some cache-busting

direct/src/p3d/Packager.py

@@ -519,6 +519,7 @@ class Packager:
                 self.packageBasename += '.mf'
                 packageDir += '/'
 
+            self.packageDir = packageDir
             self.packageFilename = packageDir + self.packageBasename
             self.packageDesc = packageDir + self.packageDesc
             self.packageImportDesc = packageDir + self.packageImportDesc
@@ -550,8 +551,8 @@ class Packager:
                 # Make the application file executable.
                 os.chmod(self.packageFullpath.toOsSpecific(), 0755)
             else:
-                self.compressMultifile()
                 self.readDescFile()
+                self.compressMultifile()
                 self.writeDescFile()
                 self.writeImportDescFile()
 
@@ -944,8 +945,15 @@ class Packager:
         def compressMultifile(self):
             """ Compresses the .mf file into an .mf.pz file. """
 
-            compressedName = self.packageFilename + '.pz'
-            compressedPath = Filename(self.packager.installDir, compressedName)
+            if self.oldCompressedBasename:
+                # Remove the previous compressed file first.
+                compressedPath = Filename(self.packager.installDir, Filename(self.packageDir, self.oldCompressedBasename))
+                compressedPath.unlink()
+
+            newCompressedFilename = '%s.pz' % (self.packageFilename)
+
+            # Now build the new version.
+            compressedPath = Filename(self.packager.installDir, newCompressedFilename)
             if not compressFile(self.packageFullpath, compressedPath, 6):
                 message = 'Unable to write %s' % (compressedPath)
                 raise PackagerError, message
@@ -957,6 +965,8 @@ class Packager:
 
             self.patchVersion = None
             self.patches = []
+
+            self.oldCompressedBasename = None
             
             packageDescFullpath = Filename(self.packager.installDir, self.packageDesc)
             doc = TiXmlDocument(packageDescFullpath.toOsSpecific())
@@ -967,6 +977,12 @@ class Packager:
             if not xpackage:
                 return
 
+            xcompressed = xpackage.FirstChildElement('compressed_archive')
+            if xcompressed:
+                compressedFilename = xcompressed.Attribute('filename')
+                if compressedFilename:
+                    self.oldCompressedBasename = compressedFilename
+
             patchVersion = xpackage.Attribute('patch_version')
             if not patchVersion:
                 patchVersion = xpackage.Attribute('last_patch_version')

direct/src/p3d/PatchMaker.py

@@ -299,6 +299,24 @@ class PatchMaker:
                 self.baseFile = FileSpec()
                 self.baseFile.loadXml(xarchive)
 
+            # Put the patchVersion in the compressed filename, for
+            # cache-busting.  This means when the version changes, its
+            # URL will also change, guaranteeing that users will
+            # download the latest version, and not some stale cache
+            # file.
+            xcompressed = xpackage.FirstChildElement('compressed_archive')
+            if xcompressed:
+                compressedFile = FileSpec()
+                compressedFile.loadXml(xcompressed)
+
+                oldCompressedFilename = compressedFile.filename
+                newCompressedFilename = '%s.%s.pz' % (self.currentFile.filename, self.patchVersion)
+                oldCompressedPathname = Filename(self.packageDir, oldCompressedFilename)
+                newCompressedPathname = Filename(self.packageDir, newCompressedFilename)
+                if oldCompressedPathname.renameTo(newCompressedPathname):
+                    compressedFile.fromFile(self.packageDir, newCompressedFilename)
+                    compressedFile.storeXml(xcompressed)
+
             self.patches = []
             xpatch = xpackage.FirstChildElement('patch')
             while xpatch:

direct/src/p3d/ppatcher.py

@@ -35,7 +35,15 @@ This script is actually a wrapper around Panda's PatchMaker.py.
 
 Usage:
 
-  %(prog)s [opts]
+  %(prog)s [opts] [packageName1 .. packageNameN]
+
+Parameters:
+
+  packageName1 .. packageNameN
+    Specify the names of the package(s) you wish to generate patches
+    for.  This allows you to build patches for only a subset of the
+    packages found in the tree.  If you omit these parameters, patches
+    are built for all packages that require them.
 
 Options:
 
@@ -43,11 +51,6 @@ Options:
      The full path to the install directory.  This should be the same
      directory named by the -i parameter to ppackage.
 
-  -p packageName
-     Generates patches for the named package only.  This may be
-     repeated to name multiple packages.  If this is omitted, all
-     packages in the directory are scanned.
-
   -h
      Display this help
 """
@@ -65,18 +68,14 @@ def usage(code, msg = ''):
     sys.exit(code)
 
 try:
-    opts, args = getopt.getopt(sys.argv[1:], 'i:p:h')
+    opts, args = getopt.getopt(sys.argv[1:], 'i:h')
 except getopt.error, msg:
     usage(1, msg)
 
 installDir = None
-packageNames = []
-
 for opt, arg in opts:
     if opt == '-i':
         installDir = Filename.fromOsSpecific(arg)
-    elif opt == '-p':
-        packageNames.append(arg)
         
     elif opt == '-h':
         usage(0)
@@ -84,8 +83,7 @@ for opt, arg in opts:
         print 'illegal option: ' + flag
         sys.exit(1)
 
-if args:
-    usage(1)
+packageNames = args
 
 if not installDir:
     installDir = Filename('install')