File views.py has 308 lines of code (exceeds 250 allowed). Consider refactoring.

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import json
from django.shortcuts import render
from rest_framework.decorators import api_view
from rest_framework.views import APIView
from rest_framework.response import Response

File anomalyDetectionTasks.py has 301 lines of code (exceeds 250 allowed). Consider refactoring.

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import os
import json
import asyncio
import traceback
import logging

File serializers.py has 297 lines of code (exceeds 250 allowed). Consider refactoring.

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import json
import dateutil.parser as dp
import datetime as dt
from anomaly.settingDetails import settingDicts
from rest_framework import serializers

Function anomalyDetectionJob has a Cognitive Complexity of 17 (exceeds 5 allowed). Consider refactoring.

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def anomalyDetectionJob(anomalyDef_id: int, manualRun: bool = False):
    """
    Method to find initiate anomaly detection for a given anomaly definition
    :param anomalyDef_id: ID of the anomaly definition
    :param manualRun: Boolean determining whether task was manually initiated

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Function prepareAnomalyDataframes has a Cognitive Complexity of 16 (exceeds 5 allowed). Consider refactoring.

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def prepareAnomalyDataframes(
    datasetDf, timestampCol, metricCol, dimensionCol=None, operation=None, value=10, nonRollup=False
):
    """
    Utility function to prepare anomaly dataframes by grouping on dimension

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Function addConnection has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.

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    def addConnection(payload):
        """
        Add connection or build new connection
        :param payload: Contains name, connectionType_id, params, description
        """

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Function anomalyChartToImgStr has 33 lines of code (exceeds 25 allowed). Consider refactoring.

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    def anomalyChartToImgStr(anomalyId: int = 0):
        """ Generate anomaly chart and convert it to image """
        anomaly = Anomaly.objects.get(id=anomalyId)
        granularity = anomaly.anomalyDefinition.dataset.granularity
        data = anomaly.data

Function prophetDetect has 32 lines of code (exceeds 25 allowed). Consider refactoring.

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def prophetDetect(df, granularity, iterations=None):
    """
    Method to perform anomaly detection on given dataframe using fbProphet
    """
    today = dt.datetime.now()

Function prophetDetect has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.

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def prophetDetect(df, granularity, iterations=None):
    """
    Method to perform anomaly detection on given dataframe using fbProphet
    """
    today = dt.datetime.now()

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Function process_view has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.

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    def process_view(self, request, view_func, view_args, view_kwargs):  # pylint: disable=C0103
        """
        Process view method to check login_exempt decorator and enforce authentication on all views
        """
        try:

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Function createRCAAnomaly has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

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    def createRCAAnomaly(
        anomalyId: int, dimension: str, dimensionValue: str, contriPercent: float, df
    ):
        """
        Create RCA Anomaly for given anomalyId, dimension, dimensionValue

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Function prepareAnomalyDataframes has 7 arguments (exceeds 4 allowed). Consider refactoring.

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def prepareAnomalyDataframes(

Function addAnomalyDefinition has 7 arguments (exceeds 4 allowed). Consider refactoring.

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    def addAnomalyDefinition(

Function runQueryOnConnection has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

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    def runQueryOnConnection(connectionType, connectionParams, query, limit=True):
        dataframe = None
        if connectionType == "BigQuery":
            params = connectionParams
            dataframe = BigQuery.fetchDataframe(params, query, limit=limit)

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Function post has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

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    def post(self, request):
            """For new login"""
            res = {"message": "Some error occured", "success": False}
            if request.method == "POST":
                body = json.loads(request.body)

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Function anomalyService has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

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def anomalyService(dimValObj, dfDict, anomalyDefProps, detectionRuleType, detectionParams):
    """
    Method to conduct the anomaly detection process
    """
    df = pd.DataFrame(dfDict)

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Function slackAlertHelper has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

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    def slackAlertHelper(title, message, name, details="", anomalyId: int = None):
        """
        Helper method for slackAlert
        """
        token = ""

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Function event_logs has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

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def event_logs(anomalyDef_id,status, publishedCount, totalCount):
    """Event logs on anomaly definition Run"""
    userId = "UnIdentified"
    try:
        # userObject = InstallationTable.objects.all()[0]

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Function contributionOnDimensionalValues has 5 arguments (exceeds 4 allowed). Consider refactoring.

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def contributionOnDimensionalValues(

Function cueObserveAnomalyAlert has 5 arguments (exceeds 4 allowed). Consider refactoring.

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    def cueObserveAnomalyAlert(token, channelId, fileImg, title="", message="", details=""):