309 lines
10 KiB
Python
309 lines
10 KiB
Python
import logging
|
|
import oe.classutils
|
|
import shlex
|
|
from bb.process import Popen, ExecutionError
|
|
from distutils.version import LooseVersion
|
|
|
|
logger = logging.getLogger('BitBake.OE.Terminal')
|
|
|
|
|
|
class UnsupportedTerminal(Exception):
|
|
pass
|
|
|
|
class NoSupportedTerminals(Exception):
|
|
def __init__(self, terms):
|
|
self.terms = terms
|
|
|
|
|
|
class Registry(oe.classutils.ClassRegistry):
|
|
command = None
|
|
|
|
def __init__(cls, name, bases, attrs):
|
|
super(Registry, cls).__init__(name.lower(), bases, attrs)
|
|
|
|
@property
|
|
def implemented(cls):
|
|
return bool(cls.command)
|
|
|
|
|
|
class Terminal(Popen, metaclass=Registry):
|
|
def __init__(self, sh_cmd, title=None, env=None, d=None):
|
|
fmt_sh_cmd = self.format_command(sh_cmd, title)
|
|
try:
|
|
Popen.__init__(self, fmt_sh_cmd, env=env)
|
|
except OSError as exc:
|
|
import errno
|
|
if exc.errno == errno.ENOENT:
|
|
raise UnsupportedTerminal(self.name)
|
|
else:
|
|
raise
|
|
|
|
def format_command(self, sh_cmd, title):
|
|
fmt = {'title': title or 'Terminal', 'command': sh_cmd}
|
|
if isinstance(self.command, str):
|
|
return shlex.split(self.command.format(**fmt))
|
|
else:
|
|
return [element.format(**fmt) for element in self.command]
|
|
|
|
class XTerminal(Terminal):
|
|
def __init__(self, sh_cmd, title=None, env=None, d=None):
|
|
Terminal.__init__(self, sh_cmd, title, env, d)
|
|
if not os.environ.get('DISPLAY'):
|
|
raise UnsupportedTerminal(self.name)
|
|
|
|
class Gnome(XTerminal):
|
|
command = 'gnome-terminal -t "{title}" -x {command}'
|
|
priority = 2
|
|
|
|
def __init__(self, sh_cmd, title=None, env=None, d=None):
|
|
# Recent versions of gnome-terminal does not support non-UTF8 charset:
|
|
# https://bugzilla.gnome.org/show_bug.cgi?id=732127; as a workaround,
|
|
# clearing the LC_ALL environment variable so it uses the locale.
|
|
# Once fixed on the gnome-terminal project, this should be removed.
|
|
if os.getenv('LC_ALL'): os.putenv('LC_ALL','')
|
|
|
|
XTerminal.__init__(self, sh_cmd, title, env, d)
|
|
|
|
class Mate(XTerminal):
|
|
command = 'mate-terminal --disable-factory -t "{title}" -x {command}'
|
|
priority = 2
|
|
|
|
class Xfce(XTerminal):
|
|
command = 'xfce4-terminal -T "{title}" -e "{command}"'
|
|
priority = 2
|
|
|
|
class Terminology(XTerminal):
|
|
command = 'terminology -T="{title}" -e {command}'
|
|
priority = 2
|
|
|
|
class Konsole(XTerminal):
|
|
command = 'konsole --separate --workdir . -p tabtitle="{title}" -e {command}'
|
|
priority = 2
|
|
|
|
def __init__(self, sh_cmd, title=None, env=None, d=None):
|
|
# Check version
|
|
vernum = check_terminal_version("konsole")
|
|
if vernum and LooseVersion(vernum) < '2.0.0':
|
|
# Konsole from KDE 3.x
|
|
self.command = 'konsole -T "{title}" -e {command}'
|
|
elif vernum and LooseVersion(vernum) < '16.08.1':
|
|
# Konsole pre 16.08.01 Has nofork
|
|
self.command = 'konsole --nofork --workdir . -p tabtitle="{title}" -e {command}'
|
|
XTerminal.__init__(self, sh_cmd, title, env, d)
|
|
|
|
class XTerm(XTerminal):
|
|
command = 'xterm -T "{title}" -e {command}'
|
|
