ardupilot/Tools/autotest/util.py

101 lines
2.8 KiB
Python

# utility code for autotest
import os, pexpect, sys, time
from subprocess import call, check_call,Popen, PIPE
def topdir():
'''return top of git tree where autotest is running from'''
d = os.path.dirname(os.path.realpath(__file__))
assert(os.path.basename(d)=='autotest')
d = os.path.dirname(d)
assert(os.path.basename(d)=='Tools')
d = os.path.dirname(d)
return d
def reltopdir(path):
'''return a path relative to topdir()'''
return os.path.normpath(os.path.join(topdir(), path))
def run_cmd(cmd, dir=".", show=False, output=False, checkfail=True):
'''run a shell command'''
if show:
print("Running: '%s' in '%s'" % (cmd, dir))
if output:
return Popen([cmd], shell=True, stdout=PIPE, cwd=dir).communicate()[0]
elif checkfail:
return check_call(cmd, shell=True, cwd=dir)
else:
return call(cmd, shell=True, cwd=dir)
def rmfile(path):
'''remove a file if it exists'''
try:
os.unlink('eeprom.bin')
except Exception:
pass
def deltree(path):
'''delete a tree of files'''
run_cmd('rm -rf %s' % path)
def build_SIL(atype):
'''build desktop SIL'''
run_cmd("make -f ../libraries/Desktop/Makefile.desktop clean hil",
dir=reltopdir(atype),
checkfail=True)
def start_SIL(atype):
'''launch a SIL instance'''
ret = pexpect.spawn(('valgrind -q --log-file=%s-valgrind.log ' % atype) + reltopdir('tmp/%s.build/%s.elf' % (atype, atype)),
logfile=sys.stdout, timeout=5)
ret.expect('Waiting for connection')
return ret
def start_MAVProxy_SIL(atype, options=''):
'''launch mavproxy connected to a SIL instance'''
MAVPROXY = reltopdir('../MAVProxy/mavproxy.py')
ret = pexpect.spawn('%s --master=tcp:127.0.0.1:5760 --aircraft=test.%s %s' % (
MAVPROXY,atype,options),
logfile=sys.stdout, timeout=60)
return ret
def kill(name):
'''kill a process'''
run_cmd('killall -9 -q %s' % name, checkfail=False)
def expect_setup_callback(e, callback):
'''setup a callback that is called once a second while waiting for
patterns'''
def _expect_callback(pattern, timeout=e.timeout):
tstart = time.time()
while time.time() < tstart + timeout:
try:
ret = e.expect_saved(pattern, timeout=1)
return ret
except pexpect.TIMEOUT:
e.expect_user_callback(e)
pass
raise pexpect.TIMEOUT
e.expect_user_callback = callback
e.expect_saved = e.expect
e.expect = _expect_callback
def mkdir_p(dir):
'''like mkdir -p'''
if not dir:
return
if dir.endswith("/"):
mkdir_p(dir[:-1])
return
if os.path.isdir(dir):
return
mkdir_p(os.path.dirname(dir))
os.mkdir(dir)