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#!/usr/bin/python3
import atexit
import fcntl
import io
import os
import signal
import selectors
import subprocess
import sys
import sisyphus.checkenv
import sisyphus.getclr
import sisyphus.killemerge
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(gfx_ui=False):
args = ['--quiet', '--depclean']
if sisyphus.checkenv.root() and not gfx_ui:
print("\n" + sisyphus.getclr.bright_white + "Orphaned, no longer needed packages are slated for" + sisyphus.getclr.reset + " " +
sisyphus.getclr.green + "'safe'" + sisyphus.getclr.reset + " " + sisyphus.getclr.bright_white + "removal." + sisyphus.getclr.reset + "\n")
while True:
user_input = input(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)
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("\nSorry, response" + " " + "'" +
user_input + "'" + " " + "not understood.\n")
continue
elif gfx_ui:
p_exe = subprocess.Popen(
['emerge'] + args, 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(sisyphus.getclr.bright_red +
"\nYou need root permissions to do this!\n" + sisyphus.getclr.reset)
sys.exit()
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