Changes in anticipation of stricter str vs. bytes enforcement.

Lib/plat-mac/Carbon/AppleEvents.py

 # Generated from 'AEDataModel.h'
 
-def FOUR_CHAR_CODE(x): return bytes(x)
+def FOUR_CHAR_CODE(x): return x.encode("latin-1")
 typeBoolean = FOUR_CHAR_CODE('bool')
 typeChar = FOUR_CHAR_CODE('TEXT')
 typeSInt16 = FOUR_CHAR_CODE('shor')

Lib/plat-mac/aetypes.py

@@ -22,7 +22,7 @@ def _four_char_code(four_chars):
     four_chars must contain only ASCII characters.
 
     """
-    return bytes("%-4.4s" % str(four_chars))
+    return ("%-4.4s" % str(four_chars)).encode("latin-1")
 
 class Unknown:
     """An uninterpreted AE object"""

Lib/plat-mac/plistlib.py

@@ -176,7 +176,7 @@ class DumbXMLWriter:
                 line = line.encode('utf-8')
             self.file.write(self.indentLevel * self.indent)
             self.file.write(line)
-        self.file.write('\n')
+        self.file.write(b'\n')
 
 
 # Contents should conform to a subset of ISO 8601
@@ -220,14 +220,14 @@ def _escapeAndEncode(text):
     return text.encode("utf-8")             # encode as UTF-8
 
 
-PLISTHEADER = """\
+PLISTHEADER = b"""\
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 """
 
 class PlistWriter(DumbXMLWriter):
 
-    def __init__(self, file, indentLevel=0, indent="\t", writeHeader=1):
+    def __init__(self, file, indentLevel=0, indent=b"\t", writeHeader=1):
         if writeHeader:
             file.write(PLISTHEADER)
         DumbXMLWriter.__init__(self, file, indentLevel, indent)