def stoL(astring, mix=False):
wd = astring.split(' ')
rt = []
for w in wd:
rt.append(w)
if mix: random.shuffle(rt)
return rt #list for now.. #made this a string too tho.....
def cutData(originPath, trainPath, validPath, scale=0.9):
origin = open(originPath, 'r', encoding='utf-8', errors='ignore')
train = open(trainPath, 'w', encoding='utf-8', errors='ignore')
valid = open(validPath, 'w', encoding='utf-8', errors='ignore')
originReader = csv.reader(origin)
trainWriter = csv.writer(train)
validWriter = csv.writer(valid)
#去除首行
total = list(originReader)[1:]
order = list(range(len(total)))
random.shuffle(order)
trainData = [
total[order[index]] for index in order[:int(scale * len(total))]
]
validData = [
total[order[index]] for index in order[int(scale * len(total)):]
]
for element in trainData:
trainWriter.writerow(element)
for element in validData:
validWriter.writerow(element)
origin.close()
train.close()
valid.close()
def select():
cnt = 2
sum_fit = sum([fitness(ind) for ind in population])
pop = population[:]
random.shuffle(pop)
pairs = []
for i in range(cnt):
n = random.uniform(0, sum_fit)
m = random.uniform(0, sum_fit)
tmp_sum = 0
first, second = None, None
for ind in pop:
tmp_sum += fitness(ind)
if tmp_sum >= n:
first = ind
break
tmp_sum = 0
for ind in pop:
tmp_sum += fitness(ind)
if tmp_sum >= m:
second = ind
break
if first is None or second is None:
print("FAILED")
raise RuntimeError("Ooops")
pairs.append((first, second))
print(str(pairs))
return pairs
def trueBalance():
import random
list1 = ["tr","ue","bal","ance"]
list2 = ["everything","you","want","nothing","you","cant"]
random.shuffle(list1)
random.shuffle(list2)
print("{}{} {}{}: {} {} {} {} {} {}".format(list1[0],list1[1],list1[2],list1[3],list2[0],list2[1],list2[2],list2[3],list2[4],list2[5]))
def trim_to_length_random(source, target, length):
"""Trim data to a max of length.
Data is shuffled in place if over limit.
Args:
source (collections.deque): Source data
target (collections.deque): Target data
length (int): Trim to length
Returns:
(collections.deque, collections.deque): Trimmed data
"""
if length == None:
return (source, target)
else:
# Randomly select data to use if over length
if length < len(source):
zipped_data = list(zip(source, target))
random.shuffle(zipped_data)
source = [x[0] for x in zipped_data]
target = [x[1] for x in zipped_data]
source = source[:length]
target = target[:length]
return (source, target)
def photometric_distort(image):
"""
Distort brightness, contrast, saturation, and hue, each with a 50% chance, in random order.
:param image: image, a PIL Image
:return: distorted image
"""
new_image = image
distortions = [
FT.adjust_brightness, FT.adjust_contrast, FT.adjust_saturation,
FT.adjust_hue
]
random.shuffle(distortions)
for d in distortions:
if random.random() < 0.5:
if d.__name__ is 'adjust_hue':
# Caffe repo uses a 'hue_delta' of 18 - we divide by 255 because PyTorch needs a normalized value
adjust_factor = random.uniform(-18 / 255., 18 / 255.)
else:
# Caffe repo uses 'lower' and 'upper' values of 0.5 and 1.5 for brightness, contrast, and saturation
adjust_factor = random.uniform(0.5, 1.5)
# Apply this distortion
new_image = d(new_image, adjust_factor)
return new_image
def data_gen(img_folder, batch_size, shuffle=True):
c = 0
n = os.listdir(img_folder) #List of training images
random.shuffle(n)
X_labels, Y_labels = read_csv_labels()
while (True):
img = np.zeros((batch_size, DEFAULT_HEIGHT, DEFAULT_WIDTH, 3)).astype('float')
mask = np.zeros((batch_size, DEFAULT_HEIGHT//STRIDE, DEFAULT_WIDTH//STRIDE, NUM_JOINTS)).astype('float')
for i in range(c, c+batch_size): #initially from 0 to 16, c = 0.
train_img = cv2.imread(img_folder+'/'+n[i])/255.
train_img = cv2.resize(train_img, (DEFAULT_HEIGHT, DEFAULT_WIDTH))# Read an image from folder and resize
img[i-c] = train_img #add to array - img[0], img[1], and so on.
