Merge pull request #125 from scrapinghub/kumo-3323-cancel-multiple-jobs

It adds the ability to cancel multiple jobs

.gitignore

@@ -14,3 +14,4 @@ docs/_build
 
 .DS_Store
 pytestdebug.log
+.idea

scrapinghub/client/exceptions.py

@@ -40,6 +40,11 @@ class Unauthorized(ScrapinghubAPIError):
     """Request lacks valid authentication credentials for the target resource."""
 
 
+class Forbidden(ScrapinghubAPIError):
+    """You don't have the permission to access the requested resource.
+    It is either read-protected or not readable by the server."""
+
+
 class NotFound(ScrapinghubAPIError):
     """Entity doesn't exist (e.g. spider or project)."""
 
@@ -68,6 +73,8 @@ def wrapped(*args, **kwargs):
                 raise BadRequest(http_error=exc)
             elif status_code == 401:
                 raise Unauthorized(http_error=exc)
+            elif status_code == 403:
+                raise Forbidden(http_error=exc)
             elif status_code == 404:
                 raise NotFound(http_error=exc)
             elif status_code == 413:

scrapinghub/client/jobs.py

@@ -1,5 +1,7 @@
 from __future__ import absolute_import
 
+import json
+
 from ..hubstorage.job import JobMeta as _JobMeta
 from ..hubstorage.job import Items as _Items
 from ..hubstorage.job import Logs as _Logs
@@ -77,6 +79,64 @@ def count(self, spider=None, state=None, has_tag=None, lacks_tag=None,
             params['spider'] = self.spider.name
         return next(self._project.jobq.apiget(('count',), params=params))
 
+    def cancel_jobs(self, keys=None, count=None, **params):
+        """Cancel a list of jobs using the keys provided.
+
+        :param keys: (optional) a list of strings containing the job keys in
+            the format: <project>/<spider>/<job_id>.
+        :param count: (optional) it requires admin access. Used for admins
+            to bulk cancel an amount of ``count`` jobs.
+
+        :return: a dict with the amount of jobs cancelled.
+        :rtype: :class:`dict`
+
+        Usage:
+
+        - cancel jobs 123 and 321 from project 111 and spiders 222 and 333::
+
+            >>> project.jobs.cancel_jobs(['111/222/123', '111/333/321'])
+            {'count': 2}
+
+        - cancel 100 jobs asynchronously::
+
+            >>> project.jobs.cancel_jobs(count=100)
+            {'count': 100}
+        """
+        update_kwargs(params, count=count, keys=keys)
+        keys = params.get('keys')
+        count = params.get('count')
+
+        if keys and count:
+            raise ValueError("keys and count can't be defined simultaneously")
+
+        elif not keys and not count:
+            raise ValueError("keys or count should be defined")
+
+        elif keys:
+            if not isinstance(keys, list):
+                raise ValueError("keys should be a list")
+
+            # it raises ValueError if invalid
+            keys = [parse_job_key(k) for k in keys]
+
+            if not all([key.project_id == self.project_id for key in keys]):
+                raise ValueError(
+                    "all keys should belong to project: %s" % self.project_id
+                )
+
+            # change it to the format in which JobQ expects.
+            data = [{"key": str(k)} for k in keys]
+
+            # may raise BadRequest if JobQ doesn't validate
+            return list(self._project.jobq.apipost("cancel",
+                                                   data=json.dumps(data)))[0]
+        elif count:
+            if not isinstance(count, int):
+                raise ValueError("count should be an int")
+
+            # may raise Forbidden
+            return self._project.jobq.apipost("cancel?count=%s" % count)
+
     def iter(self, count=None, start=None, spider=None, state=None,
              has_tag=None, lacks_tag=None, startts=None, endts=None,
              meta=None, **params):

tests/client/cassetes/test_job/test_cancel_jobs.gz

@@ -0,0 +1 @@
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tests/client/cassetes/test_job/test_cancel_jobs_non_existent.gz

@@ -0,0 +1 @@
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

tests/client/test_job.py

@@ -8,6 +8,7 @@
 from scrapinghub.client.logs import Logs
 from scrapinghub.client.requests import Requests
 from scrapinghub.client.samples import Samples
+from scrapinghub.client.exceptions import BadRequest
 
 from ..conftest import TEST_PROJECT_ID
 from ..conftest import TEST_SPIDER_NAME
@@ -44,6 +45,56 @@ def test_job_update_tags(spider):
     assert job2.metadata.get('tags') == ['tag2']
 
 
+def test_cancel_jobs_validation(spider):
+    with pytest.raises(ValueError) as err:
+        spider.jobs.cancel_jobs()
+
+    assert 'keys or count should be defined' in str(err)
+
+    with pytest.raises(ValueError) as err:
+        spider.jobs.cancel_jobs(['2222222/1/1'], count=2)
+
+    assert "keys and count can't be defined simultaneously" in str(err)
+
+    with pytest.raises(ValueError) as err:
+        spider.jobs.cancel_jobs(keys="testing")
+
+    assert 'keys should be a list' in str(err)
+
+    with pytest.raises(ValueError) as err:
+        spider.jobs.cancel_jobs(count=[1,2])
+
+    assert 'count should be an int' in str(err)
+
+    with pytest.raises(ValueError) as err:
+        spider.jobs.cancel_jobs(['2222222/1/1', '2222226/1/1'])
+
+    assert 'all keys should belong to project' in str(err)
+
+
+def test_cancel_jobs(spider):
+    job1 = spider.jobs.run(job_args={'subid': 'tags-1'}, add_tag=['tag1'])
+    job2 = spider.jobs.run(job_args={'subid': 'tags-2'}, add_tag=['tag2'])
+    assert job1.metadata.get('state') == 'pending'
+    assert job2.metadata.get('state') == 'pending'
+
+    output = spider.jobs.cancel_jobs([job1.key, job2.key])
+
+    assert job1.metadata.get('state') == 'finished'
+    assert job2.metadata.get('state') == 'finished'
+    assert output == {'count': 2}
+
+
+def test_cancel_jobs_non_existent(spider):
+    job1 = spider.jobs.run(job_args={'subid': 'tags-1'}, add_tag=['tag1'])
+    assert job1.metadata.get('state') == 'pending'
+
+    # Non-existent job
+    output = spider.jobs.cancel_jobs(['%s/1/10000' % job1.project_id])
+    assert output == {'count': 0}
+    assert job1.metadata.get('state') == 'pending'
+
+
 def test_job_start(spider):
     job = spider.jobs.run()
     assert job.metadata.get('state') == 'pending'