mirror of https://github.com/zulip/zulip.git
338 lines
15 KiB
Python
338 lines
15 KiB
Python
from inspect import signature
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from functools import partial
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from typing import Any, Dict, Optional, List, Callable
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from django.http import HttpRequest, HttpResponse
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from zerver.models import UserProfile
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from zerver.decorator import api_key_only_webhook_view
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from zerver.lib.request import REQ, has_request_variables
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from zerver.lib.response import json_success
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from zerver.lib.webhooks.git import TOPIC_WITH_BRANCH_TEMPLATE, \
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get_push_tag_event_message, get_remove_branch_event_message, \
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get_create_branch_event_message, get_commits_comment_action_message, \
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TOPIC_WITH_PR_OR_ISSUE_INFO_TEMPLATE, get_pull_request_event_message, \
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CONTENT_MESSAGE_TEMPLATE
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from zerver.lib.webhooks.common import check_send_webhook_message, \
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UnexpectedWebhookEventType
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from zerver.webhooks.bitbucket2.view import BITBUCKET_TOPIC_TEMPLATE, \
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BITBUCKET_FORK_BODY, BITBUCKET_REPO_UPDATED_CHANGED
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BRANCH_UPDATED_MESSAGE_TEMPLATE = "{user_name} pushed to branch {branch_name}. Head is now {head}."
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PULL_REQUEST_MARKED_AS_NEEDS_WORK_TEMPLATE = """{user_name} marked [PR #{number}]({url}) \
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as \"needs work\""""
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PULL_REQUEST_MARKED_AS_NEEDS_WORK_TEMPLATE_WITH_TITLE = """{user_name} marked \
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[PR #{number} {title}]({url}) as \"needs work\""""
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PULL_REQUEST_REASSIGNED_TEMPLATE = """{user_name} reassigned [PR #{number}]({url}) \
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to {assignees}"""
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PULL_REQUEST_REASSIGNED_TEMPLATE_WITH_TITLE = """{user_name} reassigned [PR #{number} \
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{title}]({url}) to {assignees}"""
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PULL_REQUEST_REASSIGNED_TO_NONE_TEMPLATE = """{user_name} removed all reviewers from [PR \
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#{number}]({url})"""
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PULL_REQUEST_REASSIGNED_TO_NONE_TEMPLATE_WITH_TITLE = """{user_name} removed all reviewers \
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from [PR #{number} {title}]({url})"""
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PULL_REQUEST_OPENED_OR_MODIFIED_TEMPLATE_WITH_REVIEWERS = """{user_name} {action} [PR #{number}]\
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({url})\nfrom `{source}` to `{destination}` (assigned to {assignees} for review)"""
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PULL_REQUEST_OPENED_OR_MODIFIED_TEMPLATE_WITH_REVIEWERS_WITH_TITLE = """{user_name} {action} \
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[PR #{number} {title}]({url})\nfrom `{source}` to `{destination}` (assigned to {assignees} for \
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review)"""
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def get_user_name(payload: Dict[str, Any]) -> str:
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user_name = "[{name}]({url})".format(name=payload["actor"]["name"],
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url=payload["actor"]["links"]["self"][0]["href"])
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return user_name
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def repo_comment_handler(payload: Dict[str, Any], action: str) -> List[Dict[str, str]]:
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repo_name = payload["repository"]["name"]
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subject = BITBUCKET_TOPIC_TEMPLATE.format(repository_name=repo_name)
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sha = payload["commit"]
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commit_url = payload["repository"]["links"]["self"][0]["href"][:-6] # remove the "browse" at the end
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commit_url += "commits/%s" % (sha,)
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body = get_commits_comment_action_message(
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user_name=get_user_name(payload),
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action=action,
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commit_url=commit_url,
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sha=sha,
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message=payload["comment"]["text"]
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)
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return [{"subject": subject, "body": body}]
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def repo_forked_handler(payload: Dict[str, Any]) -> List[Dict[str, str]]:
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repo_name = payload["repository"]["origin"]["name"]
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subject = BITBUCKET_TOPIC_TEMPLATE.format(repository_name=repo_name)
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body = BITBUCKET_FORK_BODY.format(
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display_name=payload["actor"]["displayName"],
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username=get_user_name(payload),
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fork_name=payload["repository"]["name"],
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fork_url=payload["repository"]["links"]["self"][0]["href"]
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)
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return [{"subject": subject, "body": body}]
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def repo_modified_handler(payload: Dict[str, Any]) -> List[Dict[str, str]]:
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subject_new = BITBUCKET_TOPIC_TEMPLATE.format(repository_name=payload["new"]["name"])
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body = BITBUCKET_REPO_UPDATED_CHANGED.format(
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actor=get_user_name(payload),
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change="name",
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repo_name=payload["old"]["name"],
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old=payload["old"]["name"],
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new=payload["new"]["name"]
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) # As of writing this, the only change we'd be notified about is a name change.
