Don't just assume that the metadata files will be found

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@30165 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/distrib/mac/uninstall_wxPython.py

@@ -42,24 +42,38 @@ COMMON_FILES = [ '/usr/local/bin/*',
 class AccessError(Exception):
     pass
 
+class ReceiptError(Exception):
+    pass
+
 
 class InstalledReceipt(object):
     def __init__(self, rcptPath):
         self.rcptPath = rcptPath
         self.rsrcPath = os.path.join(rcptPath, RSRCDIR)
-        self.bomFile = glob.glob(os.path.join(self.rsrcPath, "*.bom"))[0]
+        bf = glob.glob(os.path.join(self.rsrcPath, "*.bom"))
+        if bf:
+            self.bomFile = bf[0]
+        else:
+            print "WARNING: Unable to find %s/*.bom" % self.rsrcPath
+            raise ReceiptError
         self.findMetaData()
 
 
     def findMetaData(self):
         # TODO: Make this be able to also look at Info.plist files
-        infoFile = glob.glob(os.path.join(self.rsrcPath, "*.info"))[0]
+        infoFiles = glob.glob(os.path.join(self.rsrcPath, "*.info"))
+        if infoFiles:
+            # there should be only one
+            infoFile = infoFiles[0]
             self.mdata = {}
             for line in open(infoFile, "r").readlines():
                 line = line.strip()
                 if line and line[0] != '#':
                     ls = line.split()
                     self.mdata[ls[0]] = line[len(ls[0])+1:]
+        else:
+            print "WARNING: Unable to find %s/*.info" % self.rsrcPath
+            raise ReceiptError
             
 
     def getFileList(self):
@@ -155,8 +169,11 @@ class InstalledReceipt(object):
 def findInstalled():
     installed = []
     for name in glob.glob(os.path.join(RCPTDIR, "wxPython*")):
+        try:
             ir = InstalledReceipt(name)
             installed.append(ir)
+        except ReceiptError:
+            pass  # just skip it...
 
     return installed