# extract the number of the image from the string name
id_img = get_ID(n[i])
x = X_labels[id_img,:].astype('int')
y = Y_labels[id_img,:].astype('int')
train_mask = create_mask(x,y,EPSILON)
train_mask = cv2.resize(train_mask, (DEFAULT_HEIGHT//STRIDE, DEFAULT_WIDTH//STRIDE))
#train_mask = train_mask.reshape(512, 512, 1) # Add extra dimension for parity with train_img size [512 * 512 * 3]
mask[i-c] = train_mask
c+=batch_size
if(c+batch_size>=len(os.listdir(img_folder))):
c=0
random.shuffle(n)
# print "randomizing again"
yield img, mask
def lexicase(population):
"""Find the best indidvidual by lexicase from a sub-population."""
test_set = getTrainingSet()
candidates = []
for i in range(LEXICASE_SIZE):
x = randint(0, int(POPULATION_SIZE) - 1)
candidates.append(x)
test_cases = []
for k in range(CASES):
l = randint(0, len(test_set) - 1)
test_cases.append(l)
test_cases = list(zip(a, b))
random.shuffle(c)
a, b = zip(*c)
while True:
case = test_set[test_cases[0]]
best_on_first_case = [
c for c in candidates if population[c].getTrainingPredictions()[
test_cases[0]] == case[-1]
]
if len(best_on_first_case) > 0: candidates = best_on_first_case
if len(candidates) == 1: return population[0]
del test_cases[0]
if len(test_cases) == 0:
index = choice(candidates)
return population[index]
def main(args):
'''
:param args:
:return:none , output is a dir includes 3 .txt files
'''
[train_, val_, test_] = args.proportion
out_num = args.num
if train_ + val_ + test_ - 1. > 0.01: #delta
print('erro')
return
if args.reference:
ref_df = pd.read_csv(args.reference, index_col='scences')
print('load refs ok')
else:
ref_df = None
out_dir = Path(args.out_dir)
out_dir.mkdir_p()
train_txt_p = out_dir / 'train.txt'
val_txt_p = out_dir / 'val.txt'
test_txt_p = out_dir / 'test.txt'
dataset_path = Path(args.dataset_path)
trajs = dataset_path
item_list = [] #
# filtering and combination
scenes = trajs.dirs()
scenes.sort() #blocks
scenes = scene_fileter(scenes)
for scene in scenes:
files = scene.files()
files.sort()
files = file_fileter(args.dataset_path, files, ref_df)
item_list += files
#list constructed
random.seed(args.rand_seed)
random.shuffle(item_list)
if out_num and out_num < len(item_list):
item_list = item_list[:out_num]
for i in range(len(item_list)):
item_list[i] = item_list[i].relpath(dataset_path)
length = len(item_list)
train_bound = int(length * args.proportion[0])
val_bound = int(length * args.proportion[1]) + train_bound
test_bound = int(length * args.proportion[2]) + val_bound
print(" train items:{}\n val items:{}\n test items:{}".format(
len(item_list[:train_bound]), len(item_list[train_bound:val_bound]),
len(item_list[val_bound:test_bound])))
writelines(item_list[:train_bound], train_txt_p)
writelines(item_list[train_bound:val_bound], val_txt_p)
writelines(item_list[val_bound:test_bound], test_txt_p)
def random_matrix(no_rows, no_cols, no_obs):
arr = []
for i in range(no_rows * no_cols):
if i < no_obs:
arr.append(1)
else:
arr.append(0)
random.shuffle(arr)
start_position = {'x': 0, 'y': 0}
rand_pos = random.randint(0, no_rows * no_cols - no_obs - 1)
matrix = []
count = 0
for i in range(no_rows):
row = []
for j in range(no_cols):
row.append(arr[i * no_cols + j])
if arr[j] == 0:
if count == rand_pos:
start_position = {'x': j, 'y': i}
count += 1
matrix.append(row)
return matrix, start_position
def get_filelist_dict(self, face_list):
""" Parse list of face images into a filelist dictionary
Inputs:
face_list -- a list of paths to face images (list)
Outputs:
filelists_dict -- a dictionary of image paths organized by category (dict)
"""
# -- Organize images into the appropriate categories
cats = {}
for f in face_list:
cat = "/".join(f.split('/')[:-1])
name = f.split('/')[-1]
if cat not in cats:
cats[cat] = [name]
else:
cats[cat] += [name]
# -- Shuffle the images into a new random order
filelists_dict = {}
seed = 1
for cat in cats:
filelist = cats[cat]
if self._rand_gallery:
random.seed(seed)
random.shuffle(filelist)
seed += 1
filelist = [ cat + '/' + f for f in filelist ]
filelists_dict[cat] = filelist
return filelists_dict
def make_steps(step, ampl):
"""
Perform training epochs
@param step Number of epochs to perform
@param ampl the K, the randomized component of the score matrix.
"""
global w2ts, t2i, steps, features, score, histories
# shuffle the training pictures
random.shuffle(train)
# Map whale id to the list of associated training picture hash value
w2ts = {}
for w, hs in w2hs.items():
for h in hs:
if h in train_set:
if w not in w2ts: w2ts[w] = []
if h not in w2ts[w]: w2ts[w].append(h)
for w, ts in w2ts.items(): w2ts[w] = np.array(ts)
# Map training picture hash value to index in 'train' array
t2i = {}
for i, t in enumerate(train): t2i[t] = i
# Compute the match score for each picture pair
features, score = compute_score()
# Train the model for 'step' epochs
history = model.fit_generator(
TrainingData(score + ampl * np.random.random_sample(size=score.shape), steps=step, batch_size=64),
initial_epoch=steps, epochs=steps + step, max_queue_size=12, workers=6, verbose=2,
callbacks=[checkpoint]
).history
steps += step
def test03_ThreadedTransactions(self):
if verbose:
print('\n', '-=' * 30)
print("Running %s.test03_ThreadedTransactions..." % \
self.__class__.__name__)
keys = list(range(self.records))
import random
random.shuffle(keys)
records_per_writer = self.records // self.writers
readers_per_writer = self.readers // self.writers
self.assertEqual(self.records, self.writers * records_per_writer)
self.assertEqual(self.readers, self.writers * readers_per_writer)
self.assertTrue((records_per_writer % readers_per_writer) == 0)
readers = []
for x in range(self.readers):
rt = Thread(
target=self.readerThread,
args=(self.d, x),
name='reader %d' % x,
) #verbose = verbose)
if sys.version_info[0] < 3:
rt.setDaemon(True)
else:
rt.daemon = True
readers.append(rt)
writers = []
for x in range(self.writers):
a = keys[records_per_writer * x:records_per_writer * (x + 1)]
b = readers[readers_per_writer * x:readers_per_writer * (x + 1)]
wt = Thread(
target=self.writerThread,
args=(self.d, a, b),
name='writer %d' % x,
) #verbose = verbose)
writers.append(wt)
dt = Thread(target=self.deadlockThread)
if sys.version_info[0] < 3:
dt.setDaemon(True)
else:
dt.daemon = True
dt.start()
for t in writers:
if sys.version_info[0] < 3:
t.setDaemon(True)
else:
t.daemon = True
t.start()
for t in writers:
t.join()
for t in readers:
t.join()
self.doLockDetect = False
dt.join()
def random_data_generator(photos, wordtoidx, max_length, num_descriptions_per_batch):
# x1 - Training data for photos
# x2 - The caption that goes with each photo
# y - The predicted rest of the caption
x1, x2, y = [], [], []
while True:
random.shuffle(train_data)
d=0
for key, desc in train_data:
photo = photos[key+'.jpg']
d+=1
if d==num_descriptions_per_batch:
yield ([np.array(x1), np.array(x2)], np.array(y))
x1, x2, y = [], [], []
