fix rst empty column escaping

oxitnik · oxitnik · commit 94f5a6a049ee · 2017-09-23T17:49:20.000+03:00
diff --git a/tabulate.py b/tabulate.py
@@ -199,7 +199,7 @@ def escape_char(c):
 
 def _rst_escape_first_column(rows, headers):
     def escape_empty(val):
-        if isinstance(val, (_text_type, _binary_type)) and val.strip() is "":
+        if isinstance(val, (_text_type, _binary_type)) and not val.strip():
             return ".."
         else:
             return val
diff --git a/test/test_output.py b/test/test_output.py
@@ -260,6 +260,18 @@ def test_rst():
     result = tabulate(_test_table, _test_table_headers, tablefmt="rst")
     assert_equal(expected, result)
 
+def test_rst_with_empty_values_in_first_column():
+    "Output: rst with dots in first column"
+    test_headers = ['', 'what']
+    test_data = [('', 'spam'), ('', 'eggs')]
+    expected = '\n'.join(['====  ======',
+                          '..    what',
+                          '====  ======',
+                          '..    spam',
+                          '..    eggs',
+                          '====  ======'])
+    result = tabulate(test_data, test_headers, tablefmt="rst")
+    assert_equal(expected, result)
 
 def test_rst_headerless():
     "Output: rst without headers"
