gh-35203: sagemath-standard: Add dependencies typing_extensions, `i…

…mportlib_resources`, `importlib_metadata`

    
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Resolves #34831

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URL: #35203
Reported by: Matthias Köppe
Reviewer(s): Tobias Diez

build/pkgs/importlib_metadata/SPKG.rst

@@ -4,17 +4,19 @@ importlib_metadata: Library to access the metadata for a Python package
 Description
 -----------
 
-importlib_metadata is a library to access the metadata for a Python package.
-It is intended to be ported to Python 3.8.
+This is a backport package, supplying access to the functionality of
+``importlib.metadata`` including improvements added to subsequent Python versions.
+
 
 License
 -------
 
-Apache Software License 
+Apache Software License
 
 
 Upstream Contact
 ----------------
 
-Home page: http://importlib-metadata.readthedocs.io/
+- https://pypi.org/project/importlib-metadata/
 
+- http://importlib-metadata.readthedocs.io/

build/pkgs/importlib_metadata/checksums.ini

@@ -1,5 +1,5 @@
 tarball=importlib_metadata-VERSION.tar.gz
-sha1=4a49e8c6d8e2eb02e9ea821444b5ba153d8c34a6
-md5=56d34f2e854bb0f318baa9e47aba3439
-cksum=3438247256
+sha1=b9b1f85f9d7ea8464990aa48078c2bc18c88b17d
+md5=a7d0734680f70b03368b69fe3e89dc56
+cksum=579037727
 upstream_url=https://pypi.io/packages/source/i/importlib_metadata/importlib_metadata-VERSION.tar.gz

build/pkgs/importlib_metadata/install-requires.txt

@@ -1 +1,3 @@
-importlib_metadata >=1.7.0
+# According to https://pypi.org/project/importlib-metadata/,
+# 4.13 provides the features of Python 3.11 importlib.metadata
+importlib_metadata >=4.13

build/pkgs/importlib_metadata/package-version.txt

@@ -1 +1 @@
-5.1.0
+6.0.0

build/pkgs/importlib_resources/checksums.ini

@@ -1,5 +1,5 @@
 tarball=importlib_resources-VERSION.tar.gz
-sha1=a8c7a6a976fffb9841c548230cb633eda3111c4f
-md5=8afc48c5f3a7c4ba63cb38163340d78b
-cksum=196052500
+sha1=b793f4fb94148414679e3192e731fef25e3e9bc9
+md5=5457c25b89b19fcaca8af03e541dfa41
+cksum=527125049
 upstream_url=https://pypi.io/packages/source/i/importlib_resources/importlib_resources-VERSION.tar.gz

build/pkgs/importlib_resources/install-requires.txt

@@ -1 +1,3 @@
-importlib-resources
+# According to https://pypi.org/project/importlib-resources/,
+# version 5.7 provides the features of Python 3.11 importlib.resources
+importlib_resources >= 5.7

build/pkgs/importlib_resources/package-version.txt

@@ -1 +1 @@
-5.10.0
+5.12.0

build/pkgs/sagelib/dependencies

@@ -1,4 +1,4 @@
-FORCE $(SCRIPTS) arb boost_cropped $(BLAS) brial cliquer cypari cysignals cython ecl eclib ecm flint libgd gap giac givaro glpk gmpy2 gsl iml jinja2 jupyter_core lcalc lrcalc_python libbraiding libhomfly libpng linbox m4ri m4rie memory_allocator mpc mpfi mpfr $(MP_LIBRARY) ntl numpy pari pip pkgconfig planarity ppl pplpy primesieve primecount primecountpy pycygwin $(PYTHON) requests rw sage_conf singular symmetrica $(PCFILES) | $(PYTHON_TOOLCHAIN) sage_setup
+FORCE $(SCRIPTS) arb boost_cropped $(BLAS) brial cliquer cypari cysignals cython ecl eclib ecm flint libgd gap giac givaro glpk gmpy2 gsl iml importlib_metadata importlib_resources jinja2 jupyter_core lcalc lrcalc_python libbraiding libhomfly libpng linbox m4ri m4rie memory_allocator mpc mpfi mpfr $(MP_LIBRARY) ntl numpy pari pip pkgconfig planarity ppl pplpy primesieve primecount primecountpy pycygwin $(PYTHON) requests rw sage_conf singular symmetrica typing_extensions $(PCFILES) | $(PYTHON_TOOLCHAIN) sage_setup
 
 ----------
 All lines of this file are ignored except the first.

