feat: load substrait_version dynamically

Author: vbarua

src/substrait/builders/plan.py

@@ -25,7 +25,7 @@
     merge_extension_uris,
     merge_extension_urns,
 )
-from substrait.version import __substrait_version__
+from substrait.version import substrait_version
 
 UnboundPlan = Callable[[ExtensionRegistry], stp.Plan]
 
@@ -34,7 +34,7 @@
 
 def _create_default_version():
     p = re.compile(r"(\d+)\.(\d+)\.(\d+)")
-    m = p.match(__substrait_version__)
+    m = p.match(substrait_version)
     global default_version
     default_version = stp.Version(
         major_number=int(m.group(1)),

src/substrait/version.py

@@ -1,3 +1,3 @@
-__substrait_version__ = "0.79.0"
-__substrait_hash__ = "92d2e75"
-__minimum_substrait_version__ = "0.30.0"
+from importlib.metadata import version
+
+substrait_version = version("substrait-protobuf")