initial source import
diff --git a/doc/tools/texinputs/python.ist b/doc/tools/texinputs/python.ist
new file mode 100644
index 0000000..9ffa0f9
--- /dev/null
+++ b/doc/tools/texinputs/python.ist
@@ -0,0 +1,11 @@
+line_max 100
+headings_flag 1
+heading_prefix "  \\bigletter "
+
+preamble "\\begin{theindex}
+\\def\\bigletter#1{{\\Large\\sffamily#1}\\nopagebreak\\vspace{1mm}}
+
+"
+
+symhead_positive "{Symbols}"
+numhead_positive "{Numbers}"