def _audio_command(self, command, play_type):
if is_micropython():
if play_type == Sound.PLAY_WAIT_FOR_COMPLETE:
os.system(command)
elif play_type == Sound.PLAY_NO_WAIT_FOR_COMPLETE:
os.system('{} &'.format(command))
elif play_type == Sound.PLAY_LOOP:
while True:
os.system(command)
else:
raise Exception("invalid play_type " % play_type)
return None
else:
with open(os.devnull, 'w') as n:
if play_type == Sound.PLAY_WAIT_FOR_COMPLETE:
processes = get_command_processes(command)
processes[-1].communicate()
processes[-1].wait()
return None
elif play_type == Sound.PLAY_NO_WAIT_FOR_COMPLETE:
processes = get_command_processes(command)
return processes[-1]
elif play_type == Sound.PLAY_LOOP:
while True:
processes = get_command_processes(command)
processes[-1].communicate()
processes[-1].wait()
else:
raise Exception("invalid play_type " % play_type)
def get_ticks_ms():
if is_micropython():
return utime.ticks_ms()
else:
return int(dt.datetime.timestamp(dt.datetime.now()) * 1000)
"""
A StopWatch class for tracking the amount of time between events
"""
from ev3dev2 import is_micropython
if is_micropython():
import utime
else:
import datetime as dt
def get_ticks_ms():
if is_micropython():
return utime.ticks_ms()
else:
return int(dt.datetime.timestamp(dt.datetime.now()) * 1000)
class StopWatch(object):
def __init__(self, desc=None):
self.desc = desc
self._value = 0
self.start_time = None
self.prev_update_time = None
def __str__(self):
if self.desc is not None:
return self.desc
else:
return self.__class__.__name__
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
# -----------------------------------------------------------------------------
import sys
if sys.version_info < (3, 4):
raise SystemError('Must be using Python 3.4 or higher')
from ev3dev2 import is_micropython
import os
import re
from time import sleep
if not is_micropython():
import shlex
from subprocess import Popen, PIPE
def _make_scales(notes):
""" Utility function used by Sound class for building the note frequencies table """
res = dict()
for note, freq in notes:
freq = round(freq)
for n in note.split('/'):
res[n.upper()] = freq
return res
def get_command_processes(command):
Check if ``enter`` button is pressed.
"""
pass
@property
def backspace(self):
"""
Check if ``backspace`` button is pressed.
"""
pass
# micropython implementation
if is_micropython(): # noqa: C901
try:
# This is a linux-specific module.
# It is required by the Button class, but failure to import it may be
# safely ignored if one just needs to run API tests on Windows.
import fcntl
except ImportError:
log.warning(library_load_warning_message("fcntl", "Button"))
def _test_bit(buf, index):
pass
class ButtonBase(ButtonCommon):
pass
