def fit(self, k, X_train, y_train):
n, m = X_train.shape
self.fcm = FCM(n_clusters=k)
fcm = self.fcm.fit(X_train)
V = fcm.centers
U = fcm.u
self.G = np.ndarray(shape=(n, k))
self.C = np.zeros(shape=(k, m, m))
for i in range(k):
sm = 0
for j in range(n):
diff = np.array(X_train[j] - V[i]).reshape(-1, 1)
self.C[i] += (U[j, i]**m) * diff * (diff.transpose())
sm += U[j, i]**m
self.C[i] /= sm
self.C = np.array([np.linalg.inv(c) for c in self.C])
for i in range(k):
for j in range(n):
diff = np.array(X_train[j] - V[i]).reshape(-1, 1)
self.G[j, i] = np.exp(
-self.gamma * (diff.transpose().dot(self.C[i])).dot(diff))
ohe = OneHotEncoder(sparse=False)
Y = ohe.fit_transform(y_train)
self.W = np.linalg.inv(self.G.T.dot(self.G)).dot(self.G.T).dot(Y)
return self
def __init__(self, config, log):
Sender.__init__(self, config, log)
self.base_deeplink_url = config.get('Messenger', 'base_deeplink_url')
app = generate_fcm_app(
config.get('Messenger', 'google_application_credentials'))
self.FCM = FCM(app)
self.canonical_ids = []
self.unregistered_devices = []
def fzclustering(users_skills, n_clusters_range, fuzzpar, plot=False):
X = users_skills
n_clusters_range = list(n_clusters_range)
fzmodels = {}
times = []
fpcs = []
# Find the best number of clusters
for n_clusters_ in n_clusters_range:
# another library
start = time.time()
fuzzy_fcm = FCM(n_clusters=n_clusters_,
max_iter=50,
m=fuzzpar,
error=1e-5,
random_state=37)
fuzzy_fcm.fit(X)
end = time.time()
times.append(end - start)
#print("Number of fuzzy clusters " + str(n_clusters_) + ' duration: ' + str((end - start)))
fcm_centers = fuzzy_fcm.centers
fcm_labels = fuzzy_fcm.predict(X)
fuzzy_clustering_coeff = fuzzy_fcm.partition_coefficient
pec = fuzzy_fcm.partition_entropy_coefficient
fpcs.append(fuzzy_clustering_coeff)
fzmodels[
n_clusters_] = fcm_centers, fcm_labels, fuzzy_clustering_coeff, fuzzy_fcm
best_centers = max(fzmodels.values(), key=lambda x: x[2])
if plot:
plt.figure()
plt.title(f"Fuzzy c-means over number of clusters")
plt.xlabel("Number of clusters")
plt.xticks(n_clusters_range)
plt.ylabel("Fuzzy partition coefficient")
plt.plot(n_clusters_range, fpcs)
plt.tight_layout()
plt.savefig(f"clustering_Fuzzy_1.png")
plt.close()
return best_centers, times
def fzclustering(users_skills, n_clusters_range, plot=False):
X = users_skills
n_clusters_range = list(n_clusters_range)
fzmodels_2 = {}
fpcs_2 = []
# Find the best number of clusters
for n_clusters_ in n_clusters_range:
# another library
fuzzy_fcm = FCM(n_clusters=n_clusters_, max_iter=50, m=1.2, error=1e-5, random_state=88)
fuzzy_fcm.fit(X)
fcm_centers = fuzzy_fcm.centers
fcm_labels = fuzzy_fcm.predict(X)
fuzzy_clustering_coeff = fuzzy_fcm.partition_coefficient
pec = fuzzy_fcm.partition_entropy_coefficient
fpcs_2.append(fuzzy_clustering_coeff)
fzmodels_2[n_clusters_] = fcm_centers, fcm_labels, fuzzy_clustering_coeff
best_centers_2 = max(fzmodels_2.values(), key=lambda x: x[2])
if plot:
plt.figure()
plt.title(f"Fuzzy c-means over number of clusters")
plt.xlabel("Number of clusters")
plt.xticks(n_clusters_range)
plt.ylabel("Fuzzy partition coefficient (FPC)")
plt.plot(n_clusters_range, fpcs_2)
plt.tight_layout()
plt.savefig(f"Fuzzy partition coefficient")
plt.close()
return best_centers_2
def fcm_trials(k, m=1.2, rtrials=5):
models = [FCM(k, m, data) for _ in range(rtrials)]
training_err = [model.train(data) for model in models]
results = [(err[-1], model) for err, model in zip(training_err, models)]
results = sorted(results, key=lambda x: x[0])
# Plot results for each FCM trial
for i, trial in enumerate(results):
final_err = round(trial[0], 2)
model = trial[1]
plt.title(f'Trial {i+1} FCM Cluster Assignments (SSE={final_err})')
plotKClusters(model, k, data)
plt.show()
# Select and show bes model from r trials
lowest_sse = round(results[0][0], 2)
best_model = results[0][1]
plt.title(f'Best FCM model (SSE={lowest_sse})')
plotKClusters(best_model, k, data)
plt.show()
class RBF:
def __init__(self, gamma=0.1):
self.gamma = gamma
self.G = None
self.C = None
self.W = None
self.fcm = None
def fit(self, k, X_train, y_train):
n, m = X_train.shape
self.fcm = FCM(n_clusters=k)
fcm = self.fcm.fit(X_train)
V = fcm.centers
U = fcm.u
self.G = np.ndarray(shape=(n, k))
self.C = np.zeros(shape=(k, m, m))
for i in range(k):
sm = 0
for j in range(n):
