Fix(sqlglotc): pin sqlglot to the exact matching version

Author: georgesittas

sqlglotc/pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "sqlglotc"
-dynamic = ["version"]
+dynamic = ["version", "dependencies"]
 description = "mypyc-compiled extensions for sqlglot"
 authors = [{ name = "Toby Mao", email = "toby.mao@gmail.com" }]
 license = "MIT"

sqlglotc/setup.py

@@ -128,9 +128,28 @@ def run(self):
             shutil.rmtree(local_sqlglot, ignore_errors=True)
 
 
+def _sqlglot_requirement():
+    """Pin sqlglot to the matching version so resolvers keep the two packages in lockstep."""
+    pkg_info = os.path.join(os.path.dirname(os.path.abspath(__file__)), "PKG-INFO")
+    if os.path.isfile(pkg_info):
+        # Building from an sdist: no git metadata; the released version is frozen in PKG-INFO.
+        with open(pkg_info, encoding="utf-8") as fd:
+            version = next(
+                (line.split(":", 1)[1].strip() for line in fd if line.startswith("Version:")), ""
+            )
+    else:
+        from setuptools_scm import get_version
+
+        version = get_version(root="..", relative_to=__file__, local_scheme="no-local-version")
+
+    # Dev builds have no matching sqlglot release on PyPI, so skip the pin.
+    return [] if not version or ".dev" in version else [f"sqlglot=={version}"]
+
+
 setup(
     name="sqlglotc",
     packages=[],
+    install_requires=_sqlglot_requirement(),
     ext_modules=mypycify(
         _source_paths(), opt_level=os.environ.get("MYPYC_OPT", "2"), separate=True, verbose=True
     ),