Simplify VersionInfo string conversion

Author: Cito

graphql/version.py

@@ -14,11 +14,7 @@ def __str__(self):
         v = f"{self.major}.{self.minor}.{self.micro}"
         level = self.releaselevel
         if level and level != "final":
-            {"alpha": "a", "beta": "b", "candidate": "c"}.get(level, level)
-            v += level
-            serial = self.serial
-            if serial:
-                v = f"{v}{serial}"
+            v = f"{v}{level[:1]}{self.serial}"
         return v
 
 

setup.py

@@ -24,6 +24,7 @@
     classifiers=[
         "Development Status :: 5 - Production/Stable",
         "Intended Audience :: Developers",
+        'Topic :: Software Development :: Libraries',
         "License :: OSI Approved :: MIT License",
         "Programming Language :: Python :: 3",
         "Programming Language :: Python :: 3.6",

tests/test_version.py

@@ -37,7 +37,7 @@ def test_version_info():
         if groups[3] is None:
             assert groups[4] is None
         else:
-            assert version_info.releaselevel == groups[3]
+            assert version_info.releaselevel[:1] == groups[3]
             assert version_info.serial == int(groups[4])
 
     def test_version_js():
@@ -54,5 +54,5 @@ def test_version_info_js():
         if groups[3] is None:
             assert groups[4] is None
         else:
-            assert version_info_js.releaselevel == groups[3]
+            assert version_info_js.releaselevel[:1] == groups[3]
             assert version_info_js.serial == int(groups[4])