Squashed 'yocto-poky/' content from commit ea562de
git-subtree-dir: yocto-poky
git-subtree-split: ea562de57590c966cd5a75fda8defecd397e6436
diff --git a/scripts/oepydevshell-internal.py b/scripts/oepydevshell-internal.py
new file mode 100755
index 0000000..f7b2e4e
--- /dev/null
+++ b/scripts/oepydevshell-internal.py
@@ -0,0 +1,92 @@
+#!/usr/bin/env python
+
+import os
+import sys
+import time
+import select
+import fcntl
+import termios
+import readline
+import signal
+
+def nonblockingfd(fd):
+ fcntl.fcntl(fd, fcntl.F_SETFL, fcntl.fcntl(fd, fcntl.F_GETFL) | os.O_NONBLOCK)
+
+def echonocbreak(fd):
+ old = termios.tcgetattr(fd)
+ old[3] = old[3] | termios.ECHO | termios.ICANON
+ termios.tcsetattr(fd, termios.TCSADRAIN, old)
+
+def cbreaknoecho(fd):
+ old = termios.tcgetattr(fd)
+ old[3] = old[3] &~ termios.ECHO &~ termios.ICANON
+ termios.tcsetattr(fd, termios.TCSADRAIN, old)
+
+if len(sys.argv) != 3:
+ print("Incorrect parameters")
+ sys.exit(1)
+
+pty = open(sys.argv[1], "w+b", 0)
+parent = int(sys.argv[2])
+
+# Don't buffer output by line endings
+sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0)
+sys.stdin = os.fdopen(sys.stdin.fileno(), 'r', 0)
+nonblockingfd(pty)
+nonblockingfd(sys.stdin)
+
+
+histfile = os.path.expanduser("~/.oedevpyshell-history")
+readline.parse_and_bind("tab: complete")
+try:
+ readline.read_history_file(histfile)
+except IOError:
+ pass
+
+try:
+
+ i = ""
+ o = ""
+ # Need cbreak/noecho whilst in select so we trigger on any keypress
+ cbreaknoecho(sys.stdin.fileno())
+ # Send our PID to the other end so they can kill us.
+ pty.write(str(os.getpid()) + "\n")
+ while True:
+ try:
+ writers = []
+ if i:
+ writers.append(sys.stdout)
+ (ready, _, _) = select.select([pty, sys.stdin], writers , [], 0)
+ try:
+ if pty in ready:
+ i = i + pty.read()
+ if i:
+ # Write a page at a time to avoid overflowing output
+ # d.keys() is a good way to do that
+ sys.stdout.write(i[:4096])
+ i = i[4096:]
+ if sys.stdin in ready:
+ echonocbreak(sys.stdin.fileno())
+ o = raw_input()
+ cbreaknoecho(sys.stdin.fileno())
+ pty.write(o + "\n")
+ except (IOError, OSError) as e:
+ if e.errno == 11:
+ continue
+ if e.errno == 5:
+ sys.exit(0)
+ raise
+ except EOFError:
+ sys.exit(0)
+ except KeyboardInterrupt:
+ os.kill(parent, signal.SIGINT)
+
+except SystemExit:
+ pass
+except Exception as e:
+ import traceback
+ print("Exception in oepydehshell-internal: " + str(e))
+ traceback.print_exc()
+ time.sleep(5)
+finally:
+ readline.write_history_file(histfile)