pulled out appDataDir from folder-finding code, moved code to mclevelbase, used appDataDir in place of %APPDATA% because %APPDATA% may not always be defined (?) on win32

infiniteworld.py

@@ -65,7 +65,8 @@ def which(program):
     return None
 
 if sys.platform == "win32":
-    appSupportDir = os.path.join(os.environ["APPDATA"], "pymclevel")
+    from mclevel import appDataDir
+    appSupportDir = os.path.join(appDataDir, "pymclevel")
 elif sys.platform == "darwin":
     appSupportDir = os.path.expanduser("~/Library/Application Support/pymclevel/")
 else:

mclevel.py

@@ -190,29 +190,6 @@ from schematic import *
 import sys
 
 
-# we need to decode file paths from environment variables or else we get an error
-# if they are formatted or joined to a unicode string
-
-if sys.platform == "win32":
-    #not sure why win32com is needed if the %APPDATA% var is available
-    try:
-        import win32com.client
-
-        objShell = win32com.client.Dispatch("WScript.Shell")
-        minecraftDir = os.path.join(objShell.SpecialFolders("AppData"), u".minecraft")
-    except Exception, e:
-        print "WScript error {0!r}".format(e)
-        appdata = os.environ['APPDATA'].decode(sys.getfilesystemencoding());
-        minecraftDir = os.path.join(appdata, ".minecraft")
-
-elif sys.platform == "darwin":
-    minecraftDir = os.path.expanduser("~/Library/Application Support/minecraft")
-    minecraftDir.decode(sys.getfilesystemencoding());
-else:
-    minecraftDir = os.path.expanduser("~/.minecraft")
-    minecraftDir.decode(sys.getfilesystemencoding());
-
-saveFileDir = os.path.join(minecraftDir, u"saves")
  
 #if sys.platform == "win32":
 #    from win32com.shell import shell, shellcon

mclevelbase.py

@@ -73,4 +73,33 @@ def exhaust(_iter):
         pass
     return i
 
+
+# we need to decode file paths from environment variables or else we get an error
+# if they are formatted or joined to a unicode string
+import sys
+
+if sys.platform == "win32":
+    #not sure why win32com is needed if the %APPDATA% var is available
+    try:
+        import win32com.client
+        objShell = win32com.client.Dispatch("WScript.Shell")
+        appDataDir = objShell.SpecialFolders("AppData")
+        minecraftDir = os.path.join(appDataDir, u".minecraft")
+    except Exception, e:
+        print "Error while getting AppData folder using WScript.Shell.SpecialFolders: {0!r}".format(e)
+        appDataDir = os.environ['APPDATA'].decode(sys.getfilesystemencoding());
+        minecraftDir = os.path.join(appDataDir, u".minecraft")
+
+elif sys.platform == "darwin":
+    appDataDir = os.path.expanduser(u"~/Library/Application Support")
+    
+    minecraftDir = os.path.join(appDataDir, u"minecraft")
+    minecraftDir.decode(sys.getfilesystemencoding());
+else:
+    appDataDir = os.path.expanduser(u"~")
+    minecraftDir = os.path.expanduser(u"~/.minecraft")
+    minecraftDir.decode(sys.getfilesystemencoding());
+
+saveFileDir = os.path.join(minecraftDir, u"saves")
+
 from level import MCLevel, EntityLevel