def loadMemory(self):
"""Call the sa api to get all names."""
self.keys = [tmp.name for tmp in sa.list()]
if len(self.keys) > 0 and isinstance(self.keys[0], bytes):
self.keys = [key.decode('utf-8') for key in self.keys]
# also re_construct dct_keys
slash_finder = re.compile('^(\w+\\\\)')
def assign_key_to_dct(dct, key, header):
"""For some keys, convert to corresponding things such as keys of dict.
:param dct: a dictionary to write data into
:param key: a key being processed
:param header: str, the header, header\\\\ is removed
"""
if header is not None:
use_key = key.replace(header, '') # remove those slash
else:
use_key = key
grp = slash_finder.findall(use_key)
if len(grp) == 0:
dct[use_key] = None
else:
if header is None:
header = grp[0].replace('\\', '')
else:
header = header.replace('\\', '')
if not header in dct:
dct[header] = {}
assign_key_to_dct(dct[header], use_key, grp[0])
for key in self.keys:
assign_key_to_dct(self.dct_keys, key, None)
async def video_feed(request):
if "camera" in [e.name.decode() for e in sa.list()]:
return StreamingResponse(
generator(request),
media_type='multipart/x-mixed-replace; boundary=frame')
else:
return Response('camera not online', 404)
def get_publisher(channel: str, shape: tuple, dtype) -> np.ndarray:
# Create an array in shared memory.
short_name = channel.split("://")[-1]
mapping = {e.name.decode(): e for e in sa.list()}
if short_name in mapping:
array = mapping[short_name]
if array.dtype == dtype and array.dims == shape:
return sa.attach(channel)
sa.delete(short_name)
return sa.create(channel, shape, dtype)
#!/usr/bin/python
# -*- coding: UTF-8 -*-
import numpy as np
import SharedArray as sa
import glob,h5py,os
from norm_lib import *
print(sa.list())
def load(data_name):
try:
Xtr = sa.attach('shm://%s_Xtr'%(data_name))
Ytr = sa.attach('shm://%s_Ytr'%(data_name))
Ytr_p = sa.attach('shm://%s_Ytr_pitch'%(data_name))
Ytr_s = sa.attach('shm://%s_Ytr_stream'%(data_name))
except:
# load cqt
trdata = h5py.File('../ex_data/tr.h5', 'r')
Xtr = sa.create('shm://%s_Xtr'%(data_name), (trdata['x'].shape), dtype='float32')
Xtr[:] = trdata['x'][:]
#load instrument label
Ytr = sa.create('shm://%s_Ytr'%(data_name), (trdata['yi'].shape), dtype='float32')
Ytr[:] = trdata['yi'][:]
#load pitch label
Ytr_p = sa.create('shm://%s_Ytr_pitch'%(data_name), (trdata['yp'].shape), dtype='float32')
Ytr_p[:] = trdata['yp'][:]
#load pianoroll label
Ytr_s = sa.create('shm://%s_Ytr_stream'%(data_name), (trdata['ys'].shape), dtype='float32')
Ytr_s[:] = trdata['ys'][:]
return Xtr, Ytr, Ytr_p, Ytr_s
# pygame code comes here
import pygame
import pygame.midi
from pygame.locals import *
import signal
import SharedArray as sa
import numpy as np
import sys
from musicai.main.lib.predict import predict
from musicai.utils.chords import get_notes, get_chord_mapping
if sys.argv[1] == "--test":
print(predict([1, 2, 3, 4, 5, 6, 7]))
sys.exit()
if sa.list():
sa.delete("shm://notes")
queue = sa.create("shm://notes", 4)
for i in range(0, len(queue)):
queue[i] = 0.0
tempo = 80 # int(input("Enter the tempo : ").strip())
input("Enter to start...")
bar_length = int((4 / tempo) * 60) # bar length in seconds
print(bar_length)
chords = get_chord_mapping()
def push_notes(signum, frame):
# read midi data of global array
def tearDownClass(cls) -> None:
assert len(
sa.list()
) == 0, f"Not all shared arrays have been freed. Leftover: {sa.list()}"
def setUpClass(cls) -> None:
for a in sa.list():
sa.delete(a.name.decode("utf-8"))
def tearDown(self):
import SharedArray as sa
assert len(sa.list()) == 0
def setUpClass(cls) -> None:
import SharedArray as sa
for arr in sa.list():
sa.delete(arr.name.decode("utf-8"))
def free_all():
for arr in sa.list():
sa.delete(arr.name.decode("utf-8"))
def ListNames():
ll = list(SharedArray.list())
return [AR.name for AR in ll]
def remove_shared_memory():
for shared in sa.list():
logging.info("Deleting %s" % shared.name.decode("utf-8"))
sa.delete(shared.name.decode("utf-8"))
def clearSA():
for key in sa.list():
sa.delete(key.name)
def listing():
for n in sa.list():
print(n)
print('%d shared arrays'%len(sa.list()))
def ListNames():
T = ClassTimeIt.ClassTimeIt(" SharedToDico")
ll = list(SharedArray.list())
return [(AR.name).decode("ascii") for AR in ll]