priority = 1
|
|
|
|
class Rxvt(XTerminal):
|
|
command = 'rxvt -T "{title}" -e {command}'
|
|
priority = 1
|
|
|
|
class Screen(Terminal):
|
|
command = 'screen -D -m -t "{title}" -S devshell {command}'
|
|
|
|
def __init__(self, sh_cmd, title=None, env=None, d=None):
|
|
s_id = "devshell_%i" % os.getpid()
|
|
self.command = "screen -D -m -t \"{title}\" -S %s {command}" % s_id
|
|
Terminal.__init__(self, sh_cmd, title, env, d)
|
|
msg = 'Screen started. Please connect in another terminal with ' \
|
|
'"screen -r %s"' % s_id
|
|
if (d):
|
|
bb.event.fire(bb.event.LogExecTTY(msg, "screen -r %s" % s_id,
|
|
0.5, 10), d)
|
|
else:
|
|
logger.warn(msg)
|
|
|
|
class TmuxRunning(Terminal):
|
|
"""Open a new pane in the current running tmux window"""
|
|
name = 'tmux-running'
|
|
command = 'tmux split-window "{command}"'
|
|
priority = 2.75
|
|
|
|
def __init__(self, sh_cmd, title=None, env=None, d=None):
|
|
if not bb.utils.which(os.getenv('PATH'), 'tmux'):
|
|
raise UnsupportedTerminal('tmux is not installed')
|
|
|
|
if not os.getenv('TMUX'):
|
|
raise UnsupportedTerminal('tmux is not running')
|
|
|
|
if not check_tmux_pane_size('tmux'):
|
|
raise UnsupportedTerminal('tmux pane too small or tmux < 1.9 version is being used')
|
|
|
|
Terminal.__init__(self, sh_cmd, title, env, d)
|
|
|
|
class TmuxNewWindow(Terminal):
|
|
"""Open a new window in the current running tmux session"""
|
|
name = 'tmux-new-window'
|
|
command = 'tmux new-window -n "{title}" "{command}"'
|
|
priority = 2.70
|
|
|
|
def __init__(self, sh_cmd, title=None, env=None, d=None):
|
|
if not bb.utils.which(os.getenv('PATH'), 'tmux'):
|
|
raise UnsupportedTerminal('tmux is not installed')
|
|
|
|
if not os.getenv('TMUX'):
|
|
raise UnsupportedTerminal('tmux is not running')
|
|
|
|
Terminal.__init__(self, sh_cmd, title, env, d)
|
|
|
|
class Tmux(Terminal):
|
|
"""Start a new tmux session and window"""
|
|
command = 'tmux new -d -s devshell -n devshell "{command}"'
|
|
priority = 0.75
|
|
|
|
def __init__(self, sh_cmd, title=None, env=None, d=None):
|
|
if not bb.utils.which(os.getenv('PATH'), 'tmux'):
|
|
raise UnsupportedTerminal('tmux is not installed')
|
|
|
|
# TODO: consider using a 'devshell' session shared amongst all
|
|
# devshells, if it's already there, add a new window to it.
|
|
window_name = 'devshell-%i' % os.getpid()
|
|
|
|
self.command = 'tmux new -d -s {0} -n {0} "{{command}}"'.format(window_name)
|
|
Terminal.__init__(self, sh_cmd, title, env, d)
|
|
|
|
attach_cmd = 'tmux att -t {0}'.format(window_name)
|
|
msg = 'Tmux started. Please connect in another terminal with `tmux att -t {0}`'.format(window_name)
|
|
if d:
|
|
bb.event.fire(bb.event.LogExecTTY(msg, attach_cmd, 0.5, 10), d)
|
|
else:
|
|
logger.warn(msg)
|
|
|
|
class Custom(Terminal):
|
|
command = 'false' # This is a placeholder
|
|
priority = 3
|
|
|
|
def __init__(self, sh_cmd, title=None, env=None, d=None):
|
|
self.command = d and d.getVar('OE_TERMINAL_CUSTOMCMD')
|
|
if self.command:
|
|
if not '{command}' in self.command:
|
|
self.command += ' {command}'
|
|
Terminal.__init__(self, sh_cmd, title, env, d)
|
|
logger.warn('Custom terminal was started.')
