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authorTim Bird <tim.bird@sony.com>2020-02-24 18:34:41 -0700
committerJonathan Corbet <corbet@lwn.net>2020-03-02 13:08:11 -0700
commitc428cd52282dcc967b2a936d80f1eec4cb80d6d5 (patch)
treeca356f9778d57fcf568549dc71122deb8c5bf2f8 /scripts
parentae5977765acb25c1eafb348f81a6597cb7a88eba (diff)
downloadlinux-c428cd52282dcc967b2a936d80f1eec4cb80d6d5.tar.gz
scripts/sphinx-pre-install: add '-p python3' to virtualenv
With Ubuntu 16.04 (and presumably Debian distros of the same age),
the instructions for setting up a python virtual environment should
do so with the python 3 interpreter.  On these older distros, the
default python (and virtualenv command) might be python2 based.

Some of the packages that sphinx relies on are now only available
for python3.  If you don't specify the python3 interpreter for
the virtualenv, you get errors when doing the pip installs for
various packages

Fix this by adding '-p python3' to the virtualenv recommendation
line.

Signed-off-by: Tim Bird <tim.bird@sony.com>
Link: https://lore.kernel.org/r/1582594481-23221-1-git-send-email-tim.bird@sony.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/sphinx-pre-install17
1 files changed, 16 insertions, 1 deletions
diff --git a/scripts/sphinx-pre-install b/scripts/sphinx-pre-install
index a8f0c002a340..fa3fb05cd54b 100755
--- a/scripts/sphinx-pre-install
+++ b/scripts/sphinx-pre-install
@@ -701,11 +701,26 @@ sub check_needs()
 		} else {
 			my $rec_activate = "$virtenv_dir/bin/activate";
 			my $virtualenv = findprog("virtualenv-3");
+			my $rec_python3 = "";
 			$virtualenv = findprog("virtualenv-3.5") if (!$virtualenv);
 			$virtualenv = findprog("virtualenv") if (!$virtualenv);
 			$virtualenv = "virtualenv" if (!$virtualenv);
 
-			printf "\t$virtualenv $virtenv_dir\n";
+			my $rel = "";
+			if (index($system_release, "Ubuntu") != -1) {
+				$rel = $1 if ($system_release =~ /Ubuntu\s+(\d+)[.]/);
+				if ($rel && $rel >= 16) {
+					$rec_python3 = " -p python3";
+				}
+			}
+			if (index($system_release, "Debian") != -1) {
+				$rel = $1 if ($system_release =~ /Debian\s+(\d+)/);
+				if ($rel && $rel >= 7) {
+					$rec_python3 = " -p python3";
+				}
+			}
+
+			printf "\t$virtualenv$rec_python3 $virtenv_dir\n";
 			printf "\t. $rec_activate\n";
 			printf "\tpip install -r $requirement_file\n";
 			deactivate_help();