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return [{"subject": subject_new, "body": body}]
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def repo_push_branch_data(payload: Dict[str, Any], change: Dict[str, Any]) -> Dict[str, str]:
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event_type = change["type"]
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repo_name = payload["repository"]["name"]
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user_name = get_user_name(payload)
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branch_name = change["ref"]["displayId"]
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branch_head = change["toHash"]
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if event_type == "ADD":
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body = get_create_branch_event_message(
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user_name=user_name,
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url=None,
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branch_name=branch_name
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)
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elif event_type == "UPDATE":
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body = BRANCH_UPDATED_MESSAGE_TEMPLATE.format(
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user_name=user_name,
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branch_name=branch_name,
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head=branch_head
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)
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elif event_type == "DELETE":
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body = get_remove_branch_event_message(user_name, branch_name)
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else:
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message = "%s.%s" % (payload["eventKey"], event_type) # nocoverage
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raise UnexpectedWebhookEventType("BitBucket Server", message)
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subject = TOPIC_WITH_BRANCH_TEMPLATE.format(repo=repo_name, branch=branch_name)
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return {"subject": subject, "body": body}
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def repo_push_tag_data(payload: Dict[str, Any], change: Dict[str, Any]) -> Dict[str, str]:
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event_type = change["type"]
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repo_name = payload["repository"]["name"]
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tag_name = change["ref"]["displayId"]
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if event_type == "ADD":
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action = "pushed"
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elif event_type == "DELETE":
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action = "removed"
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else:
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message = "%s.%s" % (payload["eventKey"], event_type) # nocoverage
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raise UnexpectedWebhookEventType("BitBucket Server", message)
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subject = BITBUCKET_TOPIC_TEMPLATE.format(repository_name=repo_name)
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body = get_push_tag_event_message(get_user_name(payload), tag_name, action=action)
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return {"subject": subject, "body": body}
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def repo_push_handler(payload: Dict[str, Any], branches: Optional[str]=None
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) -> List[Dict[str, str]]:
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data = []
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for change in payload["changes"]:
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event_target_type = change["ref"]["type"]
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if event_target_type == "BRANCH":
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branch = change["ref"]["displayId"]
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if branches:
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if branch not in branches:
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continue
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data.append(repo_push_branch_data(payload, change))
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elif event_target_type == "TAG":
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data.append(repo_push_tag_data(payload, change))
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else:
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message = "%s.%s" % (payload["eventKey"], event_target_type) # nocoverage
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raise UnexpectedWebhookEventType("BitBucket Server", message)
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return data
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def get_assignees_string(pr: Dict[str, Any]) -> Optional[str]:
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reviewers = []
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for reviewer in pr["reviewers"]:
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name = reviewer["user"]["name"]
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link = reviewer["user"]["links"]["self"][0]["href"]
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reviewers.append("[%s](%s)" % (name, link))
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if len(reviewers) == 0:
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assignees = None
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elif len(reviewers) == 1:
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assignees = reviewers[0]
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else:
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assignees = ", ".join(reviewers[:-1]) + " and " + reviewers[-1]
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return assignees
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def get_pr_subject(repo: str, type: str, id: str, title: str) -> str:
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return TOPIC_WITH_PR_OR_ISSUE_INFO_TEMPLATE.format(repo=repo, type=type, id=id, title=title)
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def get_simple_pr_body(payload: Dict[str, Any], action: str, include_title: Optional[bool]) -> str:
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pr = payload["pullRequest"]
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return get_pull_request_event_message(
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user_name=get_user_name(payload),
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action=action,
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url=pr["links"]["self"][0]["href"],
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number=pr["id"],
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title=pr["title"] if include_title else None
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)
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def get_pr_opened_or_modified_body(payload: Dict[str, Any], action: str,
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include_title: Optional[bool]) -> str:
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pr = payload["pullRequest"]
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description = pr.get("description")
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assignees_string = get_assignees_string(pr)
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if assignees_string:
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# Then use the custom message template for this particular integration so that we can
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# specify the reviewers at the end of the message (but before the description/message).
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parameters = {"user_name": get_user_name(payload),
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"action": action,
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"url": pr["links"]["self"][0]["href"],
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"number": pr["id"],
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"source": pr["fromRef"]["displayId"],
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"destination": pr["toRef"]["displayId"],
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"message": description,
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"assignees": assignees_string,
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"title": pr["title"] if include_title else None}
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if include_title:
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body = PULL_REQUEST_OPENED_OR_MODIFIED_TEMPLATE_WITH_REVIEWERS_WITH_TITLE.format(
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**parameters
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)
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else:
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body = PULL_REQUEST_OPENED_OR_MODIFIED_TEMPLATE_WITH_REVIEWERS.format(**parameters)
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if description:
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body += '\n' + CONTENT_MESSAGE_TEMPLATE.format(message=description)
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return body
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return get_pull_request_event_message(
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user_name=get_user_name(payload),
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action=action,
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url=pr["links"]["self"][0]["href"],
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number=pr["id"],
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target_branch=pr["fromRef"]["displayId"],
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base_branch=pr["toRef"]["displayId"],
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message=pr.get("description"),
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assignee=assignees_string if assignees_string else None,
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title=pr["title"] if include_title else None
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)
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def get_pr_needs_work_body(payload: Dict[str, Any], include_title: Optional[bool]) -> str:
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pr = payload["pullRequest"]
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if not include_title:
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return PULL_REQUEST_MARKED_AS_NEEDS_WORK_TEMPLATE.format(
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user_name=get_user_name(payload),
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number=pr["id"],
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url=pr["links"]["self"][0]["href"]
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)
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return PULL_REQUEST_MARKED_AS_NEEDS_WORK_TEMPLATE_WITH_TITLE.format(
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user_name=get_user_name(payload),
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number=pr["id"],
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url=pr["links"]["self"][0]["href"],
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title=pr["title"]
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)
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def get_pr_reassigned_body(payload: Dict[str, Any], include_title: Optional[bool]) -> str:
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pr = payload["pullRequest"]
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assignees_string = get_assignees_string(pr)
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if not assignees_string:
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if not include_title:
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return PULL_REQUEST_REASSIGNED_TO_NONE_TEMPLATE.format(
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user_name=get_user_name(payload),
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number=pr["id"],
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url=pr["links"]["self"][0]["href"]
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)
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return PULL_REQUEST_REASSIGNED_TO_NONE_TEMPLATE_WITH_TITLE.format(
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user_name=get_user_name(payload),
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number=pr["id"],
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url=pr["links"]["self"][0]["href"],
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title=pr["title"]
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)
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if not include_title:
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return PULL_REQUEST_REASSIGNED_TEMPLATE.format(
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user_name=get_user_name(payload),
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number=pr["id"],
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url=pr["links"]["self"][0]["href"],
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assignees=assignees_string
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)
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return PULL_REQUEST_REASSIGNED_TEMPLATE_WITH_TITLE.format(
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user_name=get_user_name(payload),
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number=pr["id"],
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url=pr["links"]["self"][0]["href"],
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assignees=assignees_string,
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title=pr["title"]
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)
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def pr_handler(payload: Dict[str, Any], action: str,
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include_title: Optional[bool]=False) -> List[Dict[str, str]]:
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pr = payload["pullRequest"]
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subject = get_pr_subject(pr["toRef"]["repository"]["name"], type="PR", id=pr["id"],
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title=pr["title"])
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if action in ["opened", "modified"]:
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body = get_pr_opened_or_modified_body(payload, action, include_title)
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elif action == "needs_work":
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body = get_pr_needs_work_body(payload, include_title)
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elif action == "reviewers_updated":
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body = get_pr_reassigned_body(payload, include_title)
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else:
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body = get_simple_pr_body(payload, action, include_title)
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return [{"subject": subject, "body": body}]
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def pr_comment_handler(payload: Dict[str, Any], action: str,
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include_title: Optional[bool]=False) -> List[Dict[str, str]]:
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pr = payload["pullRequest"]
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subject = get_pr_subject(pr["toRef"]["repository"]["name"], type="PR", id=pr["id"],
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title=pr["title"])
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message = payload["comment"]["text"]
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body = get_pull_request_event_message(
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user_name=get_user_name(payload),
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action=action,
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url=pr["links"]["self"][0]["href"],
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number=pr["id"],
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message=message,
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title=pr["title"] if include_title else None
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)
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return [{"subject": subject, "body": body}]
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EVENT_HANDLER_MAP = {
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"repo:comment:added": partial(repo_comment_handler, action="commented"),
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"repo:comment:edited": partial(repo_comment_handler, action="edited their comment"),
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"repo:comment:deleted": partial(repo_comment_handler, action="deleted their comment"),
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"repo:forked": repo_forked_handler,
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"repo:modified": repo_modified_handler,
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"repo:refs_changed": repo_push_handler,
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"pr:comment:added": partial(pr_comment_handler, action="commented on"),
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"pr:comment:edited": partial(pr_comment_handler, action="edited their comment on"),
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"pr:comment:deleted": partial(pr_comment_handler, action="deleted their comment on"),
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"pr:declined": partial(pr_handler, action="declined"),
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"pr:deleted": partial(pr_handler, action="deleted"),
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"pr:merged": partial(pr_handler, action="merged"),
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"pr:modified": partial(pr_handler, action="modified"),
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"pr:opened": partial(pr_handler, action="opened"),
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"pr:reviewer:approved": partial(pr_handler, action="approved"),
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"pr:reviewer:needs_work": partial(pr_handler, action="needs_work"),
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"pr:reviewer:updated": partial(pr_handler, action="reviewers_updated"),
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"pr:reviewer:unapproved": partial(pr_handler, action="unapproved"),
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} # type Dict[str, Optional[Callable[..., List[Dict[str, str]]]]]
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def get_event_handler(eventkey: str) -> Callable[..., List[Dict[str, str]]]:
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# The main reason for this function existance is because of mypy
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handler = EVENT_HANDLER_MAP.get(eventkey) # type: Any
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if handler is None:
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raise UnexpectedWebhookEventType("BitBucket Server", eventkey)
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return handler
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@api_key_only_webhook_view("Bitbucket3")
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@has_request_variables
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def api_bitbucket3_webhook(request: HttpRequest, user_profile: UserProfile,
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payload: Dict[str, Any]=REQ(argument_type="body"),
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branches: Optional[str]=REQ(default=None),
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user_specified_topic: Optional[str]=REQ("topic", default=None)
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) -> HttpResponse:
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eventkey = payload["eventKey"]
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handler = get_event_handler(eventkey)
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if "branches" in signature(handler).parameters:
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data = handler(payload, branches)
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elif "include_title" in signature(handler).parameters:
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data = handler(payload, include_title=user_specified_topic)
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else:
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data = handler(payload)
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for element in data:
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check_send_webhook_message(request, user_profile, element["subject"],
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element["body"], unquote_url_parameters=True)
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return json_success()
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