gh-37231: Use matroid-database package

Remove matroid database files (`ext_data/matroids`) and use newly created `matroid-database` pypi package instead. Links to `matroid-database`: [pypi](https://pypi.org/project/matroid- database/), [github](https://github.com/gmou3/matroid-database) Outdated: > Compress (via `xz -e`) the matroid database files (~75MB to <1MB). The files are now opened with `lzma.open()` and the file paths are located through `sage.ext_data` and not relative to `SAGE_SRC` or `SAGE_EXTCODE`. These changes attempt to address the issues raised by @tornaria. > > Also, the addition of the matroid database files inside the folder `ext_data` needs to be noted in the file `setup.cfg.m4`. This issue was brought to my attention by @antonio-rojas. > > These follow the merging of #37140. > > I also took the initiative of reordering alphabetically the list of paths inside `setup.cfg.m4` and of removing the line `ext_data/images/*` which seemed redundant.    ### 📝 Checklist - [x] The title is concise, informative, and self-explanatory. - [x] The description explains in detail what this PR is about. - [x] I have linked a relevant issue or discussion. URL: #37231 Reported by: gmou3 Reviewer(s): gmou3, Gonzalo Tornaría, Matthias Köppe
sagemath · Feb 21, 2024 · 5430775 · 5430775
2 parents 71f2ef4 + 7a0a502
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diff --git a/build/pkgs/matroid_database/SPKG.rst b/build/pkgs/matroid_database/SPKG.rst
@@ -0,0 +1,25 @@
+matroid_database: Python interface to matroid database
+======================================================
+
+Description
+-----------
+
+Python interface to matroid database.
+
+This database was retrieved from
+<https://www-imai.is.s.u-tokyo.ac.jp/~ymatsu/matroid/index.html>
+(Yoshitake Matsumoto, Database of Matroids, 2012; accessed: 2023.12.02).
+
+
+License
+-------
+
+GPL version 3 or later
+
+
+Upstream Contact
+----------------
+
+https://pypi.org/project/matroid-database
+
+https://github.com/gmou3/matroid-database
diff --git a/build/pkgs/matroid_database/checksums.ini b/build/pkgs/matroid_database/checksums.ini
@@ -0,0 +1,5 @@
+tarball=matroid_database-VERSION-py3-none-any.whl
+sha1=5879d6ca685f27df69134f56c07af50f9a2e6622
+md5=e5d667282b7926a2fd268d14f9414214
+cksum=1875993705
+upstream_url=https://pypi.io/packages/py3/m/matroid_database/matroid_database-VERSION-py3-none-any.whl
diff --git a/build/pkgs/matroid_database/dependencies b/build/pkgs/matroid_database/dependencies
@@ -0,0 +1,4 @@
+ | $(PYTHON_TOOLCHAIN) $(PYTHON)
+
+----------
+All lines of this file are ignored except the first.
diff --git a/build/pkgs/matroid_database/install-requires.txt b/build/pkgs/matroid_database/install-requires.txt
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+matroid-database
diff --git a/build/pkgs/matroid_database/package-version.txt b/build/pkgs/matroid_database/package-version.txt
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+0.2
diff --git a/build/pkgs/matroid_database/type b/build/pkgs/matroid_database/type
@@ -0,0 +1 @@
+optional
diff --git a/src/sage/ext_data/matroids/database/all_matroids/allr1n01.txt b/src/sage/ext_data/matroids/database/all_matroids/allr1n01.txt
diff --git a/src/sage/ext_data/matroids/database/all_matroids/allr1n02.txt b/src/sage/ext_data/matroids/database/all_matroids/allr1n02.txt
diff --git a/src/sage/ext_data/matroids/database/all_matroids/allr1n03.txt b/src/sage/ext_data/matroids/database/all_matroids/allr1n03.txt
diff --git a/src/sage/ext_data/matroids/database/all_matroids/allr1n04.txt b/src/sage/ext_data/matroids/database/all_matroids/allr1n04.txt
diff --git a/src/sage/ext_data/matroids/database/all_matroids/allr1n05.txt b/src/sage/ext_data/matroids/database/all_matroids/allr1n05.txt
diff --git a/src/sage/ext_data/matroids/database/all_matroids/allr1n06.txt b/src/sage/ext_data/matroids/database/all_matroids/allr1n06.txt
diff --git a/src/sage/ext_data/matroids/database/all_matroids/allr1n07.txt b/src/sage/ext_data/matroids/database/all_matroids/allr1n07.txt
diff --git a/src/sage/ext_data/matroids/database/all_matroids/allr1n08.txt b/src/sage/ext_data/matroids/database/all_matroids/allr1n08.txt
diff --git a/src/sage/ext_data/matroids/database/all_matroids/allr1n09.txt b/src/sage/ext_data/matroids/database/all_matroids/allr1n09.txt
diff --git a/src/sage/ext_data/matroids/database/all_matroids/allr1n10.txt b/src/sage/ext_data/matroids/database/all_matroids/allr1n10.txt
diff --git a/src/sage/ext_data/matroids/database/all_matroids/allr1n11.txt b/src/sage/ext_data/matroids/database/all_matroids/allr1n11.txt
diff --git a/src/sage/ext_data/matroids/database/all_matroids/allr1n12.txt b/src/sage/ext_data/matroids/database/all_matroids/allr1n12.txt
diff --git a/src/sage/ext_data/matroids/database/all_matroids/allr2n02.txt b/src/sage/ext_data/matroids/database/all_matroids/allr2n02.txt
diff --git a/src/sage/ext_data/matroids/database/all_matroids/allr2n03.txt b/src/sage/ext_data/matroids/database/all_matroids/allr2n03.txt
diff --git a/src/sage/ext_data/matroids/database/all_matroids/allr2n04.txt b/src/sage/ext_data/matroids/database/all_matroids/allr2n04.txt
diff --git a/src/sage/ext_data/matroids/database/all_matroids/allr2n05.txt b/src/sage/ext_data/matroids/database/all_matroids/allr2n05.txt
diff --git a/src/sage/ext_data/matroids/database/all_matroids/allr2n06.txt b/src/sage/ext_data/matroids/database/all_matroids/allr2n06.txt
diff --git a/src/sage/ext_data/matroids/database/all_matroids/allr2n07.txt b/src/sage/ext_data/matroids/database/all_matroids/allr2n07.txt
diff --git a/src/sage/ext_data/matroids/database/all_matroids/allr2n08.txt b/src/sage/ext_data/matroids/database/all_matroids/allr2n08.txt
diff --git a/src/sage/ext_data/matroids/database/all_matroids/allr2n09.txt b/src/sage/ext_data/matroids/database/all_matroids/allr2n09.txt