Use miniver again

dev/release/release_tools.py

@@ -84,11 +84,11 @@ def set_python_dev_version_command(args):
     _, last_dev_tag = find_last_dev_tag()
     dev_distance = len(find_commits_since(last_dev_tag))
 
-    config_file = src_path("python", "meson.build")
+    version_file = src_path("python", "src", "nanoarrow", "_static_version.py")
     file_regex_replace(
         r'"([0-9]+\.[0-9]+\.[0-9]+)\.dev[0-9]+"',
         f'"\\1.dev{dev_distance}"',
-        config_file,
+        version_file,
     )
 
 

dev/release/utils-prepare.sh

@@ -52,10 +52,10 @@ update_versions() {
   git add DESCRIPTION
   popd
 
-  pushd "${NANOARROW_DIR}/python/"
-  sed -i.bak -E "s/version = '.+'/version = '${python_version}'/" meson.build
-  rm meson.build.bak
-  git add meson.build
+  pushd "${NANOARROW_DIR}/python/src/nanoarrow"
+  sed -i.bak -E "s/version = \".+\"/version = \"${python_version}\"/" _static_version.py
+  rm _static_version.py.bak
+  git add _static_version.py
   popd
 }
 

python/meson.build

@@ -18,7 +18,7 @@
 project(
     'nanoarrow',
     'c', 'cython',
-    version: '0.7.0.dev0',
+    version: run_command(['src/nanoarrow/_version.py', '--print'], check: true).stdout().strip(),
     license: 'Apache-2.0',
     meson_version: '>=1.2.0',
     default_options: [

python/src/nanoarrow/__init__.py

@@ -24,8 +24,6 @@
 Arrow C Data and Arrow C Stream interfaces.
 """
 
-import importlib.metadata
-
 from nanoarrow._utils import c_version
 from nanoarrow.c_array import c_array_from_buffers, c_array
 from nanoarrow.c_array_stream import c_array_stream
@@ -77,8 +75,8 @@
 from nanoarrow.array import array, Array
 from nanoarrow.array_stream import ArrayStream
 from nanoarrow.visitor import nulls_as_sentinel, nulls_forbid, nulls_separate
+from nanoarrow._version import __version__  # noqa: F401
 
-__version__ = importlib.metadata.version("nanoarrow")
 
 # Helps Sphinx automatically populate an API reference section
 __all__ = [

python/src/nanoarrow/_static_version.py

@@ -0,0 +1,25 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+# This file is part of 'miniver': https://github.com/jbweston/miniver
+
+# Replaced by version-bumping scripts at release time
+version = "0.7.0.dev0"
+
+# These values are only set if the distribution was created with 'git archive'
+refnames = "$Format:%D$"
+git_hash = "$Format:%h$"

python/src/nanoarrow/_version.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python3
+
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+# This file is part of 'miniver': https://github.com/jbweston/miniver
+
+import os
+
+# No public API
+__all__ = []
+
+package_root = os.path.dirname(os.path.realpath(__file__))
+package_name = os.path.basename(package_root)
+
+STATIC_VERSION_FILE = "_static_version.py"
+
+
+def get_version(version_file=STATIC_VERSION_FILE):
+    override = os.environ.get("SETUPTOOLS_SCM_PRETEND_VERSION")
+    if override is not None and override != "":
+        return override
+    version_info = get_static_version_info(version_file)
+    version = version_info["version"]
+    return version
+
+
+def get_static_version_info(version_file=STATIC_VERSION_FILE):
+    version_info = {}
+    with open(os.path.join(package_root, version_file), "rb") as f:
+        exec(f.read(), {}, version_info)
+    return version_info
+
+
+__version__ = get_version()
+
+if __name__ == "__main__":
+    print(get_version())

python/src/nanoarrow/meson.build

@@ -93,6 +93,8 @@ endforeach
 
 py_sources = [
     '__init__.py',
+    '_static_version.py',
+    '_version.py',
     'array.py',
     'array_stream.py',
     'c_array.py',