From 2ef74ffe18b83eab90ec0c40ac09dcf894dc3b69 2010-09-13 02:38:09
From: Fernando Perez <Fernando.Perez@berkeley.edu>
Date: 2010-09-13 02:38:09
Subject: [PATCH] Fix bug with lines ending in continuation markers (\).

We were incorrectly considering them complete.

---

diff --git a/IPython/core/inputsplitter.py b/IPython/core/inputsplitter.py
index 79b8d20..bdf1a37 100644
--- a/IPython/core/inputsplitter.py
+++ b/IPython/core/inputsplitter.py
@@ -388,6 +388,10 @@ class InputSplitter(object):
         # inconsistent code/source attributes.
         self.code, self._is_complete = None, None
 
+        # Honor termination lines properly
+        if source.rstrip().endswith('\\'):
+            return False
+
         self._update_indent(lines)
         try:
             self.code = self._compile(source)
diff --git a/IPython/core/tests/test_inputsplitter.py b/IPython/core/tests/test_inputsplitter.py
index 5e5fbd7..34f66b4 100644
--- a/IPython/core/tests/test_inputsplitter.py
+++ b/IPython/core/tests/test_inputsplitter.py
@@ -247,6 +247,13 @@ class InputSplitterTestCase(unittest.TestCase):
         isp.push('')
         self.assertFalse(isp.push_accepts_more())
 
+    def test_continuation(self):
+        isp = self.isp
+        isp.push("import os, \\")
+        self.assertTrue(isp.push_accepts_more())
+        isp.push("sys")
+        self.assertFalse(isp.push_accepts_more())
+
     def test_syntax_error(self):
         isp = self.isp
         # Syntax errors immediately produce a 'ready' block, so the invalid