Extract isort and black

isort-and-black.sh

@@ -0,0 +1,43 @@
+#!/bin/bash 
+
+set -uo pipefail
+IFS=$'\n\t'
+
+DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+source "$DIR/_reformat-common.bash"
+
+file="$1"
+
+if [[ x"$WOULD_REFORMAT" = x"would_reformat" ]] ; then
+    out1=$(pipx run isort $file 2>/dev/null)
+    c1="$?"
+
+    if [[ x"$c1" != x"0" ]] ; then
+        # would reorder imports
+        if [[ x"$c1" = x"1" ]] ; then
+            exit 1
+        fi
+        # syntax error; 123 is normalized to 2
+        if [[ x"$c1" = x"123" ]] ; then
+            exit 2
+        fi
+        # some other problem that we don't know how to handle
+        exit 255
+    fi
+
+    out2=$(pipx run black --check $file 2>/dev/null)
+    c2="$?"
+
+    exit "$c2"
+fi
+
+if [[ x"$WOULD_REFORMAT" = x"do_reformat" ]] ; then
+    out1=$(pipx run black $1 2>/dev/null && pipx run isort $file 2>/dev/null)
+    c="$?"
+
+    exit "$c"
+fi
+
+exit 255
+