gyp: Python 3 Windows fixes

PR-URL: https://github.com/nodejs/node-gyp/pull/1843
Reviewed-By: Christian Clauss <cclauss@me.com>
Reviewed-By: Rod Vagg <r@va.gg>
Reviewed-By: Matt Cowley <me@mattcowley.co.uk>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>

gyp/pylib/gyp/MSVSNew.py

@@ -45,7 +45,7 @@ def MakeGuid(name, seed='msvs_new'):
   not change when the project for a target is rebuilt.
   """
   # Calculate a MD5 signature for the seed and name.
-  d = hashlib.md5(str(seed) + str(name)).hexdigest().upper()
+  d = hashlib.md5((str(seed) + str(name)).encode('utf-8')).hexdigest().upper()
   # Convert most of the signature to GUID form (discard the rest)
   guid = ('{' + d[:8] + '-' + d[8:12] + '-' + d[12:16] + '-' + d[16:20]
           + '-' + d[20:32] + '}')

gyp/pylib/gyp/common.py

@@ -394,6 +394,9 @@ def WriteOnDiff(filename):
         os.unlink(self.tmp_path)
         raise
 
+    def write(self, s):
+      self.tmp_file.write(s.encode('utf-8'))
+
   return Writer()
 
 

gyp/pylib/gyp/easy_xml.py

@@ -120,7 +120,7 @@ def WriteXmlIfChanged(content, path, encoding='utf-8', pretty=False,
 
   default_encoding = locale.getdefaultlocale()[1]
   if default_encoding.upper() != encoding.upper():
-    xml_string = xml_string.decode(default_encoding).encode(encoding)
+    xml_string = xml_string.encode(encoding)
 
   # Get the old content
   try:
@@ -132,7 +132,7 @@ def WriteXmlIfChanged(content, path, encoding='utf-8', pretty=False,
 
   # It has changed, write it
   if existing != xml_string:
-    f = open(path, 'w')
+    f = open(path, 'wb')
     f.write(xml_string)
     f.close()
 

gyp/pylib/gyp/generator/msvs.py

@@ -1753,8 +1753,8 @@ def _CollapseSingles(parent, node):
   # such projects up one level.
   if (type(node) == dict and
       len(node) == 1 and
-      node.keys()[0] == parent + '.vcproj'):
-    return node[node.keys()[0]]
+      list(node)[0] == parent + '.vcproj'):
+    return node[list(node)[0]]
   if type(node) != dict:
     return node
   for child in node:
@@ -1773,8 +1773,8 @@ def _GatherSolutionFolders(sln_projects, project_objects, flat):
   # Walk down from the top until we hit a folder that has more than one entry.
   # In practice, this strips the top-level "src/" dir from the hierarchy in
   # the solution.
-  while len(root) == 1 and type(root[root.keys()[0]]) == dict:
-    root = root[root.keys()[0]]
+  while len(root) == 1 and type(root[list(root)[0]]) == dict:
+    root = root[list(root)[0]]
   # Collapse singles.
   root = _CollapseSingles('', root)
   # Merge buckets until everything is a root entry.