Merge branch 'develop' into matroid.pyx

Author: gmou3

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,32 +1,26 @@
-<!-- ^^^^^
-Please provide a concise, informative and self-explanatory title.
-Don't put issue numbers in there, do this in the PR body below.
-For example, instead of "Fixes #1234" use "Introduce new method to calculate 1+1"
--->
-<!-- Describe your changes here in detail -->
+<!-- ^ Please provide a concise and informative title. -->
+<!-- ^ Don't put issue numbers in the title, do this in the PR description below. -->
+<!-- ^ For example, instead of "Fixes #12345" use "Introduce new method to calculate 1 + 2". -->
+<!-- v Describe your changes below in detail. -->
+<!-- v Why is this change required? What problem does it solve? -->
+<!-- v If this PR resolves an open issue, please link to it here. For example, "Fixes #12345". -->
+
 
-<!-- Why is this change required? What problem does it solve? -->
-<!-- If this PR resolves an open issue, please link to it here. For example "Fixes #12345". -->
-<!-- If your change requires a documentation PR, please link it appropriately. -->
 
 ### :memo: Checklist
 
 <!-- Put an `x` in all the boxes that apply. -->
-<!-- If your change requires a documentation PR, please link it appropriately -->
-<!-- If you're unsure about any of these, don't hesitate to ask. We're here to help! -->
-<!-- Feel free to remove irrelevant items. -->
 
-- [ ] The title is concise, informative, and self-explanatory.
+- [ ] The title is concise and informative.
 - [ ] The description explains in detail what this PR is about.
 - [ ] I have linked a relevant issue or discussion.
 - [ ] I have created tests covering the changes.
 - [ ] I have updated the documentation accordingly.
 
 ### :hourglass: Dependencies
 
-<!-- List all open PRs that this PR logically depends on
-- #12345: short description why this is a dependency
-- #34567: ...
--->
+<!-- List all open PRs that this PR logically depends on. For example, -->
+<!-- - #12345: short description why this is a dependency -->
+<!-- - #34567: ... -->
+
 
-<!-- If you're unsure about any of these, don't hesitate to ask. We're here to help! -->

.github/workflows/ci-conda.yml

@@ -22,11 +22,26 @@ jobs:
 
     strategy:
       matrix:
-        os: [ubuntu, macos]
-        python: ['3.9', '3.10', '3.11']
+        # On pushes to tags or branches, test the whole matrix.
+        os: >-
+          ${{ github.event_name == 'pull_request'
+                && fromJson('["ubuntu"]')
+                || fromJson('["ubuntu", "macos"]') }}
+        python: >-
+          ${{ github.event_name == 'pull_request'
+                && fromJson('["3.9"]')
+                || fromJson('["3.9", "3.10", "3.11"]') }}
         # Optional environment is disabled for now as its not yet working
         # environment: [environment, environment-optional]
         conda-env: [environment]
+        # On pull requests, only test two jobs:
+        # Ubuntu with Python 3.9, macOS with Python 3.10.
+        # Build & Test currently uses Python 3.11 (on ubuntu-focal).
+        # Together, they cover the supported minor Python versions.
+        include: >-
+          ${{ github.event_name == 'pull_request'
+                && fromJson('[{"os": "macos", "python": "3.10", "conda-env": "environment"}]')
+                || fromJson('[]') }}
 
