def getFileNames()

in app/lambda/helper.py [0:0]
27 lines of code
7 McCabe index (conditional complexity)

    def getFileNames(bucketName, prefix, maxPages, allowedFileTypes, awsRegion=None):

        files = []

        currentPage = 1
        hasMoreContent = True
        continuationToken = None

        s3client = AwsHelper().getClient('s3', awsRegion)

        while(hasMoreContent and currentPage <= maxPages):
            if(continuationToken):
                listObjectsResponse = s3client.list_objects_v2(
                    Bucket=bucketName,
                    Prefix=prefix,
                    ContinuationToken=continuationToken)
            else:
                listObjectsResponse = s3client.list_objects_v2(
                    Bucket=bucketName,
                    Prefix=prefix)

            if(listObjectsResponse['IsTruncated']):
                continuationToken = listObjectsResponse['NextContinuationToken']
            else:
                hasMoreContent = False

            for doc in listObjectsResponse['Contents']:
                docName = doc['Key']
                docExt = FileHelper.getFileExtenstion(docName)
                docExtLower = docExt.lower()
                if(docExtLower in allowedFileTypes):
                    files.append(docName)

        return files