Converted terrain2wiki script to Python 3

data/tools/terrain2wiki.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 # encoding: utf-8
 
 """
@@ -6,15 +6,10 @@ A script to create the "Terrain Table" on the TerrainCodeTableWML wiki page.
 Add the output to the wiki whenever a new terrain is added to mainline.
 """
 
-from __future__ import with_statement   # For python < 2.6
 import os
 import sys
 import re
-try:
-    import argparse
-except ImportError:
-    print('Please install argparse by running "easy_install argparse"')
-    sys.exit(1)
+import argparse
 
 # Where to get terrain images
 terrain_url = "https://raw.github.com/wesnoth/wesnoth/master/data/core/images/terrain/%s.png"
@@ -64,7 +59,7 @@ def parse_terrain(data):
         for text in removeus:
             i = [a.replace(text, "") for a in i]
         # Create a dictionary of key and values
-        content = dict([v.strip().split("=") for v in i])
+        content = {k: v for (k, v) in [p.strip().split("=", 1) for p in i]}
         # Hidden things shouldn't be displayed
         if 'hidden' in content:
             continue
@@ -97,12 +92,12 @@ dest='output_path', help="The location of the output file.")
     output_path = args.output_path
 
     if not os.path.exists(path) or not path.endswith('.cfg'):
-        print("Invalid path: '%s' does not exist or not a .cfg file.") % path
+        print("Invalid path: '%s' does not exist or not a .cfg file." % path)
         sys.exit(1)
 
-    with open(path, "r") as input_file:
+    with open(path, "r", encoding="utf8") as input_file:
         data = input_file.read()
     data = parse_terrain(data)
 
-    with open(output_path, "w") as output:
+    with open(output_path, "w", encoding="utf8") as output:
         output.write(data)