From d645d024244949a36713d1a8c401145a905e3130 Mon Sep 17 00:00:00 2001
From: Matthias Koeppe <mkoeppe@math.ucdavis.edu>
Date: Thu, 2 Jan 2025 18:41:01 -0800
Subject: [PATCH 1/2] setup.py: Declare extra 'passagemath'

---
 setup.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/setup.py b/setup.py
index 536994d..b63227f 100644
--- a/setup.py
+++ b/setup.py
@@ -38,4 +38,12 @@ def readfile(filename):
     setup_requires=['sage-package'],
     install_requires=['sage-package', 'networkx~=2.2'],
     python_requires='>=2.7',
+    extras_require={
+        'passagemath': [
+            'passagemath-combinat',
+            'passagemath-graphs',
+            'passagemath-modules',
+            'passagemath-repl',
+        ],
+    },
 )

From 2891bcc4ef5d095e108770c3446fc74b3f3ebbf3 Mon Sep 17 00:00:00 2001
From: Matthias Koeppe <mkoeppe@math.ucdavis.edu>
Date: Thu, 2 Jan 2025 18:41:07 -0800
Subject: [PATCH 2/2] tox.ini, _doctest_environment.py: New

---
 _doctest_environment.py |  3 +++
 tox.ini                 | 23 +++++++++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 _doctest_environment.py
 create mode 100644 tox.ini

diff --git a/_doctest_environment.py b/_doctest_environment.py
new file mode 100644
index 0000000..6971085
--- /dev/null
+++ b/_doctest_environment.py
@@ -0,0 +1,3 @@
+# Toplevel for doctesting with passagemath
+
+from sage.all__sagemath_modules import *
diff --git a/tox.ini b/tox.ini
new file mode 100644
index 0000000..3821b8c
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,23 @@
+[tox]
+envlist = passagemath
+
+[testenv:.pkg]
+passenv =
+    CPATH
+    LIBRARY_PATH
+
+[testenv:passagemath]
+usedevelop = True
+extras = passagemath
+
+passenv =
+    CPATH
+    LIBRARY_PATH
+
+setenv =
+    # For access to _doctest_environment.py
+    PYTHONPATH=.
+
+commands =
+    python -c 'import arithmat'
+    sage -tp --force-lib --environment=_doctest_environment arithmat