240 lines
10 KiB
Python
Executable file
240 lines
10 KiB
Python
Executable file
#!/usr/bin/env python3
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import os
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import sys
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import yaml
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import time
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import glob
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import getpass
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import fileinput
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import subprocess
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def get_containers():
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container_list = subprocess.run(['sudo', '-u', user, 'podman', 'ps', '-a', '--no-trunc', '--sort=created', '--format',
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'{{.Names}}'], stdout=subprocess.PIPE).stdout.decode('utf-8').strip().split('\n')
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try:
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with open(os.path.expanduser('~/.config/blend/config.yaml')) as config_file:
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data = yaml.safe_load(config_file)
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order = data['container_order'].copy()
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order.reverse()
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container_list.reverse()
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for i in container_list:
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if i.strip() not in order:
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order.insert(0, i)
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for i, o in enumerate(order):
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if o not in container_list:
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del order[i]
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return order
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except:
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return container_list
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def list_use_container_bin():
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try:
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with open(os.path.expanduser('~/.config/blend/config.yaml')) as config_file:
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data = yaml.safe_load(config_file)
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return data['use_container_bins']
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except:
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return []
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def check_if_present(attr, desktop_str):
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for l in desktop_str:
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if l.startswith(attr + '='):
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return True
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return False
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def which(bin):
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results = []
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for dir in os.environ.get('PATH').split(':'):
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if os.path.isdir(dir):
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if os.path.basename(bin) in os.listdir(dir):
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results.append(os.path.join(dir, os.path.basename(bin)))
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if results == []:
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return None
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return results
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def create_container_binaries():
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_binaries = []
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remove_binaries = []
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for c in _list:
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c = c.strip()
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for i in con_get_output(c, '''find /usr/bin -type f -printf "%P\n" 2>/dev/null;
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find /usr/local/bin -type f -printf "%P\n" 2>/dev/null;''').split('\n'):
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i = i.strip()
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os.makedirs(os.path.expanduser(
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f'~/.local/bin/blend_{c}'), exist_ok=True)
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i_present = False
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orig_which_out = which(os.path.basename(i))
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which_out = None
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if orig_which_out != None:
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which_out = orig_which_out.copy()
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try:
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which_out.remove(os.path.expanduser(
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f'~/.local/bin/blend_bin/{os.path.basename(i)}'))
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except ValueError:
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pass
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if which_out == []:
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which_out = None
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if which_out != None and os.path.basename(i) not in _exceptions:
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i_present = True
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if os.path.basename(i) != 'host-spawn' and i != '' and not i_present:
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with open(os.path.expanduser(f'~/.local/bin/blend_{c}/{os.path.basename(i)}.tmp'), 'w') as f:
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f.write('#!/bin/bash\n')
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f.write(f'# blend container: {c};{i}\n')
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if os.path.basename(i) in _exceptions:
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f.write(f'# EXCEPTION\n')
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f.write('[ -f /run/.containerenv ] && { if [[ -e "/usr/bin/' + os.path.basename(i) + '" ]] || [[ -e "/usr/local/bin/' + os.path.basename(i) + '" ]]; then if [[ -e "/usr/bin/' + os.path.basename(i) + '" ]]; then /usr/bin/' + os.path.basename(
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i) + ' "$@"; elif [[ -e "/usr/local/bin/' + os.path.basename(i) + '" ]]; then /usr/local/bin/' + os.path.basename(i) + ' "$@"; fi; exit $?; else echo "This command can be accessed from the host, or from the container \'' + c + '\'."; exit 127; fi } || :\n')
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f.write(
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f'BLEND_ALLOW_ROOT= BLEND_NO_CHECK= blend enter -cn {c} -- {os.path.basename(i)} "$@"\n')
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# XXX: make this bit fully atomic
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os.chmod(os.path.expanduser(
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f'~/.local/bin/blend_{c}/{os.path.basename(i)}.tmp'), 0o775)
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subprocess.call(['mv', os.path.expanduser(f'~/.local/bin/blend_{c}/{os.path.basename(i)}.tmp'),
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os.path.expanduser(f'~/.local/bin/blend_{c}/{os.path.basename(i)}')])
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_binaries.append((c, os.path.basename(os.path.basename(i))))
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os.makedirs(os.path.expanduser(f'~/.local/bin/blend_bin'), exist_ok=True)
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for c, i in _binaries:
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try:
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os.symlink(os.path.expanduser(
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f'~/.local/bin/blend_{c}/{i}'), os.path.expanduser(f'~/.local/bin/blend_bin/{i}'))
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except FileExistsError:
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if subprocess.call(['grep', '-q', f'^# container: {c};{i}$', os.path.expanduser(f'~/.local/bin/blend_bin/{i}')], shell=False):
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os.remove(os.path.expanduser(f'~/.local/bin/blend_bin/{i}'))
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os.symlink(os.path.expanduser(
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f'~/.local/bin/blend_{c}/{i}'), os.path.expanduser(f'~/.local/bin/blend_bin/{i}'))
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for i in remove_binaries:
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try:
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os.remove(i)
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except:
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pass
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for b in os.listdir(os.path.expanduser(f'~/.local/bin/blend_bin')):