d=0
# Convert each word into a list of sequences.
seq = [wordtoidx[word] for word in desc.split(' ') if word in wordtoidx]
# Generate a training case for every possible sequence and outcome
for i in range(1, len(seq)):
in_seq, out_seq = seq[:i], seq[i]
in_seq = pad_sequences([in_seq], maxlen=max_length)[0]
out_seq = to_categorical([out_seq], num_classes=vocab_size)[0]
x1.append(photo)
x2.append(in_seq)
y.append(out_seq)
def select():
cnt = 2
sum_fit = sum([fitness(ind) for ind in population])
pop = population[:]
random.shuffle(pop)
pairs = []
for i in range(cnt):
n = random.uniform(0, sum_fit)
m = random.uniform(0, sum_fit)
tmp_sum = 0
first, second = None, None
for ind in pop:
tmp_sum += fitness(ind)
if tmp_sum >= n:
first = ind
break
tmp_sum = 0
for ind in pop:
tmp_sum += fitness(ind)
if tmp_sum >= m:
second = ind
break
if first is None or second is None:
print("FAILED")
raise RuntimeError("Ooops")
pairs.append((first, second))
print(str(pairs))
return pairs
def _put_all_data_pointers(self):
fnames = os.listdir(self._train_data_location)
logging.warn("Put all data pointers {}..{}".format(
fnames[0:5], fnames[-5:]))
for _ in range(self.N_SHUFFLE):
random.shuffle(fnames)
for fname in fnames:
self._dp_queue.put(fname)
def shuffle(self):
"""
Returns a random shuffling of the array.
:rtype: List[int]
"""
# random.shuffle returns None
random.shuffle(self.nums)
return self.nums
def balanced_sample(self):
for i in range(self.batchnum):
for j in self.pool:
p = self.pool[j]
imgpath = random.sample(p, 1)[0]
self.cadidates.append([imgpath, j])
random.shuffle(self.cadidates)
def map_random_rotate(self):
"""Rotate maps from the pool"""
Server.change_map_settings(self.map_pool[self.currentMapId])
print("Rotating map to " + self.map_pool[self.currentMapId]["mapName"])
self.currentMapId += 1
if self.currentMapId == len(self.map_pool):
self.currentMapId = 0
random.shuffle(self.map_pool)
def test03_ThreadedTransactions(self):
if verbose:
print('\n', '-=' * 30)
print("Running %s.test03_ThreadedTransactions..." % \
self.__class__.__name__)
keys=list(range(self.records))
import random
random.shuffle(keys)
records_per_writer=self.records//self.writers
readers_per_writer=self.readers//self.writers
self.assertEqual(self.records,self.writers*records_per_writer)
self.assertEqual(self.readers,self.writers*readers_per_writer)
self.assertTrue((records_per_writer%readers_per_writer)==0)
readers=[]
for x in range(self.readers):
rt = Thread(target = self.readerThread,
args = (self.d, x),
name = 'reader %d' % x,
)#verbose = verbose)
if sys.version_info[0] < 3 :
rt.setDaemon(True)
else :
rt.daemon = True
readers.append(rt)
writers = []
for x in range(self.writers):
a=keys[records_per_writer*x:records_per_writer*(x+1)]
b=readers[readers_per_writer*x:readers_per_writer*(x+1)]
wt = Thread(target = self.writerThread,
args = (self.d, a, b),
name = 'writer %d' % x,
)#verbose = verbose)
writers.append(wt)
dt = Thread(target = self.deadlockThread)
if sys.version_info[0] < 3 :
dt.setDaemon(True)
else :
dt.daemon = True
dt.start()
for t in writers:
if sys.version_info[0] < 3 :
