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Blackify and isortify #46

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178 changes: 89 additions & 89 deletions src/asyncproc.py
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Original file line number Diff line number Diff line change
@@ -1,162 +1,164 @@
import json
import boto3
import os
from helper import AwsHelper
import time

def startJob(bucketName, objectName, documentId, snsTopic, snsRole, detectForms, detectTables):
import boto3

from helper import AwsHelper

print("Starting job with documentId: {}, bucketName: {}, objectName: {}".format(documentId, bucketName, objectName))

def startJob(
bucketName, objectName, documentId, snsTopic, snsRole, detectForms, detectTables
):

print(
"Starting job with documentId: {}, bucketName: {}, objectName: {}".format(
documentId, bucketName, objectName
)
)

response = None
client = AwsHelper().getClient('textract')
if(not detectForms and not detectTables):
client = AwsHelper().getClient("textract")
if not detectForms and not detectTables:
response = client.start_document_text_detection(
ClientRequestToken = documentId,
DocumentLocation={
'S3Object': {
'Bucket': bucketName,
'Name': objectName
}
},
NotificationChannel= {
"RoleArn": snsRole,
"SNSTopicArn": snsTopic
},
JobTag = documentId)
ClientRequestToken=documentId,
DocumentLocation={"S3Object": {"Bucket": bucketName, "Name": objectName}},
NotificationChannel={"RoleArn": snsRole, "SNSTopicArn": snsTopic},
JobTag=documentId,
)
else:
features = []
if(detectTables):
features = []
if detectTables:
features.append("TABLES")
if(detectForms):
if detectForms:
features.append("FORMS")

response = client.start_document_analysis(
ClientRequestToken = documentId,
DocumentLocation={
'S3Object': {
'Bucket': bucketName,
'Name': objectName
}
},
ClientRequestToken=documentId,
DocumentLocation={"S3Object": {"Bucket": bucketName, "Name": objectName}},
FeatureTypes=features,
NotificationChannel= {
"RoleArn": snsRole,
"SNSTopicArn": snsTopic
},
JobTag = documentId)
NotificationChannel={"RoleArn": snsRole, "SNSTopicArn": snsTopic},
JobTag=documentId,
)

return response["JobId"]


def processItem(message, snsTopic, snsRole):

print('message:')
print("message:")
print(message)

messageBody = json.loads(message['Body'])
messageBody = json.loads(message["Body"])

bucketName = messageBody['bucketName']
objectName = messageBody['objectName']
documentId = messageBody['documentId']
features = messageBody['features']
bucketName = messageBody["bucketName"]
objectName = messageBody["objectName"]
documentId = messageBody["documentId"]
features = messageBody["features"]

print('Bucket Name: ' + bucketName)
print('Object Name: ' + objectName)
print('Task ID: ' + documentId)
print("Bucket Name: " + bucketName)
print("Object Name: " + objectName)
print("Task ID: " + documentId)
print("API: {}".format(features))

print('starting Textract job...')
print("starting Textract job...")

detectForms = 'Forms' in features
detectTables = 'Tables' in features
detectForms = "Forms" in features
detectTables = "Tables" in features

jobId = startJob(bucketName, objectName, documentId, snsTopic, snsRole, detectForms, detectTables)
jobId = startJob(
bucketName, objectName, documentId, snsTopic, snsRole, detectForms, detectTables
)

if(jobId):
if jobId:
print("Started Job with Id: {}".format(jobId))

return jobId


def changeVisibility(sqs, qUrl, receipt_handle):
try:
sqs.change_message_visibility(
QueueUrl=qUrl,
ReceiptHandle=receipt_handle,
VisibilityTimeout=0
)
QueueUrl=qUrl, ReceiptHandle=receipt_handle, VisibilityTimeout=0
)
except Exception as e:
print("Failed to change visibility for {} with error: {}".format(receipt_handle, e))
print(
"Failed to change visibility for {} with error: {}".format(
receipt_handle, e
)
)


