[audian] small improvements to the handling of analyzers

Author: janscience

src/audian/audian.py

@@ -1533,15 +1533,15 @@ def audian_cli(cargs=[], plugins=None):
 
 
 def main(cargs):
+    mp.set_start_method('forkserver' if os.name == 'posix' else 'spawn')
+    AudioLoader.max_open_files = os.cpu_count() + 2
+    AudioLoader.max_open_loaders = 2*AudioLoader.max_open_files
     plugins = Plugins()
     plugins.load_plugins()
     audian_cli(cargs, plugins)
 
 
 def run():
-    mp.set_start_method('forkserver' if os.name == 'posix' else 'spawn')
-    AudioLoader.max_open_files = os.cpu_count() + 2
-    AudioLoader.max_open_loaders = 2*AudioLoader.max_open_files
     main(sys.argv[1:])
 
 

src/audian/databrowser.py

@@ -1763,7 +1763,9 @@ def analyze_region(self, t0, t1, channel):
         if self.analysis_table is None:
             self.analysis_results()
         else:
-            self.analysis_table.setData(self.get_analysis_table())
+            table = self.get_analysis_table()
+            if len(table) > 0:
+                self.analysis_table.setData(table)
 
 
     def get_analysis_table(self):
@@ -1789,13 +1791,16 @@ def analysis_results(self):
             return
         if len(self.analyzers) == 0:
             return
+        table = self.get_analysis_table()
+        if len(table) == 0:
+            return
         dialog = QDialog(self)
         dialog.setWindowTitle('Audian analyis table')
         vbox = QVBoxLayout()
         dialog.setLayout(vbox)
         self.analysis_table = pg.TableWidget()
         self.analysis_table.setMinimumHeight(250)
-        self.analysis_table.setData(self.get_analysis_table())
+        self.analysis_table.setData(table)
         c = 0
         for a in self.analyzers:
             for i in range(a.data.columns()):