build/pkgs/typing_extensions/checksums.ini

@@ -1,5 +1,5 @@
 tarball=typing_extensions-VERSION.tar.gz
-sha1=9dbf798784009efaef80c8198a75b2a9e519eb95
-md5=5cfcb56ea6fc4972c3600c0030f4d136
-cksum=386983249
+sha1=544dc62dfcd6871ad6ca72f840ecd1b8c29ccf96
+md5=03a01698ace869506cab825697dfb7e1
+cksum=106787813
 upstream_url=https://pypi.io/packages/source/t/typing_extensions/typing_extensions-VERSION.tar.gz

build/pkgs/typing_extensions/install-requires.txt

@@ -1 +1,3 @@
-typing-extensions
+# According to https://github.com/python/typing_extensions/blob/main/CHANGELOG.md,
+# version 4.4.0 adds another Python 3.11 typing backport
+typing_extensions >= 4.4.0

build/pkgs/typing_extensions/package-version.txt

@@ -1 +1 @@
-4.4.0
+4.5.0

src/doc/en/developer/coding_in_python.rst

@@ -26,15 +26,24 @@ doctests.
 Some key language and library features have been backported to Python 3.8
 using one of two mechanisms:
 
-- ``from __future__ import annotations`` (see
-  https://docs.python.org/3.7/library/__future__.html) modernizes type
-  annotations according to PEP 563 (Postponed evaluation of
-  annotations, see https://www.python.org/dev/peps/pep-0563).  All
-  Sage library code that uses type annotations should include this
-  ``__future__`` import and follow PEP 563.
-
-- The Sage distribution includes the backport packages ``importlib_metadata``
-  and ``importlib_resources``.
+- ``from __future__ import annotations`` (see Python reference for
+  `__future__ <https://docs.python.org/3.8/library/__future__.html>`_)
+  modernizes type annotations according to `PEP 563
+  <https://www.python.org/dev/peps/pep-0563>`_ (Postponed evaluation
+  of annotations).  All Sage library code that uses type annotations
+  should include this ``__future__`` import and follow PEP 563.
+
+- Backport packages
+
+  - `importlib_metadata <../reference/spkg/importlib_metadata>`_
+    (to be used in place of ``importlib.metadata``),
+  - `importlib_resources <../reference/spkg/importlib_resources>`_
+    (to be used in place of ``importlib.resources``),
+  - `typing_extensions <../reference/spkg/typing_extensions>`_
+    (to be used in place of ``typing``).
+
+  The Sage library declares these packages as dependencies and ensures that
+  versions that provide features of Python 3.11 are available.
 
 Meta-ticket :trac:`29756` keeps track of newer Python features and serves
 as a starting point for discussions on how to make use of them in the

src/requirements.txt.m4

@@ -20,6 +20,8 @@ dnl ... but building bdist_wheel of cypari2 fails with recent pip... https://git
 cysignals==esyscmd(`printf $(sed "s/[.]p.*//;" ../cysignals/package-version.txt)')
 Cython==esyscmd(`printf $(sed "s/[.]p.*//;" ../cython/package-version.txt)')
 gmpy2==esyscmd(`printf $(sed "s/[.]p.*//;" ../gmpy2/package-version.txt)')
+importlib_metadata==esyscmd(`printf $(sed "s/[.]p.*//;" ../importlib_metadata/package-version.txt)')
+importlib_resources==esyscmd(`printf $(sed "s/[.]p.*//;" ../importlib_resources/package-version.txt)')
 jinja2==esyscmd(`printf $(sed "s/[.]p.*//;" ../jinja2/package-version.txt)')
 dnl ... for sage_setup.autogen.interpreters
 jupyter_core==esyscmd(`printf $(sed "s/[.]p.*//;" ../jupyter_core/package-version.txt)')
@@ -32,6 +34,7 @@ pplpy==esyscmd(`printf $(sed "s/[.]p.*//;" ../pplpy/package-version.txt)')
 primecountpy==esyscmd(`printf $(sed "s/[.]p.*//;" ../primecountpy/package-version.txt)')
 pycygwin==esyscmd(`printf $(sed "s/[.]p.*//;" ../pycygwin/package-version.txt)'); sys_platform == 'cygwin'
 requests==esyscmd(`printf $(sed "s/[.]p.*//;" ../requests/package-version.txt)')
+typing_extensions==esyscmd(`printf $(sed "s/[.]p.*//;" ../typing_extensions/package-version.txt)')
 
 dnl From Makefile.in: SAGERUNTIME
 ipython==esyscmd(`printf $(sed "s/[.]p.*//;" ../ipython/package-version.txt)')

src/setup.cfg.m4

@@ -39,6 +39,8 @@ dnl From build/pkgs/sagelib/dependencies
         cysignals      \
         cython         \
         gmpy2          \
+        importlib_metadata \
+        importlib_resources \
         jinja2         \
         jupyter_core   \
         lrcalc_python  \
@@ -48,6 +50,7 @@ dnl From build/pkgs/sagelib/dependencies
         pplpy          \
         primecountpy   \
         requests       \
+        typing_extensions \
         | sed "2,\$s/^/    /;"')dnl'
 dnl From Makefile.in: SAGERUNTIME
     esyscmd(`sage-get-system-packages install-requires \