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Pull Request — master (#41)
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06:08
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samples.tasks.BatchUpdateSamples.on_failure()   A

Complexity

Conditions 1

Size

Total Lines 19
Code Lines 12

Duplication

Lines 19
Ratio 100 %

Importance

Changes 0
Metric Value
eloc 12
dl 19
loc 19
rs 9.8
c 0
b 0
f 0
cc 1
nop 6
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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Created on Wed Feb 27 16:38:37 2019
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@author: Paolo Cozzi <[email protected]>
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"""
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from celery.utils.log import get_task_logger
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from common.constants import ERROR
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from common.tasks import BatchUpdateMixin
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from image.celery import app as celery_app, MyTask
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from image_app.models import Submission
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from submissions.helpers import send_message
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# Get an instance of a logger
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logger = get_task_logger(__name__)
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class BatchUpdateSamples(MyTask, BatchUpdateMixin):
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    name = "Batch update samples"
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    description = """Batch update of field in samples"""
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    # Ovverride default on failure method
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    # This is not a failed validation for a wrong value, this is an
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    # error in task that mean an error in coding
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    def on_failure(self, exc, task_id, args, kwargs, einfo):
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        logger.error('{0!r} failed: {1!r}'.format(task_id, exc))
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        # get submission object
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        submission_obj = Submission.objects.get(pk=args[0])
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        # mark submission with ERROR
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        submission_obj.status = ERROR
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        submission_obj.message = ("Error in batch update for samples: %s"
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                                  % (str(exc)))
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        submission_obj.save()
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        send_message(submission_obj)
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        # send a mail to the user with the stacktrace (einfo)
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        submission_obj.owner.email_user(
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            "Error in batch update for samples: %s" % (args[0]),
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            ("Something goes wrong in batch update for samples. Please report "
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             "this to InjectTool team\n\n %s" % str(einfo)),
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        )
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        # TODO: submit mail to admin
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    def run(self, submission_id, sample_ids, attribute, item_type='sample'):
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        """Function for batch update attribute in samples
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        Args:
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            submission_id (int): id of submission
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            sample_ids (dict): dict with id and values to update
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            attribute (str): attribute to update
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            item_type (str): model to update
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        """
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        logger.info("Start batch update for samples")
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        super(BatchUpdateSamples, self).batch_update(submission_id, sample_ids,
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                                                     attribute, item_type)
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        return 'success'
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# register explicitly tasks
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# https://github.com/celery/celery/issues/3744#issuecomment-271366923
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celery_app.tasks.register(BatchUpdateSamples)
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