mirror of https://github.com/acidanthera/audk.git
329 lines
12 KiB
Python
Executable File
329 lines
12 KiB
Python
Executable File
#!/usr/bin/env python
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"""This is a python script that takes user input from the command line and
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installs a far (Framework Archive Manifest) file into the workspace."""
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import os, sys, getopt, string, xml.dom.minidom, zipfile, md5
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from XmlRoutines import *
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from WorkspaceRoutines import *
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class Flags:
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"""Keep track of some command line flags and operating modes."""
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def __init__(self):
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self.verbose = False
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self.force = False
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self.reinstall = False
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self.dir = ''
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class Database:
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"""This class encapsulates the FrameworkDatabase file for the workspace we
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are operating on."""
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def __init__(self, filename="Tools/Conf/FrameworkDatabase.db"):
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# First try to get a lock file.
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self.DBFile = inWorkspace(filename)
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self.lockfile = inWorkspace("Tools/Conf/FrameworkDatabase.lock")
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if os.path.exists(self.lockfile):
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self.itsMyLockFile = False
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print "Error: The database file is locked by ", self.lockfile
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raise OSError("The Database is locked.")
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else:
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self.lock = open(self.lockfile, 'w')
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self.lock.write("pid "+str(os.getpid()))
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self.itsMyLockFile = True
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self.dom = XmlParseFile(inWorkspace(filename))
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self.installedPackages = {}
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self.installedPlatforms = {}
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self.installedFars = {}
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for spdfile in XmlList(self.dom, "/FrameworkDatabase/PackageList/Filename"):
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filename = str(XmlElementData(spdfile))
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spd = XmlParseFileSection(inWorkspace(filename), "SpdHeader")
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self.installedPackages[GetSpdGuidVersion(spd, 1)] = \
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XmlElement(spd, "/SpdHeader/PackageName")
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for fpdfile in XmlList(self.dom, "/FrameworkDatabase/PlatformList/Filename"):
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filename = str(XmlElementData(fpdfile))
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fpd = XmlParseFileSection(inWorkspace(filename), "PlatformHeader")
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self.installedPlatforms[GetFpdGuidVersion(fpd, 1)] = \
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XmlElement(fpd, "/PlatformHeader/PlatformName")
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for farfile in XmlList(self.dom, "/FrameworkDatabase/FarList/Filename"):
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farGuid = Guid(farfile.getAttribute("FarGuid"))
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self.installedFars[farGuid] = XmlElementData(farfile)
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self.packageList = XmlNode(self.dom, "/FrameworkDatabase/PackageList")
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self.platformList = XmlNode(self.dom, "/FrameworkDatabase/PlatformList")
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self.farList = XmlNode(self.dom, "/FrameworkDatabase/FarList")
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def __del__(self):
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if self.itsMyLockFile:
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self.lock.close()
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os.unlink(self.lockfile)
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def HasPackage(self, (guid, version)):
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"""Return true iff this package is already installed."""
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if version == "":
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# Look for the guid.
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for (g, v) in self.installedPackages.keys():
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if g == guid:
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return True
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return self.installedPackages.has_key((guid, version))
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def HasPlatform(self, (guid, version)):
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"""Return true iff this platform is already installed."""
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if version == "":
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# Look for the guid.
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for (g, v) in self.installedPlatforms.keys():
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if g == guid:
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return True
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return self.installedPlatforms.has_key((guid, version))
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def HasFar(self, farguid):
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"""Return true iff this far is already installed."""
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return self.installedFars.has_key(farguid)
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def AddPackage(self, f):
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"""Put this package in the database"""
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XmlAppendChildElement(self.packageList, "Filename", f)
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def AddPlatform(self, f):
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"""Put this platform in the database"""
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XmlAppendChildElement(self.platformList, "Filename", f)
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def AddFar(self, f, guid=""):
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"""Put this far in the database"""
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XmlAppendChildElement(self.farList, "Filename", f, {"FarGuid":guid} )
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def Write(self):
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"""Save the Xml tree out to the file."""
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if True:
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XmlSaveFile(self.dom, self.DBFile)
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else:
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f=open(self.DBFile, 'w')
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f.write(self.dom.toprettyxml(2*" "))
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f.close()
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def ExtractFile(zip, file, defaultDir="", workspaceLocation="", md5sum=""):
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"""Unzip a file."""
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if flags.verbose:
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print "Extracting ", file
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destFile = os.path.join(inWorkspace(workspaceLocation), str(file))
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destDir = os.path.dirname(destFile)
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mkdir(destDir)
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f = open(destFile, "w")
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contents = zip.read(os.path.join(defaultDir,file))
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if md5sum and (md5.md5(contents).hexdigest() != md5sum):
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print "Error: The md5 sum does not match on file %s." % file
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f.write(contents)
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f.close()
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def GetFpdGuidVersion(Dom, strip=0):
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"""Get the Guid and version of the fpd from a dom object."""
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gpath = ["PlatformSurfaceArea", "PlatformHeader", "GuidValue"]
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vpath = ["PlatformSurfaceArea", "PlatformHeader", "Version"]
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return Guid(XmlElement(Dom, "/".join(gpath[strip:]))), \
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XmlElement(Dom, "/".join(vpath[strip:]))
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def GetSpdGuidVersion(Dom, strip=0):
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"""Get the Guid and version of the spd from a dom object."""
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gpath = ["PackageSurfaceArea", "SpdHeader", "GuidValue"]
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vpath = ["PackageSurfaceArea", "SpdHeader", "Version"]
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return Guid(XmlElement(Dom, "/".join(gpath[strip:]))), \
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XmlElement(Dom, "/".join(vpath[strip:]))
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def InstallFar(farfile, workspaceLocation=""):
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"""Unpack the far an install it in the workspace. We need to adhere to the
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rules of far handling."""
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far = zipfile.ZipFile(farfile, "r")
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# Use this list to make sure we get everything from the far.
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zipContents = far.namelist()
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manifest = xml.dom.minidom.parseString(far.read("FrameworkArchiveManifest.xml"))
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zipContents.remove("FrameworkArchiveManifest.xml")
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fdb = Database()
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# First we need to make sure that the far will install cleanly.
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installError = False # Let's hope for the best.
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spdDoms = []
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farSpds = []
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# Check the packages
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for farPackage in XmlList(manifest, "/FrameworkArchiveManifest/FarPackageList/FarPackage/FarFilename"):
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spdfile = str(XmlElementData(farPackage))
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spd = XmlParseStringSection(far.read(spdfile), "SpdHeader")
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packageGV = GetSpdGuidVersion(spd, 1)
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if fdb.HasPackage(packageGV):
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if not flags.reinstall:
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print "Error: This package is already installed: ", spdfile
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installError = True
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# Build up a list of the package guid versions that this far is bringing in.
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# This is needed to satisfy dependencies of msas that are in the other packages of
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# this far.
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farSpds.append(packageGV)
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spdDoms.append((spd, spdfile))
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for spd, spdfile in spdDoms:
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# Now we need to get a list of every msa in this spd and check the package dependencies.
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for msafile in XmlList(spd, "/PackageSurfaceArea/MsaFiles/Filename"):
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msafilePath = str(os.path.join(os.path.dirname(spdfile), XmlElementData(msafile)))
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msa = XmlParseString(far.read(msafilePath))
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for package in XmlList(msa, "/ModuleSurfaceArea/PackageDependencies/Package"):
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guid = Guid(package.getAttribute("PackageGuid"))
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version = package.getAttribute("PackageVersion")
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# Does anyone provide this package?
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if not fdb.HasPackage((guid, version)) and not (guid, version) in farSpds:
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print ("Error: The module %s depends on the package guid %s version %s, which " + \
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"is not installed in the workspace, nor is it provided by this far.") \
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% (msafilePath, guid, version)
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installError = True
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# Check the platforms
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for farPlatform in XmlList(manifest, "/FrameworkArchiveManifest/FarPlatformList/FarPlatform/FarFilename"):
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fpdfile = str(XmlElementData(farPlatform))
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fpd = XmlParseString(far.read(fpdfile))
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if fdb.HasPlatform(GetFpdGuidVersion(fpd, 0)):
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if not flags.reinstall:
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print "Error: This platform is already installed: ", fpdfile
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installError = True
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# Now we need to check that all the Platforms (and modules?) that are
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# referenced by this fpd are installed in the workspace or are in this far.
