Explicitly treat all files as UTF-8.

Tools/px4params/output_dokuwiki_listings.py

@@ -1,3 +1,4 @@
+import codecs
 
 class DokuWikiListingsOutput():
     def __init__(self, groups):
@@ -26,5 +27,5 @@ class DokuWikiListingsOutput():
         self.output = result
 
     def Save(self, filename):
-        with open(filename, 'w') as f:
+        with codecs.open(filename, 'w', 'utf-8') as f:
             f.write(self.output)

Tools/px4params/output_dokuwiki_tables.py

@@ -1,4 +1,5 @@
 from xml.sax.saxutils import escape
+import codecs
 
 class DokuWikiTablesOutput():
     def __init__(self, groups):
@@ -44,11 +45,11 @@ class DokuWikiTablesOutput():
         self.output = result;
 
     def Save(self, filename):
-        with open(filename, 'w') as f:
+        with codecs.open(filename, 'w', 'utf-8') as f:
             f.write(self.output)
 
     def SaveRpc(self, filename):
-        with open(filename, 'w') as f:
+        with codecs.open(filename, 'w', 'utf-8') as f:
             f.write("""<?xml version='1.0'?>
 <methodCall>
   <methodName>wiki.putPage</methodName>

Tools/px4params/output_xml.py

@@ -1,4 +1,5 @@
 from xml.dom.minidom import getDOMImplementation
+import codecs
 
 class XMLOutput():
     def __init__(self, groups):
@@ -18,8 +19,8 @@ class XMLOutput():
                     xml_param.appendChild(xml_field)
                     xml_value = xml_document.createTextNode(value)
                     xml_field.appendChild(xml_value)
-        self.output = xml_document.toprettyxml(indent="    ", newl="\n", encoding="utf-8")
+        self.xml_document = xml_document
 
     def Save(self, filename):
-        with open(filename, 'wb') as f:
-            f.write(self.output)
+        with codecs.open(filename, 'w', 'utf-8') as f:
+            self.xml_document.writexml(f, indent="    ", addindent="    ", newl="\n")

Tools/px4params/scanner.py

@@ -1,5 +1,6 @@
 import os
 import re
+import codecs
 
 class Scanner(object):
     """
@@ -29,6 +30,6 @@ class Scanner(object):
         Scans provided file and passes its contents to the parser using
         parser.Parse method.
         """
-        with open(path, 'r') as f:
+        with codecs.open(path, 'r', 'utf-8') as f:
             contents = f.read()
         parser.Parse(contents)