|
|
else:
|
|
logger.debug(1, 'No custom terminal (OE_TERMINAL_CUSTOMCMD) set')
|
|
raise UnsupportedTerminal('OE_TERMINAL_CUSTOMCMD not set')
|
|
|
|
|
|
def prioritized():
|
|
return Registry.prioritized()
|
|
|
|
def get_cmd_list():
|
|
terms = Registry.prioritized()
|
|
cmds = []
|
|
for term in terms:
|
|
if term.command:
|
|
cmds.append(term.command)
|
|
return cmds
|
|
|
|
def spawn_preferred(sh_cmd, title=None, env=None, d=None):
|
|
"""Spawn the first supported terminal, by priority"""
|
|
for terminal in prioritized():
|
|
try:
|
|
spawn(terminal.name, sh_cmd, title, env, d)
|
|
break
|
|
except UnsupportedTerminal:
|
|
continue
|
|
else:
|
|
raise NoSupportedTerminals(get_cmd_list())
|
|
|
|
def spawn(name, sh_cmd, title=None, env=None, d=None):
|
|
"""Spawn the specified terminal, by name"""
|
|
logger.debug(1, 'Attempting to spawn terminal "%s"', name)
|
|
try:
|
|
terminal = Registry.registry[name]
|
|
except KeyError:
|
|
raise UnsupportedTerminal(name)
|
|
|
|
# We need to know when the command completes but some terminals (at least
|
|
# gnome and tmux) gives us no way to do this. We therefore write the pid
|
|
# to a file using a "phonehome" wrapper script, then monitor the pid
|
|
# until it exits.
|
|
import tempfile
|
|
import time
|
|
pidfile = tempfile.NamedTemporaryFile(delete = False).name
|
|
try:
|
|
sh_cmd = bb.utils.which(os.getenv('PATH'), "oe-gnome-terminal-phonehome") + " " + pidfile + " " + sh_cmd
|
|
pipe = terminal(sh_cmd, title, env, d)
|
|
output = pipe.communicate()[0]
|
|
if output:
|
|
output = output.decode("utf-8")
|
|
if pipe.returncode != 0:
|
|
raise ExecutionError(sh_cmd, pipe.returncode, output)
|
|
|
|
while os.stat(pidfile).st_size <= 0:
|
|
time.sleep(0.01)
|
|
continue
|
|
with open(pidfile, "r") as f:
|
|
pid = int(f.readline())
|
|
finally:
|
|
os.unlink(pidfile)
|
|
|
|
while True:
|
|
try:
|
|
os.kill(pid, 0)
|
|
time.sleep(0.1)
|
|
except OSError:
|
|
return
|
|
|
|
def check_tmux_pane_size(tmux):
|
|
import subprocess as sub
|
|
# On older tmux versions (<1.9), return false. The reason
|
|
# is that there is no easy way to get the height of the active panel
|
|
# on current window without nested formats (available from version 1.9)
|
|
vernum = check_terminal_version("tmux")
|
|
if vernum and LooseVersion(vernum) < '1.9':
|
|
return False
|
|
try:
|
|
p = sub.Popen('%s list-panes -F "#{?pane_active,#{pane_height},}"' % tmux,
|
|
shell=True,stdout=sub.PIPE,stderr=sub.PIPE)
|
|
out, err = p.communicate()
|
|
size = int(out.strip())
|
|
except OSError as exc:
|
|
import errno
|
|
if exc.errno == errno.ENOENT:
|
|
return None
|
|
else:
|
|
raise
|
|
|
|
return size/2 >= 19
|
|
|
|
def check_terminal_version(terminalName):
|
|
import subprocess as sub
|
|
try:
|
|
cmdversion = '%s --version' % terminalName
|
|
if terminalName.startswith('tmux'):
|
|
cmdversion = '%s -V' % terminalName
|
|
newenv = os.environ.copy()
|
|
newenv["LANG"] = "C"
|
|
p = sub.Popen(['sh', '-c', cmdversion], stdout=sub.PIPE, stderr=sub.PIPE, env=newenv)
|
|
out, err = p.communicate()
|
|
ver_info = out.decode().rstrip().split('\n')
|
|
except OSError as exc:
|
|
import errno
|
|
if exc.errno == errno.ENOENT:
|
|
return None
|
|
else:
|
|
raise
|
|
vernum = None
|
|
for ver in ver_info:
|
|
if ver.startswith('Konsole'):
|
|
vernum = ver.split(' ')[-1]
|
|
if ver.startswith('GNOME Terminal'):
|
|
vernum = ver.split(' ')[-1]
|
|
if ver.startswith('MATE Terminal'):
|
|
vernum = ver.split(' ')[-1]
|
|
if ver.startswith('tmux'):
|
|
vernum = ver.split()[-1]
|
|
return vernum
|
|
|
|
def distro_name():
|
|
try:
|
|
p = Popen(['lsb_release', '-i'])
|
|
out, err = p.communicate()
|
|
distro = out.split(':')[1].strip().lower()
|
|
except:
|
|
distro = "unknown"
|
|
return distro
|