Deploy action-mypy to review this PR

Signed-off-by: Bernhard Kaindl <bernhardkaindl7@gmail.com>

.github/workflows/main.yml → .github/main.yml

@@ -14,16 +14,18 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        docker-image:  # See https://hub.docker.com/_/python/tags for images
-          - python:2.7.18-alpine3.11
-          - python:3.11.4-alpine3.18
-    container: ${{ matrix.docker-image }}
+        python-version: ['2.7', '3.11']
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
 
+      - name: Setup Python ${{matrix.python-version}} (without a container)
+        uses: LizardByte/setup-python-action@master
+        with:
+          python-version: ${{matrix.python-version}}
+
       - name: Install python 2 dependencies
-        if: ${{ startsWith(matrix.docker-image, 'python:2.7.18') }}
+        if: ${{ matrix.python-version == '2.7' }}
         run: pip install enum
 
       - name: Install dependencies
@@ -115,3 +117,45 @@ jobs:
 
       - name: quality-gate
         run: make quality-gate
+
+      # uses: tsuyoshicho/action-mypy@v3.13.0
+      - uses: bernhardkaindl/action-mypy@36cb3a857d01c1bdaa2811893106c71580132d71
+        with:
+          filter_mode: no_filter
+          setup_method: install
+          setup_command: pip install mypy mock
+          mypy_flags: |
+            --scripts-are-modules
+            --check-untyped-defs
+            --allow-redefinition
+            --hide-error-context
+            --ignore-missing-imports
+            --no-pretty
+            --warn-unreachable
+            --exclude ocaml/
+            --exclude scripts/examples
+            --exclude scripts/examples/python/monitor-unwanted-domains.py
+            --exclude scripts/scalability-tests/ping-master.py
+            --exclude scripts/backup-sr-metadata.py
+            --exclude scripts/restore-sr-metadata.py
+            --exclude scripts/nbd_client_manager.py
+            --config-file mypy.ini
+          target: |
+            scripts/perfmon
+            scripts/hfx_filename
+            scripts/mail-alarm
+            scripts/host-display
+          github_token: ${{ secrets.github_token }}
+          reporter: github-pr-review
+
+      - uses: dciborow/action-pylint@0.1.1
+        with:
+          filter_mode: no_filter
+          glob_pattern: "scripts/*"
+          pylint_args: |
+            --verbose
+            --disable=trailing-whitespace
+            --disable=bad-indentation
+            --rc .pylintrc
+          github_token: ${{ secrets.github_token }}
+          reporter: github-pr-review

.github/mypy.ini

@@ -0,0 +1,46 @@
+[mypy-XenAPI.*]
+# TODO/FIXME:
+disable_error_code = union-attr
+[mypy]
+# TODO/FIXME:
+exclude = (?x)(
+    ^ocaml/
+    | scripts/.*usb_scan.py
+    | scripts/examples
+    | scripts/examples/python/monitor-unwanted-domains.py
+    | scripts/scalability-tests/ping-master.py
+    | scripts/backup-sr-metadata.py
+    | scripts/restore-sr-metadata.py
+    | scripts/nbd_client_manager.py
+  )
+# Python scripts that don't end in .py must be given here:
+files =
+# TODO/FIXME: Test more scripts by default after those are fixed:
+    scripts/hfx_filename,
+    scripts/perfmon,
+    scripts/mail-alarm,
+    scripts/host-display,
+# TODO/FIXME:
+disable_error_code =
+    attr-defined,
+    import-not-found,
+    import-untyped,
+    type-arg,
+    var-annotated,
+mypy_path = scripts/examples/python:.:scripts:scripts/plugins:scripts/examples
+strict_equality = true
+show_error_codes = true
+show_error_context = true
+# Check the contents of untyped functions in all modules by default:
+check_untyped_defs = true
+scripts_are_modules = true
+# TODO/FIXME: mypy does not support targetting 3.6 anymore:
+python_version = 3.8
+warn_return_any = true
+warn_unreachable = true
+warn_unused_configs = true
+warn_redundant_casts = true
+disallow_any_explicit = false
+disallow_any_generics = true
+disallow_any_unimported = true
+disallow_subclassing_any = true

