Add the Vis to the Qt GUI as well

reprounzip-qt/reprounzip_qt/gui/unpack.py

@@ -259,6 +259,9 @@ def __init__(self, package='', **kwargs):
 
         buttons = QtGui.QHBoxLayout()
         buttons.addStretch(1)
+        vis = QtGui.QPushButton("Show provenance")
+        vis.clicked.connect(self._show_vis)
+        buttons.addWidget(vis)
         self.unpack_widget = QtGui.QPushButton("Unpack experiment",
                                                enabled=False)
         self.unpack_widget.clicked.connect(self._unpack)
@@ -318,3 +321,6 @@ def _unpack(self):
                                    options.get('root'))
         else:
             error_msg(self, "No unpacker selected", 'warning')
+
+    def _show_vis(self):
+        handle_error(self, reprounzip.show_vis(self.package_widget.text()))

reprounzip-qt/reprounzip_qt/reprounzip_interface.py

@@ -301,6 +301,17 @@ def download(directory, name, path, unpacker=None, root=None):
         return code == 0
 
 
+def show_vis(package):
+    reprounzip = find_command('reprounzip')
+    if reprounzip is None:
+        return ("Couldn't find reprounzip command -- is reprounzip installed?",
+                'critical')
+
+    run_in_builtin_terminal([reprounzip, 'vis', package], {},
+                            text="Running provenance visualization")
+    return True
+
+
 def run_in_builtin_terminal_maybe(cmd, root, env={}, **kwargs):
     if root is None:
         code = run_in_builtin_terminal(cmd, env, **kwargs)