# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1621932054 -10800
# Node ID d77ab8a300b116e7241565ebf22f01d8a9678ccb
# Parent  420f13925f20de1f49564cd021902377e9890b8b
Use Python 3.6/3.7 format strings where we can.

diff -r 420f13925f20 -r d77ab8a300b1 lxmldump.py
--- a/lxmldump.py	Tue May 25 11:39:36 2021 +0300
+++ b/lxmldump.py	Tue May 25 11:40:54 2021 +0300
@@ -108,9 +108,10 @@
 
 ## Format "Ptr" node as text
 def pkk_ptr_to_text(pnode):
-    return "<PTR:{}>{}</PTR>".format(
-        pnode.attrib["{http://www.w3.org/TR/xlink}href"],
-        ("".join(pnode.itertext())).strip())
+    phref = pnode.attrib["{http://www.w3.org/TR/xlink}href"]
+    ptext = ("".join(pnode.itertext())).strip()
+
+    return f"<PTR:{phref}>{ptext}</PTR>"
 
 
 ## Get text inside a given node
@@ -133,21 +134,21 @@
 def pkk_dump_recursive(indent, lnode):
     if lnode.tag in ["Example"]:
         stmp = pkk_node_to_text(lnode)
-        pkk_printi(indent, "{} \"{}\"\n".format(lnode.tag, stmp))
+        pkk_printi(indent, f"{lnode.tag} \"{stmp}\"\n")
     else:
         if isinstance(lnode.text, str):
-            stmp = pkk_str_clean(lnode.text).strip()
-            if stmp != "":
-                stmp = " \""+ stmp +"\""
+            textstr = pkk_str_clean(lnode.text).strip()
+            if textstr != "":
+                textstr = " \""+ textstr +"\""
         else:
-            stmp = ""
+            textstr = ""
 
         if len(lnode.attrib) > 0:
-            atmp = " "+ str(lnode.attrib)
+            attrstr = " "+ str(lnode.attrib)
         else:
-            atmp = ""
+            attrstr = ""
 
-        pkk_printi(indent, "{}{}{}\n".format(lnode.tag, atmp, stmp))
+        pkk_printi(indent, f"{lnode.tag}{attrstr}{textstr}\n")
         for qnode in lnode.findall("./*"):
             pkk_dump_recursive(indent + 1, qnode)
 
@@ -155,11 +156,11 @@
 ## Output item(s) under given node with given format string
 def pkk_output_subs_fmt(indent, dnode, dsub, dname, dfmt):
     for qnode in dnode.findall(dsub):
-        pkk_printi(indent, dfmt.format(dname, pkk_node_to_text(qnode)))
+        pkk_printi(indent, dfmt.format(nname=dname, ntext=pkk_node_to_text(qnode)))
 
 ## Output item(s) under given node with a prefixed name string
 def pkk_output_subs_prefix(indent, dnode, dsub, dname):
-    pkk_output_subs_fmt(indent, dnode, dsub, dname, "{0} \"{1}\"\n")
+    pkk_output_subs_fmt(indent, dnode, dsub, dname, "{nname} \"{ntext}\"\n")
 
 
 ## Output a main "Headword" or "Sense" node under it
@@ -200,11 +201,12 @@
         tmpl.sort(reverse=False, key=lambda attr: (attr, len(attr)))
 
         # Print the headword and attributes if any
-        pkk_output_subs_fmt(indent, wnode, "./Headword", "", "\"{1}\"")
+        pkk_output_subs_fmt(indent, wnode, "./Headword", "", "\"{ntext}\"")
+
         if len(tmpl) > 0:
-            pkk_print(" ({})\n".format(" ; ".join(tmpl)))
-        else:
-            pkk_print("\n")
+            pkk_print(" ({nlist})".format(nlist=" ; ".join(tmpl)))
+
+        pkk_print("\n")
 
         # Print main "sense"
         pkk_output_sense(indent + 1, wnode)
@@ -212,7 +214,7 @@
         # Print any other "senses"
         index = 1
         for wnode in dnode.findall("./SenseGrp"):
-            pkk_printi(indent + 1, "sense #{}\n".format(index))
+            pkk_printi(indent + 1, f"sense #{index}\n")
             pkk_output_sense(indent + 2, wnode)
             index += 1