diff = np.array(X_train[j] - V[i]).reshape(-1, 1)
self.C[i] += (U[j, i]**m) * diff * (diff.transpose())
sm += U[j, i]**m
self.C[i] /= sm
self.C = np.array([np.linalg.inv(c) for c in self.C])
for i in range(k):
for j in range(n):
diff = np.array(X_train[j] - V[i]).reshape(-1, 1)
self.G[j, i] = np.exp(
-self.gamma * (diff.transpose().dot(self.C[i])).dot(diff))
ohe = OneHotEncoder(sparse=False)
Y = ohe.fit_transform(y_train)
self.W = np.linalg.inv(self.G.T.dot(self.G)).dot(self.G.T).dot(Y)
return self
def predict(self, X_test):
n, m = X_test.shape
V = self.fcm.centers
U = self.fcm.predict(X_test)
k = self.fcm.n_clusters
G = np.ndarray(shape=(n, k))
C = np.zeros(shape=(k, m, m))
for i in range(k):
sm = 0
for j in range(n):
diff = np.array(X_test[j] - V[i])
C[i] += (U[j, i]**m) * diff * (diff.transpose())
sm += U[j, i]**m
C[i] /= sm
C = np.array([np.linalg.pinv(c) for c in C])
for i in range(k):
for j in range(n):
diff = np.array(X_test[j] - V[i])
G[j, i] = np.exp(-self.gamma *
(diff.transpose().dot(C[i])).dot(diff))
y_pred = np.argmax(G.dot(self.W), axis=1)
return y_pred
def get_accuracy(self, y_test, y_pred):
return np.mean(np.equal(y_test.flatten(), y_pred.flatten()))
#!/usr/bin/env python
from fcm import FCM
# Topic Messaging
API_KEY = "your api key"
fcm = FCM(API_KEY)
data = {'param1': 'value1', 'param2': 'value2'}
condition = "'TopicA' in topics && ('TopicB' in topics || 'TopicC' in topics)"
response = fcm.send_topic_message(condition=condition, data=data)
print(response)
#!/usr/bin/env python
from fcm import FCM
# JSON request
API_KEY = "your api key"
fcm = FCM(API_KEY)
registration_ids = ["your token 1", "your token 2"]
notification = {
"title": "Awesome App Update",
"body": "body",
}
response = fcm.json_request(
registration_ids=registration_ids,
notification=notification,
# collapse_key='awesomeapp_update',
# restricted_package_name="com.google.firebase.quickstart.fcm",
priority='high',
delay_while_idle=False)
# Successfully handled registration_ids
if response and 'success' in response:
for reg_id, success_id in response['success'].items():
print('Successfully sent notification for reg_id {0}'.format(reg_id))
# Handling errors
import requests
import pywaves
from app_core import app, db, socketio, SERVER_MODE_WAVES, SERVER_MODE_PAYDB
from models import Role, User, WavesTx, Proposal, Payment, Topic, PushNotificationLocation
import utils
from fcm import FCM
from web_utils import bad_request, get_json_params, get_json_params_optional
import paydb_core
from reward_endpoint import reward, reward_create
# pylint: disable=unused-import
import admin
#jsonrpc = JSONRPC(app, "/api")
logger = logging.getLogger(__name__)
fcm = FCM(app.config["FIREBASE_CREDENTIALS"])
SERVER_MODE = app.config["SERVER_MODE"]
DEEP_LINK_SCHEME = app.config["DEEP_LINK_SCHEME"]
if SERVER_MODE == SERVER_MODE_WAVES:
import tx_utils
# our pywaves address object
PW_ADDRESS = None
# wave specific config settings
NODE_BASE_URL = app.config["NODE_BASE_URL"]
SEED = app.config["WALLET_SEED"]
ADDRESS = app.config["WALLET_ADDRESS"]
ASSET_ID = app.config["ASSET_ID"]
TESTNET = app.config["TESTNET"]
# master wallet blueprint
from mw_endpoint import mw
#!/usr/bin/env python3
from fcm import FCM
# Plain text request
API_KEY = "your api key"
fcm = FCM(API_KEY, debug=True)
registration_id = 'your push token'
data = {'param1': 'value1', 'param2': 'value2'}
response = fcm.plaintext_request(registration_id=registration_id, data=data)
print(response)
#!/usr/bin/env python
from fcm import FCM
# Topic Messaging
API_KEY = "your api key"
fcm = FCM(API_KEY)
data = {'param1': 'value1', 'param2': 'value2'}
topic = 'your topic name'
response = fcm.send_topic_message(topic=topic, data=data)
print(response)
class FCMPushSender(Sender):
"""
FCM Push Sender uses python-FCM module: https://github.com/geeknam/python-FCM
FCM documentation: https://developer.android.com/google/FCM/FCM.html
"""
def __init__(self, config, log):
Sender.__init__(self, config, log)
self.base_deeplink_url = config.get('Messenger', 'base_deeplink_url')
app = generate_fcm_app(
config.get('Messenger', 'google_application_credentials'))
self.FCM = FCM(app)
self.canonical_ids = []
self.unregistered_devices = []
def pop_canonical_ids(self):
items = self.canonical_ids
self.canonical_ids = []
return items
def pop_unregistered_devices(self):
