def info_name(package_name, useinstalldb=False):
"""Fetch package information for the given package."""
installdb = pisilinux.db.installdb.InstallDB()
packagedb = pisilinux.db.packagedb.PackageDB()
if useinstalldb:
package = installdb.get_package(package_name)
repo = None
else:
package, repo = packagedb.get_package_repo(package_name)
metadata = pisilinux.metadata.MetaData()
metadata.package = package
#FIXME: get it from sourcedb if available
metadata.source = None
#TODO: fetch the files from server if possible (wow, you maniac -- future exa)
if useinstalldb and installdb.has_package(package.name):
try:
files = installdb.get_files(package.name)
except pisilinux.Error as e:
ctx.ui.warning(e)
files = None
else:
files = None
return metadata, files, repo
def generate_pending_order(A):
# returns pending package list in reverse topological order of dependency
installdb = pisilinux.db.installdb.InstallDB()
G_f = pgraph.PGraph(installdb) # construct G_f
for x in A:
G_f.add_package(x)
B = A
while len(B) > 0:
Bp = set()
for x in B:
pkg = installdb.get_package(x)
for dep in pkg.runtimeDependencies():
if dep.package in G_f.vertices():
G_f.add_dep(x, dep)
B = Bp
if ctx.get_option('debug'):
import sys
G_f.write_graphviz(sys.stdout)
order = G_f.topological_sort()
order.reverse()
componentdb = pisilinux.db.componentdb.ComponentDB()
# Bug 4211
if componentdb.has_component('system.base'):
order = reorder_base_packages(order)
return order
def snapshot():
"""
Takes snapshot of the system packages. The snapshot is only a record of which packages are currently
installed. The record is kept by pisilinux history mechanism as it works automatically on install, remove
and upgrade operations.
"""
installdb = pisilinux.db.installdb.InstallDB()
historydb = pisilinux.db.historydb.HistoryDB()
historydb.create_history("snapshot")
li = installdb.list_installed()
progress = ctx.ui.Progress(len(li))
processed = 0
for name in installdb.list_installed():
package = installdb.get_package(name)
historydb.add_package(pkgBefore=package, operation="snapshot")
# Save changed config files of the package in snapshot
for f in installdb.get_files(name).list:
if f.type == "config" and pisilinux.util.config_changed(f):
fpath = pisilinux.util.join_path(ctx.config.dest_dir(), f.path)
historydb.save_config(name, fpath)
processed += 1
ctx.ui.display_progress(operation = "snapshot",
percent = progress.update(processed),
info = _("Taking snapshot of the system"))
historydb.update_history()
def configure_pending(packages=None):
# Import COMAR
import pisilinux.comariface
# start with pending packages
# configure them in reverse topological order of dependency
installdb = pisilinux.db.installdb.InstallDB()
if not packages:
packages = installdb.list_pending()
else:
packages = set(packages).intersection(installdb.list_pending())
order = generate_pending_order(packages)
try:
for x in order:
if installdb.has_package(x):
pkginfo = installdb.get_package(x)
pkg_path = installdb.package_path(x)
m = pisilinux.metadata.MetaData()
metadata_path = pisilinux.util.join_path(pkg_path, ctx.const.metadata_xml)
m.read(metadata_path)
# FIXME: we need a full package info here!
pkginfo.name = x
ctx.ui.notify(pisilinux.ui.configuring, package = pkginfo, files = None)
pisilinux.comariface.post_install(
pkginfo.name,
m.package.providesComar,
pisilinux.util.join_path(pkg_path, ctx.const.comar_dir),
pisilinux.util.join_path(pkg_path, ctx.const.metadata_xml),
pisilinux.util.join_path(pkg_path, ctx.const.files_xml),
None,
None,
m.package.version,
m.package.release
)
ctx.ui.notify(pisilinux.ui.configured, package = pkginfo, files = None)
installdb.clear_pending(x)
except ImportError:
raise pisilinux.Error(_("comar package is not fully installed"))