Move check for XMLSRC to etg command instead of when the etgtools are imported.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@73569 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

build.py

@@ -606,6 +606,8 @@ def doxhtml(options, args):
 def etg(options, args):
     cmdTimer = CommandTimer('etg')
     cfg = Config()
+    assert os.path.exists(cfg.DOXY_XML_DIR), "Doxygen XML folder not found: " + cfg.DOXY_XML_DIR
+    
     pwd = pushDir(cfg.ROOT_DIR)
 
     # TODO: Better support for selecting etg cmd-line flags...

etgtools/__init__.py

@@ -26,7 +26,6 @@ cfg = Config(noWxConfig=True)
 
 phoenixRoot = cfg.ROOT_DIR
 XMLSRC = cfg.DOXY_XML_DIR
-assert os.path.exists(XMLSRC), "Unable to locate Doxygen XML files at " + XMLSRC
 
 
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