def __init__(self, packageName, version, host):
self.packageName = packageName
self.version = version
self.host = host
# This will be filled in properly by checkDescFile() or
# getDescFile(); in the meantime, set a placeholder.
self.package = PackageInfo(host, packageName, version)
# Set true when the package has finished downloading,
# either successfully or unsuccessfully.
self.done = False
# Set true or false when self.done has been set.
self.success = False
# Set true when the packageFinished() callback has been
# delivered.
self.notified = False
# These are used to ensure the callbacks only get
# delivered once for a particular package.
self.calledPackageStarted = False
self.calledPackageFinished = False
# This is the amount of stuff we have to process to
# install this package, and the amount of stuff we have
# processed so far. "Stuff" includes bytes downloaded,
# bytes uncompressed, and bytes extracted; and each of
# which is weighted differently into one grand total. So,
# the total doesn't really represent bytes; it's a
# unitless number, which means something only as a ratio
# to other packages. Filled in by checkDescFile() or
# getDescFile().
self.downloadEffort = 0
# Similar, but this is the theoretical effort if the
# package were already downloaded.
self.prevDownloadedEffort = 0
def __makePackage(self, name, platform, version, solo, perPlatform):
""" Creates a new PackageInfo entry for the given name,
version, and platform. If there is already a matching
PackageInfo, returns it. """
if not platform:
platform = None
platforms = self.packages.setdefault((name, version or ""), {})
package = platforms.get("", None)
if not package:
package = PackageInfo(self, name, version, platform = platform,
solo = solo, asMirror = self.asMirror,
perPlatform = perPlatform)
platforms[platform or ""] = package
return package
def __makePackage(self, name, platform, version, solo):
""" Creates a new PackageInfo entry for the given name,
version, and platform. If there is already a matching
PackageInfo, returns it. """
if not platform:
# Ensure that we're on the same page with non-specified
# platforms. We always use None, not empty string.
platform = None
platforms = self.packages.setdefault((name, version), {})
package = platforms.get(platform, None)
if not package:
package = PackageInfo(self, name, version, platform = platform,
solo = solo, asMirror = self.asMirror)
platforms[platform] = package
return package
def __init__(self, packageName, version, host):
self.packageName = packageName
self.version = version
self.host = host
# This will be filled in properly by checkDescFile() or
# getDescFile(); in the meantime, set a placeholder.
self.package = PackageInfo(host, packageName, version)
# Set true when the package has finished downloading,
# either successfully or unsuccessfully.
self.done = False
# Set true or false when self.done has been set.
self.success = False
# Set true when the packageFinished() callback has been
# delivered.
self.notified = False
# These are used to ensure the callbacks only get
# delivered once for a particular package.
self.calledPackageStarted = False
self.calledPackageFinished = False
# This is the amount of stuff we have to process to
# install this package, and the amount of stuff we have
# processed so far. "Stuff" includes bytes downloaded,
# bytes uncompressed, and bytes extracted; and each of
# which is weighted differently into one grand total. So,
# the total doesn't really represent bytes; it's a
# unitless number, which means something only as a ratio
# to other packages. Filled in by checkDescFile() or
# getDescFile().
self.downloadEffort = 0
# Similar, but this is the theoretical effort if the
# package were already downloaded.
self.prevDownloadedEffort = 0
class PendingPackage:
""" This class describes a package added to the installer for
download. """
notify = directNotify.newCategory("PendingPackage")
def __init__(self, packageName, version, host):
self.packageName = packageName
self.version = version
self.host = host
# This will be filled in properly by checkDescFile() or
# getDescFile(); in the meantime, set a placeholder.
self.package = PackageInfo(host, packageName, version)
