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#!/usr/bin/python3
import animation
import os
import pickle
import signal
import subprocess
import sys
import sisyphus.getfs
def sigint_handler(signal, frame):
sys.exit(0)
signal.signal(signal.SIGINT, sigint_handler)
@animation.wait('resolving reverse dependencies')
def start(pkgname=None, depclean=False, unmerge=False):
is_installed = int(1)
is_needed = int(0)
is_vague = int(0)
if unmerge:
is_needed = int(0)
try:
p_exe = subprocess.Popen(['emerge', '--unmerge', '--quiet', '--pretend', '--verbose'] + list(
pkgname), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = p_exe.communicate()
for p_out in stderr.decode('utf-8').splitlines():
if any(key in p_out for key in ["Couldn't find",
"to depclean."]):
is_installed = int(0)
if any(key in p_out for key in ["short ebuild name",
"is ambiguous"]):
is_vague = int(1)
except KeyboardInterrupt:
p_exe.terminate()
try:
p_exe.wait(1)
except subprocess.TimeoutExpired:
p_exe.kill()
sys.exit()
else:
try:
p_exe = subprocess.Popen(['emerge', '--depclean', '--quiet', '--pretend',
'--verbose'] + list(pkgname), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = p_exe.communicate()
for p_out in stdout.decode('utf-8').splitlines():
if any(key in p_out for key in ["pulled in by:",
"required"]):
is_needed = int(1)
for p_out in stderr.decode('utf-8').splitlines():
if any(key in p_out for key in ["Couldn't find",
"to depclean."]):
is_installed = int(0)
if any(key in p_out for key in ["short ebuild name",
"is ambiguous"]):
is_vague = int(1)
except KeyboardInterrupt:
p_exe.terminate()
try:
p_exe.wait(1)
except subprocess.TimeoutExpired:
p_exe.kill()
sys.exit()
pickle.dump([is_installed, is_needed, is_vague], open(os.path.join(
sisyphus.getfs.p_mtd_dir, "sisyphus_pkgrevdeps.pickle"), "wb"))
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