sys.modules raises an AttributeError (e.g. because it is immutable) it causes the whole import to fail. This now allows immutable packages to exist and an ImportWarning is reported and the AttributeError exception is ignored.
* bpo-35182: fix communicate() crash after child closes its pipes (GH-17020) ↵Alex Rebert2020-01-221-0/+11
| | | | | | | | | (GH-18117) When communicate() is called in a loop, it crashes when the child process has already closed any piped standard stream, but still continues to be running Co-authored-by: Andriy Maletsky <andriy.maletsky@gmail.com>
* Revert "bpo-39413: Implement os.unsetenv() on Windows (GH-18104)" (GH-18124)Victor Stinner2020-01-221-3/+8
| | | This reverts commit 56cd3710a1ea3ba872d345ea1bebc86ed08bc8b8.
* bpo-39353: Deprecate the binhex module (GH-18025)Victor Stinner2020-01-222-1/+25
| | | | | | | | Deprecate binhex4 and hexbin4 standards. Deprecate the binhex module and the following binascii functions: * b2a_hqx(), a2b_hqx() * rlecode_hqx(), rledecode_hqx() * crc_hqx()
* bpo-39413: Implement os.unsetenv() on Windows (GH-18104)Victor Stinner2020-01-211-8/+3
| | | | | The os.unsetenv() function is now also available on Windows. It is implemented with SetEnvironmentVariableW(name, NULL).
* Move test_math tests (GH-18098)Victor Stinner2020-01-211-148/+148
| | | | | testPerm() and testComb() belong to MathTests, not to IsCloseTests(). test_nextafter() and test_ulp() now use assertIsNaN().
* bpo-39389: gzip: fix compression level metadata (GH-18077)William Chargin2020-01-211-0/+20
| | | | | | As described in RFC 1952, section 2.3.1, the XFL (eXtra FLags) byte of a gzip member header should indicate whether the DEFLATE algorithm was tuned for speed or compression ratio. Prior to this patch, archives emitted by the `gzip` module always indicated maximum compression.
* bpo-39396: Fix math.nextafter(-0.0, +0.0) on AIX 7.1 (GH-18094)Victor Stinner2020-01-211-77/+77
| | | | Move also math.nextafter() on math.ulp() tests from IsCloseTests to MathTests.
* bpo-39386: Prevent double awaiting of async iterator (GH-18081)Andrew Svetlov2020-01-211-0/+36
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* bpo-39377: json: Remove the encoding option. (GH-18075)Inada Naoki2020-01-201-4/+0
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* bpo-38536: locale: Remove trailing space in formatted currency (GH-16864)Inada Naoki2020-01-201-2/+1
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* bpo-39357: Remove buffering parameter of bz2.BZ2File (GH-18028)Victor Stinner2020-01-161-0/+3
| | | | | | | Remove the buffering parameter of bz2.BZ2File. Since Python 3.0, it was ignored and using it was emitting a DeprecationWarning. Pass an open file object to control how the file is opened. The compresslevel parameter becomes keyword-only.
* bpo-39350: Remove deprecated fractions.gcd() (GH-18021)Victor Stinner2020-01-161-25/+2
| | | | Remove fractions.gcd() function, deprecated since Python 3.5 (bpo-22486): use math.gcd() instead.
* bpo-39351: Remove base64.encodestring() (GH-18022)Victor Stinner2020-01-161-8/+0
| | | | | Remove base64.encodestring() and base64.decodestring(), aliases deprecated since Python 3.1: use base64.encodebytes() and base64.decodebytes() instead.
