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# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
from _emerge.AsynchronousTask import AsynchronousTask
from portage.util import writemsg
import io
import sys
import portage
from portage import os
from portage.package.ebuild.fetch import _checksum_failure_temp_file
class BinpkgVerifier(AsynchronousTask):
__slots__ = ("logfile", "pkg", "scheduler")
def _start(self):
"""
Note: Unlike a normal AsynchronousTask.start() method,
this one does all work is synchronously. The returncode
attribute will be set before it returns.
"""
pkg = self.pkg
root_config = pkg.root_config
bintree = root_config.trees["bintree"]
rval = os.EX_OK
stdout_orig = sys.stdout
stderr_orig = sys.stderr
global_havecolor = portage.output.havecolor
out = io.StringIO()
file_exists = True
try:
sys.stdout = out
sys.stderr = out
if portage.output.havecolor:
portage.output.havecolor = not self.background
try:
bintree.digestCheck(pkg)
except portage.exception.FileNotFound:
writemsg("!!! Fetching Binary failed " + \
"for '%s'\n" % pkg.cpv, noiselevel=-1)
rval = 1
file_exists = False
except portage.exception.DigestException as e:
writemsg("\n!!! Digest verification failed:\n",
noiselevel=-1)
writemsg("!!! %s\n" % e.value[0],
noiselevel=-1)
writemsg("!!! Reason: %s\n" % e.value[1],
noiselevel=-1)
writemsg("!!! Got: %s\n" % e.value[2],
noiselevel=-1)
writemsg("!!! Expected: %s\n" % e.value[3],
noiselevel=-1)
rval = 1
if rval == os.EX_OK:
pass
elif file_exists:
pkg_path = bintree.getname(pkg.cpv)
head, tail = os.path.split(pkg_path)
temp_filename = _checksum_failure_temp_file(head, tail)
writemsg("File renamed to '%s'\n" % (temp_filename,),
noiselevel=-1)
finally:
sys.stdout = stdout_orig
sys.stderr = stderr_orig
portage.output.havecolor = global_havecolor
msg = out.getvalue()
if msg:
self.scheduler.output(msg, log_path=self.logfile,
background=self.background)
self.returncode = rval
self.wait()
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