/clsPublishStream.py Secret
Created
September 9, 2021 14:16
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This script will publish the data transformed for Covid-19 predictions from the third-party sources
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############################################################### | |
#### #### | |
#### 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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