Make DataFrame.to_html output full content

pandas/io/formats/html.py

@@ -11,7 +11,7 @@
 
 from pandas.core.dtypes.generic import ABCMultiIndex
 
-from pandas import compat
+from pandas import compat, option_context
 import pandas.core.common as com
 from pandas.core.config import get_option
 
@@ -320,9 +320,15 @@ def _write_header(self, indent):
 
         self.write('</thead>', indent)
 
+    def _get_formatted_values(self):
+        with option_context('display.max_colwidth', 999999):
+            fmt_values = {i: self.fmt._format_col(i)
+                          for i in range(self.ncols)}
+        return fmt_values
+
     def _write_body(self, indent):
         self.write('<tbody>', indent)
-        fmt_values = {i: self.fmt._format_col(i) for i in range(self.ncols)}
+        fmt_values = self._get_formatted_values()
 
         # write values
         if self.fmt.index and isinstance(self.frame.index, ABCMultiIndex):
@@ -486,6 +492,9 @@ class NotebookFormatter(HTMLFormatter):
     DataFrame._repr_html_() and DataFrame.to_html(notebook=True)
     """
 
+    def _get_formatted_values(self):
+        return {i: self.fmt._format_col(i) for i in range(self.ncols)}
+
     def write_style(self):
         # We use the "scoped" attribute here so that the desired
         # style properties for the data frame are not then applied

pandas/tests/io/formats/test_to_html.py

@@ -15,6 +15,8 @@
 
 import pandas.io.formats.format as fmt
 
+lorum_ipsum = "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum."  # noqa
+
 
 def expected_html(datapath, name):
     """
@@ -600,3 +602,20 @@ def test_to_html_render_links(render_links, expected, datapath):
     result = df.to_html(render_links=render_links)
     expected = expected_html(datapath, expected)
     assert result == expected
+
+
+@pytest.mark.parametrize('max_colwidth', [10, 20, 50, 100])
+def test_display_max_colwidth(max_colwidth):
+    df = DataFrame([lorum_ipsum])
+    with pd.option_context('display.max_colwidth', max_colwidth):
+        result = df._repr_html_()
+    expected = lorum_ipsum[:max_colwidth - 4] + '...'
+    assert expected in result
+
+
+@pytest.mark.parametrize('max_colwidth', [10, 20, 50, 100])
+def test_ignore_display_max_colwidth(max_colwidth):
+    df = DataFrame([lorum_ipsum])
+    with pd.option_context('display.max_colwidth', max_colwidth):
+        result = df.to_html()
+    assert lorum_ipsum in result