chore: prevent normalization of semver versioning (googleapis#309)

* chore: prevent normalization of semver versioning * chore: update workaround to make sic work

Author: dandhlee

setup.py

@@ -17,6 +17,21 @@
 
 import setuptools
 
+# Disable version normalization performed by setuptools.setup()
+try:
+ # Try the approach of using sic(), added in setuptools 46.1.0
+ from setuptools import sic
+except ImportError:
+ # Try the approach of replacing packaging.version.Version
+ sic = lambda v: v
+ try:
+ # setuptools >=39.0.0 uses packaging from setuptools.extern
+ from setuptools.extern import packaging
+ except ImportError:
+ # setuptools <39.0.0 uses packaging from pkg_resources.extern
+ from pkg_resources.extern import packaging
+ packaging.version.Version = packaging.version.LegacyVersion
+
 
 # Package metadata.
 
@@ -69,7 +84,7 @@
 
 setuptools.setup(
  name=name,
- version=version,
+ version=sic(version),
  description=description,
  long_description=readme,
  author="Google LLC",