build: Use git tags for versioningHEAD0.23.0master

Replace setup.py metadata with pyproject.toml and derive version from
git tags with setuptools-scm. Adds git archive support for
setuptools-scm version detection.

3 files changed, 69 insertions, 0 deletions

diff --git a/ouroboros/__init__.py b/ouroboros/__init__.py
new file mode 100644
index 0000000..6034f7d
--- /dev/null
+++ b/ouroboros/__init__.py
@@ -0,0 +1,21 @@
+#
+# Ouroboros - Copyright (C) 2016 - 2026
+#
+# Python API for Ouroboros
+#
+#    Dimitri Staessens <dimitri@ouroboros.rocks>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public License
+# version 2.1 as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., http://www.fsf.org/about/contact/.
+#
+
diff --git a/ouroboros/dev.py b/ouroboros/dev.py
index a2b58cf..d36a3ef 100644
--- a/ouroboros/dev.py
+++ b/ouroboros/dev.py
@@ -27,6 +27,30 @@ from typing import Optional
 from _ouroboros_dev_cffi import ffi, lib
 from ouroboros.qos import *
 
+
+def _check_ouroboros_version():
+    ouro_major = lib.OUROBOROS_VERSION_MAJOR
+    ouro_minor = lib.OUROBOROS_VERSION_MINOR
+    try:
+        from importlib.metadata import version, PackageNotFoundError
+        try:
+            pyouro_parts = version('PyOuroboros').split('.')
+        except PackageNotFoundError:
+            return  # running from source, skip check
+        if ouro_major != int(pyouro_parts[0]) or \
+                ouro_minor != int(pyouro_parts[1]):
+            raise RuntimeError(
+                f"Ouroboros version mismatch: library is "
+                f"{ouro_major}.{ouro_minor}, "
+                f"pyouroboros is "
+                f"{pyouro_parts[0]}.{pyouro_parts[1]}"
+            )
+    except ImportError:
+        pass  # Python < 3.8
+
+
+_check_ouroboros_version()
+
 # Some constants
 MILLION = 1000 * 1000
 BILLION = 1000 * 1000 * 1000
diff --git a/ouroboros/irm.py b/ouroboros/irm.py
index 1e4fc2e..5c23aaa 100644
--- a/ouroboros/irm.py
+++ b/ouroboros/irm.py
@@ -26,6 +26,30 @@ from _ouroboros_irm_cffi import ffi, lib
 from ouroboros.qos import QoSSpec
 
 
+def _check_ouroboros_version():
+    ouro_major = lib.OUROBOROS_VERSION_MAJOR
+    ouro_minor = lib.OUROBOROS_VERSION_MINOR
+    try:
+        from importlib.metadata import version, PackageNotFoundError
+        try:
+            pyouro_parts = version('PyOuroboros').split('.')
+        except PackageNotFoundError:
+            return  # running from source, skip check
+        if ouro_major != int(pyouro_parts[0]) or \
+                ouro_minor != int(pyouro_parts[1]):
+            raise RuntimeError(
+                f"Ouroboros version mismatch: library is "
+                f"{ouro_major}.{ouro_minor}, "
+                f"pyouroboros is "
+                f"{pyouro_parts[0]}.{pyouro_parts[1]}"
+            )
+    except ImportError:
+        pass  # Python < 3.8
+
+
+_check_ouroboros_version()
+
+
 # Intentionally duplicated: irm uses a separate FFI (ouroboros-irm).
 def _qos_to_qosspec(qos: QoSSpec):
     if qos is None: