gitlab bot: major refactoring of code review scan
this moves a bunch of code around and renames a bunch of things, so the diff for it is fairly huge, but it's the same general idea, just organized better. woo.
This commit is contained in:
parent
fca69b1994
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a0f76e4c0f
@ -15,13 +15,16 @@ class GitlabBot(object):
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"""Bot for doing GitLab stuff. Might be used by the IRC bot, or daemons, or whatever."""
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COUNTER_RESET_FORMAT = "Review counter reset."
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COUNTER_START_FORMAT = "Please obtain {0:d} reviews."
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NEW_REVIEWER_FORMAT = "{0:d} of {1:d} reviewed. Assigning to {2:s} to review."
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REVIEWS_DONE_FORMAT = "Reviews conducted. Assigning to {0:s} to approve."
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REVIEWS_START_FORMAT = "Starting review process."
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REVIEWS_RESET_FORMAT = "Review process reset."
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REVIEWS_REVIEW_REGISTERED_FORMAT = "Review identified."
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REVIEWS_PROGRESS_FORMAT = "{0:d} reviews of {1:d} necessary to proceed."
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REVIEWS_REVIEWS_COMPLETE = "Reviews complete."
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NEW_REVIEWER_FORMAT = "Assigning to {0:s} to review merge request."
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NEW_ACCEPTER_FORMAT = "Assigning to {0:s} to accept merge request."
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NOTE_COMMENT = [
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"The computer is your friend.",
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"Thank you for complying.",
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]
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def __init__(self):
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@ -30,66 +33,26 @@ class GitlabBot(object):
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self.client = gitlab.Gitlab(config.url, private_token=config.token)
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self.client.auth()
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def random_counter_reset_message(self):
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return "{0:s} {1:s} {2:s}".format(self.COUNTER_RESET_FORMAT, self.COUNTER_START_FORMAT,
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def random_reviews_start_message(self):
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return "{0:s} {1:s} {2:s}".format(self.REVIEWS_START_FORMAT, self.REVIEWS_PROGRESS_FORMAT,
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random.choice(self.NOTE_COMMENT))
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def random_reviews_reset_message(self):
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return "{0:s} {1:s} {2:s}".format(self.REVIEWS_RESET_FORMAT, self.REVIEWS_PROGRESS_FORMAT,
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random.choice(self.NOTE_COMMENT))
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def random_review_progress_message(self):
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return "{0:s} {1:s} {2:s}".format(self.REVIEWS_REVIEW_REGISTERED_FORMAT, self.REVIEWS_PROGRESS_FORMAT,
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random.choice(self.NOTE_COMMENT))
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def random_reviews_complete_message(self):
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return "{0:s} {1:s}".format(self.REVIEWS_REVIEWS_COMPLETE, random.choice(self.NOTE_COMMENT))
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def random_new_reviewer_message(self):
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return "{0:s} {1:s}".format(self.NEW_REVIEWER_FORMAT, random.choice(self.NOTE_COMMENT))
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def random_reviews_done_message(self):
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return "{0:s} {1:s}".format(self.REVIEWS_DONE_FORMAT, random.choice(self.NOTE_COMMENT))
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def get_code_review_acceptance_count(self, merge_request):
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"""Walk the provided merge request and determine the number of code review signoffs in the comments."""
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if type(merge_request) != gitlab.objects.ProjectMergeRequest:
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raise TypeError("merge_request must be a ProjectMergeRequest object")
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approve_count = 0
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approvers = list()
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reset_found = False
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send_reset = False
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notes = sorted(self.client.project_mergerequest_notes.list(project_id=merge_request.project_id,
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merge_request_id=merge_request.id,
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all=True),
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key=lambda x: x.id)
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for note in notes:
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if not note.system:
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# note that we can't ignore note.system = True + merge_request.author, that might have been
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# a new push or something, so we only ignore normal notes from the author
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if note.author == merge_request.author:
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log.debug("skipping note from the merge request author")
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elif note.author.username == self.client.user.username:
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log.debug("saw a message from myself, maybe i already nagged about the reset")
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if note.body.find(self.COUNTER_RESET_FORMAT) >= 0:
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log.debug("...yup")
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send_reset = False
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else:
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log.debug("...nope")
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else:
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if note.body.find("LGTM") >= 0:
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log.debug("merge request '%s', note '%s' has a LGTM", merge_request.title, note.id)
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approve_count += 1
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if reset_found:
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log.debug("ignoring the previous reset, since we have a counter")
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reset_found = False
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send_reset = False
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approvers.append(note.author.username)
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log.debug("approval count set to %d", approve_count)
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else:
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log.debug("merge request '%s', note '%s' does not have a LGTM", merge_request.title, note.id)
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else:
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log.debug("merge request '%s', note '%s' is a system message", merge_request.title, note.id)
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if re.match(r'Added \d+ commit', note.body):
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log.debug("setting the counter to 0, '%s' looks like a push!", note.body)
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approve_count = 0
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approvers = list()
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reset_found = True
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send_reset = True
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else:
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log.debug("leaving the counter as it is, i don't think '%s' is a push", note.body)
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return approve_count, approvers, send_reset
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return "{0:s} {1:s}".format(self.NEW_ACCEPTER_FORMAT, random.choice(self.NOTE_COMMENT))
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def scan_project_for_reviews(self, project):
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project_obj = self.client.projects.get(project.project_id)
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@ -99,29 +62,124 @@ class GitlabBot(object):
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for merge_request in project_obj.mergerequests.list(state='opened'):
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log.debug("scanning merge request '%s'", merge_request.title)
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# check to see if the merge request needs a reviewer or a merge
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approve_count, approvers, send_reset = self.get_code_review_acceptance_count(merge_request)
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if approve_count < project.code_reviews_necessary:
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# moved this method into here
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# # check to see if the merge request needs a reviewer or a merge
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# approve_count, approvers, send_reset = self.get_code_review_acceptance_count(merge_request)
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request_state = _MergeRequestScanningState()
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notes = sorted(self.client.project_mergerequest_notes.list(project_id=merge_request.project_id,
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merge_request_id=merge_request.id,
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all=True),
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key=lambda x: x.id)
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for note in notes:
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if not note.system:
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log.debug("merge request '%s', note '%s' is a normal message", merge_request.title, note.id)
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# note that we can't ignore note.system = True + merge_request.author, that might have been
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# a new push or something, so we only ignore normal notes from the author
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if note.author == merge_request.author:
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log.debug("skipping note from the merge request author")
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elif note.author.username == self.client.user.username:
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log.debug("saw a message from myself, i might have already sent a notice i'm sitting on")
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if note.body.find(self.REVIEWS_RESET_FORMAT) >= 0 and request_state.unlogged_approval_reset:
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log.debug("saw a reset message, unsetting the flag")
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request_state.unlogged_approval_reset = False
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elif note.body.find(self.REVIEWS_START_FORMAT) >= 0 and request_state.unlogged_review_start:
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log.debug("saw a start message, unsetting the flag")
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request_state.unlogged_review_start = False
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elif note.body.find(self.REVIEWS_REVIEW_REGISTERED_FORMAT) >= 0 and request_state.unlogged_approval:
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log.debug("saw a review log message, unsetting the flag")
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request_state.unlogged_approval = False
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elif note.body.find(self.REVIEWS_REVIEWS_COMPLETE) >= 0 and request_state.unlogged_review_complete:
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log.debug("saw a review complete message, unsetting the flag")
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request_state.unlogged_review_complete = False
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else:
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log.debug("nothing in particular relevant in '%s'", note.body)
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else:
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if note.body.find("LGTM") >= 0:
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log.debug("merge request '%s', note '%s' has a LGTM", merge_request.title, note.id)
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request_state.unlogged_approval = True
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request_state.approver_list.append(note.author.username)
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log.debug("approvers: %s", request_state.approver_list)
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if len(request_state.approver_list) < project.code_reviews_necessary:
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log.debug("not enough code reviews yet, setting needs_reviewer")
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request_state.needs_reviewer = True
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request_state.needs_accepter = False
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else:
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log.debug("enough code reviews, setting needs_accepter")
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request_state.needs_accepter = True
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request_state.needs_reviewer = False
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request_state.unlogged_review_complete = True
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else:
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log.debug("merge request '%s', note '%s' does not have a LGTM", merge_request.title,
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note.id)
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else:
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log.debug("merge request '%s', note '%s' is a system message", merge_request.title, note.id)
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if re.match(r'Added \d+ commit', note.body):
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log.debug("resetting approval list, '%s' looks like a push!", note.body)
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request_state.approver_list.clear()
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request_state.unlogged_approval_reset = True
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else:
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log.debug("leaving the approval list as it is, i don't think '%s' is a push", note.body)
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# do some cleanup
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excluded_review_candidates = request_state.approver_list + [merge_request.author.username]
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review_candidates = [x for x in project.code_reviewers.split(',') if x not in excluded_review_candidates]
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if merge_request.assignee:
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if request_state.needs_reviewer and merge_request.assignee.username in review_candidates:
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log.debug("unsetting the needs_reviewer flag, the request is already assigned to one")
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request_state.needs_reviewer = False
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excluded_accept_candidates = [merge_request.author.username]
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accept_candidates = [x for x in project.code_review_final_merge_assignees.split(',') if x not in excluded_accept_candidates]
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if merge_request.assignee:
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if request_state.needs_accepter and merge_request.assignee.username in accept_candidates:
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log.debug("unsetting the needs_accepter flag, the request is already assigned to one")
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request_state.needs_accepter = False
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log.debug("%s", request_state.__dict__)
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# status message stuff
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if request_state.unlogged_review_start:
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log.info("sending message for start of reviews")
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msg = {'body': self.random_reviews_start_message().format(len(request_state.approver_list),
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project.code_reviews_necessary)}
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self.client.project_mergerequest_notes.create(msg, project_id=project_obj.id,
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merge_request_id=merge_request.id)
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if request_state.unlogged_approval_reset:
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log.info("sending message for review reset")
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msg = {'body': self.random_reviews_reset_message().format(len(request_state.approver_list),
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project.code_reviews_necessary)}
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self.client.project_mergerequest_notes.create(msg, project_id=project_obj.id,
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merge_request_id=merge_request.id)
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if request_state.unlogged_approval:
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log.info("sending message for code review progress")
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msg = {'body': self.random_review_progress_message().format(len(request_state.approver_list),
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project.code_reviews_necessary)}
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self.client.project_mergerequest_notes.create(msg, project_id=project_obj.id,
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merge_request_id=merge_request.id)
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if request_state.unlogged_review_complete:
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log.info("sending message for code review complete")
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msg = {'body': self.random_reviews_complete_message()}
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self.client.project_mergerequest_notes.create(msg, project_id=project_obj.id,
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merge_request_id=merge_request.id)
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# if there's a reviewer necessary, assign the merge request
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if len(request_state.approver_list) < project.code_reviews_necessary and request_state.needs_reviewer:
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log.debug("%s needs a code review", merge_request.title)
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if merge_request.assignee is not None:
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log.debug("%s currently assigned to %s", merge_request.title, merge_request.assignee.username)
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excluded_candidates = approvers + [merge_request.author.username]
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candidates = [x for x in project.code_reviewers.split(',') if x not in excluded_candidates]