t.setDaemon(True)
else :
t.daemon = True
t.start()
for t in writers:
t.join()
for t in readers:
t.join()
self.doLockDetect = False
dt.join()
def makeListFromNumberOfParameters(n, shuffle, reverse):
listen = []
for i in range(n - 1):
listen.append(i)
if reverse:
listen.reverse()
if shuffle:
random.shuffle(listen)
return listen
def generate_ids(number_objects):
'''
Generate 'number_objects' IDs
'''
from numpy import arange,random
N = number_objects
ids = arange(1,2*N)
random.shuffle(ids)
return ids[:N]
def data(self, length=None):
if self.shuffled_dataset == None:
source, target = self.dataset.data()
zipped_data = list(zip(source, target))
random.shuffle(zipped_data)
shuffled_source = [x[0] for x in zipped_data]
shuffled_target = [x[1] for x in zipped_data]
self.shuffled_dataset = Dataset(shuffled_source, shuffled_target)
return self.shuffled_dataset.data()
def train(self, train_data, test_data, iter_max):
import random, sys
for i in range(iter_max):
for (vecteur, classe) in train_data:
self.update(classe, self.predict(features=vecteur), vecteur)
print("ACCURACY\tI\tTRAIN\tTEST", file=sys.stderr)
print("\t" + "\t".join((i, self.evaluate(train_data), self.evaluate(test_data))), file=sys.stderr)
random.shuffle(train_data)
def create_game(self, player_1_username, player_2_username):
u"""
Create a new game with the black and white player determined at random.
"""
# The default Mersenne Twister random should be sufficient for this
players = [player_1_username, player_2_username]
random.shuffle(players)
game_model = self.create(white_player=players[0], black_player=players[1])
return game_model
def agita():
import random
lista = []
for i in range(5):
lista.append(input('Introduce una cadena:'))
random.shuffle(lista)
for i in lista:
print(i)
def tinder(age,gender):
import random
list = [-500,-50,-34,-27,0,-4,-78]
random.shuffle(list)
if age < 18:
print("Jailbait!")
if age >= 18 and gender == "female":
print("hey, you wanna see my dick?")
if age >= 18 and gender == "male":
print("you have {} matches".format(list[0]))
def choose_word(self):
if self.trivia:
self.trivia_questions.sort()
for _ in range(4):
random.shuffle(self.trivia_questions)
return random.choice(self.trivia_questions)
else:
self.words.sort()
for _ in range(4):
random.shuffle(self.words)
return random.choice(self.words)
def assignTeam(self):
teaming = []
random.shuffle(self.players)
players_per_team = round(len(self.players) / (len(self.teams) + 0.5))
for team_number in range(len(self.teams)):
teaming += players_per_team * [self.teams[team_number]]
for player, team in zip(self.players, teaming):
player.team = team
for index, player in enumerate(self.players):
player.key = index
self.status = "PREPARE"
def test01_1WriterMultiReaders(self):
if verbose:
print '\n', '-=' * 30
print "Running %s.test01_1WriterMultiReaders..." % \
self.__class__.__name__
keys = range(self.records)
import random
random.shuffle(keys)
records_per_writer = self.records // self.writers
readers_per_writer = self.readers // self.writers
self.assertEqual(self.records, self.writers * records_per_writer)
