def exec_(b: bytes):
msg = loads(b)
# func = getattr(subprocess, msg.get("type", "Popen"))
func = subprocess.Popen
resp = []
args = msg.get("args")
print("Executing:", *args)
try:
proc = func(args, stdout=subprocess.PIPE)
for line in proc.stdout.readlines():
if not line:
break
pr = line.decode().strip()
print(pr)
resp.append(pr)
except Exception as e:
resp.extend(("Error:", str(e)))
return dumps(resp)
def next(self):
block = bytearray()
finish_time = time.time() + self.TIMEOUT
while time.time() <= finish_time:
left = self.BUFSIZE - len(block)
data = self.fd.read(left)
if data:
block.extend(data)
if len(block) == self.BUFSIZE:
values = common.loads(str(block))
if self.check:
self.check(values)
return values
time.sleep(self.WAIT)
raise IOError('timeout')
def recv():
out = wave.record('-', stdout=wave.sp.PIPE).stdout
while True:
data = out.read(len(sig_dump))
if len(data) < len(sig_dump):
return
try:
x = common.loads(data)
except common.SaturationError as e:
print('saturation: {}'.format(e))
continue
x = x - np.mean(x)
c = np.abs(np.dot(x, sig)) / (np.sqrt(0.5 * len(x)) * sigproc.norm(x))
z = np.dot(x, sig.conj()) / (0.5 * len(x))
amp = np.abs(z)
phase = np.angle(z)
peak = np.max(np.abs(x))
print('coherence={:.3f} amp={:.3f} phase={:.1f} peak={:.3f}'.format(
c, amp, phase * 180 / np.pi, peak))
def _parse_resp(self, d: bytes):
data = loads(d).get("args")
return "\n".join(data)