[Git][ghc/ghc][wip/backports-9.8] users_guide: Restore compatibility with pre-packaging Python

[Ben Gamari (@bgamari)]

Ben Gamari pushed to branch wip/backports-9.8 at Glasgow Haskell Compiler / GHC


Commits:
e9d6f1d2 by Ben Gamari at 2023-08-09T01:37:21-04:00
users_guide: Restore compatibility with pre-packaging Python

The `packaging` package is not available in Ubuntu 18.04 or Debian 9.
Fall back to distutils in this case to avoid incurring an extra
dependency.

- - - - -


1 changed file:

- docs/users_guide/flags.py


Changes:

=====================================
docs/users_guide/flags.py
=====================================
@@ -50,7 +50,12 @@ import sphinx
 from sphinx import addnodes
 from sphinx.domains.std import GenericObject
 from sphinx.errors import SphinxError
-from packaging.version import parse
+try:
+    from packaging.version import parse as parse_version
+except ImportError as e:
+    # N.B. `packaging` is not available in Ubuntu 18.04 or Debian 9
+    from distutils import LooseVersion as parse_version
+
 from utils import build_table_from_list
 
 import os.path



View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/e9d6f1d294ae9a92b9469beacd3dda129bb8ee71

-- 
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/e9d6f1d294ae9a92b9469beacd3dda129bb8ee71
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