PERF: allocate fewer strings

westurner · westurner · commit f8b455b26bc3 · 2019-12-10T09:21:24.000-05:00
diff --git a/tabulate.py b/tabulate.py
@@ -179,7 +179,7 @@ def _textile_row_with_attrs(cell_values, colwidths, colaligns):
 
 def _html_begin_table_without_header(colwidths_ignore, colaligns_ignore):
     # this table header will be suppressed if there is a header row
-    return "\n".join(["<table>", "<tbody>"])
+    return "<table>\n<tbody>"
 
 
 def _html_row_with_attrs(celltag, cell_values, colwidths, colaligns):
@@ -194,9 +194,9 @@ def _html_row_with_attrs(celltag, cell_values, colwidths, colaligns):
             htmlescape(c))
         for c, a in zip(cell_values, colaligns)
     ]
-    rowhtml = "<tr>" + "".join(values_with_attrs).rstrip() + "</tr>"
+    rowhtml = "<tr>{}</tr>".format("".join(values_with_attrs).rstrip())
     if celltag == "th":  # it's a header row, create a new table header
-        rowhtml = "\n".join(["<table>", "<thead>", rowhtml, "</thead>", "<tbody>"])
+        rowhtml = "<table>\n<thead>\n{}\n</thead>\n<tbody>".format(rowhtml)
     return rowhtml
 
 