     steps:
       - uses: actions/checkout@v4

.gitpod-setup-trac-remote.sh

@@ -3,27 +3,8 @@
 # Exit on error
 set -e
 
-# Setup trac as remote
-## In order to push to trac, generate a new key with `ssh-keygen -f tempkey` and save the private key to gitpod `gp env PRIVATE_SSH_KEY="$(<tempkey)"` (or by following https://www.gitpod.io/docs/environment-variables#using-the-account-settings)
-## then follow https://doc.sagemath.org/html/en/developer/trac.html#linking-your-public-key-to-your-trac-account to register the public key with trac.
-## Afterwards, create a new gitpod workspace.
-git remote remove trac 2> /dev/null || true # might still exists from a previous run/prebuild
-if [[ -n "${PRIVATE_SSH_KEY}" ]]; then
-  # Setup ssh key for authentication with trac
-  mkdir -p ~/.ssh
-  echo $PRIVATE_SSH_KEY | sed 's/\(-----\(BEGIN\|END\) OPENSSH PRIVATE KEY-----\)/\n\1\n/g' > ~/.ssh/id_rsa
-  sed -i '/^$/d' ~/.ssh/id_rsa
-  chmod 600 ~/.ssh/id_rsa
-  echo "PubkeyAcceptedKeyTypes +ssh-rsa" > ~/.ssh/config
-  ssh-keyscan -H trac.sagemath.org >> ~/.ssh/known_hosts
+git remote remove trac 2> /dev/null || true  # might still exists from a previous run/prebuild
 
-  # Setup trac repo
-  git remote add trac [email protected]:sage.git -t master -t develop -t $(git branch --show-current)
-  git remote set-url --push trac [email protected]:sage.git
-  git fetch trac
-  git branch -u trac/$(git branch --show-current)
-else
-  # Fallback to sagemath mirror
-  git remote add trac https://github.com/sagemath/sagetrac-mirror.git -t master -t develop
-  git remote set-url --push trac pushing-needs-ssh-key
-fi
+# Setup trac as remote
+git remote add trac https://github.com/sagemath/sagetrac-mirror.git -t master -t develop
+git remote set-url --push trac no-pushing--this-is-a-read-only-archive

CITATION.cff

@@ -4,8 +4,8 @@ title: SageMath
 abstract: SageMath is a free open-source mathematics software system.
 authors:
 - name: "The SageMath Developers"
-version: 10.3.beta8
+version: 10.3.rc0
 doi: 10.5281/zenodo.593563
-date-released: 2024-02-13
+date-released: 2024-02-25
 repository-code: "https://github.com/sagemath/sage"
 url: "https://www.sagemath.org/"

CONTRIBUTING.md

@@ -15,11 +15,11 @@ environment.
 
 All code is peer-reviewed, all functions must be documented and
 unit-tested on a variety of platforms and systems. Python is used as a
-base language, Git is used as the source code revision system, and
-Trac is used to track all support/development issues. All of these
-tools are very capable and used in many other small and large-scale
-projects.  From a software engineering standpoint, SageMath is a
-wonderful project to be engaged in.
+base language, and development takes place on GitHub, with Git as the
+source code revision system. All of these tools are very capable and
+used in many other small and large-scale projects. From a software
+engineering standpoint, SageMath is a wonderful project to be engaged
+in.
 
 The mailing lists are extremely supportive and responsive. There are
 several hundred people that have contributed code directly to SageMath

Makefile

@@ -201,7 +201,7 @@ micro_release:
 
 # Leaves everything that is needed to make the next "make" fast but removes
 # all the cheap build artifacts that can be quickly regenerated.
-# Trac #30960: We no longer uninstall sagelib.
+# Issue #30960: We no longer uninstall sagelib.
 fast-rebuild-clean: misc-clean
 	rm -rf upstream/
 	rm -rf build/pkgs/sagelib/src/build/temp.*

VERSION.txt

@@ -1 +1 @@
-SageMath version 10.3.beta8, Release Date: 2024-02-13
+SageMath version 10.3.rc0, Release Date: 2024-02-25

build/bin/sage-bootstrap-python

@@ -27,23 +27,23 @@ SAGE_ORIG_PATH=${NEW_PATH%%':'}
 # So it needs to find a python that has the urllib module.
 # For example, on Debian buster, the python3-minimal package does NOT provide it.
 #
-# Also, Trac #20023 removed the vendored argparse library from sage_bootstrap,
+# Also, Issue #20023 removed the vendored argparse library from sage_bootstrap,
 # so we test that python is new enough (>= 2.7) to run it.
 #
 # See https://github.com/sagemath/sage/issues/29090
 
-# Trac #29890: Our first choice is "python", not "python3". This is to avoid
+# Issue #29890: Our first choice is "python", not "python3". This is to avoid
 # a defect of sage_bootstrap on macOS regarding SSL URLs.
 
