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""" Gerrit event classes. """
from pygerrit.error import GerritError
from pygerrit.models import Account, Approval, Change, Patchset, RefUpdate
class GerritEventFactory(object):
""" Gerrit event factory. """
_events = {}
@classmethod
def register(cls, name):
""" Decorator to register the event identified by `name`.
Raise GerritError if the event is already registered.
"""
def decorate(klazz):
if name in cls._events:
raise GerritError("Duplicate event: %s" % name)
cls._events[name] = klazz.__name__
return klazz
return decorate
@classmethod
def create(cls, json_data):
""" Create a new event instance.
Return an instance of the `GerritEvent` subclass from `json_data`
Raise GerritError if `json_data` does not contain a `type` key, or
no corresponding event is registered.
"""
if not "type" in json_data:
raise GerritError("`type` not in json_data")
name = json_data["type"]
if not name in cls._events:
raise GerritError("Unknown event: %s" % name)
classname = cls._events[name]
return globals()[classname](json_data)
class GerritEvent(object):
""" Gerrit event base class. """
def __init__(self):
pass
@GerritEventFactory.register("patchset-created")
class PatchsetCreatedEvent(GerritEvent):
""" Gerrit "patchset-created" event. """
def __init__(self, json_data):
super(PatchsetCreatedEvent, self).__init__()
try:
self.change = Change(json_data["change"])
self.patchset = Patchset(json_data["patchSet"])
self.uploader = Account(json_data["uploader"])
except KeyError, e:
raise GerritError("PatchsetCreatedEvent: %s" % e)
@GerritEventFactory.register("draft-published")
class DraftPublishedEvent(GerritEvent):
""" Gerrit "draft-published" event. """
def __init__(self, json_data):
super(DraftPublishedEvent, self).__init__()
try:
self.change = Change(json_data["change"])
self.patchset = Patchset(json_data["patchSet"])
self.uploader = Account(json_data["uploader"])
except KeyError, e:
raise GerritError("DraftPublishedEvent: %s" % e)
@GerritEventFactory.register("comment-added")
class CommentAddedEvent(GerritEvent):
""" Gerrit "comment-added" event. """
def __init__(self, json_data):
super(CommentAddedEvent, self).__init__()
try:
self.change = Change(json_data["change"])
self.patchset = Patchset(json_data["patchSet"])
self.author = Account(json_data["author"])
self.approvals = []
if "approvals" in json_data:
for approval in json_data["approvals"]:
self.approvals.append(Approval(approval))
self.comment = json_data["comment"]
except ValueError, e:
raise GerritError("CommentAddedEvent: %s" % e)
@GerritEventFactory.register("change-merged")
class ChangeMergedEvent(GerritEvent):
""" Gerrit "change-merged" event. """
def __init__(self, json_data):
super(ChangeMergedEvent, self).__init__()
try:
self.change = Change(json_data["change"])
self.patchset = Patchset(json_data["patchSet"])
self.submitter = Account(json_data["submitter"])
except KeyError, e:
raise GerritError("ChangeMergedEvent: %s" % e)
@GerritEventFactory.register("change-abandoned")
class ChangeAbandonedEvent(GerritEvent):
""" Gerrit "change-abandoned" event. """
def __init__(self, json_data):
super(ChangeAbandonedEvent, self).__init__()
try:
self.change = Change(json_data["change"])
self.patchset = Patchset.from_json(json_data)
self.abandoner = Account(json_data["abandoner"])
self.reason = json_data["reason"]
except KeyError, e:
raise GerritError("ChangeAbandonedEvent: %s" % e)
@GerritEventFactory.register("change-restored")
class ChangeRestoredEvent(GerritEvent):
""" Gerrit "change-restored" event. """
def __init__(self, json_data):
super(ChangeRestoredEvent, self).__init__()
try:
self.change = Change(json_data["change"])
self.patchset = Patchset.from_json(json_data)
self.restorer = Account(json_data["restorer"])
self.reason = json_data["reason"]
except KeyError, e:
raise GerritError("ChangeRestoredEvent: %s" % e)
@GerritEventFactory.register("ref-updated")
class RefUpdatedEvent(GerritEvent):
""" Gerrit "ref-updated" event. """
def __init__(self, json_data):
super(RefUpdatedEvent, self).__init__()
try:
self.ref_update = RefUpdate(json_data["refUpdate"])
self.submitter = Account.from_json(json_data, "submitter")
except KeyError, e:
raise GerritError("RefUpdatedEvent: %s" % e)
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