Pin Python 3.11 in CI and drop strict per-version defaults

Author: psousa50

.github/workflows/main.yml

@@ -20,6 +20,10 @@ jobs:
     steps:
       - uses: "actions/checkout@v2"
 
+      - uses: "actions/setup-python@v5"
+        with:
+          python-version: "3.11"
+
       - name: test snowflake
         run: ./run-all-integration-tests.sh snowflake
 
@@ -30,6 +34,10 @@ jobs:
     steps:
       - uses: "actions/checkout@v2"
 
+      - uses: "actions/setup-python@v5"
+        with:
+          python-version: "3.11"
+
       - id: "auth"
         name: "Authenticate to Google Cloud"
         uses: "google-github-actions/auth@v0"
@@ -64,6 +72,10 @@ jobs:
     steps:
       - uses: "actions/checkout@v2"
 
+      - uses: "actions/setup-python@v5"
+        with:
+          python-version: "3.11"
+
       - name: test postgres
         run: ./run-all-integration-tests.sh postgres
 
@@ -89,5 +101,9 @@ jobs:
     steps:
       - uses: "actions/checkout@v2"
 
+      - uses: "actions/setup-python@v5"
+        with:
+          python-version: "3.11"
+
       - name: test postgres
         run: ./run-all-jaffle-shop-tests.sh postgres

.github/workflows/pr_integration_tests.yml

@@ -21,6 +21,10 @@ jobs:
         with:
           ref: ${{ github.event.pull_request.head.sha }}
 
+      - uses: "actions/setup-python@v5"
+        with:
+          python-version: "3.11"
+
       - name: test snowflake
         run: ./run-all-integration-tests.sh snowflake
 
@@ -34,6 +38,10 @@ jobs:
         with:
           ref: ${{ github.event.pull_request.head.sha }}
 
+      - uses: "actions/setup-python@v5"
+        with:
+          python-version: "3.11"
+
       - id: "auth"
         name: "Authenticate to Google Cloud"
         uses: "google-github-actions/auth@v0"
@@ -71,6 +79,10 @@ jobs:
         with:
           ref: ${{ github.event.pull_request.head.sha }}
 
+      - uses: "actions/setup-python@v5"
+        with:
+          python-version: "3.11"
+
       - name: test postgres
         run: ./run-all-integration-tests.sh postgres
 
@@ -99,6 +111,10 @@ jobs:
         with:
           ref: ${{ github.event.pull_request.head.sha }}
 
+      - uses: "actions/setup-python@v5"
+        with:
+          python-version: "3.11"
+
       - name: test postgres
         run: ./run-all-jaffle-shop-tests.sh postgres
 

run-tests-on-dbt-version.sh

@@ -28,13 +28,8 @@ VENV_NAME="venv-$PROFILE"
 VENV_FOLDER="$SCRIPT_DIR/$VENV_NAME"
 
 DBT_MINOR=$(echo "$DBT_VERSION" | awk -F. '{print $1 "_" $2}')
-case "$DBT_MINOR" in
-  1_3) DEFAULT_PYTHON=python3.10 ;;
-  1_4|1_5|1_7) DEFAULT_PYTHON=python3.11 ;;
-  *) DEFAULT_PYTHON=python3 ;;
-esac
 PYTHON_VAR="PYTHON_${DBT_MINOR}"
-PYTHON_BIN="${!PYTHON_VAR:-${PYTHON:-$DEFAULT_PYTHON}}"
+PYTHON_BIN="${!PYTHON_VAR:-${PYTHON:-python3}}"
 
 if ! command -v "$PYTHON_BIN" >/dev/null 2>&1; then
   echo "Error: '$PYTHON_BIN' (selected for dbt $DBT_VERSION) not found on PATH."