-# Trac #30177: Also check for hashlib.sha1 to guard against broken python2
+# Issue #30177: Also check for hashlib.sha1 to guard against broken python2
 # from old homebrew installations.  Also check whether the current directory
 # is accessible by this python; this is to guard on WSL against Pythons
 # installed somewhere else in Windows.
 
-# Trac #29285: Do not accept pythons that manipulate PATH, such as
+# Issue #29285: Do not accept pythons that manipulate PATH, such as
 # the shims provided by pyenv.
 
-# Trac #30008: Make it work even if the environment tries to sabotage UTF-8
+# Issue #30008: Make it work even if the environment tries to sabotage UTF-8
 # operation in Python 3.0.x-3.6.x by setting LC_ALL=C or similar.
 
 if [ "$LC_ALL" = "C" -o "$LANG" = "C" -o "$LC_CTYPE" = "C" ]; then
@@ -54,7 +54,7 @@ if [ "$LC_ALL" = "C" -o "$LANG" = "C" -o "$LC_CTYPE" = "C" ]; then
 fi
 
 PYTHONS="python python3 python3.12 python3.11 python3.10 python3.9 python3.8 python3.7 python2.7 python3.6 python2"
-# Trac #32405: Prefer a Python that provides ssl with SNI, which allows developers
+# Issue #32405: Prefer a Python that provides ssl with SNI, which allows developers
 # to download from upstream URLs (configure --enable-download-from-upstream-url),
 # in particular from PyPI, which requires SNI.
 for PY in $PYTHONS; do

build/bin/sage-build-env

@@ -177,9 +177,9 @@ if [ "x$SAGE_BUILD_ENV_SOURCED" = "x" ]; then
     fi
 fi
 
-# Trac #31335: Avoid include paths leaking in from homebrew python3's distutils.cfg
+# Issue #31335: Avoid include paths leaking in from homebrew python3's distutils.cfg
 # by using setuptools' own copy of distutils instead of relying on stdlib distutils
-# Trac #32944: Only do this on homebrew.
+# Issue #32944: Only do this on homebrew.
 if [ -n "$HOMEBREW" ]; then
     export SETUPTOOLS_USE_DISTUTILS=local
 fi

build/bin/sage-dist-helpers

@@ -211,7 +211,7 @@ sdh_make_install() {
 }
 
 sdh_setup_bdist_wheel() {
-    # Trac #32046: Most uses of this function can be replaced by sdh_pip_install
+    # Issue #32046: Most uses of this function can be replaced by sdh_pip_install
     mkdir -p dist
     rm -f dist/*.whl
     BDIST_DIR="$(mktemp -d)"
@@ -364,14 +364,14 @@ sdh_store_and_pip_install_wheel() {
         echo "sdh_actually_pip_install_wheel $distname $pip_options -r \"\$SAGE_SPKG_SCRIPTS/\$PKG_BASE/spkg-requirements.txt\"" >> "$script_dir"/spkg-pipinst
     else
         if [ -n "$SAGE_DESTDIR" ]; then
-            # Trac #29585: Do the SAGE_DESTDIR staging of the wheel installation
+            # Issue #29585: Do the SAGE_DESTDIR staging of the wheel installation
             # ONLY if SAGE_SUDO is set (in that case, we still do the staging so
             # that we do not invoke pip as root).
             # --no-warn-script-location: Suppress a warning caused by --root
             local sudo=""
             local root="--root=$SAGE_DESTDIR --no-warn-script-location"
         elif [ -n "$SAGE_SUDO" ]; then
-            # Trac #32361: For script packages, we do have to invoke pip as root.
+            # Issue #32361: For script packages, we do have to invoke pip as root.
             local sudo="$SAGE_SUDO"
             local root=""
         else
@@ -387,7 +387,7 @@ sdh_store_and_pip_install_wheel() {
 sdh_actually_pip_install_wheel() {
     distname=$1
     shift
-    # Trac #32659: pip no longer reinstalls local wheels if the version is the same.
+    # Issue #32659: pip no longer reinstalls local wheels if the version is the same.
     # Because neither (1) applying patches nor (2) local changes (in the case
     # of sage-conf, sage-setup, etc.) bump the version number, we need to
     # override this behavior.  The pip install option --force-reinstall does too