157 lines
4.6 KiB
Python
157 lines
4.6 KiB
Python
import logging
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import os
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import oe.classutils
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import shlex
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from bb.process import Popen, ExecutionError
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logger = logging.getLogger('BitBake.OE.Terminal')
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class UnsupportedTerminal(StandardError):
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pass
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class NoSupportedTerminals(StandardError):
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pass
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class Registry(oe.classutils.ClassRegistry):
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command = None
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def __init__(cls, name, bases, attrs):
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super(Registry, cls).__init__(name.lower(), bases, attrs)
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@property
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def implemented(cls):
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return bool(cls.command)
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class Terminal(Popen):
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__metaclass__ = Registry
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def __init__(self, command, title=None, env=None):
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self.format_command(command, title)
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try:
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Popen.__init__(self, self.command, env=env)
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except OSError as exc:
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import errno
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if exc.errno == errno.ENOENT:
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raise UnsupportedTerminal(self.name)
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else:
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raise
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def format_command(self, command, title):
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fmt = {'title': title or 'Terminal', 'command': command}
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if isinstance(self.command, basestring):
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self.command = shlex.split(self.command.format(**fmt))
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else:
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self.command = [element.format(**fmt) for element in self.command]
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class XTerminal(Terminal):
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def __init__(self, command, title=None, env=None):
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Terminal.__init__(self, command, title, env)
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if not os.environ.get('DISPLAY'):
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raise UnsupportedTerminal(self.name)
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class Gnome(XTerminal):
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command = 'gnome-terminal --disable-factory -t "{title}" -x {command}'
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priority = 2
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class Xfce(XTerminal):
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command = 'Terminal -T "{title}" -e "{command}"'
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priority = 2
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def __init__(self, command, title=None, env=None):
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# Upstream binary name is Terminal but Debian/Ubuntu use
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# xfce4-terminal to avoid possible(?) conflicts
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distro = distro_name()
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if distro == 'ubuntu' or distro == 'debian':
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cmd = 'xfce4-terminal -T "{title}" -e "{command}"'
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else:
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cmd = command
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XTerminal.__init__(self, cmd, title, env)
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class Konsole(XTerminal):
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command = 'konsole -T "{title}" -e {command}'
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priority = 2
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def __init__(self, command, title=None, env=None):
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# Check version
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vernum = check_konsole_version("konsole")
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if vernum:
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if vernum.split('.')[0] == "2":
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logger.debug(1, 'Konsole from KDE 4.x will not work as devshell, skipping')
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raise UnsupportedTerminal(self.name)
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XTerminal.__init__(self, command, title, env)
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class XTerm(XTerminal):
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command = 'xterm -T "{title}" -e {command}'
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priority = 1
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class Rxvt(XTerminal):
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command = 'rxvt -T "{title}" -e {command}'
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priority = 1
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class Screen(Terminal):
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command = 'screen -D -m -t "{title}" -S devshell {command}'
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def __init__(self, command, title=None, env=None):
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Terminal.__init__(self, command, title, env)
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logger.warn('Screen started. Please connect in another terminal with '
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'"screen -r devshell"')
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def prioritized():
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return Registry.prioritized()
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def spawn_preferred(command, title=None, env=None):
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"""Spawn the first supported terminal, by priority"""
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for terminal in prioritized():
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try:
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spawn(terminal.name, command, title, env)
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break
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except UnsupportedTerminal:
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continue
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else:
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raise NoSupportedTerminals()
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def spawn(name, command, title=None, env=None):
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"""Spawn the specified terminal, by name"""
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logger.debug(1, 'Attempting to spawn terminal "%s"', name)
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try:
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terminal = Registry.registry[name]
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except KeyError:
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raise UnsupportedTerminal(name)
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pipe = terminal(command, title, env)
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output = pipe.communicate()[0]
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if pipe.returncode != 0:
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raise ExecutionError(pipe.command, pipe.returncode, output)
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def check_konsole_version(konsole):
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import subprocess as sub
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try:
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p = sub.Popen(['sh', '-c', '%s --version' % konsole],stdout=sub.PIPE,stderr=sub.PIPE)
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out, err = p.communicate()
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ver_info = out.rstrip().split('\n')
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except OSError as exc:
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import errno
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if exc.errno == errno.ENOENT:
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return None
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else:
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raise
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vernum = None
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for ver in ver_info:
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if ver.startswith('Konsole'):
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vernum = ver.split(' ')[-1]
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return vernum
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def distro_name():
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try:
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p = Popen(['lsb_release', '-i'])
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out, err = p.communicate()
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distro = out.split(':')[1].strip().lower()
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except:
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distro = "unknown"
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return distro
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