[Python-modules-commits] [ipywidgets] 01/01: Also test for missing notebook.nbextensions in prerm

[Gordon Ball]

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chronitis-guest pushed a commit to branch master
in repository ipywidgets.

commit e1300ef1d858b07a52e32467a49b04b81e3069d7
Author: Gordon Ball <gordon at chronitis.net>
Date:   Sat Jan 7 14:28:41 2017 +0100

    Also test for missing notebook.nbextensions in prerm
---
 debian/jupyter-nbextension-jupyter-js-widgets.prerm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/debian/jupyter-nbextension-jupyter-js-widgets.prerm b/debian/jupyter-nbextension-jupyter-js-widgets.prerm
index 0525bf3..92e4615 100644
--- a/debian/jupyter-nbextension-jupyter-js-widgets.prerm
+++ b/debian/jupyter-nbextension-jupyter-js-widgets.prerm
@@ -22,8 +22,12 @@ case "$1" in
     remove|upgrade|deconfigure)
         if python3 -c "import notebook.nbextensions" 2>/dev/null; then
             PYTHON=python3
-        else
+        elif python -c "import notebook.nbextensions" 2>/dev/null; then
             PYTHON=python
+        else
+            echo >&2 "notebook.nbextensions unavailable for either python or python3"
+            echo >&2 "the jupyter-js-widgets notebook extension will not be disabled"
+            PYTHON=/bin/true
         fi
         $PYTHON -m notebook.nbextensions disable --sys-prefix jupyter-js-widgets/extension
     ;;

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