Show version on /-/plugins page, closes #248

datasette/app.py

@@ -1434,6 +1434,7 @@ class Datasette:
                 'name': p['name'],
                 'static': p['static_path'] is not None,
                 'templates': p['templates_path'] is not None,
+                'version': p.get('version'),
             } for p in get_plugins(pm)]),
             '/-/plugins<as_json:(\.json)?$>'
         )

datasette/utils.py

@@ -688,6 +688,7 @@ def module_from_path(path, name):
 
 def get_plugins(pm):
     plugins = []
+    plugin_to_distinfo = dict(pm.list_plugin_distinfo())
     for plugin in pm.get_plugins():
         static_path = None
         templates_path = None
@@ -699,9 +700,13 @@ def get_plugins(pm):
         except (KeyError, ImportError):
             # Caused by --plugins_dir= plugins - KeyError/ImportError thrown in Py3.5
             pass
-        plugins.append({
+        plugin_info = {
             'name': plugin.__name__,
             'static_path': static_path,
             'templates_path': templates_path,
-        })
+        }
+        distinfo = plugin_to_distinfo.get(plugin)
+        if distinfo:
+            plugin_info['version'] = distinfo.version
+        plugins.append(plugin_info)
     return plugins

tests/test_api.py

@@ -763,7 +763,8 @@ def test_plugins_json(app_client):
     assert {
         'name': 'my_plugin.py',
         'static': False,
-        'templates': False
+        'templates': False,
+        'version': None,
     } in response.json