From: whitequark <whitequark@whitequark.org>
Date: Wed, 1 Jul 2020 21:04:04 +0000 (+0000)
Subject: setup: gracefully recover from missing setuptools_scm.
X-Git-Tag: 24jan2021_ls180~50
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ba1b4c20c83e1c0a1a5ac9387f9aa105f46e14c1;p=nmigen.git

setup: gracefully recover from missing setuptools_scm.
---

diff --git a/setup.py b/setup.py
index 19f2518..99ae4c9 100644
--- a/setup.py
+++ b/setup.py
@@ -1,5 +1,4 @@
 from setuptools import setup, find_packages
-from setuptools_scm.git import parse as parse_git
 
 
 def scm_version():
@@ -16,6 +15,11 @@ def scm_version():
 
 
 def doc_version():
+    try:
+        from setuptools_scm.git import parse as parse_git
+    except ImportError:
+        return ""
+
     git = parse_git(".")
     if git.exact:
         return git.format_with("{tag}")