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oepydevshell-internal.py: standardize usage output 

Made usage output of oepydevshell-internal.py to look
similar to the output of other oe scripts.

[YOCTO #10751]

(From OE-Core rev: e6480af22a7a12c655efed14f8f1aea658f26b1c)

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Ed Bartosh 2016-12-09 17:02:30 +02:00 committed by Richard Purdie
parent 8351dc41a4
commit ca916f279f
1 changed files with 11 additions and 4 deletions
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15
scripts/oepydevshell-internal.py
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@ -22,9 +22,16 @@ 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])
@ -38,7 +45,7 @@ readline.parse_and_bind("tab: complete")
try:
readline.read_history_file(histfile)
except IOError:
pass
pass
try: