def __init__(self, pathname, ignoreUsageXml=False):
self.pathname = pathname
self.filenames = []
self.fileSize = 0
self.nested = []
self.nestedSize = 0
xusage = None
if not ignoreUsageXml:
# Look for a usage.xml file in this directory. If we find
# one, we read it for the file size and then stop here, as
# an optimization.
usageFilename = Filename(pathname, 'usage.xml')
doc = TiXmlDocument(usageFilename.toOsSpecific())
if doc.LoadFile():
xusage = doc.FirstChildElement('usage')
if xusage:
diskSpace = xusage.Attribute('disk_space')
try:
diskSpace = int(diskSpace or '')
except ValueError:
diskSpace = None
if diskSpace is not None:
self.fileSize = diskSpace
return
files = vfs.scanDirectory(self.pathname)
if files is None:
files = []
for vfile in files:
if hasattr(vfile, 'getMount'):
if not isinstance(vfile.getMount(), VirtualFileMountSystem):
# Not a real file; ignore it.
continue
if vfile.isDirectory():
# A nested directory.
subdir = ScanDirectoryNode(vfile.getFilename(),
ignoreUsageXml=ignoreUsageXml)
self.nested.append(subdir)
self.nestedSize += subdir.getTotalSize()
elif vfile.isRegularFile():
# A nested file.
self.filenames.append(vfile.getFilename())
self.fileSize += vfile.getFileSize()
else:
# Some other wacky file thing.
self.filenames.append(vfile.getFilename())
if xusage:
# Now update the usage.xml file with the newly-determined
# disk space.
xusage.SetAttribute('disk_space', str(self.getTotalSize()))
tfile = Filename.temporary(pathname.cStr(), '.xml')
if doc.SaveFile(tfile.toOsSpecific()):
tfile.renameTo(usageFilename)
def getUsage(self):
""" Returns the xusage element that is read from the usage.xml
file, or None if there is no usage.xml file. """
if not hasattr(PandaModules, 'TiXmlDocument'):
return None
filename = Filename(self.getPackageDir(), self.UsageBasename)
doc = TiXmlDocument(filename.toOsSpecific())
if not doc.LoadFile():
return None
xusage = doc.FirstChildElement('usage')
if not xusage:
return None
return copy.copy(xusage)
def readConfigXml(self):
""" Reads the config.xml file that may be present in the root
directory. """
if not hasattr(PandaModules, 'TiXmlDocument'):
return
from pandac.PandaModules import TiXmlDocument
filename = Filename(self.rootDir, self.ConfigBasename)
doc = TiXmlDocument(filename.toOsSpecific())
if not doc.LoadFile():
return
xconfig = doc.FirstChildElement('config')
if xconfig:
maxDiskUsage = xconfig.Attribute('max_disk_usage')
try:
self.maxDiskUsage = int(maxDiskUsage or '')
except ValueError:
pass
def writeConfigXml(self):
""" Rewrites the config.xml to the root directory. This isn't
called automatically; an application may call this after
adjusting some parameters (such as self.maxDiskUsage). """
from pandac.PandaModules import TiXmlDocument, TiXmlDeclaration, TiXmlElement
filename = Filename(self.rootDir, self.ConfigBasename)
doc = TiXmlDocument(filename.toOsSpecific())
decl = TiXmlDeclaration("1.0", "utf-8", "")
doc.InsertEndChild(decl)
xconfig = TiXmlElement('config')
xconfig.SetAttribute('max_disk_usage', str(self.maxDiskUsage))
doc.InsertEndChild(xconfig)
# Write the file to a temporary filename, then atomically move
# it to its actual filename, to avoid race conditions when
# updating this file.
tfile = Filename.temporary(self.rootDir.cStr(), '.xml')
if doc.SaveFile(tfile.toOsSpecific()):
tfile.renameTo(filename)
def markUsed(self):
""" Marks the package as having been used. This is normally
called automatically by installPackage(). """
if not hasattr(PandaModules, 'TiXmlDocument'):
return
if self.host.appRunner and self.host.appRunner.verifyContents == self.host.appRunner.P3DVCNever:
# Not allowed to write any files to the package directory.
return
if self.updated:
# If we've just installed a new version of the package,
# re-measure the actual disk space used.
self.diskSpace = self.__measureDiskSpace()
filename = Filename(self.getPackageDir(), self.UsageBasename)
doc = TiXmlDocument(filename.toOsSpecific())
if not doc.LoadFile():
decl = TiXmlDeclaration("1.0", "utf-8", "")
doc.InsertEndChild(decl)
xusage = doc.FirstChildElement('usage')
if not xusage:
doc.InsertEndChild(TiXmlElement('usage'))
xusage = doc.FirstChildElement('usage')
now = int(time.time())
count = xusage.Attribute('count_app')
try:
count = int(count or '')
except ValueError:
count = 0
xusage.SetAttribute('first_use', str(now))
count += 1
xusage.SetAttribute('count_app', str(count))
xusage.SetAttribute('last_use', str(now))
if self.updated:
xusage.SetAttribute('last_update', str(now))
self.updated = False
else:
# Since we haven't changed the disk space, we can just
# read it from the previous xml file.
diskSpace = xusage.Attribute('disk_space')
try:
diskSpace = int(diskSpace or '')
except ValueError:
# Unless it wasn't set already.
self.diskSpace = self.__measureDiskSpace()
xusage.SetAttribute('disk_space', str(self.diskSpace))
# Write the file to a temporary filename, then atomically move
# it to its actual filename, to avoid race conditions when
# updating this file.
tfile = Filename.temporary(self.getPackageDir().cStr(), '.xml')
if doc.SaveFile(tfile.toOsSpecific()):
tfile.renameTo(filename)
def installPackagesInto(self, hostDir, platform):
""" Installs the packages required by the .p3d file into
the specified directory, for the given platform. """
if not self.includeRequires:
return
pkgTree = PackageTree(platform, hostDir, self.hostUrl)
pkgTree.installPackage("images", None, self.standalone.host.hostUrl)
for name, version, hostUrl in self.requires:
pkgTree.installPackage(name, version, hostUrl)
# Remove the extracted files from the compressed archive, to save space.
vfs = VirtualFileSystem.getGlobalPtr()
for package in pkgTree.packages.values():
if package.uncompressedArchive:
archive = Filename(package.getPackageDir(),
package.uncompressedArchive.filename)
if not archive.exists():
continue
mf = Multifile()
# Make sure that it isn't mounted before altering it, just to be safe
vfs.unmount(archive)
os.chmod(archive.toOsSpecific(), 0644)
if not mf.openReadWrite(archive):
Installer.notify.warning("Failed to open archive %s" %
(archive))
continue
# We don't iterate over getNumSubfiles because we're
# removing subfiles while we're iterating over them.
subfiles = mf.getSubfileNames()
for subfile in subfiles:
# We do *NOT* call vfs.exists here in case the package is mounted.
if Filename(package.getPackageDir(), subfile).exists():
Installer.notify.debug(
"Removing already-extracted %s from multifile" %
(subfile))
mf.removeSubfile(subfile)
# This seems essential for mf.close() not to crash later.
mf.repack()
# If we have no subfiles left, we can just remove the multifile.
#if mf.getNumSubfiles() == 0:
# Installer.notify.info("Removing empty archive %s" % (package.uncompressedArchive.filename))
# mf.close()
# archive.unlink()
#else:
mf.close()
try:
os.chmod(archive.toOsSpecific(), 0444)
except:
pass
# Write out our own contents.xml file.
doc = TiXmlDocument()
decl = TiXmlDeclaration("1.0", "utf-8", "")
doc.InsertEndChild(decl)
xcontents = TiXmlElement("contents")
for package in pkgTree.packages.values():
xpackage = TiXmlElement('package')
xpackage.SetAttribute('name', package.packageName)
if package.platform:
xpackage.SetAttribute('platform', package.platform)
assert package.platform == platform
if package.packageVersion:
xpackage.SetAttribute('version', version)
xpackage.SetAttribute(
'filename', package.packageName + "/" +
package.packageVersion + "/" + package.descFileBasename)
else:
xpackage.SetAttribute(
'filename',
package.packageName + "/" + package.descFileBasename)
xcontents.InsertEndChild(xpackage)
doc.InsertEndChild(xcontents)
doc.SaveFile(Filename(hostDir, "contents.xml").toOsSpecific())