chore: Add github action, pin hatch version

.github/workflows/ci.yml

@@ -42,7 +42,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install Hatch 
       run: |
-        python -m pip install hatch==1.15.0
+        python -m pip install hatch==1.16.5
     - name: static analysis
       run: hatch fmt --check
     - name: type checking

.github/workflows/integration-tests.yml

@@ -42,7 +42,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
 
     - name: Install Hatch
-      run: python -m pip install hatch==1.15.0
+      run: python -m pip install hatch==1.16.5
 
     - name: Setup and run Testing SDK
       working-directory: testing-sdk
@@ -102,7 +102,7 @@ jobs:
       env:
         AWS_DURABLE_SDK_URL: file://${{ github.workspace }}/language-sdk
       run: |
-        pip install hatch==1.15.0
+        pip install hatch==1.16.5
         python -m pip install -e .
 
     - name: Get integration examples

.github/workflows/notify_slack.yml

@@ -0,0 +1,39 @@
+name: Slack Notifications
+
+on:
+  issues:
+    types: [opened, reopened, edited]
+  pull_request_target:
+    types: [opened, reopened, synchronize]
+
+permissions: {}
+
+jobs:
+  notify:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Send issue notification to Slack
+        if: github.event_name == 'issues'
+        uses: slackapi/slack-github-action@v2.1.1
+        with:
+          webhook: ${{ secrets.SLACK_WEBHOOK_URL_ISSUE }}
+          webhook-type: incoming-webhook
+          payload: |
+            {
+              "action": "${{ github.event.action }}",
+              "issue_url": "${{ github.event.issue.html_url }}",
+              "package_name": "${{ github.repository }}"
+            }
+
+      - name: Send pull request notification to Slack
+        if: github.event_name == 'pull_request_target'
+        uses: slackapi/slack-github-action@v2.1.1
+        with:
+          webhook: ${{ secrets.SLACK_WEBHOOK_URL_PR }}
+          webhook-type: incoming-webhook
+          payload: |
+            {
+              "action": "${{ github.event.action }}",
+              "pr_url": "${{ github.event.pull_request.html_url }}",
+              "package_name": "${{ github.repository }}"
+            }

.github/workflows/pypi-publish.yml

@@ -27,7 +27,7 @@ jobs:
           python-version: "3.11"
       - name: Install Hatch 
         run: |
-          python -m pip install --upgrade hatch==1.15.0
+          python -m pip install --upgrade hatch==1.16.5
       - name: Build release distributions
         run: |
           # NOTE: put your own distribution build steps here.

.github/workflows/sync-package.yml

@@ -27,7 +27,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Install Hatch
         run: |
-          python -m pip install --upgrade hatch==1.15.0
+          python -m pip install --upgrade hatch==1.16.5
       - name: Build distribution
         run: hatch build
       - name: configure aws credentials

pyproject.toml

@@ -62,9 +62,16 @@ exclude_lines = ["no cov", "if __name__ == .__main__.:", "if TYPE_CHECKING:"]
 
 [tool.ruff]
 line-length = 88
+target-version = "py313"
 
 [tool.ruff.lint]
 preview = true
+select = ["TID252"]  # Enforce absolute imports (ban relative imports)
+
+[tool.ruff.lint.isort]
+known-first-party = ["aws_durable_execution_sdk_python"]
+force-single-line = false
+lines-after-imports = 2
 
 [tool.ruff.lint.per-file-ignores]
 "tests/**" = [

src/aws_durable_execution_sdk_python/serdes.py

@@ -316,11 +316,7 @@ def encode(self, obj: Any) -> EncodedValue:
     def decode(self, tag: TypeTag, value: Any) -> Any:
         match tag:
             case (
-                TypeTag.NONE
-                | TypeTag.STR
-                | TypeTag.BOOL
-                | TypeTag.INT
-                | TypeTag.FLOAT
+                TypeTag.NONE | TypeTag.STR | TypeTag.BOOL | TypeTag.INT | TypeTag.FLOAT
             ):
                 return self.primitive_codec.decode(tag, value)
             case TypeTag.BYTES:

tests/concurrency_test.py

@@ -2833,9 +2833,9 @@ def task_func(ctx, item, idx, items):
     # With tolerated_failure_count=1, executor stops when failure_count > 1 (at 2 failures)
     # Executor terminates early rather than executing all 100 tasks
     assert executed_count["value"] < 100
-    assert (
-        result.completion_reason == CompletionReason.FAILURE_TOLERANCE_EXCEEDED
-    ), executed_count
+    assert result.completion_reason == CompletionReason.FAILURE_TOLERANCE_EXCEEDED, (
+        executed_count
+    )
     assert sum(1 for item in result.all if item.status == BatchItemStatus.FAILED) == 2
     assert (
         sum(1 for item in result.all if item.status == BatchItemStatus.SUCCEEDED) < 98
@@ -2965,9 +2965,9 @@ def slow_branch():
 
