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#!/usr/bin/python3
import animation
import os
import pickle
import re
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):
pattern = r'(\b[a-zA-Z0-9-_]+/[a-zA-Z0-9-_]+):\s+([0-9]+(\.[0-9]+){0,4})'
rm_list = []
args = ['--quiet', '--pretend', '--verbose']
args += ['--unmerge'] if unmerge else ['--depclean']
if pkgname:
args += list(pkgname)
is_installed = int(1)
is_needed = int(0)
is_vague = int(0)
try:
p_exe = subprocess.Popen(
['emerge'] + args, stdout=subprocess.PIPE, stderr=subprocess.PIPE
)
stdout, stderr = p_exe.communicate()
for p_out in stdout.decode('utf-8').splitlines():
match = re.search(pattern, p_out)
if match:
to_remove = f"{match.group(1)}-{match.group(2)}"
rm_list.append(to_remove)
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, rm_list], open(
os.path.join(sisyphus.getfs.p_mtd_dir, "sisyphus_pkgrevdeps.pickle"), "wb"))
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