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if [_b for _b in _binaries if _b[1] == b] == []:
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os.remove(os.path.join(os.path.expanduser(
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f'~/.local/bin/blend_bin'), b))
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for b_dir in glob.glob(os.path.expanduser(f'~/.local/bin/blend_*')):
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if os.path.basename(b_dir) != 'blend_bin' and os.path.basename(b_dir)[6:] not in _list:
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subprocess.call(['rm', '-rf', b_dir], shell=False)
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def create_container_applications():
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_apps = []
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os.makedirs(os.path.expanduser(
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f'~/.local/share/applications'), exist_ok=True)
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for c in _list:
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c = c.strip()
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for i in con_get_output(c, 'find /usr/share/applications -type f 2>/dev/null; find /usr/local/share/applications -type f 2>/dev/null').split('\n'):
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orig_path = i.strip()
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i = os.path.basename(orig_path)
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i_present = (os.path.isfile(f'/usr/share/applications/{i}') or os.path.isfile(f'/usr/local/share/applications/{i}')
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or os.path.isfile(os.path.expanduser(f'~/.local/share/applications/{i}')))
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if i != '' and not i_present:
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with open(os.path.expanduser(f'~/.local/share/applications/blend;{i}'), 'w') as f:
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_ = con_get_output(
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c, f"sudo sed -i '/^DBusActivatable=/d' {orig_path}")
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_ = con_get_output(
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c, f"sudo sed -i '/^TryExec=/d' {orig_path}")
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contents = con_get_output(c, f'cat {orig_path}')
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f.write(contents)
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for line in fileinput.input(os.path.expanduser(f'~/.local/share/applications/blend;{i}'), inplace=True):
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if line.strip().startswith('Exec='):
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line = f'Exec=env BLEND_NO_CHECK= blend enter -cn {c} -- {line[5:]}\n'
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elif line.strip().startswith('Icon='):
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if '/' in line:
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line = line.strip()
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_ = con_get_output(
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c, f"mkdir -p ~/.local/share/blend/icons/file/\"{c}_{i}\"; cp {line[5:]} ~/.local/share/blend/icons/file/\"{c}_{i}\"")
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line = f'Icon={os.path.expanduser("~/.local/share/blend/icons/file/" + c + "_" + i + "/" + os.path.basename(line[5:]))}\n'
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else:
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line = line.strip()
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icons = con_get_output(c, f'''find /usr/share/icons /usr/share/pixmaps /var/lib/flatpak/exports/share/icons \\
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-type f -iname "*{line[5:]}*" 2> /dev/null | sort''').split('\r\n')
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_ = con_get_output(
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c, f"mkdir -p ~/.local/share/blend/icons/\"{c}_{i}\"; cp {icons[0]} ~/.local/share/blend/icons/\"{c}_{i}\"")
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line = f'Icon={os.path.expanduser("~/.local/share/blend/icons/" + c + "_" + i + "/" + os.path.basename(icons[0]))}\n'
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sys.stdout.write(line)
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os.chmod(os.path.expanduser(
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f'~/.local/share/applications/blend;{i}'), 0o775)
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_apps.append((c, i))
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del _
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for a in os.listdir(os.path.expanduser(f'~/.local/share/applications')):
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if a.startswith('blend;'):
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a = a.removeprefix('blend;')
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if [_a for _a in _apps if _a[1] == a] == []:
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os.remove(os.path.expanduser(
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f'~/.local/share/applications/blend;{a}'))
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def create_container_sessions(type='xsessions'):
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session_dir = f'/usr/share/{type}'
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os.makedirs('/usr/share/xsessions', exist_ok=True)
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for session in os.listdir(session_dir):
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if session.startswith(os.path.join(session_dir, 'blend-')):
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os.remove(os.path.join(session_dir, session))
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for c in _list:
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c = c.strip()
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for i in con_get_output(c, f'find {session_dir} -type f 2>/dev/null').split('\n'):
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orig_path = i.strip()
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i = os.path.basename(orig_path)
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if i != '':
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with open(os.path.expanduser(f'{session_dir}/blend-{c};{i}'), 'w') as f:
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contents = con_get_output(c, f'cat {orig_path}')
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f.write(contents)
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for line in fileinput.input(os.path.expanduser(f'/{session_dir}/blend-{c};{i}'), inplace=True):
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if line.strip().startswith('Name'):
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name = line.split('=')[1]
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line = f'Name=Container {c}: {name}'
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elif line.strip().startswith('Exec='):
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line = f'Exec=blend enter -cn {c} -- {line[5:]}'
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elif line.strip().startswith('TryExec='):
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continue
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sys.stdout.write(line)
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os.chmod(os.path.expanduser(
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f'{session_dir}/blend-{c};{i}'), 0o775)
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def con_get_output(name, cmd):
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try:
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return subprocess.run(['sudo', '-u', user, 'podman', 'exec', '--user', getpass.getuser(), '-it', name, 'bash', '-c', cmd],
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stdout=subprocess.PIPE, stderr=subprocess.DEVNULL, timeout=5).stdout.decode('UTF-8').strip()
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except subprocess.TimeoutExpired:
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return ''
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user = getpass.getuser()
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try:
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user = sys.argv[2]
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except:
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pass
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for c in get_containers():
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c = c.strip()
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subprocess.call(['podman', 'start', c])
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while True:
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_list = get_containers()
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_exceptions = list_use_container_bin()
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create_container_binaries()
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create_container_applications()
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time.sleep(1)
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