self.assertEqual(self.readers, self.writers * readers_per_writer)
self.assertTrue((records_per_writer % readers_per_writer) == 0)
readers = []
for x in xrange(self.readers):
rt = Thread(
target=self.readerThread,
args=(self.d, x),
name='reader %d' % x,
) #verbose = verbose)
import sys
if sys.version_info[0] < 3:
rt.setDaemon(True)
else:
rt.daemon = True
readers.append(rt)
writers = []
for x in xrange(self.writers):
a = keys[records_per_writer * x:records_per_writer * (x + 1)]
a.sort() # Generate conflicts
b = readers[readers_per_writer * x:readers_per_writer * (x + 1)]
wt = Thread(
target=self.writerThread,
args=(self.d, a, b),
name='writer %d' % x,
) #verbose = verbose)
writers.append(wt)
for t in writers:
import sys
if sys.version_info[0] < 3:
t.setDaemon(True)
else:
t.daemon = True
t.start()
for t in writers:
t.join()
for t in readers:
t.join()
def getResult(self,
query,
domains=[],
beginDate='',
endDate='',
title=False,
snippet=True,
fullContent=False):
import time
start_time = time.time()
if not (domains):
domains = ['']
else:
random.shuffle(domains)
with Pool(processes=multiprocessing.cpu_count()) as pool:
results_by_domain = pool.starmap(
self.getResultsByDomain,
zip(domains, repeat(query), repeat(beginDate),
repeat(endDate)))
results_flat_list = list(chain.from_iterable(results_by_domain))
try:
results_by_domain.remove({})
except:
pass
with Pool(processes=multiprocessing.cpu_count()) as pool:
result = pool.starmap(
format_output,
zip(results_flat_list, repeat(self.newspaper3k), repeat(title),
repeat(snippet), repeat(fullContent)))
domains_list = [item[1] for item in result]
filter_domains_list = list(dict.fromkeys(domains_list))
docs_info_list = [item[0] for item in result]
all_results = []
for dominio_list in [
dominio_list for dominio_list in results_by_domain
if dominio_list is not None
]:
all_results.extend(dominio_list)
total_time = time.time() - start_time
statistical_dict = search_statistics(total_time, len(docs_info_list),
len(filter_domains_list),
filter_domains_list)
final_output = [statistical_dict, docs_info_list]
return final_output
def minHashFunction(t, s1, s2):
info1 = s1.keys()
info2 = s2.keys()
dictionary = dict()
for i in info1:
dictionary[i] = i
for i in info2:
dictionary[i] = i
vector1 = dictionary.copy()
vector2 = dictionary.copy()
# create vectors
for i in dictionary:
if(i in info1):
vector1[i] = 1
else:
vector1[i] = 0
if(i in info2):
vector2[i] = 1
else:
vector2[i] = 0
listOfKGrams = []
for i in dictionary.keys():
listOfKGrams.append(i)
#perform calculations
totalSim = 0
scalar = float(1)/t
# Shuffle the list of grams and then find columns with that contain the same first gram
for i in range(t):
random.shuffle(listOfKGrams)
first1 = None
first2 = None
for j in range(len(listOfKGrams)):
gram = listOfKGrams[j]
if vector1[gram] == 1 and first1 is None:
first1 = gram
if(vector2[gram] == 1 and first2 is None):
first2 = gram
if(first1 is not None and first2 is not None):
break
if(first1 == first2):
totalSim += float(scalar) # Add the scalar for simularity when the first in a column are the same.
