def _exec_remove(self):
for (mediainfo, pkgset, comment, touches) in self._remove_operations[:]:
for pkg in pkgset.packages():
srcpath = self.distro.package_path(mediainfo, pkg)
srcdir = os.path.dirname(srcpath)
filename = os.path.basename(srcpath)
dstpath = os.path.join(self.storedir, filename)
# TODO allow ignoring this kind of error
if not os.path.exists(srcpath):
raise TransactionError("cannot find file: %s" %
(srcpath))
if util.same_partition(self.storedir, srcdir):
logger.debug("renaming %s to %s", srcpath, dstpath)
try:
os.rename(srcpath, dstpath)
except EnvironmentError, e:
raise TransactionError("failed to move file from "
"%s to %s: %s" % (srcpath, dstpath, e))
else:
cpcmd = self.config.get_copy_command()
cpcmd.append(srcpath)
cpcmd.append(dstpath)
logger.debug("running %s", cpcmd)
try:
cmd.run(cpcmd)
except cmd.CommandError, e:
raise TransactionError("failed to copy file from "
"%s to %s: %s" % (srcpath, dstpath, e))
logger.debug("unlinking %s", srcpath)
try:
os.unlink(srcpath)
except EnvironmentError, e:
raise TransactionError("failed to unlink %s: %s" %
(srcpath, e))
def _exec_install(self):
params = []
for (media, pkgset, comment, touches) in self._install_operations[:]:
for pkg in pkgset.packages():
srcdir = os.path.dirname(pkg.path)
if not os.path.exists(pkg.path):
raise TransactionError("cannot find %s" % (pkg.path))
if not os.access(srcdir, os.W_OK):
raise TransactionError("no write permission for %s" %
(pkg.path))
dstpath = self.distro.package_path(media, pkg)
dstdir = os.path.dirname(os.path.abspath(dstpath))
if not os.access(dstdir, os.W_OK):
raise TransactionError("no write permission for the "
"destination directory: %s" % (dstdir))
paths = set()
for (media, pkgset, comment, touches) in self._install_operations[:]:
for pkg in pkgset.packages():
if pkg.path in paths:
# prevent collision between operations that may involve
# the same file (the default install action vs. the
# debug package filter)
continue
else:
paths.add(pkg.path)
dstpath = self.distro.package_path(media, pkg)
dstdir = os.path.dirname(os.path.abspath(dstpath))
srcdir = os.path.dirname(os.path.abspath(pkg.path))
if not os.path.exists(pkg.path):
raise TransactionError("cannot find file: %s" %
(pkg.path))
if util.same_partition(srcdir, dstdir):
logger.debug("renaming %s to %s", pkg.path, dstpath)
try:
os.rename(pkg.path, dstpath)
except EnvironmentError, e:
raise TransactionError("failed to move file from "
"%s to %s: %s" % (pkg.path, dstpath, e))
else:
cpcmd = self.config.get_copy_command()
cpcmd.append(pkg.path)
cpcmd.append(dstpath)
logger.debug("running command %s", cpcmd)
try:
cmd.run(cpcmd)
except cmd.CommandError, e:
raise TransactionError("failed to copy file from "
"%s to %s: %s" % (pkg.path, dstpath, e))
try:
args = self.config.get_chmod_command()
args.append(self.config.package_copy_mode)
args.append(dstpath)
cmd.run(args)
except cmd.CommandError, e:
raise TransactionError("failed to set permissions "
"for %s: %s" % (dstpath, e))