def getMessagesFromQueue(sqs, qUrl,):
def getMessagesFromQueue(
sqs,
qUrl,
):
# Receive message from SQS queue
response = sqs.receive_message(
QueueUrl=qUrl,
MaxNumberOfMessages=1,
VisibilityTimeout=60 #14400
QueueUrl=qUrl, MaxNumberOfMessages=1, VisibilityTimeout=60 # 14400
)

print('SQS Response Recieved:')
print("SQS Response Recieved:")
print(response)

if('Messages' in response):
return response['Messages']
if "Messages" in response:
return response["Messages"]
else:
print("No messages in queue.")
return None


def processItems(qUrl, snsTopic, snsRole):

sqs = AwsHelper().getClient('sqs')
sqs = AwsHelper().getClient("sqs")
messages = getMessagesFromQueue(sqs, qUrl)

jc = 0
totalMessages = 0
hitLimit = False
limitException = None

if(messages):

if messages:

totalMessages = len(messages)
print("Total messages: {}".format(totalMessages))

for message in messages:
receipt_handle = message['ReceiptHandle']
receipt_handle = message["ReceiptHandle"]

try:
if(hitLimit):
if hitLimit:
changeVisibility(sqs, qUrl, receipt_handle)
else:
print("starting job...")
processItem(message, snsTopic, snsRole)
print("started job...")
print('Deleting item from queue...')
print("Deleting item from queue...")
# Delete received message from queue
sqs.delete_message(
QueueUrl=qUrl,
ReceiptHandle=receipt_handle
)
print('Deleted item from queue...')
sqs.delete_message(QueueUrl=qUrl, ReceiptHandle=receipt_handle)
print("Deleted item from queue...")
jc += 1
except Exception as e:
print("Error while starting job or deleting from queue: {}".format(e))
changeVisibility(sqs, qUrl, receipt_handle)
if(e.__class__.__name__ == 'LimitExceededException'
or e.__class__.__name__ == "ProvisionedThroughputExceededException"):
if (
e.__class__.__name__ == "LimitExceededException"
or e.__class__.__name__ == "ProvisionedThroughputExceededException"
):
hitLimit = True
limitException = e

if(hitLimit):
if hitLimit:
raise limitException

return totalMessages, jc


def processRequest(request):

qUrl = request['qUrl']
snsTopic = request['snsTopic']
snsRole = request['snsRole']
qUrl = request["qUrl"]
snsTopic = request["snsTopic"]
snsRole = request["snsRole"]

i = 0
max = 100
Expand All @@ -166,24 +168,24 @@ def processRequest(request):
hitLimit = False
provisionedThroughputExceededCount = 0

while(i < max):
while i < max:
try:
tc, jc = processItems(qUrl, snsTopic, snsRole)

totalJobsScheduled += jc

if(tc == 0):
if tc == 0:
i = max

except Exception as e:
if(e.__class__.__name__ == 'LimitExceededException'):
if e.__class__.__name__ == "LimitExceededException":
print("Exception: Hit limit.")
hitLimit = True
i = max
elif(e.__class__.__name__ == "ProvisionedThroughputExceededException"):
elif e.__class__.__name__ == "ProvisionedThroughputExceededException":
print("ProvisionedThroughputExceededException.")
provisionedThroughputExceededCount += 1
if(provisionedThroughputExceededCount > 5):
if provisionedThroughputExceededCount > 5:
i = max
else:
print("Waiting for few seconds...")
Expand All @@ -193,24 +195,22 @@ def processRequest(request):
i += 1

output = "Started {} jobs.".format(totalJobsScheduled)
if(hitLimit):
if hitLimit:
output += " Hit limit."

print(output)

return {
'statusCode': 200,
'body': output
}
return {"statusCode": 200, "body": output}


def lambda_handler(event, context):

print("event: {}".format(event))

request = {}

request["qUrl"] = os.environ['ASYNC_QUEUE_URL']
request["snsTopic"] = os.environ['SNS_TOPIC_ARN']
request["snsRole"] = os.environ['SNS_ROLE_ARN']
request["qUrl"] = os.environ["ASYNC_QUEUE_URL"]
request["snsTopic"] = os.environ["SNS_TOPIC_ARN"]
request["snsRole"] = os.environ["SNS_ROLE_ARN"]

return processRequest(request)
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