first1 = None
first2 = None
return totalSim
def build_corpus(sents, train_r=0.7, dev_r=0.15):
tl = int(train_r * len(sents))
dl = int(dev_r * len(sents))
s = sents.copy()
random.shuffle(s)
train = flair.SentenceDataset(s[:tl])
dev = flair.SentenceDataset(s[tl:tl+dl])
test = flair.SentenceDataset(s[tl+dl:])
return flair.Corpus(train, dev, test)
def test01_1WriterMultiReaders(self):
if verbose:
print '\n', '-=' * 30
print "Running %s.test01_1WriterMultiReaders..." % \
self.__class__.__name__
keys=range(self.records)
import random
random.shuffle(keys)
records_per_writer=self.records//self.writers
readers_per_writer=self.readers//self.writers
self.assertEqual(self.records,self.writers*records_per_writer)
self.assertEqual(self.readers,self.writers*readers_per_writer)
self.assertTrue((records_per_writer%readers_per_writer)==0)
readers = []
for x in xrange(self.readers):
rt = Thread(target = self.readerThread,
args = (self.d, x),
name = 'reader %d' % x,
)#verbose = verbose)
import sys
if sys.version_info[0] < 3 :
rt.setDaemon(True)
else :
rt.daemon = True
readers.append(rt)
writers=[]
for x in xrange(self.writers):
a=keys[records_per_writer*x:records_per_writer*(x+1)]
a.sort() # Generate conflicts
b=readers[readers_per_writer*x:readers_per_writer*(x+1)]
wt = Thread(target = self.writerThread,
args = (self.d, a, b),
name = 'writer %d' % x,
)#verbose = verbose)
writers.append(wt)
for t in writers:
import sys
if sys.version_info[0] < 3 :
t.setDaemon(True)
else :
t.daemon = True
t.start()
for t in writers:
t.join()
for t in readers:
t.join()
def split_data(file2idx, name2idx, val_ratio=0.1):
'''
划分数据集,val需保证每类至少有1个样本
:param file2idx:文件的标签id
:param val_ratio:验证集占总数据的比例
:return:训练集，验证集路径
'''
data = set(os.listdir(config.train_dir))
# 去重
new_data = set()
dv = set()
for i in data:
file_path = os.path.join(config.train_dir, i)
with open(file_path, 'r', encoding='utf-8') as fr:
ss = fr.read()
if ss in dv:
continue # 去重
elif name2idx['窦性心律'] in file2idx[i] and name2idx[
'窦性心律不齐'] in file2idx[i]:
continue # 去除同时出现窦性心律和窦性心律不齐
else:
new_data.add(i)
dv.add(ss)
data = new_data
for i in data:
# 部分数据标记为不完全性右束支传导阻滞或完全性右束支传导阻滞，却没标记为右束支传导阻滞
if (name2idx['不完全性右束支传导阻滞'] in file2idx[i] or name2idx['完全性右束支传导阻滞'] in file2idx[i]) \
and name2idx['右束支传导阻滞'] not in file2idx[i]:
file2idx[i].append(name2idx['右束支传导阻滞'])
# 部分数据标记为完全性左束支传导阻滞，却没标记为左束支传导阻滞
if name2idx['完全性左束支传导阻滞'] in file2idx[i] \
and name2idx['右束支传导阻滞'] not in file2idx[i]:
file2idx[i].append(name2idx['左束支传导阻滞'])
file2idx[i].append(name2idx['左束支传导阻滞'])
val = set()
idx2file = [[] for _ in range(config.num_classes)]
for file in data:
for idx in file2idx[file]:
idx2file[idx].append(file)
for item in idx2file:
# print(len(item), item)
num = int(len(item) * val_ratio)
# 乱序
random.shuffle(item)
val = val.union(item[:num])
train = data.difference(val)
return list(train), list(val)
def staircaseFunctionEvolve(length, numSteps, order, delta, sigma, probMutation, probCrossover, popSize, maxGens):
L = arange(length)
random.shuffle(L)
L=L[:order*numSteps]
L.shape=(-1,order)
V=ones(L.shape, dtype='int8')
evolve(partial(staircaseFunction, L=L, V=V, delta=delta, sigma=sigma),
length,
popSize,
maxGens,
probMutation,
probCrossover=probCrossover,
visualizeGen=partial(staircaseFunctionVisualize,L=L, figNum=3),
visualizeRun=partial(visualizeRun, figNum=4))
def test02_SimpleLocks(self):
if verbose:
print "\n", "-=" * 30
print "Running %s.test02_SimpleLocks..." % self.__class__.__name__
keys = range(self.records)
import random
random.shuffle(keys)
records_per_writer = self.records // self.writers
