ci-test

Author: Darshan808

IPython/core/interactiveshell.py

@@ -543,6 +543,12 @@ def input_transformers_cleanup(self):
         help="Warn if running in a virtual environment with no IPython installed (so IPython from the global environment is used).",
     ).tag(config=True)
 
+    # Flag to disable the custom CapturingTee mechanism.
+    # Useful in test environments to use the standard capturing of stdout/stderr.
+    disable_capturing_tee = Bool(
+        False, help="Disable the custom CapturingTee output capturing"
+    ).tag(config=True)
+
     # TODO: this part of prompt management should be moved to the frontends.
     # Use custom TraitTypes that convert '0'->'' and '\\n'->'\n'
     separate_in = SeparateUnicode('\n').tag(config=True)
@@ -3040,15 +3046,20 @@ def run_cell(
         result : :class:`ExecutionResult`
         """
         result = None
-        tee_out = CapturingTee(self, channel="stdout")
-        tee_err = CapturingTee(self, channel="stderr")
+        tee_out = None
+        tee_err = None
+        if not self.disable_capturing_tee:
+            tee_out = CapturingTee(self, channel="stdout")
+            tee_err = CapturingTee(self, channel="stderr")
         try:
             result = self._run_cell(
                 raw_cell, store_history, silent, shell_futures, cell_id
             )
         finally:
-            tee_out.close()
-            tee_err.close()
+            if tee_out is not None:
+                tee_out.close()
+            if tee_err is not None:
+                tee_err.close()
             self.events.trigger('post_execute')
             if not silent:
                 self.events.trigger('post_run_cell', result)

tests/test_magic_terminal.py

@@ -132,7 +132,7 @@ def test_paste_py_multi(self):
         >>> y = []
         >>> for i in x:
         ...     y.append(i**2)
-        ... 
+        ...
         """
         )
         self.assertEqual(ip.user_ns["x"], [1, 2, 3])
@@ -174,7 +174,7 @@ def test_paste_email_py(self):
             """\
         >> >>> def f(x):
         >> ...   return x+1
-        >> ... 
+        >> ...
         >> >>> zz = f(2.5)      """
         )
         self.assertEqual(ip.user_ns["zz"], 3.5)
@@ -188,10 +188,12 @@ def test_paste_echo(self):
         a = 100
         b = 200"""
         try:
+            ip.disable_capturing_tee = True
             self.paste(code, "")
             out = w.getvalue()
         finally:
             sys.stdout.write = old_write
+            ip.disable_capturing_tee = False
         self.assertEqual(ip.user_ns["a"], 100)
         self.assertEqual(ip.user_ns["b"], 200)
         assert out == code + "\n## -- End pasted text --\n"

tests/test_oinspect.py

@@ -517,11 +517,12 @@ def prop(self):
         Docstring for prop
         '''
         return self._prop
-    
+
     @prop.setter
     def prop(self, v):
         self._prop = v
     """
+    ip.disable_capturing_tee = True
     ip.run_cell(obj_def)
 
     ip.run_cell("b = Bar()")
@@ -545,6 +546,7 @@ def prop(self, v):
     ip.run_cell("b.undefined?")
     captured = capsys.readouterr()
     assert re.search(r"Type:\s+NoneType", captured.out)
+    ip.disable_capturing_tee = False
 
 
 def test_pinfo_magic():