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packagesNeeded = set()
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# Go through the dependencies
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for dependency in XmlList(fpd, "/PlatformSurfaceArea/FrameworkModules/ModuleSA") + \
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XmlList(fpd, "/PlatformSurfaceArea/FrameworkModules/ModuleSA/Libraries/Instance"):
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packagesNeeded.add((Guid(dependency.getAttribute("PackageGuid")),
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dependency.getAttribute("PackageVersion")))
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# Let's see if all the packages are in the workspace
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for guid, version in packagesNeeded:
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# Does anyone provide this package?
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if not fdb.HasPackage((guid, version)) and not (guid, version) in farSpds:
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print ("Error: The fpd %s depends on the package guid %s version %s, which " + \
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"is not installed in the workspace, nor is it provided by this far.") \
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% (fpdfile, guid, version)
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installError = True
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# Check the fars
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thisFarGuid = Guid(XmlElement(manifest, "/FrameworkArchiveManifest/FarHeader/GuidValue"))
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if fdb.HasFar(thisFarGuid):
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if not flags.reinstall:
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print "Error: There is a far with this guid already installed."
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installError = True
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# We can not do the install
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if installError:
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if flags.force:
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print "Warning: Ignoring previous errors as you requested."
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else:
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return False
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# Install the packages
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for farPackage in XmlList(manifest, "/FrameworkArchiveManifest/FarPackageList/FarPackage"):
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filename = XmlElement(farPackage, "FarPackage/FarFilename")
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if not flags.reinstall:
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fdb.AddPackage(filename)
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ExtractFile(far, filename, workspaceLocation)
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zipContents.remove(filename)
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DefaultPath = XmlElement(farPackage, "FarPackage/DefaultPath")
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for content in XmlList(farPackage, "FarPackage/Contents/FarFilename"):
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filename = XmlElementData(content)
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ExtractFile(far, filename, DefaultPath, workspaceLocation, md5sum=content.getAttribute("Md5Sum"))
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zipContents.remove(os.path.join(DefaultPath, filename))
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# Install the platforms
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for farPlatform in XmlList(manifest, "/FrameworkArchiveManifest/FarPlatformList/FarPlatform"):
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filename = XmlElement(farPlatform, "FarPlatform/FarFilename")
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if not flags.reinstall:
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fdb.AddPlatform(filename)
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ExtractFile(far, filename, "", workspaceLocation)
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zipContents.remove(filename)
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# Install the Contents
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for content in XmlList(manifest, "/FrameworkArchiveManifest/Contents/FarFilename"):
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filename = XmlElementData(content)
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ExtractFile(far, filename, "", workspaceLocation)
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zipContents.remove(filename)
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# What if there are more files in the far?
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if not zipContents == []:
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print "Warning: There are files in the far that were not expected: ", zipContents
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if not flags.reinstall:
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fdb.AddFar(farfile, thisFarGuid)
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# If everything has gone well, we can put the manifest file in a safe place...
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farDir = inWorkspace("Tools/Conf/InstalledFars/")
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mkdir(farDir)
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f=open(os.path.join(farDir, thisFarGuid), 'w')
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f.write(far.read("FrameworkArchiveManifest.xml"))
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f.close()
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# Write out the new database
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if not flags.reinstall:
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fdb.Write()
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far.close()
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# This acts like the main() function for the script, unless it is 'import'ed
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# into another script.
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if __name__ == '__main__':
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flags = Flags()
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# Process the command line args.
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optlist, args = getopt.getopt(sys.argv[1:], '?hvfd:', ['directory=', 'help', 'verbose', 'force', 'reinstall'])
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# First pass through the options list.
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for o, a in optlist:
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if o in ["-h", "-?", "--help"]:
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print """
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%s: Install a far (Framework Archive) into the current workspace.
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""" % os.path.basename(sys.argv[0])
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sys.exit()
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optlist.remove((o,a))
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if o in ["-v", "--verbose"]:
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flags.verbose = True
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if o in ["-d", "--directory"]:
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flags.dir = a
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if o in ["-f", "--force"]:
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flags.force = True
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if o in ["--reinstall"]:
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flags.reinstall = True
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for f in args:
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InstallFar(f)
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if args == []:
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print "Please pass a far filename on the command line."
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