readers_per_writer = self.readers // self.writers
self.assertEqual(self.records, self.writers * records_per_writer)
self.assertEqual(self.readers, self.writers * readers_per_writer)
self.assertTrue(records_per_writer % readers_per_writer == 0)
readers = []
for x in xrange(self.readers):
rt = Thread(target=self.readerThread, args=(self.d, x), name="reader %d" % x)
if sys.version_info[0] < 3:
rt.setDaemon(True)
else:
rt.daemon = True
readers.append(rt)
writers = []
for x in xrange(self.writers):
a = keys[records_per_writer * x : records_per_writer * (x + 1)]
a.sort()
b = readers[readers_per_writer * x : readers_per_writer * (x + 1)]
wt = Thread(target=self.writerThread, args=(self.d, a, b), name="writer %d" % x)
writers.append(wt)
for t in writers:
if sys.version_info[0] < 3:
t.setDaemon(True)
else:
t.daemon = True
t.start()
for t in writers:
t.join()
for t in readers:
t.join()
def _randomize(self, iteration):
random.shuffle(self._expressions)
return next(iter(self._expressions))
def random_order(graph):
l= graph.keys()
random.shuffle(l)
return l
def evolve(fitnessFunction,
length,
popSize,
maxGens,
probMutation,
probCrossover=1,
sigmaScaling=True,
sigmaScalingCoeff=1,
SUS=True,
visualizeGen=visualizeGen,
visualizeRun=visualizeRun):
maskReposFactor = 5
uniformCrossoverMaskRepos = rand(popSize/2, (length+1)*maskReposFactor) < 0.5
mutMaskRepos = rand(popSize, (length+1)*maskReposFactor) < probMutation
avgFitnessHist = zeros(maxGens+1)
maxFitnessHist = zeros(maxGens+1)
pop = zeros((popSize, length), dtype='int8')
pop[rand(popSize, length)<0.5] = 1
for gen in xrange(maxGens):
fitnessVals = fitnessFunction(pop)
fitnessVals = transpose(fitnessVals)
maxFitnessHist[gen] = fitnessVals.max()
avgFitnessHist[gen] = fitnessVals.mean()
print "gen = %.3d avgFitness = %3.3f maxfitness = %3.3f" % (gen, avgFitnessHist[gen], maxFitnessHist[gen])
if visualizeGen:
visualizeGen(pop, gen=gen, avgFitness=avgFitnessHist[gen], maxFitness=maxFitnessHist[gen])
if sigmaScaling:
sigma = std(fitnessVals)
if sigma:
fitnessVals = 1 + (fitnessVals - fitnessVals.mean()) / (sigmaScalingCoeff * sigma)
fitnessVals[fitnessVals<0] = 0
else:
fitnessVals = ones(1,popSize)
cumNormFitnessVals = cumsum(fitnessVals/fitnessVals.sum())
if SUS:
markers = random.random() + arange(popSize,dtype='float')/popSize
markers[markers>1] = markers[markers >1] - 1
else:
markers = rand(1, popSize)
markers = sort(markers)
parentIndices = zeros(popSize, dtype='int16')
ctr = 0
for idx in xrange(popSize):
while markers[idx]>cumNormFitnessVals[ctr]:
ctr += 1
parentIndices[idx] = ctr
random.shuffle(parentIndices)
# deterimine the first parents of each mating pair
firstParents = pop[parentIndices[0:popSize/2],:]
# determine the second parents of each mating pair
secondParents = pop[parentIndices[popSize/2:],:]
temp = floor(random.random() * length * maskReposFactor-1)
masks = uniformCrossoverMaskRepos[:, temp:temp+length]
reprodIndices = rand(popSize/2)<1-probCrossover
masks[reprodIndices, :] = False
firstKids = firstParents
firstKids[masks] = secondParents[masks]
secondKids = secondParents
secondKids[masks] = firstParents[masks]
pop = vstack((firstKids, secondKids))
temp = floor(random.random()*length*(maskReposFactor-1))
masks = mutMaskRepos[:, temp:temp+length]
pop[masks] = pop[masks] + 1
pop = remainder(pop, 2)
visualizeRun(avgFitnessHist, maxFitnessHist)
def _generate_vals(count, token):
random.seed(token)
return random.shuffle([1 for __ in range(count // 2)] + [-1 for __ in range(count // 2)])
def process_all_in_random_order(data, process):
data = list(data)
random.shuffle(data)
for elem in data:
process(data)