Change run_cell to not store history by default.

IPython/core/interactiveshell.py

@@ -2252,7 +2252,7 b' class InteractiveShell(SingletonConfigurable, Magic):'
                 self.showtraceback()
                 warn('Unknown failure executing file: <%s>' % fname)
 
-    def run_cell(self, raw_cell, store_history=True):
+    def run_cell(self, raw_cell, store_history=False):
         """Run a complete IPython cell.
 
         Parameters

IPython/core/tests/test_history.py

@@ -112,10 +112,10 b' def test_extract_hist_ranges():'
 def test_magic_rerun():
     """Simple test for %rerun (no args -> rerun last line)"""
     ip = get_ipython()
-    ip.run_cell("a = 10")
-    ip.run_cell("a += 1")
+    ip.run_cell("a = 10", store_history=True)
+    ip.run_cell("a += 1", store_history=True)
     nt.assert_equal(ip.user_ns["a"], 11)
-    ip.run_cell("%rerun")
+    ip.run_cell("%rerun", store_history=True)
     nt.assert_equal(ip.user_ns["a"], 12)
 
 def test_timestamp_type():

IPython/core/tests/test_interactiveshell.py

@@ -73,11 +73,11 b' class InteractiveShellTestCase(unittest.TestCase):'
         "Ending a line with semicolon should not cache the returned object (GH-307)"
         ip = get_ipython()
         oldlen = len(ip.user_ns['Out'])
-        a = ip.run_cell('1;')
+        a = ip.run_cell('1;', store_history=True)
         newlen = len(ip.user_ns['Out'])
         self.assertEquals(oldlen, newlen)
         #also test the default caching behavior
-        ip.run_cell('1')
+        ip.run_cell('1', store_history=True)
         newlen = len(ip.user_ns['Out'])
         self.assertEquals(oldlen+1, newlen)
 
@@ -85,7 +85,7 b' class InteractiveShellTestCase(unittest.TestCase):'
         "Verify that In variable grows with user input (GH-284)"
         ip = get_ipython()
         oldlen = len(ip.user_ns['In'])
-        ip.run_cell('1;')
+        ip.run_cell('1;', store_history=True)
         newlen = len(ip.user_ns['In'])
         self.assertEquals(oldlen+1, newlen)
         self.assertEquals(ip.user_ns['In'][-1],'1;')

IPython/core/tests/test_magic.py

@@ -171,7 +171,7 b' def test_macro_run():'
     cmds = ["a=10", "a+=1", py3compat.doctest_refactor_print("print a"),
                                                             "%macro test 2-3"]
     for cmd in cmds:
-        ip.run_cell(cmd)
+        ip.run_cell(cmd, store_history=True)
     nt.assert_equal(ip.user_ns["test"].value,
                             py3compat.doctest_refactor_print("a+=1\nprint a\n"))
     with tt.AssertPrints("12"):

IPython/frontend/terminal/interactiveshell.py

@@ -309,7 +309,7 b' class TerminalInteractiveShell(InteractiveShell):'
                     self.edit_syntax_error()
                 if not more:
                     source_raw = self.input_splitter.source_raw_reset()[1]
-                    self.run_cell(source_raw)
+                    self.run_cell(source_raw, store_history=True)
 
         # We are off again...
         __builtin__.__dict__['__IPYTHON__active'] -= 1

IPython/zmq/ipkernel.py

@@ -250,7 +250,7 b' class Kernel(Configurable):'
                 shell.run_code(code)
             else:
                 # FIXME: the shell calls the exception handler itself.
-                shell.run_cell(code)
+                shell.run_cell(code, store_history=True)
         except:
             status = u'error'
             # FIXME: this code right now isn't being used yet by default,