* bpo-37958: Adding get_profile_dict to pstats (GH-15495)Daniel Olshansky2020-01-151-2/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | pstats is really useful or profiling and printing the output of the execution of some block of code, but I've found on multiple occasions when I'd like to access this output directly in an easily usable dictionary on which I can further analyze or manipulate. The proposal is to add a function called get_profile_dict inside of pstats that'll automatically return this data the data in an easily accessible dict. The output of the following script: ``` import cProfile, pstats import pprint from pstats import func_std_string, f8 def fib(n): if n == 0: return 0 if n == 1: return 1 return fib(n-1) + fib(n-2) pr = cProfile.Profile() pr.enable() fib(5) pr.create_stats() ps = pstats.Stats(pr).sort_stats('tottime', 'cumtime') def get_profile_dict(self, keys_filter=None): """ Returns a dict where the key is a function name and the value is a dict with the following keys: - ncalls - tottime - percall_tottime - cumtime - percall_cumtime - file_name - line_number keys_filter can be optionally set to limit the key-value pairs in the retrieved dict. """ pstats_dict = {} func_list = self.fcn_list[:] if self.fcn_list else list(self.stats.keys()) if not func_list: return pstats_dict pstats_dict["total_tt"] = float(f8(self.total_tt)) for func in func_list: cc, nc, tt, ct, callers = self.stats[func] file, line, func_name = func ncalls = str(nc) if nc == cc else (str(nc) + '/' + str(cc)) tottime = float(f8(tt)) percall_tottime = -1 if nc == 0 else float(f8(tt/nc)) cumtime = float(f8(ct)) percall_cumtime = -1 if cc == 0 else float(f8(ct/cc)) func_dict = { "ncalls": ncalls, "tottime": tottime, # time spent in this function alone "percall_tottime": percall_tottime, "cumtime": cumtime, # time spent in the function plus all functions that this function called, "percall_cumtime": percall_cumtime, "file_name": file, "line_number": line } func_dict_filtered = func_dict if not keys_filter else { key: func_dict[key] for key in keys_filter } pstats_dict[func_name] = func_dict_filtered return pstats_dict pp = pprint.PrettyPrinter(depth=6) pp.pprint(get_profile_dict(ps)) ``` will produce: ``` {"<method 'disable' of '_lsprof.Profiler' objects>": {'cumtime': 0.0, 'file_name': '~', 'line_number': 0, 'ncalls': '1', 'percall_cumtime': 0.0, 'percall_tottime': 0.0, 'tottime': 0.0}, 'create_stats': {'cumtime': 0.0, 'file_name': '/usr/local/Cellar/python/3.7.4/Frameworks/Python.framework/Versions/3.7/lib/python3.7/cProfile.py', 'line_number': 50, 'ncalls': '1', 'percall_cumtime': 0.0, 'percall_tottime': 0.0, 'tottime': 0.0}, 'fib': {'cumtime': 0.0, 'file_name': 'get_profile_dict.py', 'line_number': 5, 'ncalls': '15/1', 'percall_cumtime': 0.0, 'percall_tottime': 0.0, 'tottime': 0.0}, 'total_tt': 0.0} ``` As an example, this can be used to generate a stacked column chart using various visualization tools which will assist in easily identifying program bottlenecks. https://bugs.python.org/issue37958 Automerge-Triggered-By: @gpshead
* bpo-38630: Fix subprocess.Popen.send_signal() race condition (GH-16984)Victor Stinner2020-01-151-0/+25
| | | | | | | On Unix, subprocess.Popen.send_signal() now polls the process status. Polling reduces the risk of sending a signal to the wrong process if the process completed, the Popen.returncode attribute is still None, and the pid has been reassigned (recycled) to a new different process.
* bpo-39329: Add timeout parameter for smtplib.LMTP constructor (GH-17998)Dong-hee Na2020-01-141-30/+45
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* bpo-38901: Allow setting a venv's prompt to the basename of the current ↵Vinay Sajip2020-01-141-0/+9
| | | | | | directory. (GH-17946) When a prompt value of '.' is specified, os.path.basename(os.getcwd()) is used to configure the prompt for the created venv.
