Merge from 3.x: PR #4918

Fixes #4873

spyder/plugins/tests/test_ipythonconsole.py

@@ -77,6 +77,21 @@ def close_console():
 #==============================================================================
 # Tests
 #==============================================================================
+@flaky(max_runs=3)
+def test_console_import_namespace(ipyconsole, qtbot):
+    """Test an import of the form 'from foo import *'."""
+    # Wait until the window is fully up
+    shell = ipyconsole.get_current_shellwidget()
+    qtbot.waitUntil(lambda: shell._prompt_html is not None, timeout=SHELL_TIMEOUT)
+
+    # Import numpy
+    with qtbot.waitSignal(shell.executed):
+        shell.execute('from numpy import *')
+
+    # Assert we get the e value correctly
+    assert shell.get_value('e') == 2.718281828459045
+
+
 @flaky(max_runs=3)
 def test_console_disambiguation(ipyconsole, qtbot):
     """Test the disambiguation of dedicated consoles."""

spyder/utils/ipython/spyder_kernel.py

@@ -110,8 +110,10 @@ def get_namespace_view(self):
         settings = self.namespace_view_settings
         if settings:
             ns = self._get_current_namespace()
-            view = make_remote_view(ns, settings, EXCLUDED_NAMES)
+            view = repr(make_remote_view(ns, settings, EXCLUDED_NAMES))
             return view
+        else:
+            return repr(None)
 
     def get_var_properties(self):
         """
@@ -138,9 +140,9 @@ def get_var_properties(self):
                     'array_ndim': self._get_array_ndim(value)
                 }
 
-            return properties
+            return repr(properties)
         else:
-            return {}
+            return repr(None)
 
     def get_value(self, name):
         """Get the value of a variable"""

spyder/widgets/ipythonconsole/debugging.py

@@ -9,6 +9,8 @@
 mode and Spyder
 """
 
+import ast
+
 from qtpy.QtCore import Qt
 
 from qtconsole.rich_jupyter_widget import RichJupyterWidget
@@ -52,10 +54,12 @@ def refresh_from_pdb(self, pdb_state):
             self.sig_pdb_step.emit(fname, lineno)
 
         if 'namespace_view' in pdb_state:
-            self.sig_namespace_view.emit(pdb_state['namespace_view'])
+            self.sig_namespace_view.emit(ast.literal_eval(
+                    pdb_state['namespace_view']))
 
         if 'var_properties' in pdb_state:
-            self.sig_var_properties.emit(pdb_state['var_properties'])
+            self.sig_var_properties.emit(ast.literal_eval(
+                    pdb_state['var_properties']))
 
     # ---- Private API (overrode by us) ----------------------------
     def _handle_input_request(self, msg):

spyder/widgets/ipythonconsole/shell.py

@@ -327,13 +327,15 @@ def handle_exec_method(self, msg):
                 data = reply.get('data')
                 if 'get_namespace_view' in method:
                     if data is not None and 'text/plain' in data:
-                        view = ast.literal_eval(data['text/plain'])
+                        literal = ast.literal_eval(data['text/plain'])
+                        view = ast.literal_eval(literal)
                     else:
                         view = None
                     self.sig_namespace_view.emit(view)
                 elif 'get_var_properties' in method:
                     if data is not None and 'text/plain' in data:
-                        properties = ast.literal_eval(data['text/plain'])
+                        literal = ast.literal_eval(data['text/plain'])
+                        properties = ast.literal_eval(literal)
                     else:
                         properties = None
                     self.sig_var_properties.emit(properties)