def __init__(self, num_of_processes=2):
super(MultiprocessTool, self).__init__()
global global_last_id
global_last_id = mp.Value('i', 0)
self.num_of_processes = num_of_processes
lock = mp.Lock()
self.lock = lock
def test():
manager = processing.Manager()
gc.disable()
print('\n\t######## testing Queue.Queue\n')
test_queuespeed(threading.Thread, Queue.Queue(),
threading.Condition())
print('\n\t######## testing processing.Queue\n')
test_queuespeed(processing.Process, processing.Queue(),
processing.Condition())
print('\n\t######## testing Queue managed by server process\n')
test_queuespeed(processing.Process, manager.Queue(),
manager.Condition())
print('\n\t######## testing processing.Pipe\n')
test_pipespeed()
print
print('\n\t######## testing list\n')
test_seqspeed(range(10))
print('\n\t######## testing list managed by server process\n')
test_seqspeed(manager.list(range(10)))
print('\n\t######## testing Array("i", ..., lock=False)\n')
test_seqspeed(processing.Array('i', range(10), lock=False))
print('\n\t######## testing Array("i", ..., lock=True)\n')
test_seqspeed(processing.Array('i', range(10), lock=True))
print()
print('\n\t######## testing threading.Lock\n')
test_lockspeed(threading.Lock())
print('\n\t######## testing threading.RLock\n')
test_lockspeed(threading.RLock())
print('\n\t######## testing processing.Lock\n')
test_lockspeed(processing.Lock())
print('\n\t######## testing processing.RLock\n')
test_lockspeed(processing.RLock())
print('\n\t######## testing lock managed by server process\n')
test_lockspeed(manager.Lock())
print('\n\t######## testing rlock managed by server process\n')
test_lockspeed(manager.RLock())
print()
print('\n\t######## testing threading.Condition\n')
test_conditionspeed(threading.Thread, threading.Condition())
print('\n\t######## testing processing.Condition\n')
test_conditionspeed(processing.Process, processing.Condition())
print('\n\t######## testing condition managed by a server process\n')
test_conditionspeed(processing.Process, manager.Condition())
gc.enable()
def main(args):
lines = []
word2int = {}
int2word = {}
count = 0
line_count = 0
pid = 0
readFile = open(args.FILE_PATH, 'r')
writeFile = open(args.OUTPUT_FILE_PATH, 'w')
start = time()
cpu_count = mp.cpu_count()
pool = Pool(cpu_count - 1)
processes = []
print('Starting everything...')
lock = mp.Lock()
for line in readFile:
print('line count: {}'.format(line_count))
word1 = line.split('\n')[0].split('\t')[0].split('/')[0]
word2 = line.split('\n')[0].split('\t')[1].split('/')[1]
weight = line.split('\n')[0].split('\t')[-1]
lines.append([word1, word2, weight])
for word in [word1, word2]:
if not word in word2int:
word2int[word] = count
int2word[count] = word
count += 1
line_count += 1
if line_count % 8000000 == 0:
# senf the lines to be written in new file
p = Process(target=assignNumbers,
args=(pid, args, word2int, writeFile, lock, lines,
len(lines)))
processes.append(p)
p.start()
pid += 1
lines = []
for process in processes:
process.join()
end = time()
print('Total time for the whole process : {} seconds'.format(end - start))
print('proceddings with writign mappings')
# pool.map(writeFileModule, [(word2int, 'word2int.eng'), (int2word, 'int2word.eng')])
P = Process(target=writeFileModule, args=(word2int, 'word2int.eng'))
Q = Process(target=writeFileModule, args=(int2word, 'int2word.eng'))
P.start()
Q.start()
P.join()
Q.join()
readFile.close()
writeFile.close()
def test_value():
TASKS = 10
running = processing.Value('i', TASKS)
mutex = processing.Lock()
for i in range(TASKS):
processing.Process(target=value_func, args=(running, mutex)).start()