* bpo-39322: Add gc.is_finalized to check if an object has been finalised by ↵Pablo Galindo2020-01-141-0/+18
| | | | the gc (GH-17989)
* bpo-39048: Look up __aenter__ before __aexit__ in async with (GH-17609)Géry Ogam2020-01-141-9/+11
| | | | | | * Reorder the __aenter__ and __aexit__ checks for async with * Add assertions for async with body being skipped * Swap __aexit__ and __aenter__ loading in the documentation
* bpo-39156: Break up COMPARE_OP into four logically distinct opcodes. (GH-17754)Mark Shannon2020-01-143-80/+79
| | | | | | | | Break up COMPARE_OP into four logically distinct opcodes: * COMPARE_OP for rich comparisons * IS_OP for 'is' and 'is not' tests * CONTAINS_OP for 'in' and 'is not' tests * JUMP_IF_NOT_EXC_MATCH for checking exceptions in 'try-except' statements.
* bpo-39259: smtp.SMTP/SMTP_SSL now reject timeout = 0 (GH-17958)Dong-hee Na2020-01-141-0/+5
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* bpo-39259: ftplib.FTP/FTP_TLS now reject timeout = 0 (GH-17959)Dong-hee Na2020-01-131-0/+4
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* bpo-39299: Add more tests for mimetypes and its cli. (GH-17949)Karthikeyan Singaravelan2020-01-131-4/+80
| | | | | | | * Add tests for case insensitive check of types and extensions as fallback. * Add tests for data url with no comma. * Add tests for read_mime_types. * Add tests for the mimetypes cli and refactor __main__ code to private function. * Restore mimetypes.knownfiles value at the end of the test.
* Cleanup exit code for interpreter. (GH-17756)Mark Shannon2020-01-131-36/+0
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* bpo-39310: Add math.ulp(x) (GH-17965)Victor Stinner2020-01-131-28/+27
| | | | Add math.ulp(): return the value of the least significant bit of a float.
* bpo-38293: Allow shallow and deep copying of property objects (GH-16438)Guðni Natan Gunnarsson2020-01-121-2/+2
| | | | | | | | | | | | | | | | | | Copying property objects results in a TypeError. Steps to reproduce: ``` >>> import copy >>> obj = property() >>> copy.copy(obj) ```` This affects both shallow and deep copying. My idea for a fix is to add property objects to the list of "atomic" objects in the copy module. These already include types like functions and type objects. I also added property objects to the unit tests test_copy_atomic and test_deepcopy_atomic. This is my first PR, and it's highly likely I've made some mistake, so please be kind :) https://bugs.python.org/issue38293
* bpo-39288: Add math.nextafter(x, y) (GH-17937)Victor Stinner2020-01-121-0/+54
| | | Return the next floating-point value after x towards y.
* bpo-39259: nntplib.NNTP/NNTP_SSL now reject timeout = 0 (GH-17936)Dong-hee Na2020-01-111-0/+4
| | | | | nntplib.NNTP and nntplib.NNTP_SSL now raise a ValueError if the given timeout for their constructor is zero to prevent the creation of a non-blocking socket.
* bpo-39200: Correct the error message for min/max builtin function (GH-17814)Dong-hee Na2020-01-101-2/+12
| | | | Correct the error message when calling the min() or max() with no arguments.
* bpo-39259: poplib now rejects timeout = 0 (GH-17912)Dong-hee Na2020-01-101-5/+7
| | | | | poplib.POP3 and poplib.POP3_SSL now raise a ValueError if the given timeout for their constructor is zero to prevent the creation of a non-blocking socket.
* bpo-39166: Fix trace of last iteration of async for loops (#17800)Pablo Galindo2020-01-101-0/+76
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* bpo-39235: Check end_lineno and end_col_offset of AST nodes. (GH-17926)Serhiy Storchaka2020-01-101-102/+104
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* Fix typo in test's docstring (GH-17856)Daniel Hahler2020-01-091-1/+1
| | | * Fix typo in test's docstring. contination -> continuation.
* bpo-25172: Reduce scope of crypt import tests (GH-17881)Steve Dower2020-01-091-4/+5
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* Add test cases for dataclasses. (#17909)Karthikeyan Singaravelan2020-01-091-0/+19
| | | | | | | | * Add test cases for dataclasses. * Add test for repr output of field. * Add test for ValueError to be raised when both default and default_factory are passed.
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