DM-38499: Fix minor ruff issue and re-enable tests

.github/workflows/do_not_merge.yaml

@@ -0,0 +1,41 @@
+name: "Check commits can be merged"
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  do-not-merge-checker:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check that there are no commits that should not be merged
+        uses: gsactions/commit-message-checker@v2
+        with:
+          excludeDescription: "true"  # optional: this excludes the description body of a pull request
+          excludeTitle: "true"  # optional: this excludes the title of a pull request
+          checkAllCommitMessages: "true"  # optional: this checks all commits associated with a pull request
+          accessToken: ${{ secrets.GITHUB_TOKEN }}  # github access token is only required if checkAllCommitMessages is true
+          # Check for message indicating that there is a commit that should
+          # not be merged.
+          pattern: ^(?!DO NOT MERGE)
+          flags: "i"
+          error: |
+            "This step failed because there is a commit containing the text
+            'DO NOT MERGE'. Remove this commit from the branch before merging
+            or change the commit summary."
+
+      - uses: actions/checkout@v3
+
+      - name: Check requirements.txt for branches
+        shell: bash
+        run: |
+          FILE=requirements.txt
+          MATCH=tickets/DM-
+          if grep -q $MATCH $FILE
+          then
+            echo "Ticket branches found in $FILE:"
+            grep -n $MATCH $FILE
+            exit 1
+          fi

.github/workflows/lint.yaml

@@ -9,3 +9,8 @@ on:
 jobs:
   call-workflow:
     uses: lsst/rubin_workflows/.github/workflows/lint.yaml@main
+  ruff:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: chartboost/ruff-action@v1

.github/workflows/rebase_checker.yaml

@@ -1,4 +1,3 @@
----
 name: Check that 'main' is not merged into the development branch
 
 on: pull_request

.gitignore

@@ -1,5 +1,6 @@
 python/lsst/ctrl/bps/parsl/version.py
 .sconsign.dblite
+_build.*
 
 # Byte-compiled / optimized / DLL files
 __pycache__/

tests/test_config.py

@@ -1,15 +1,12 @@
-import pytest
+from lsst.ctrl.bps import BpsConfig
+from lsst.ctrl.bps.parsl.configuration import get_bps_config_value
 from lsst.daf.butler import Config
 
 
-@pytest.mark.skip(reason="parsl not in LSST environment")
 def test_config():
     """Super-basic test of configuration reading
 
     This is intended as a test of testing more than anything else.
     """
-    from lsst.ctrl.bps import BpsConfig
-    from lsst.ctrl.bps.parsl.configuration import get_bps_config_value
-
     config = BpsConfig(Config.fromString("foo: bar"))  # BpsConfig doesn't work directly with fromString
     assert get_bps_config_value(config, "foo", str) == "bar"

tests/test_import.py

@@ -1,6 +1,3 @@
-import pytest
-
-
-@pytest.mark.skip(reason="parsl not in LSST environment")
 def test_import():
+    """Simple test that the package can be imported."""
     import lsst.ctrl.bps.parsl  # noqa