create a module list when the user hits tab the first time in import completion

Trundle · Trundle · commit 8d33d450fd7e · 2009-05-31T00:42:29.000+02:00
diff --git a/bpython/cli.py b/bpython/cli.py
@@ -1331,6 +1331,12 @@ def tab(self):
             self.print_line(self.s)
             return True
 
+        if not importcompletion.modules:
+            line = self.s.lstrip()
+            if line.startswith('from ') or line.startswith('import '):
+                self.statusbar.message('Scanning for modules...')
+                importcompletion.reload()
+
         if not OPTS.auto_display_list and not self.list_win_visible:
             self.complete(tab=True)
             return True
