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Classes | Public Member Functions | Public Attributes | List of all members
PatchMaker Class Reference

Classes

class  Package
 
class  PackageVersion
 
class  Patchfile
 

Public Member Functions

 __init__ (self, installDir)
 
 buildPatch (self, v1, v2, package, patchFilename)
 
 buildPatchChains (self)
 
 buildPatches (self, packageNames=None)
 
 buildPatchFile (self, origFilename, newFilename, patchFilename, printOrigName, printNewName)
 
 cleanup (self)
 
 getPackageVersion (self, key)
 
 getPatchChainToCurrent (self, descFilename, fileSpec)
 
 processAllPackages (self)
 
 processPackage (self, package)
 
 processSomePackages (self, packageNames)
 
 readContentsFile (self)
 
 readPackageDescFile (self, descFilename)
 
 recordPatchfile (self, patchfile)
 
 writeContentsFile (self)
 

Public Attributes

 contentsDoc
 
 installDir
 
 packages
 
 packageVersions
 
 patchFilenames
 

Detailed Description

 This class will operate on an existing package install
directory, as generated by the Packager, and create patchfiles
between versions as needed.  It is also used at runtime, to apply
the downloaded patches. 

Constructor & Destructor Documentation

◆ __init__()

__init__ ( self,
installDir )

Member Function Documentation

◆ buildPatch()

buildPatch ( self,
v1,
v2,
package,
patchFilename )
 Builds a patch from PackageVersion v1 to PackageVersion
v2, and stores it in patchFilename.pz.  Returns true on
success, false on failure.

◆ buildPatchChains()

buildPatchChains ( self)
 Builds up the chains of PackageVersions and the patchfiles
that connect them. 

◆ buildPatches()

buildPatches ( self,
packageNames = None )
 Makes the patches required in a particular directory
structure on disk.  If packageNames is None, this makes
patches for all packages; otherwise, it should be a list of
package name strings, limiting the set of packages that are
processed. 

◆ buildPatchFile()

buildPatchFile ( self,
origFilename,
newFilename,
patchFilename,
printOrigName,
printNewName )
 Creates a patch file from origFilename to newFilename,
storing the result in patchFilename.  Returns true on success,
false on failure. 

◆ cleanup()

cleanup ( self)
 Should be called on exit to remove temporary files and
such created during processing. 

◆ getPackageVersion()

getPackageVersion ( self,
key )
 Returns a shared PackageVersion object for the indicated
key. 

◆ getPatchChainToCurrent()

getPatchChainToCurrent ( self,
descFilename,
fileSpec )
 Reads the package defined in the indicated desc file, and
constructs a patch chain from the version represented by
fileSpec to the current version of this package, if possible.
Returns the patch chain if successful, or None otherwise. 

◆ processAllPackages()

processAllPackages ( self)
 Walks through the list of packages, and builds missing
patches for each one. 

◆ processPackage()

processPackage ( self,
package )
 Builds missing patches for the indicated package. 

◆ processSomePackages()

processSomePackages ( self,
packageNames )
 Builds missing patches only for the named packages. 

◆ readContentsFile()

readContentsFile ( self)
 Reads the contents.xml file at the beginning of
processing. 

◆ readPackageDescFile()

readPackageDescFile ( self,
descFilename )
 Reads a desc file associated with a particular package,
and adds the package to self.packages.  Returns the Package
object, or None on failure. 

◆ recordPatchfile()

recordPatchfile ( self,
patchfile )
 Adds the indicated patchfile to the patch chains. 

◆ writeContentsFile()

writeContentsFile ( self)
 Writes the contents.xml file at the end of processing. 

Member Data Documentation

◆ contentsDoc

contentsDoc

◆ installDir

installDir

◆ packages

packages

◆ packageVersions

packageVersions

◆ patchFilenames

patchFilenames