.github/workflows/python-code-review.yml

@@ -0,0 +1,59 @@
+name: Python Code Review
+on: [pull_request]
+
+# Cancel a currently running workflow from the same PR, branch or tag when
+# a new workflow is triggered:
+# https://stackoverflow.com/questions/66335225/how-to-cancel-previous-runs-in-the-pr-when-you-push-new-commitsupdate-the-curre
+concurrency:
+  cancel-in-progress: true
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+
+jobs:
+  python-code-review:
+    name: Python Code Review
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0  # Needed to get the changed lines: origin/master..HEAD
+
+      - name: Setup Python 3.11
+        uses: LizardByte/setup-python-action@master
+        with:
+          python-version: 3.11
+
+      # uses: tsuyoshicho/action-mypy@v3.13.0
+      - uses: bernhardkaindl/action-mypy@36cb3a857d01c1bdaa2811893106c71580132d71
+        with:
+          filter_mode: nofilter
+          setup_method: install
+          setup_command: pip install mypy mock
+          mypy_flags: |
+            --scripts-are-modules
+            --check-untyped-defs
+            --allow-redefinition
+            --ignore-missing-imports
+            --no-pretty
+            --warn-unreachable
+            --exclude ocaml/
+            --exclude scripts/examples
+            --exclude scripts/examples/python/monitor-unwanted-domains.py
+            --exclude scripts/scalability-tests/ping-master.py
+            --exclude scripts/backup-sr-metadata.py
+            --exclude scripts/restore-sr-metadata.py
+            --exclude scripts/nbd_client_manager.py
+          target: |
+            scripts/perfmon
+            scripts/hfx_filename
+            scripts/mail-alarm
+            scripts/host-display
+          github_token: ${{ secrets.github_token }}
+          reporter: github-pr-review
+
+      - uses: dciborow/action-pylint@0.1.1
+        with:
+          filter_mode: nofilter
+          glob_pattern: "scripts/*"
+          github_token: ${{ secrets.github_token }}
+          reporter: github-pr-review

.pylintrc

@@ -0,0 +1,75 @@
+[MAIN]
+
+# Use multiple processes to speed up Pylint. Specifying 0 will auto-detect the
+# number of processors available to use, and will cap the count on Windows to
+# avoid hangs.
+jobs=2
+
+# Pickle collected data for later comparisons.
+persistent=yes
+
+# Discover python modules and packages in the file system subtree.
+recursive=yes
+
+# Add paths to the list of the source roots. Supports globbing patterns. The
+# source root is an absolute path or a path relative to the current working
+# directory used to determine a package namespace for modules located under the
+# source root.
+source-roots=
+    ocaml/xapi-storage/python,
+    scripts,
+    scripts/examples/python,
+
+# When enabled, pylint would attempt to guess common misconfiguration and emit
+# user-friendly hints instead of false-positive error messages.
+suggestion-mode=yes
+
+# In verbose mode, extra non-checker-related info will be displayed.
+verbose=yes
+
+[MESSAGES CONTROL]
+
+# Disable the message, report, category or checker with the given id(s). You
+# can either give multiple identifiers separated by comma (,) or put this
+# option multiple times (only on the command line, not in the configuration
+# file where it should appear only once). You can also use "--disable=all" to
+# disable everything first and then re-enable specific checks. For example, if
+# you want to run only the similarities checker, you can use "--disable=all
+# --enable=similarities". If you want to run only the classes checker, but have
+# no Warning level messages displayed, use "--disable=all --enable=classes
+# --disable=W".
+disable=
+    bad-option-value, # old pylint for py2: ignore newer (unknown) pylint options
+    bad-continuation, # old pylint warns about some modern black formatting
+    bad-indentation,
+    consider-using-dict-comprehension,
+    consider-using-f-string,
+    consider-using-with,
+    import-error,
+    import-outside-toplevel,
+    invalid-name,
+    missing-final-newline,
+    missing-function-docstring,
+    multiple-imports,
+    redefined-outer-name,
+    trailing-whitespace,  # enable this soon, after citical PRs are merged
+    useless-option-value, # new pylint has abaondoned these old options
+
+[FORMAT]
+
+# Maximum number of characters on a single line.
+max-line-length=98
+
+[BASIC]
+
+# Good variable names which should always be accepted, separated by a comma.
+good-names=a,
+           b,
+           c,
+           f,
+           i,
+           j,
+           k,
+           ex,
+           Run,
+           _