Added action to check isort

Author: sergioteula

.github/workflows/lint-and-test.yml

@@ -0,0 +1,16 @@
+name: Lint and test
+
+on:
+  push:
+
+jobs:
+
+  isort:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Check out code
+      uses: actions/checkout@v2
+
+    - name: Check imports order
+      uses: sergioteula/pytools
+      run: ./scripts/check_isort

.shellcheckrc

@@ -0,0 +1,3 @@
+# ~/.shellcheckrc
+
+disable=SC1091

scripts/check_isort

@@ -0,0 +1,13 @@
+#! /bin/bash -e
+
+ROOT_DIR="$(git rev-parse --show-toplevel)"
+source "${ROOT_DIR}/scripts/helpers"
+
+if [ -n "$(check_if_installed docker)" ]; then
+    docker run -v "${PWD}:/code" sergioteula/pytools isort -c .
+elif [ -n "$(check_if_installed isort)" ]; then
+    isort -c .
+else
+    echo "Please install Docker or isort"
+    exit 1
+fi

scripts/helpers

@@ -0,0 +1,7 @@
+#! /bin/bash -e
+
+check_if_installed() {
+    if [ -x "$(command -v "${1}")" ]; then
+        echo "${1} is installed"
+    fi
+}