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This script will publish the data transformed for Covid-19 predictions from the third-party sources
###############################################################
#### ####
#### Written By: Satyaki De ####
#### Written Date: 26-Jul-2021 ####
#### Modified Date: 08-Sep-2021 ####
#### ####
#### Objective: This script will publish real-time ####
#### streaming data coming out from a hosted API ####
#### sources using another popular third-party service ####
#### named Ably. Ably mimics pubsub Streaming concept, ####
#### which might be extremely useful for any start-ups. ####
#### ####
###############################################################
from ably import AblyRest
import logging
import json
from random import seed
from random import random
import json
import math
import random
from clsConfig import clsConfig as cf
# Global Section
logger = logging.getLogger('ably')
logger.addHandler(logging.StreamHandler())
ably_id = str(cf.conf['ABLY_ID'])
ably = AblyRest(ably_id)
channel = ably.channels.get('sd_channel')
# End Of Global Section
class clsPublishStream:
def __init__(self):
self.fnc = cf.conf['FNC']
def pushEvents(self, srcDF, debugInd, varVa, flg):
try:
# JSON data
# This is the default data for all the identified category
# we've prepared. You can extract this dynamically. Or, By
# default you can set their base trade details.
json_data = [{'Year_Mon': '201911', 'Brazil': 0.0, 'Canada': 0.0, 'Germany': 0.0, 'India': 0.0, 'Indonesia': 0.0, 'UnitedKingdom': 0.0, 'UnitedStates': 0.0, 'Status': flg},
{'Year_Mon': '201912', 'Brazil': 0.0, 'Canada': 0.0, 'Germany': 0.0, 'India': 0.0, 'Indonesia': 0.0, 'UnitedKingdom': 0.0, 'UnitedStates': 0.0, 'Status': flg}]
jdata = json.dumps(json_data)
# Publish a message to the sd_channel channel
channel.publish('event', jdata)
# Capturing the inbound dataframe
iDF = srcDF
# Adding new selected points
covid_dict = iDF.to_dict('records')
jdata_fin = json.dumps(covid_dict)
# Publish rest of the messages to the sd_channel channel
channel.publish('event', jdata_fin)
jdata_fin = ''
return 0
except Exception as e:
x = str(e)
print(x)
logging.info(x)
return 1
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