Simplify __version__.

anntzer · anntzer · commit 293653361d70 · 2020-01-23T12:31:25.000+01:00
diff --git a/lib/.gitignore b/lib/.gitignore
diff --git a/lib/ipython_autoimport.py b/lib/ipython_autoimport.py
@@ -19,15 +19,16 @@
 from IPython.utils import PyColorize
 
 try:
-    import setuptools_scm
-    __version__ = setuptools_scm.get_version(  # xref setup.py
-        root="../..", relative_to=__file__,
-        version_scheme="post-release", local_scheme="node-and-date")
-except (ImportError, LookupError):
+    import importlib.metadata as importlib_metadata
+except ImportError:
     try:
-        from _ipython_autoimport_version import version as __version__
+        import importlib_metadata
     except ImportError:
-        pass
+        importlib_metadata = None
+try:
+    __version__ = importlib_metadata.version("ipython-autoimport")
+except (AttributeError, ImportError):  # AttrError if i_m is missing.
+    __version__ = "(unknown version)"
 
 
 def _get_import_cache(ipython):
diff --git a/setup.py b/setup.py
@@ -21,9 +21,9 @@
     use_scm_version=lambda: {
         "version_scheme": "post-release",
         "local_scheme": "node-and-date",
-        "write_to": "lib/_ipython_autoimport_version.py",
     },
     install_requires=[
         "ipython>=4.1",  # IPython#8985 is needed for tests to pass(?).
+        "importlib_metadata; python_version<'3.8'",
     ],
 )
