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#!/usr/bin/python3
import atexit
import fcntl
import io
import os
import pickle
import signal
import selectors
import subprocess
import sys
import time
import sisyphus.checkenv
import sisyphus.getclr
import sisyphus.getfs
import sisyphus.killemerge
import sisyphus.solverevdeps
import sisyphus.syncdb
def set_nonblocking(fd):
flags = fcntl.fcntl(fd, fcntl.F_GETFL)
fcntl.fcntl(fd, fcntl.F_SETFL, flags | os.O_NONBLOCK)
def spinner_animation():
spinner = ['-', '\\', '|', '/']
sel = selectors.DefaultSelector()
sel.register(sys.stdin, selectors.EVENT_READ)
for _ in range(10):
for char in spinner:
sys.stdout.write('\b' + char)
sys.stdout.flush()
events = sel.select(timeout=0.1)
if events:
return
sys.stdout.write('\b')
def sigint_handler(signal, frame):
sys.exit(0)
signal.signal(signal.SIGINT, sigint_handler)
def start(pkgname, depclean=False, gfx_ui=False, unmerge=False):
args = ['--quiet', '--depclean']
if not sisyphus.checkenv.root() and (unmerge or depclean):
print(f"{sisyphus.getclr.bright_red}\nRoot permissions are required to perform this action.\n{sisyphus.getclr.reset}")
sys.exit()
else:
if gfx_ui:
sisyphus.solverevdeps.start.__wrapped__(
pkgname, depclean=True, unmerge=False)
else:
if unmerge:
sisyphus.solverevdeps.start.__wrapped__(
pkgname, depclean=False, unmerge=True)
else:
sisyphus.solverevdeps.start(
pkgname, depclean=True, unmerge=False)
is_installed, is_needed, is_vague, rm_list = pickle.load(
open(os.path.join(sisyphus.getfs.p_mtd_dir, "sisyphus_pkgrevdeps.pickle"), "rb"))
if is_vague != 0: # catch ambiguous packages
if unmerge:
p_exe = subprocess.Popen(
['emerge', '--unmerge', '--quiet', '--pretend', '--verbose'] + list(pkgname))
try:
p_exe.wait()
except KeyboardInterrupt:
p_exe.terminate()
try:
p_exe.wait(1)
except subprocess.TimeoutExpired:
p_exe.kill()
sys.exit()
else:
if gfx_ui:
pass # GUI always calls <category>/<pkgname>, no ambiguity
else:
p_exe = subprocess.Popen(
['emerge'] + args + ['--pretend', '--verbose'] + list(pkgname))
try:
p_exe.wait()
except KeyboardInterrupt:
p_exe.terminate()
try:
p_exe.wait(1)
except subprocess.TimeoutExpired:
p_exe.kill()
sys.exit()
elif is_needed != 0:
if unmerge:
pass
else:
if gfx_ui:
p_exe = subprocess.Popen(['emerge'] + args + ['--pretend', '--verbose'] + list(
pkgname), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
# kill portage if the program dies or it's terminated by the user
atexit.register(sisyphus.killemerge.start, p_exe)
for p_out in io.TextIOWrapper(p_exe.stdout, encoding="utf-8"):
print(p_out.rstrip())
p_exe.wait()
print(
"\nUnable to proceed! There are other packages with dependencies that prevent removal.")
for i in range(9, 0, -1):
print(f"Killing application in : {i} seconds!")
time.sleep(1)
os.kill(os.getpid(), signal.SIGTERM) # kill GUI window
else:
p_exe = subprocess.Popen(
['emerge'] + args + ['--pretend', '--verbose'] + list(pkgname))
try:
set_nonblocking(sys.stdout.fileno())
spinner_animation()
sel = selectors.DefaultSelector()
sel.register(sys.stdin, selectors.EVENT_READ)
while True:
events = sel.select(timeout=0.1)
for key, mask in events:
if key.fileobj == sys.stdin:
line = sys.stdin.readline().strip()
if line.lower() == 'q':
sys.exit()
if p_exe.poll() is not None:
break
except KeyboardInterrupt:
p_exe.terminate()
try:
p_exe.wait(1)
except subprocess.TimeoutExpired:
p_exe.kill()
sys.exit()
finally:
p_exe.wait()
print(f"{sisyphus.getclr.bright_red}\nUnable to proceed! Other packages have dependencies preventing removal.{sisyphus.getclr.reset}")
print(f"{sisyphus.getclr.bright_white}Use the {sisyphus.getclr.reset}{sisyphus.getclr.green}'--force'{sisyphus.getclr.reset}{sisyphus.getclr.bright_white} option to override at your own risk!{sisyphus.getclr.reset}\n")
sys.exit()
else:
if is_installed == 0:
if gfx_ui:
print(
"\nUnable to proceed! One or more selected packages could not be located for removal.")
for i in range(9, 0, -1):
print(f"Killing application in : {i} seconds!")
