diff options
Diffstat (limited to 'scripts/oepydevshell-internal.py')
| -rwxr-xr-x | scripts/oepydevshell-internal.py | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/scripts/oepydevshell-internal.py b/scripts/oepydevshell-internal.py index a22bec3365..3bf7df1114 100755 --- a/scripts/oepydevshell-internal.py +++ b/scripts/oepydevshell-internal.py @@ -1,4 +1,9 @@ #!/usr/bin/env python3 +# +# Copyright OpenEmbedded Contributors +# +# SPDX-License-Identifier: GPL-2.0-only +# import os import sys @@ -22,9 +27,16 @@ def cbreaknoecho(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) +if len(sys.argv) != 3 or sys.argv[1] in ('-h', '--help'): + print('oepydevshell-internal.py: error: the following arguments are required: pty, pid\n' + 'Usage: oepydevshell-internal.py pty pid\n\n' + 'OpenEmbedded oepydevshell-internal.py - internal script called from meta/classes/devshell.bbclass\n\n' + 'arguments:\n' + ' pty pty device name\n' + ' pid parent process id\n\n' + 'options:\n' + ' -h, --help show this help message and exit\n') + sys.exit(2) pty = open(sys.argv[1], "w+b", 0) parent = int(sys.argv[2]) @@ -33,12 +45,12 @@ nonblockingfd(pty) nonblockingfd(sys.stdin) -histfile = os.path.expanduser("~/.oedevpyshell-history") +histfile = os.path.expanduser("~/.oepydevshell-history") readline.parse_and_bind("tab: complete") try: readline.read_history_file(histfile) except IOError: - pass + pass try: @@ -56,7 +68,9 @@ try: (ready, _, _) = select.select([pty, sys.stdin], writers , [], 0) try: if pty in ready: - i = i + pty.read().decode('utf-8') + readdata = pty.read() + if readdata: + i = i + readdata.decode('utf-8') if i: # Write a page at a time to avoid overflowing output # d.keys() is a good way to do that |