Support reporting geometric mean by tags (#209)

* Support reporting geometric mean by tags

This requires the following changes to pyperf first: psf/pyperf#132

* Ensure `tags` is always a list

* Use property

* Update pyperf

Author: mdboom

pyperformance/_benchmark.py

@@ -137,7 +137,7 @@ def _get_metadata_value(self, key, default):
 
     @property
     def tags(self):
-        return self._get_metadata_value('tags', ())
+        return self._get_metadata_value('tags', [])
 
     @property
     def datadir(self):

pyperformance/_benchmark_metadata.py

@@ -214,6 +214,10 @@ def _resolve_value(field, value, rootdir):
             value = value.replace(',', ' ').split()
         for tag in value:
             _utils.check_name(tag)
+            if tag == 'all':
+                raise ValueError("Invalid tag 'all'")
+            elif tag == '':
+                raise ValueError("Invalid empty tag")
     elif field == 'datadir':
         if not os.path.isabs(value):
             value = os.path.join(rootdir, value)

pyperformance/data-files/requirements.txt

@@ -10,7 +10,7 @@ psutil==5.9.0
     # via -r requirements.in
 pyparsing==3.0.8
     # via packaging
-pyperf==2.3.1
+pyperf==2.4.1
     # via -r requirements.in
 toml==0.10.2
     # via -r requirements.in

pyperformance/run.py

@@ -124,7 +124,10 @@ def add_bench(dest_suite, obj):
 
             version = pyperformance.__version__
             for res in results:
-                res.update_metadata({'performance_version': version})
+                res.update_metadata({
+                    'performance_version': version,
+                    'tags': bench.tags
+                })
 
                 if dest_suite is not None:
                     dest_suite.add_benchmark(res)