while running.value > 0:
time.sleep(0.08)
mutex.acquire()
print(running.value, end=' ')
sys.stdout.flush()
mutex.release()
print()
print('No more running processes')
def kline_data(self, pair_list, interval, **kwargs):
start_date = kwargs.get('start_date', '')
end_date = kwargs.get('end_date', '')
storage = kwargs.get('storage', '')
output = kwargs.get('output', '')
progress_statements = kwargs.get('progress_statements', '')
if start_date:
start_date = datetime.datetime.strptime(start_date, '%m/%d/%Y')
if end_date:
end_date = datetime.datetime.strptime(end_date, '%m/%d/%Y')
valid_kline_intervals = [
'1m', '3m', '5m', '15m', '30m', '1h', '2h', '4h', '6h', '8h', '12h'
]
if interval not in set(valid_kline_intervals):
raise ValueError(
'Invalid Interval: Kline interval should be one of the following - {}'
.format(','.join(valid_kline_intervals)))
output = self.process_kline_output(output)
if not storage:
storage = ['csv', None]
try:
storage_method, intended_dir = storage
except ValueError:
storage_method = storage[0]
intended_dir = None
if progress_statements:
self.progress_statements = progress_statements
if storage_method.lower() == 'csv':
kline_interval_directory = self.create_csv_directories(
pair_list, interval, intended_dir)
csv_file_info = mp.Manager().list()
pair = [currency_pair for i, currency_pair in enumerate(pair_list)]
lock = mp.Lock()
pool = mp.Pool(processes=3, initargs=(lock, ))
# data = pool.starmap(self.kline_to_csv,zip(pair,re(start_date),re(end_date),re(kline_interval_directory),re(interval),re(titles),re(fields),re(csv_file_info)))
data = pool.starmap(
self.kline_to_csv,
zip(pair, re(start_date), re(end_date),
re(kline_interval_directory), re(interval),
re(csv_file_info)))
pool.close()
pool.join()
self.concatenate_csvs(set(list(csv_file_info)))
else:
raise ValueError(
'Invalid Storage Type: Currently only csv storage supported')
def __init__(self, thread=None, *args, **kwargs):
super(IProcess, self).__init__(*args, **kwargs)
self._thread = thread or 1
self._pool = multiprocessing.Queue(self._thread)
self._threads = []
self._requests = []
self._states = {}
for i in range(self._thread):
request, response = multiprocessing.Queue(), multiprocessing.Queue(
)
t = threading.Thread(target=self.loop,
args=(request, response),
name='request-%s' % i)
self._threads.append(t)
self._requests.append((request, response))
self._pool.put(i)
self._states[t.name] = None
self._reader_mutex = multiprocessing.Lock()
self._reader = multiprocessing.Queue(), multiprocessing.Queue()
self._threads.append(
threading.Thread(target=self.loop,
args=self._reader,
name='reader'))
self._states['reader'] = None
self._collection = multiprocessing.Queue()
self._received = multiprocessing.Event()
self._properties = {}
for key in dir(self.__class__):
value = getattr(self.__class__, key, None)
value = getattr(value, '__doc__', None)
if str(value).startswith('child_property.'):
self._properties[key] = None
if str(value).startswith('child_timer.'):
delta = int(value.split('.')[-1])
self._threads.append(
threading.Thread(target=self.timentry,
args=(key, delta),
name='timer.%s' % key))
self._wrap_run()
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import math, time
import serial
import numpy as np
import multiprocess as mp
from picamera import PiCamera
import picamera.array
queueLock = mp.Lock()
# Get serial device and config it
ser = serial.Serial("/dev/ttyAMA0", 115200)
# Mapping:
# F:0x46 B:0x42 R:0x52 L:0x49
def sendCommand(x):
ser.write(bytes([0x80]))
ser.write(bytes([x]))
ser.write(bytes([0x81]))
ser.write(bytes([0x81]))
def receive():