# Set true when the package has finished downloading,
# either successfully or unsuccessfully.
self.done = False
# Set true or false when self.done has been set.
self.success = False
# Set true when the packageFinished() callback has been
# delivered.
self.notified = False
# These are used to ensure the callbacks only get
# delivered once for a particular package.
self.calledPackageStarted = False
self.calledPackageFinished = False
# This is the amount of stuff we have to process to
# install this package, and the amount of stuff we have
# processed so far. "Stuff" includes bytes downloaded,
# bytes uncompressed, and bytes extracted; and each of
# which is weighted differently into one grand total. So,
# the total doesn't really represent bytes; it's a
# unitless number, which means something only as a ratio
# to other packages. Filled in by checkDescFile() or
# getDescFile().
self.downloadEffort = 0
# Similar, but this is the theoretical effort if the
# package were already downloaded.
self.prevDownloadedEffort = 0
def __cmp__(self, pp):
""" Python comparision function. This makes all
PendingPackages withe same (packageName, version, host)
combination be deemed equivalent. """
return cmp((self.packageName, self.version, self.host),
(pp.packageName, pp.version, pp.host))
def getProgress(self):
""" Returns the download progress of this package in the
range 0..1. """
return self.package.downloadProgress
def checkDescFile(self):
""" Returns true if the desc file is already downloaded
and good, or false if it needs to be downloaded. """
if not self.host.hasCurrentContentsFile():
# If the contents file isn't ready yet, we can't check
# the desc file yet.
return False
# All right, get the package info now.
package = self.host.getPackage(self.packageName, self.version)
if not package:
self.notify.warning(
"Package %s %s not known on %s" %
(self.packageName, self.version, self.host.hostUrl))
return False
self.package = package
self.package.checkStatus()
if not self.package.hasDescFile:
return False
self.downloadEffort = self.package.getDownloadEffort()
self.prevDownloadEffort = 0
if self.downloadEffort == 0:
self.prevDownloadedEffort = self.package.getPrevDownloadedEffort(
)
return True
def getDescFile(self, http):
""" Synchronously downloads the desc files required for
the package. """
if not self.host.downloadContentsFile(http):
return False
# All right, get the package info now.
package = self.host.getPackage(self.packageName, self.version)
if not package:
self.notify.warning(
"Package %s %s not known on %s" %
(self.packageName, self.version, self.host.hostUrl))
return False
self.package = package
if not self.package.downloadDescFile(http):
return False
self.package.checkStatus()
self.downloadEffort = self.package.getDownloadEffort()
self.prevDownloadEffort = 0
if self.downloadEffort == 0:
self.prevDownloadedEffort = self.package.getPrevDownloadedEffort(
)
return True
class PendingPackage:
""" This class describes a package added to the installer for
download. """
notify = directNotify.newCategory("PendingPackage")
def __init__(self, packageName, version, host):
self.packageName = packageName
self.version = version
self.host = host
# This will be filled in properly by checkDescFile() or
# getDescFile(); in the meantime, set a placeholder.
self.package = PackageInfo(host, packageName, version)
# Set true when the package has finished downloading,
# either successfully or unsuccessfully.
self.done = False
# Set true or false when self.done has been set.
self.success = False
# Set true when the packageFinished() callback has been
# delivered.
self.notified = False
# These are used to ensure the callbacks only get
# delivered once for a particular package.
self.calledPackageStarted = False
self.calledPackageFinished = False
# This is the amount of stuff we have to process to
# install this package, and the amount of stuff we have
# processed so far. "Stuff" includes bytes downloaded,
# bytes uncompressed, and bytes extracted; and each of
# which is weighted differently into one grand total. So,
# the total doesn't really represent bytes; it's a
# unitless number, which means something only as a ratio
# to other packages. Filled in by checkDescFile() or
# getDescFile().
self.downloadEffort = 0
# Similar, but this is the theoretical effort if the
# package were already downloaded.
self.prevDownloadedEffort = 0
def __cmp__(self, pp):
""" Python comparision function. This makes all
PendingPackages withe same (packageName, version, host)
combination be deemed equivalent. """
return cmp((self.packageName, self.version, self.host),
(pp.packageName, pp.version, pp.host))
def getProgress(self):
""" Returns the download progress of this package in the
range 0..1. """
return self.package.downloadProgress
def checkDescFile(self):
""" Returns true if the desc file is already downloaded
and good, or false if it needs to be downloaded. """
if not self.host.hasCurrentContentsFile():
# If the contents file isn't ready yet, we can't check
# the desc file yet.
return False
# All right, get the package info now.
package = self.host.getPackage(self.packageName, self.version)
if not package:
self.notify.warning("Package %s %s not known on %s" % (
self.packageName, self.version, self.host.hostUrl))
return False
self.package = package
self.package.checkStatus()
if not self.package.hasDescFile:
return False
self.downloadEffort = self.package.getDownloadEffort()
self.prevDownloadEffort = 0
if self.downloadEffort == 0:
self.prevDownloadedEffort = self.package.getPrevDownloadedEffort()
return True
def getDescFile(self, http):
""" Synchronously downloads the desc files required for
the package. """
if not self.host.downloadContentsFile(http):
return False
# All right, get the package info now.
package = self.host.getPackage(self.packageName, self.version)
if not package:
self.notify.warning("Package %s %s not known on %s" % (
self.packageName, self.version, self.host.hostUrl))
return False
self.package = package
if not self.package.downloadDescFile(http):
return False
self.package.checkStatus()
self.downloadEffort = self.package.getDownloadEffort()
self.prevDownloadEffort = 0
if self.downloadEffort == 0:
self.prevDownloadedEffort = self.package.getPrevDownloadedEffort()
return True