time.sleep(1)
os.kill(os.getpid(), signal.SIGTERM) # kill GUI window
else:
print(f"{sisyphus.getclr.bright_red}\nUnable to proceed! One or more selected packages could not be located for removal.\n{sisyphus.getclr.reset}")
sys.exit()
else:
if unmerge:
print(f"\n{sisyphus.getclr.green}These are the selected packages that would be{sisyphus.getclr.reset} 'forcefully' {sisyphus.getclr.green}unmerged, in order:{sisyphus.getclr.reset}\n")
print(
f"\n{sisyphus.getclr.magenta}{', '.join(rm_list)}{sisyphus.getclr.reset}\n")
print(
f"\n{sisyphus.getclr.bright_white}Total: {len(rm_list)} package(s){sisyphus.getclr.reset}\n")
while True:
user_input = input(
f"{sisyphus.getclr.bright_white}Would you like to proceed?{sisyphus.getclr.reset} [{sisyphus.getclr.bright_green}Yes{sisyphus.getclr.reset}/{sisyphus.getclr.bright_red}No{sisyphus.getclr.reset}] ")
if user_input.lower() in ['yes', 'y', '']:
while True:
confirmation_input = input(
f"{sisyphus.getclr.bright_white}Are you sure you would like to proceed?{sisyphus.getclr.reset} [{sisyphus.getclr.bright_green}Yes{sisyphus.getclr.reset}/{sisyphus.getclr.bright_red}No{sisyphus.getclr.reset}] ")
if confirmation_input.lower() in ['yes', 'y', '']:
p_exe = subprocess.Popen(
['emerge', '--quiet', '--unmerge'] + list(pkgname))
try:
set_nonblocking(sys.stdout.fileno())
spinner_animation()
sel = selectors.DefaultSelector()
sel.register(
sys.stdin, selectors.EVENT_READ)
while True:
events = sel.select(timeout=0.1)
for key, mask in events:
if key.fileobj == sys.stdin:
line = sys.stdin.readline().strip()
if line.lower() == 'q':
sys.exit()
if p_exe.poll() is not None:
break
except KeyboardInterrupt:
p_exe.terminate()
try:
p_exe.wait(1)
except subprocess.TimeoutExpired:
p_exe.kill()
sys.exit()
finally:
p_exe.wait()
sisyphus.syncdb.lcl_tbl()
break
elif confirmation_input.lower() in ['no', 'n']:
break
else:
print(
f"\nApologies, the response '{confirmation_input}' was not recognized.\n")
continue
break
elif user_input.lower() in ['no', 'n']:
break
else:
print(
f"\nApologies, the response '{user_input}' was not recognized.\n")
continue
else:
if gfx_ui:
p_exe = subprocess.Popen(
['emerge'] + args + pkgname, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
# kill portage if the program dies or it's terminated by the user
atexit.register(sisyphus.killemerge.start, p_exe)
for p_out in io.TextIOWrapper(p_exe.stdout, encoding="utf-8"):
print(p_out.rstrip())
p_exe.wait()
sisyphus.syncdb.lcl_tbl()
else:
print(f"\n{sisyphus.getclr.green}These are the selected packages that would be{sisyphus.getclr.reset} 'safely' {sisyphus.getclr.green}unmerged, in order:{sisyphus.getclr.reset}\n")
print(
f"\n{sisyphus.getclr.magenta}{', '.join(rm_list)}{sisyphus.getclr.reset}\n")
print(
f"\n{sisyphus.getclr.bright_white}Total: {len(rm_list)} package(s){sisyphus.getclr.reset}\n")
while True:
user_input = input(
f"{sisyphus.getclr.bright_white}Would you like to proceed?{sisyphus.getclr.reset} [{sisyphus.getclr.bright_green}Yes{sisyphus.getclr.reset}/{sisyphus.getclr.bright_red}No{sisyphus.getclr.reset}] ")
if user_input.lower() in ['yes', 'y', '']:
p_exe = subprocess.Popen(
['emerge'] + args + list(pkgname))
try:
set_nonblocking(sys.stdout.fileno())
spinner_animation()
sel = selectors.DefaultSelector()
sel.register(sys.stdin, selectors.EVENT_READ)
while True:
events = sel.select(timeout=0.1)
for key, mask in events:
if key.fileobj == sys.stdin:
line = sys.stdin.readline().strip()
if line.lower() == 'q':
sys.exit()
if p_exe.poll() is not None:
break
except KeyboardInterrupt:
p_exe.terminate()
try:
p_exe.wait(1)
except subprocess.TimeoutExpired:
p_exe.kill()
sys.exit()
finally:
p_exe.wait()
sisyphus.syncdb.lcl_tbl()
break
elif user_input.lower() in ['no', 'n']:
break
else:
print(
f"\nApologies, the response '{user_input}' was not recognized.\n")
continue
|
