From 8337eb4d7dc4231831421e8588e2478d513f6e52 Mon Sep 17 00:00:00 2001
From: Chang She <changshe@gmail.com>
Date: Thu, 29 Nov 2012 12:25:11 -0500
Subject: [PATCH 1/2] BUG: problems with qtconsole and _repr_html #2275

---
 pandas/core/common.py | 11 +++++++++++
 pandas/core/frame.py  |  5 ++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/pandas/core/common.py b/pandas/core/common.py
index c86ee34f26d47..2607c9ad62456 100644
--- a/pandas/core/common.py
+++ b/pandas/core/common.py
@@ -1096,6 +1096,17 @@ def in_interactive_session():
     import __main__ as main
     return not hasattr(main, '__file__')
 
+def in_qtconsole():
+    """
+    check if we're inside an IPython qtconsole
+    """
+    try:
+        ip = get_ipython()
+        if ip.config['KernelApp']['parent_appname'] == 'ipython-qtconsole':
+            return True
+    except:
+        return False
+
 # Unicode consolidation
 # ---------------------
 #
diff --git a/pandas/core/frame.py b/pandas/core/frame.py
index 3f555c800d1eb..dca864cfe3515 100644
--- a/pandas/core/frame.py
+++ b/pandas/core/frame.py
@@ -582,7 +582,10 @@ def _need_info_repr_(self):
         particular DataFrame.
         """
 
-        terminal_width, terminal_height = get_terminal_size()
+        if com.in_qtconsole():
+            terminal_width, terminal_height = 10, 100
+        else:
+            terminal_width, terminal_height = get_terminal_size()
         max_rows = (terminal_height if get_option("print_config.max_rows") == 0
                     else get_option("print_config.max_rows"))
         max_columns = get_option("print_config.max_columns")

From a23e3241f900ab72c3e5d0bec9ea3da0b4bb500b Mon Sep 17 00:00:00 2001
From: Chang She <changshe@gmail.com>
Date: Thu, 29 Nov 2012 12:49:44 -0500
Subject: [PATCH 2/2] TST: check whether a repr_html is based on max cols/rows
 faking a qtconsole

---
 pandas/tests/test_format.py | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/pandas/tests/test_format.py b/pandas/tests/test_format.py
index 4b1978a9b8449..cb583f202fcf8 100644
--- a/pandas/tests/test_format.py
+++ b/pandas/tests/test_format.py
@@ -758,6 +758,21 @@ def test_repr_html(self):
 
         fmt.reset_printoptions()
 
+    def test_fake_qtconsole_repr_html(self):
+        def get_ipython():
+            return {'config' :
+                        {'KernelApp' :
+                             {'parent_appname' : 'ipython-qtconsole'}}}
+
+        repstr = self.frame._repr_html_()
+        self.assert_(repstr is not None)
+
+        fmt.set_printoptions(max_rows=5, max_columns=2)
+
+        self.assert_(self.frame._repr_html_() is None)
+
+        fmt.reset_printoptions()
+
     def test_to_html_with_classes(self):
         df = pandas.DataFrame()
         result = df.to_html(classes="sortable draggable")