1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
# Copyright 2010 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
__metaclass__ = object
from lazr.delegates import delegates
import simplejson
from sqlobject import SQLObjectNotFound
from storm.expr import And
from storm.locals import (
Int,
Reference,
Unicode,
)
from zope.component import getUtility
from zope.interface import (
classProvides,
implements,
)
from canonical.database.enumcol import EnumCol
from canonical.launchpad.webapp.interfaces import (
DEFAULT_FLAVOR,
IStoreSelector,
MAIN_STORE,
MASTER_FLAVOR,
)
from lp.services.database.stormbase import StormBase
from lp.services.job.model.job import Job
from lp.services.job.runner import BaseRunnableJob
from lp.soyuz.enums import ArchiveJobType
from lp.soyuz.interfaces.archivejob import (
IArchiveJob,
IArchiveJobSource,
)
from lp.soyuz.model.archive import Archive
class ArchiveJob(StormBase):
"""Base class for jobs related to Archives."""
implements(IArchiveJob)
__storm_table__ = 'archivejob'
id = Int(primary=True)
job_id = Int(name='job')
job = Reference(job_id, Job.id)
archive_id = Int(name='archive')
archive = Reference(archive_id, Archive.id)
job_type = EnumCol(enum=ArchiveJobType, notNull=True)
_json_data = Unicode('json_data')
@property
def metadata(self):
return simplejson.loads(self._json_data)
def __init__(self, archive, job_type, metadata):
"""Create an ArchiveJob.
:param archive: the archive this job relates to.
:param job_type: the bugjobtype of this job.
:param metadata: the type-specific variables, as a json-compatible
dict.
"""
super(ArchiveJob, self).__init__()
json_data = simplejson.dumps(metadata)
self.job = Job()
self.archive = archive
self.job_type = job_type
# XXX AaronBentley 2009-01-29 bug=322819: This should be a bytestring,
# but the db representation is unicode.
self._json_data = json_data.decode('utf-8')
@classmethod
def get(cls, key):
"""Return the instance of this class whose key is supplied."""
store = getUtility(IStoreSelector).get(MAIN_STORE, DEFAULT_FLAVOR)
instance = store.get(cls, key)
if instance is None:
raise SQLObjectNotFound(
'No occurence of %s has key %s' % (cls.__name__, key))
return instance
class ArchiveJobDerived(BaseRunnableJob):
"""Intermediate class for deriving from ArchiveJob."""
delegates(IArchiveJob)
classProvides(IArchiveJobSource)
def __init__(self, job):
self.context = job
@classmethod
def create(cls, archive, metadata=None):
"""See `IArchiveJob`."""
if metadata is None:
metadata = {}
job = ArchiveJob(archive, cls.class_job_type, metadata)
return cls(job)
@classmethod
def get(cls, job_id):
"""Get a job by id.
:return: the ArchiveJob with the specified id, as the current
BugJobDerived subclass.
:raises: SQLObjectNotFound if there is no job with the specified id,
or its job_type does not match the desired subclass.
"""
job = ArchiveJob.get(job_id)
if job.job_type != cls.class_job_type:
raise SQLObjectNotFound(
'No object found with id %d and type %s' % (job_id,
cls.class_job_type.title))
return cls(job)
@classmethod
def iterReady(cls):
"""Iterate through all ready BugJobs."""
store = getUtility(IStoreSelector).get(MAIN_STORE, MASTER_FLAVOR)
jobs = store.find(
ArchiveJob,
And(ArchiveJob.job_type == cls.class_job_type,
ArchiveJob.job == Job.id,
Job.id.is_in(Job.ready_jobs),
ArchiveJob.archive == Archive.id))
return (cls(job) for job in jobs)
def getOopsVars(self):
"""See `IRunnableJob`."""
vars = BaseRunnableJob.getOopsVars(self)
vars.extend([
('archive_id', self.context.archive.id),
('archive_job_id', self.context.id),
('archive_job_type', self.context.job_type.title),
])
return vars
|