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9ddee9f 8cf4695 9ddee9f 8cf4695 9ddee9f 8cf4695 9ddee9f 8cf4695 9ddee9f 8cf4695 9ddee9f 8cf4695 9ddee9f 8cf4695 9ddee9f 8cf4695 9ddee9f 8cf4695 9ddee9f 8cf4695 9ddee9f 8cf4695 9ddee9f 8cf4695 9ddee9f 8cf4695 9ddee9f 8cf4695 9ddee9f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 | import os
import yaml
from datetime import datetime, timedelta
import requests
import json
from .Profiling import Profiling
from .Prophet import Prophet
from .CEIF import CEIF
from .fft import fft
from .holt_winters import holt_winters
from .auto_arima import auto_arima
from dotenv import load_dotenv
# load_dotenv()
class IDSC():
def __init__(self) -> None:
__location__ = os.path.realpath(
os.path.join(os.getcwd(), os.path.dirname(__file__)))
self.config_path = os.path.join(__location__, 'config.yml')
self.logged_in = False
self.timeformat = '%m/%d/%Y, %H:%M:%S'
with open(self.config_path, 'r') as file:
self.config = yaml.safe_load(file)
self.expire = self.config['apikey_expire']
self.apikey = self.config['apikey']
self.login()
def login(self):
now = datetime.now()
expire_date = datetime.strptime(self.expire, self.timeformat)
if now >= expire_date:
print('apikey expired, requesting new one.')
self.apikey = self.fetch_apikey()
self.update_config()
else:
print('apikey still available, logged in')
self.logged_in = True
def fetch_apikey(self):
# print(os.environ)
payloads = {
'email': os.getenv('IDSC_ACC'),
'pwd': os.getenv('IDSC_PASS')
}
print('IDSC Logging in ...')
login_resp = requests.post(
'https://idsc.com.sg/user/login',
json=payloads)
if login_resp.status_code == 200:
apikey = login_resp.json()["API_key"]
return apikey
else:
raise Exception(login_resp.json())
def update_config(self):
now = datetime.now()
expire = (now + timedelta(days=3)).strftime(self.timeformat)
self.config['apikey'] = self.apikey
self.config['apikey_expire'] = expire
self.expire = expire
with open(self.config_path, 'w') as f:
yaml.dump(self.config, f, default_flow_style=False)
def profiling(self, ts):
'''
ts_list : list of integers for IDSC profiling APIs
'''
ts_obj = json.loads(ts)
ts_list = ts_obj['target'].values()
self.login()
profiling = Profiling(apikey=self.apikey)
return profiling.profile(ts_list)
# return self.profile
def prophet(self, ts: str, n_predict, profile):
'''
ts: time series object string
profile: refer to self.profiling response
'''
self.login()
prophet = Prophet(apikey=self.apikey)
characteristic = profile['classification_res']['time_series_class']['overall_characteristic']
inter_order_cpi = profile['change_point_res']['inter_order_cpi']
if characteristic == 'continuous':
res = prophet.continuous(
ts, n_predict, inter_order_cpi=inter_order_cpi)
else:
res = prophet.intermittent(
ts, n_predict, inter_order_cpi=inter_order_cpi)
return res
def ceif(
self,
ts: str,
n_predict,
quantity_score_weight=None,
rate_score_weight=None,
timing_score_weight=None):
print('IDSC ceif')
self.login()
ceif = CEIF(apikey=self.apikey)
ts_obj = json.loads(ts)
ts_list = list(ts_obj['target'].values())
res = ceif.forecast(
ts_list,
n_predict,
quantity_score_weight=quantity_score_weight,
rate_score_weight=rate_score_weight,
timing_score_weight=timing_score_weight)
print('IDSC ceif completed')
return res
def fft(
self,
ts: str,
n_predict,
num_harmonics=None):
print('IDSC fft')
self.login()
model = fft(apikey=self.apikey)
ts_obj = json.loads(ts)
ts_list = list(ts_obj['target'].values())
res = model.forecast(
ts_list,
n_predict,
num_harmonics=num_harmonics)
return res
def holt_winters(self, ts, n_predict, seasonal_cycle=None):
print('IDSC holt_winters')
self.login()
model = holt_winters(apikey=self.apikey)
ts_obj = json.loads(ts)
ts_list = list(ts_obj['target'].values())
res = model.forecast(
ts_list,
n_predict,
seasonal_cycle=seasonal_cycle)
return res
def auto_arima(self, ts, n_predict):
print('IDSC auto_arima')
self.login()
model = auto_arima(apikey=self.apikey)
ts_obj = json.loads(ts)
ts_list = list(ts_obj['target'].values())
res = model.forecast(
ts_list,
n_predict,
)
return res
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