     # Slow branch may or may not have started (depends on thread scheduling)
     # but it definitely should not have completed
-    assert (
-        operation_tracker.slow_completed.call_count == 0
-    ), "Executor should return before slow branch completes"
+    assert operation_tracker.slow_completed.call_count == 0, (
+        "Executor should return before slow branch completes"
+    )
 
     # Result should show MIN_SUCCESSFUL_REACHED
     assert result.completion_reason == CompletionReason.MIN_SUCCESSFUL_REACHED
@@ -3019,9 +3019,9 @@ def slow_func():
     result = executor.execute(execution_state, executor_context)
 
     # Executor should have returned before slow branch completed
-    assert (
-        not slow_branch_mock.completed.called
-    ), "Executor should return before slow branch completes"
+    assert not slow_branch_mock.completed.called, (
+        "Executor should return before slow branch completes"
+    )
 
     # Result should show MIN_SUCCESSFUL_REACHED
     assert result.completion_reason == CompletionReason.MIN_SUCCESSFUL_REACHED

tests/operation/wait_for_condition_test.py

@@ -662,9 +662,9 @@ def wait_strategy(state, attempt):
         context_logger=mock_logger,
     )
 
-    assert (
-        captured_attempts[-1] == 2
-    ), "After first retry (checkpoint.attempt=1), current attempt should be 2"
+    assert captured_attempts[-1] == 2, (
+        "After first retry (checkpoint.attempt=1), current attempt should be 2"
+    )
 
     # Test 3: After second retry (checkpoint has attempt=2)
     operation = Operation(
@@ -684,9 +684,9 @@ def wait_strategy(state, attempt):
         context_logger=mock_logger,
     )
 
-    assert (
-        captured_attempts[-1] == 3
-    ), "After second retry (checkpoint.attempt=2), current attempt should be 3"
+    assert captured_attempts[-1] == 3, (
+        "After second retry (checkpoint.attempt=2), current attempt should be 3"
+    )
 
     # Test 4: After third retry (checkpoint has attempt=3)
     operation = Operation(
@@ -706,9 +706,9 @@ def wait_strategy(state, attempt):
         context_logger=mock_logger,
     )
 
-    assert (
-        captured_attempts[-1] == 4
-    ), "After third retry (checkpoint.attempt=3), current attempt should be 4"
+    assert captured_attempts[-1] == 4, (
+        "After third retry (checkpoint.attempt=3), current attempt should be 4"
+    )
 
     # Verify the complete sequence is monotonically increasing
     assert captured_attempts == [

tests/state_test.py

@@ -608,9 +608,9 @@ def test_checkpointed_result_is_timed_out_false_for_other_statuses():
             status=status,
         )
         result = CheckpointedResult.create_from_operation(operation)
-        assert (
-            result.is_timed_out() is False
-        ), f"is_timed_out should be False for status {status}"
+        assert result.is_timed_out() is False, (
+            f"is_timed_out should be False for status {status}"
+        )
 
 
 def test_fetch_paginated_operations_with_marker():
@@ -2535,9 +2535,9 @@ def test_create_checkpoint_is_sync_false_returns_immediately():
     elapsed_time = time.time() - start_time
 
     # Verify it returns immediately (should be < 10ms, we allow 50ms for safety)
-    assert (
-        elapsed_time < 0.05
-    ), f"Async checkpoint took {elapsed_time:.3f}s, expected < 0.05s"
+    assert elapsed_time < 0.05, (
+        f"Async checkpoint took {elapsed_time:.3f}s, expected < 0.05s"
+    )
 
     # Verify operation was enqueued
     assert state._checkpoint_queue.qsize() == 1
@@ -3115,9 +3115,9 @@ def background_processor():
     # Verify all calls blocked for at least the delay time
     for i in range(num_callers):
         elapsed = end_times[i] - start_times[i]
-        assert (
-            elapsed >= 0.15
-        ), f"Caller {i} expected blocking for at least 0.15s, got {elapsed}s"
+        assert elapsed >= 0.15, (
+            f"Caller {i} expected blocking for at least 0.15s, got {elapsed}s"
+        )
 
 
 def test_create_checkpoint_sync_with_empty_checkpoint():