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When building some package, I found that the lack of quoting of
PYVERSSUFFIX caused a syntax error due to it ending up empty. Add
quotes, which should be harmless to others and resolved the issue.
(Leftover from the freeze.)
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This resolves a problem where graphics/py-cairo and graphics/py-cairo118
cannot be installed simulatenously despite not conflicting.
PR pkg/55881
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3.7 is currently in security fixes only mode, but 3.8 will
continue to recieve a few more months of normal bug fixes.
This should give us time to prep the tree for 3.9 (a few packages
are not happy with 3.9 yet).
3.8 might be more problematic than 3.7 for Linuxes using older compilers
where shm_open isn't detected probably (however this problem doesn't
seem to be entirely absent in 3.7, as shown by certain packages like
mozjs*?). According to the CentOS 7 folks on tech-pkg this should be
possible to work around by using a newer compiler.
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3.9.0 Release highlights
New syntax features:
PEP 584, union operators added to dict;
PEP 585, type hinting generics in standard collections;
PEP 614, relaxed grammar restrictions on decorators.
New built-in features:
PEP 616, string methods to remove prefixes and suffixes.
New features in the standard library:
PEP 593, flexible function and variable annotations;
os.pidfd_open() added that allows process management without races and signals.
Interpreter improvements:
PEP 573, fast access to module state from methods of C extension types;
PEP 617, CPython now uses a new parser based on PEG;
a number of Python builtins (range, tuple, set, frozenset, list, dict) are now sped up using PEP 590 vectorcall;
garbage collection does not block on resurrected objects;
a number of Python modules (_abc, audioop, _bz2, _codecs, _contextvars, _crypt, _functools, _json, _locale, math, operator, resource, time, _weakref) now use multiphase initialization as defined by PEP 489;
a number of standard library modules (audioop, ast, grp, _hashlib, pwd, _posixsubprocess, random, select, struct, termios, zlib) are now using the stable ABI defined by PEP 384.
New library modules:
PEP 615, the IANA Time Zone Database is now present in the standard library in the zoneinfo module;
an implementation of a topological sort of a graph is now provided in the new graphlib module.
Release process changes:
PEP 602, CPython adopts an annual release cycle.
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Handle both py-setuptools packages in egg.mk
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Use EARLY_PRINT_PLIST_AWK instead of PRINT_PLIST_AWK so all the transformations
are done before the file/directory lists generated as part of print-PLIST are
sorted.
Discussed on tech-pkg@:
<https://mail-index.NetBSD.org/tech-pkg/2020/05/27/msg023249.html>
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There are several places in pkgsrc where the files to be patched are
listed individually instead of just saying util/*/*.sh. This is
unnecessarily detailed. Encourage package authors to use filename
patterns more often.
An example is REPLACE_PYTHON in lang/clang, which currently fails because
some of the listed files don't exist anymore.
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When devel/py-flake8 is built with PYTHON_VERSION_DEFAULT=27, it
nevertheless depends on py37-test-runner-5.2. This is surprising, and to
help researching this issue, all Python-related variables can be listed
using "bmake show-all-pyversion".
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Update help text.
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This retires an old "optimisation" that over time has created more
problems than it solved, including various questions from users about
the ignored patch failures.
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Major new features of the 3.8 series, compared to 3.7
PEP 572, Assignment expressions
PEP 570, Positional-only arguments
PEP 587, Python Initialization Configuration (improved embedding)
PEP 590, Vectorcall: a fast calling protocol for CPython
PEP 578, Runtime audit hooks
PEP 574, Pickle protocol 5 with out-of-band data
Typing-related: PEP 591 (Final qualifier), PEP 586 (Literal types), and PEP 589 (TypedDict)
Parallel filesystem cache for compiled bytecode
Debug builds share ABI as release builds
f-strings support a handy = specifier for debugging
continue is now legal in finally: blocks
on Windows, the default asyncio event loop is now ProactorEventLoop
on macOS, the spawn start method is now used by default in multiprocessing
multiprocessing can now use shared memory segments to avoid pickling costs between processes
typed_ast is merged back to CPython
LOAD_GLOBAL is now 40% faster
pickle now uses Protocol 4 by default, improving performance
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Before, the filename "3270" was wrongly replaced with "${PYVERSSUFFIX}"
since the version number "3.7", when interpreted as a regular expression,
matched that filename.
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Built-in Python modules are built from extracted Python sources and
therefere bound to that specific Python version. For example, trying to
build a module from Python 2.7.16 against an installed Python 2.7.13 is
likely to cause errors.
This commit makes built-in Python modules depend on the full current
Python version.
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We don't want to end up defaulting to an EOL python by the end of this year,
and would like to switch early in the branch. Waiting longer isn't wise.
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This was previously Darwin-only but I ran into the same situation when
building finance/gnucash on NetBSD. /usr/pkg/bin/python happened to be
2.7, but it was used instead of python3.7, leading to a build failure.
This commit fixes that.
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Python 3.7.0 is the newest major release of the Python language, and it contains many new features and optimizations.
Among the major new features in Python 3.7 are:
PEP 539, new C API for thread-local storage
PEP 545, Python documentation translations
New documentation translations: Japanese, French, and Korean.
PEP 552, Deterministic pyc files
PEP 553, Built-in breakpoint()
PEP 557, Data Classes
PEP 560, Core support for typing module and generic types
PEP 562, Customization of access to module attributes
PEP 563, Postponed evaluation of annotations
PEP 564, Time functions with nanosecond resolution
PEP 565, Improved DeprecationWarning handling
PEP 567, Context Variables
Avoiding the use of ASCII as a default text encoding (PEP 538, legacy C locale coercion and PEP 540, forced UTF-8 runtime mode)
The insertion-order preservation nature of dict objects is now an official part of the Python language spec.
Notable performance improvements in many areas.
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unused, and doesn't work as-is
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