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Python 2 removal part 1: tests (C++ code is intentionally ~untouched) (#3688)

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* `#error BYE_BYE_GOLDEN_SNAKE`

* Removing everything related to 2.7 from ci.yml

* Commenting-out Centos7

* Removing `PYTHON: 27` from .appveyor.yml

* "PY2" removal, mainly from tests. C++ code is not touched.

* Systematic removal of `u` prefix from `u"..."` and `u'...'` literals. Collateral cleanup of a couple minor other things.

* Cleaning up around case-insensitive hits for `[^a-z]py.*2` in tests/.

* Removing obsolete Python 2 mention in compiling.rst

* Proper `#error` for Python 2.

* Using PY_VERSION_HEX to guard `#error "PYTHON 2 IS NO LONGER SUPPORTED.`

* chore: bump pre-commit

* style: run pre-commit for pyupgrade 3+

* tests: use sys.version_info, not PY

* chore: more Python 2 removal

* Uncommenting Centos7 block (PR #3691 showed that it is working again).

* Update pre-commit hooks

* Fix pre-commit hook

* refactor: remove Python 2 from CMake

* refactor: remove Python 2 from setup code

* refactor: simplify, better static typing

* feat: fail with nice messages

* refactor: drop Python 2 C++ code

* docs: cleanup for Python 3

* revert: intree

revert: intree

* docs: minor touchup to py2 statement

Co-authored-by: Henry Schreiner <henryschreineriii@gmail.com>
Co-authored-by: Aaron Gokaslan <skylion.aaron@gmail.com>
This commit is contained in:
Ralf W. Grosse-Kunstleve
2022-02-10 18:28:08 -08:00
committed by GitHub
parent 46dcd9bc75
commit 6493f496e3
102 changed files with 529 additions and 1334 deletions
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26
tools/pybind11Common.cmake
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@@ -8,7 +8,6 @@ Adds the following targets::
pybind11::lto - Link time optimizations (manual selection)
pybind11::thin_lto - Link time optimizations (manual selection)
pybind11::python_link_helper - Adds link to Python libraries
pybind11::python2_no_register - Avoid warning/error with Python 2 + C++14/7
pybind11::windows_extras - MSVC bigobj and mp for building multithreaded
pybind11::opt_size - avoid optimizations that increase code size
@@ -66,31 +65,6 @@ set_property(
APPEND
PROPERTY INTERFACE_LINK_LIBRARIES pybind11::pybind11)
# ----------------------- no register ----------------------
# Workaround for Python 2.7 and C++17 (C++14 as a warning) incompatibility
# This adds the flags -Wno-register and -Wno-deprecated-register if the compiler
# is Clang 3.9+ or AppleClang and the compile language is CXX, or /wd5033 for MSVC (all languages,
# since MSVC didn't recognize COMPILE_LANGUAGE until CMake 3.11+).
add_library(pybind11::python2_no_register INTERFACE IMPORTED ${optional_global})
set(clang_4plus
"$<AND:$<CXX_COMPILER_ID:Clang>,$<NOT:$<VERSION_LESS:$<CXX_COMPILER_VERSION>,3.9>>>")
set(no_register "$<OR:${clang_4plus},$<CXX_COMPILER_ID:AppleClang>>")
if(MSVC AND CMAKE_VERSION VERSION_LESS 3.11)
set(cxx_no_register "${no_register}")
else()
set(cxx_no_register "$<AND:$<COMPILE_LANGUAGE:CXX>,${no_register}>")
endif()
set(msvc "$<CXX_COMPILER_ID:MSVC>")
set_property(
TARGET pybind11::python2_no_register
PROPERTY INTERFACE_COMPILE_OPTIONS
"$<${cxx_no_register}:-Wno-register;-Wno-deprecated-register>" "$<${msvc}:/wd5033>")
# --------------------------- link helper ---------------------------
add_library(pybind11::python_link_helper IMPORTED INTERFACE ${optional_global})