set_search_properties (#595)

* update the signature of set_search_properties

.github/workflows/python-package.yml

@@ -43,11 +43,14 @@ jobs:
           pip install -e .
           python -c "import flaml"
           pip install -e .[test]
-      - name: If linux or mac, install ray and prophet
+      - name: If linux or mac, install ray
+        if: matrix.os == 'macOS-latest' || matrix.os == 'ubuntu-latest'
+        run: |
+          pip install -e .[ray]
+      - name: If linux or mac, install prophet on python < 3.9
         if: (matrix.os == 'macOS-latest' || matrix.os == 'ubuntu-latest') && matrix.python-version != '3.9' && matrix.python-version != '3.10'
         run: |
-          pip install -e .[ray,forecast]
-          pip install 'tensorboardX<=2.2'
+          pip install -e .[forecast]
       - name: Lint with flake8
         run: |
           # stop the build if there are Python syntax errors or undefined names
@@ -55,17 +58,17 @@ jobs:
           # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
           flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
       - name: Test with pytest
-        if: ${{ (matrix.python-version != '3.7' || matrix.os == 'macos-latest') && matrix.python-version != '3.10' }}
+        if: (matrix.python-version != '3.7' || matrix.os == 'macos-latest') && matrix.python-version != '3.10'
         run: |
           pytest test
       - name: Coverage
-        if: ${{ (matrix.python-version == '3.7') && matrix.os != 'macos-latest' || matrix.python-version == '3.10' }}
+        if: (matrix.python-version == '3.7') && matrix.os != 'macos-latest' || matrix.python-version == '3.10'
         run: |
           pip install coverage
           coverage run -a -m pytest test
           coverage xml
       - name: Upload coverage to Codecov
-        if: ${{ (matrix.python-version == '3.7') && matrix.os != 'macos-latest' || matrix.python-version == '3.10'}}
+        if: (matrix.python-version == '3.7') && matrix.os != 'macos-latest' || matrix.python-version == '3.10'
         uses: codecov/codecov-action@v1
         with:
           file: ./coverage.xml

flaml/automl.py

@@ -2992,9 +2992,7 @@ class AutoML(BaseEstimator):
                     search_state.search_alg.searcher.set_search_properties(
                         metric=None,
                         mode=None,
-                        setting={
-                            "metric_target": self._state.best_loss,
-                        },
+                        metric_target=self._state.best_loss,
                     )
             start_run_time = time.time()
             analysis = tune.run(

flaml/searcher/blendsearch.py

@@ -235,7 +235,7 @@ class BlendSearch(Searcher):
         metric: Optional[str] = None,
         mode: Optional[str] = None,
         config: Optional[Dict] = None,
-        setting: Optional[Dict] = None,
+        **spec,
     ) -> bool:
         metric_changed = mode_changed = False
         if metric and self._metric != metric:
@@ -272,21 +272,21 @@ class BlendSearch(Searcher):
                     )
                     self._gs.space = self._ls.space
                 self._init_search()
-        if setting:
+        if spec:
             # CFO doesn't need these settings
-            if "time_budget_s" in setting:
-                self._time_budget_s = setting["time_budget_s"]  # budget from now
+            if "time_budget_s" in spec:
+                self._time_budget_s = spec["time_budget_s"]  # budget from now
                 now = time.time()
                 self._time_used += now - self._start_time
                 self._start_time = now
                 self._set_deadline()
                 if self._input_cost_attr == "auto":
                     self.cost_attr = TIME_TOTAL_S
-            if "metric_target" in setting:
-                self._metric_target = setting.get("metric_target")
-            if "num_samples" in setting:
+            if "metric_target" in spec:
+                self._metric_target = spec.get("metric_target")
+            if "num_samples" in spec:
                 self._num_samples = (
-                    setting["num_samples"]
+                    spec["num_samples"]
                     + len(self._result)
                     + len(self._trial_proposed_by)
                 )

flaml/tune/tune.py

@@ -425,7 +425,7 @@ def run(
                 setting["time_budget_s"] = time_budget_s
             if num_samples > 0:
                 setting["num_samples"] = num_samples
-            searcher.set_search_properties(metric, mode, config, setting)
+            searcher.set_search_properties(metric, mode, config, **setting)
         else:
             searcher.set_search_properties(metric, mode, config)
     if scheduler in ("asha", "asynchyperband", "async_hyperband"):

test/tune/test_searcher.py

@@ -203,7 +203,9 @@ def test_searcher():
         points_to_evaluate=[{"a": 1, "b": 0.01}],
     )
     searcher.set_search_properties(
-        metric="m2", config=config, setting={"time_budget_s": 0}
+        metric="m2",
+        config=config,
+        time_budget_s=0,
     )
     c = searcher.suggest("t1")
     print("t1", c)