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|
inherit terminal
DEVSHELL = "${SHELL}"
python do_devshell () {
if d.getVarFlag("do_devshell", "manualfakeroot", True):
d.prependVar("DEVSHELL", "pseudo ")
fakeenv = d.getVar("FAKEROOTENV", True).split()
for f in fakeenv:
k = f.split("=")
d.setVar(k[0], k[1])
d.appendVar("OE_TERMINAL_EXPORTS", " " + k[0])
d.delVarFlag("do_devshell", "fakeroot")
oe_terminal(d.getVar('DEVSHELL', True), 'OpenEmbedded Developer Shell', d)
}
addtask devshell after do_patch
# The directory that the terminal starts in
DEVSHELL_STARTDIR ?= "${S}"
do_devshell[dirs] = "${DEVSHELL_STARTDIR}"
do_devshell[nostamp] = "1"
# devshell and fakeroot/pseudo need careful handling since only the final
# command should run under fakeroot emulation, any X connection should
# be done as the normal user. We therfore carefully construct the envionment
# manually
python () {
if d.getVarFlag("do_devshell", "fakeroot", True):
# We need to signal our code that we want fakeroot however we
# can't manipulate the environment and variables here yet (see YOCTO #4795)
d.setVarFlag("do_devshell", "manualfakeroot", "1")
d.delVarFlag("do_devshell", "fakeroot")
}
def devpyshell(d):
import code
import select
import signal
import termios
m, s = os.openpty()
sname = os.ttyname(s)
def noechoicanon(fd):
old = termios.tcgetattr(fd)
old[3] = old[3] &~ termios.ECHO &~ termios.ICANON
# &~ termios.ISIG
termios.tcsetattr(fd, termios.TCSADRAIN, old)
# No echo or buffering over the pty
noechoicanon(s)
pid = os.fork()
if pid:
os.close(m)
oe_terminal("oepydevshell-internal.py %s %d" % (sname, pid), 'OpenEmbedded Developer PyShell', d)
os._exit(0)
else:
os.close(s)
os.dup2(m, sys.stdin.fileno())
os.dup2(m, sys.stdout.fileno())
os.dup2(m, sys.stderr.fileno())
sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0)
sys.stdin = os.fdopen(sys.stdin.fileno(), 'r', 0)
bb.utils.nonblockingfd(sys.stdout)
bb.utils.nonblockingfd(sys.stderr)
bb.utils.nonblockingfd(sys.stdin)
_context = {
"os": os,
"bb": bb,
"time": time,
"d": d,
}
ps1 = "pydevshell> "
ps2 = "... "
buf = []
more = False
i = code.InteractiveInterpreter(locals=_context)
print("OE PyShell (PN = %s)\n" % d.getVar("PN", True))
def prompt(more):
if more:
prompt = ps2
else:
prompt = ps1
sys.stdout.write(prompt)
# Restore Ctrl+C since bitbake masks this
def signal_handler(signal, frame):
raise KeyboardInterrupt
signal.signal(signal.SIGINT, signal_handler)
child = None
prompt(more)
while True:
try:
try:
(r, _, _) = select.select([sys.stdin], [], [], 1)
if not r:
continue
line = sys.stdin.readline().strip()
if not line:
prompt(more)
continue
except EOFError as e:
sys.stdout.write("\n")
except (OSError, IOError) as e:
if e.errno == 11:
continue
if e.errno == 5:
return
raise
else:
if not child:
child = int(line)
continue
buf.append(line)
source = "\n".join(buf)
more = i.runsource(source, "<pyshell>")
if not more:
buf = []
prompt(more)
except KeyboardInterrupt:
i.write("\nKeyboardInterrupt\n")
buf = []
more = False
prompt(more)
except SystemExit:
# Easiest way to ensure everything exits
os.kill(child, signal.SIGTERM)
break
python do_devpyshell() {
import signal
try:
devpyshell(d)
except SystemExit:
# Stop the SIGTERM above causing an error exit code
return
finally:
return
}
addtask devpyshell after do_patch
do_devpyshell[nostamp] = "1"
|