items = self.unregistered_devices
self.unregistered_devices = []
return items
def create_message(self, notification):
expiry_seconds = (notification['time_to_live_ts_bigint'] -
int(round(time.time() * 1000))) / 1000
if expiry_seconds < 0:
self.log.warning(
'FCM: expired notification with sending_id: {0}; expiry_seconds: {1}'
.format(notification['sending_id'], expiry_seconds))
notification['status'] = const.NOTIFICATION_EXPIRED
return
utm_source = 'pushnotification'
utm_campaign = str(notification['campaign_id'])
utm_medium = str(notification['message_id'])
data = {
'title':
notification['title'],
'message':
notification['content'],
'url':
self.base_deeplink_url + '://' + notification['screen'] +
'?utm_source=' + utm_source + '&utm_campaign=' + utm_campaign +
'&utm_medium=' + utm_medium,
'notifid':
notification['campaign_id'],
}
msg = messaging.Message(
data=data,
token=notification['receiver_id'],
)
return msg
def send(self, notification):
dry_run = 'dry_run' in notification and notification['dry_run'] == True
message = self.create_message(notification)
response = self.FCM.send(message, dry_run)
return response
def send_batch(self):
messages = []
while len(self.queue):
messages.append(self.create_message(self.queue.pop()))
return self.FCM.send_batch(messages)
import matplotlib.pyplot as plt
from fcm import FCM
import cv2
import numpy as np
if __name__ == "__main__":
img = cv2.imread("colored_image.png", 1)
img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
z = img.reshape(-1, 3)
z = np.float32(z)
#a= z.reshape(229,459,3)
x = input("enter number of clusters: ")
fcm = FCM(z, x, 100) #create the fcm model
fcm.initializeCenters() #initialize the centers of clusters
current = 0
while ((current < fcm.max_iter) and (not fcm.membershipConvergence())
): #while the membership values not converging
print(current)
fcm.updateMembershipDegrees()
fcm.updateCenters()
current += 1
output1 = fcm.segmentImage()
output1 = np.array(output1)
output1 = output1.reshape(229, 459, 3)
output1 = np.uint8(output1)
output = [img, output1]
titles = ["original", str(x) + " clusters segmentation"]
for i in range(2):
plt.subplot(2, 2, i + 1)
plt.imshow(output[i])
plt.title(titles[i])
def send_notification(self, news):
status_code = FCM(news).send_notification()
print("Sent notification: " + str(status_code))
if __name__ == "__main__":
data = []
with open("Mall_Customers.csv",
"r") as dataFile: #dataset of mall_customers
for line in dataFile:
row = line.split(",")
row[-1] = row[-1][:-2]
data.append(row)
line = dataFile.readline
features = data[0][2:]
#for row in data: #uncomment this to see raw dataset
# print(row)
data = prepareData(data)
x = input("enter number of clusters: "
) #this dataset can be effectively devided only into 2 clusters
fcm = FCM(data, x, 100) #create the fcm model
fcm.initializeCenters() #initialize the centers of clusters
current = 0
while ((current < fcm.max_iter) and (not fcm.membershipConvergence())
): #while the membership values not converging
fcm.updateMembershipDegrees()
fcm.updateCenters()
current += 1
"""temporaryClusters=fcm.makeClusters()
for item in temporaryClusters:
if len(item)==0:
maxrand=len(data)
randomIndex=random.randint(10,maxrand)-11
row = data[randomIndex]
item.append(row)"""
#print(fcm.membershipMatrix[0][0])
from fcm import FCM
from point import Point
f = open("sample1.csv", "r")
f.readline()
points = []
for line in f:
pointLine = line.replace("\n","").split(",")
value = []
point = Point()
for val in pointLine:
value.append(float(val))
point.setValue(value)
points.append(point)
fcm = FCM(points, m=2, minCluster=2, maxCluster=10)
fcm.run()
#!/usr/bin/env python
from fcm import FCM
# JSON request
API_KEY = "your api key"
fcm = FCM(API_KEY)
registration_ids = ["your token 1", "your token 2"]
notification = {
"title": "Awesome App Update",
"body": "body",
}
response = fcm.json_request(
registration_ids=registration_ids,
notification=notification,
# collapse_key='awesomeapp_update',
# restricted_package_name="com.google.firebase.quickstart.fcm",
priority='high',
delay_while_idle=False)
# Successfully handled registration_ids
if response and 'success' in response:
for reg_id, success_id in response['success'].items():
print('Successfully sent notification for reg_id {0}'.format(reg_id))
# Handling errors