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# if the current assignee is in candidates, then we don't need to do anything
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if merge_request.assignee is None or merge_request.assignee.username not in candidates:
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if len(candidates) > 0:
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new_reviewer = random.choice(candidates)
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if merge_request.assignee is None or merge_request.assignee.username not in review_candidates:
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if len(review_candidates) > 0:
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new_reviewer = random.choice(review_candidates)
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log.debug("%s is the new reviewer", new_reviewer)
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# find the user object for the new reviewer
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# get the user object for the new reviewer
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new_reviewer_obj = self.client.users.get_by_username(new_reviewer)
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# create note for the update
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assign_msg = {'body': self.random_new_reviewer_message().format(approve_count,
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project.code_reviews_necessary,
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new_reviewer)}
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self.client.project_mergerequest_notes.create(assign_msg, project_id=project_obj.id,
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msg = {'body': self.random_new_reviewer_message().format(new_reviewer)}
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self.client.project_mergerequest_notes.create(msg, project_id=project_obj.id,
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merge_request_id=merge_request.id)
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# assign the merge request to the new reviewer
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@ -129,38 +187,31 @@ class GitlabBot(object):
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else:
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log.warning("no reviewers left to review %s, doing nothing", merge_request.title)
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else:
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log.info("%s is already assigned to a candidate reviewer", merge_request.title)
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log.debug("needs_reviewer set but the request is assigned to a reviewer, doing nothing")
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# regardless of our decision to assign or not, if we're supposed to send the reset
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# message, we should
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if send_reset:
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log.info("adding reset message to %s", merge_request.title)
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reset_msg = {'body': self.random_counter_reset_message().format(project.code_reviews_necessary)}
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self.client.project_mergerequest_notes.create(reset_msg, project_id=project_obj.id,
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merge_request_id=merge_request.id)
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else:
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log.debug("%s has enough code reviews, it needs someone to merge it", merge_request.title)
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# if there's an accepter necessary, assign the merge request
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if len(request_state.approver_list) >= project.code_reviews_necessary and request_state.needs_accepter:
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log.debug("%s needs an accepter", merge_request.title)
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if merge_request.assignee is not None:
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log.debug("%s currently assigned to %s", merge_request.title, merge_request.assignee.username)
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excluded = [merge_request.author.username]
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candidates = [x for x in project.code_review_final_merge_assignees.split(',') if x not in excluded]
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if merge_request.assignee is None or merge_request.assignee.username not in candidates:
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if len(candidates) > 0:
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new_approver = random.choice(candidates)
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log.debug("%s is the new approver", new_approver)
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# find the user object for the new reviewer
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new_approver_obj = self.client.users.get_by_username(new_approver)
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if merge_request.assignee is None or merge_request.assignee.username not in accept_candidates:
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if len(accept_candidates) > 0:
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new_accepter = random.choice(accept_candidates)
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log.debug("%s is the new accepter", new_accepter)
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# get the user object for the new accepter
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new_accepter_obj = self.client.users.get_by_username(new_accepter)
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# create note for the update
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assign_msg = {'body': self.random_reviews_done_message().format(new_approver)}
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self.client.project_mergerequest_notes.create(assign_msg, project_id=project_obj.id,
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msg = {'body': self.random_reviews_done_message().format(new_accepter)}
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self.client.project_mergerequest_notes.create(msg, project_id=project_obj.id,
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merge_request_id=merge_request.id)
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# assign the merge request to the new reviewer
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self.client.update(merge_request, assignee_id=new_approver_obj.id)
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self.client.update(merge_request, assignee_id=new_accepter_obj.id)
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else:
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log.warning("no approvers left to approve %s, doing nothing", merge_request.title)
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log.warning("no accepters left to accept %s, doing nothing", merge_request.title)
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class _MergeRequestScanningState(object):
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@ -171,7 +222,9 @@ class _MergeRequestScanningState(object):
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"""Set default flags/values."""
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self.approver_list = []
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self.unlogged_review_start = True
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self.unlogged_approval_reset = False
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self.unlogged_approval = False
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self.needs_reviewer = False
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self.unlogged_review_complete = False
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self.needs_reviewer = True
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self.needs_accepter = False
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