예제 #1
0
def process_pull_requests(repository, installation,
                          warn_seconds=None,
                          close_seconds=None):

    now = time.time()

    # Find app name
    bot_name = get_app_name()

    # Get issues labeled as 'Close?'
    repo = RepoHandler(repository, 'master', installation)
    pull_requests = repo.open_pull_requests()

    for n in pull_requests:

        print(f'Checking {n}')

        pr = PullRequestHandler(repository, n, installation)
        if 'keep-open' in pr.labels:
            print('-> PROTECTED by label, skipping')
            continue

        commit_time = pr.last_commit_date
        time_since_last_commit = now - commit_time

        # Note: if warning time is before commit time, it's as if the warning
        # didn't exist since it's no longer relevant.
        warning_time = pr.last_comment_date(f'{bot_name}[bot]', filter_keep=is_close_warning)
        if warning_time is None or warning_time < commit_time:
            time_since_last_warning = -1.
        else:
            # We use max() here to make sure that the value is positive
            time_since_last_warning = max(0, now - warning_time)

        # We only close pull requests if there has been a warning before, and
        # the time since the warning exceeds the threshold specified by
        # close_seconds.

        if time_since_last_warning > close_seconds:
            comment_ids = pr.find_comments(f'{bot_name}[bot]', filter_keep=is_close_epilogue)
            if len(comment_ids) == 0:
                print(f'-> CLOSING pull request {n}')
                pr.set_labels(['closed-by-bot'])
                pr.submit_comment(PULL_REQUESTS_CLOSE_EPILOGUE)
                pr.close()
            else:
                print(f'-> Skipping pull request {n} (already closed)')
        elif time_since_last_commit > warn_seconds:
            # A negative time_since_last_warning means no warning since last commit.
            if time_since_last_warning < 0.:
                print(f'-> WARNING pull request {n}')
                pr.submit_comment(PULL_REQUESTS_CLOSE_WARNING.format(pasttime=naturaldelta(time_since_last_commit),
                                                                     futuretime=naturaldelta(close_seconds)))
            else:
                print(f'-> Skipping pull request {n} (already warned)')
        else:
            print(f'-> OK pull request {n}')

    print('Finished checking for stale pull requests')
예제 #2
0
def process_pull_request(repository, number, installation, is_new=False):

    # TODO: cache handlers and invalidate the internal cache of the handlers on
    # certain events.
    pr_handler = PullRequestHandler(repository, number, installation)

    pr_config = pr_handler.get_config_value("pull_requests", {})
    if not pr_config.get("enabled", False):
        return "Skipping PR checks, disabled in config."

    # Disable if the config is not present
    if pr_config is None:
        return

    # Don't comment on closed PR
    if pr_handler.is_closed:
        return "Pull request already closed, no need to check"

    repo_handler = RepoHandler(pr_handler.head_repo_name,
                               pr_handler.head_branch, installation)

    # First check whether there are labels that indicate the checks should be
    # skipped

    skip_labels = pr_config.get("skip_labels", [])
    skip_fails = pr_config.get("skip_fails", True)

    for label in pr_handler.labels:
        if label in skip_labels:
            if skip_fails:
                pr_handler.set_status(
                    'failure',
                    "Skipping checks due to {0} label".format(label),
                    current_app.bot_username)
            return

    results = {}
    for function in PULL_REQUEST_CHECKS:
        result = function(pr_handler, repo_handler)
        # Ignore skipped checks
        if result is not None:
            results.update(result)

    # Special message for a special day
    not_boring = pr_handler.get_config_value('not_boring', cfg_default=True)
    if not_boring:  # pragma: no cover
        special_msg = ''
        if is_new:  # Always be snarky for new PR
            special_msg = insert_special_message('')
        else:
            import random
            tensided_dice_roll = random.randrange(10)
            if tensided_dice_roll == 9:  # 1 out of 10 for subsequent remarks
                special_msg = insert_special_message('')
        if special_msg:
            pr_handler.submit_comment(special_msg)

    # Post each failure as a status

    existing_statuses = pr_handler.list_statuses()

    for context, details in sorted(results.items()):

        full_context = current_app.bot_username + ':' + context

        # NOTE: we could in principle check if the status has been posted
        # before, and if so not post it again, but we had this in the past
        # and there were some strange caching issues where GitHub would
        # return old status messages, so we avoid doing that.

        pr_handler.set_status(details['state'],
                              details['description'],
                              full_context,
                              target_url=details.get('target_url'))

    # For statuses that have been skipped this time but existed before, set
    # status to pass and set message to say skipped

    for full_context in existing_statuses:

        if full_context.startswith(current_app.bot_username + ':'):
            context = full_context[len(current_app.bot_username) + 1:]
            if context not in results:
                pr_handler.set_status('success', 'This check has been skipped',
                                      current_app.bot_username + ':' + context)

        # Also set the general 'single' status check as a skipped check if it
        # is present
        if full_context == current_app.bot_username:
            pr_handler.set_status('success', 'This check has been skipped',
                                  current_app.bot_username)

    return 'Finished pull requests checks'
예제 #3
0
def process_pull_request(repository,
                         number,
                         installation,
                         action,
                         is_new=False):

    # TODO: cache handlers and invalidate the internal cache of the handlers on
    # certain events.
    pr_handler = PullRequestHandler(repository, number, installation)

    pr_config = pr_handler.get_config_value("pull_requests", {})
    if not pr_config.get("enabled", False):
        msg = "Skipping PR checks, disabled in config."
        logger.debug(msg)
        return msg

    # Don't comment on closed PR
    if pr_handler.is_closed:
        return "Pull request already closed, no need to check"

    repo_handler = RepoHandler(pr_handler.head_repo_name,
                               pr_handler.head_branch, installation)

    # First check whether there are labels that indicate the checks should be
    # skipped

    skip_labels = pr_config.get("skip_labels", [])
    skip_fails = pr_config.get("skip_fails", True)

    for label in pr_handler.labels:
        if label in skip_labels:
            if skip_fails:
                pr_handler.set_check(
                    current_app.bot_username,
                    title="Skipping checks due to {0} label".format(label),
                    name=current_app.bot_username,
                    status='completed',
                    conclusion='failure')
            return

    results = {}
    for function, actions in PULL_REQUEST_CHECKS.items():
        if actions is None or action in actions:
            result = function(pr_handler, repo_handler)
            # Ignore skipped checks
            if result is not None:
                # Map old plugin keys to new checks names.
                # It's possible that the hook returns {}
                for context, check in result.items():
                    if check is not None:
                        title = check.pop('description', None)
                        if title:
                            logger.warning(
                                f"'description' is deprecated as a key in the return value from {function},"
                                " it will be interpreted as 'title'")
                            check['title'] = title
                        check['title'] = check.pop('title', title)
                        conclusion = check.pop('state', None)
                        if conclusion:
                            logger.warning(
                                f"'state' is deprecated as a key in the return value from {function},"
                                "it will be interpreted as 'conclusion'.")
                            check['conclusion'] = conclusion
                        check['conclusion'] = check.pop(
                            'conclusion', conclusion)
                    result[context] = check
                results.update(result)

    # Get existing checks from our app, for the 'head' commit
    existing_checks = pr_handler.list_checks(only_ours=True)
    # For each existing check, see if it needs updating or skipping
    new_results = copy.copy(results)
    for external_id, check in existing_checks.items():
        if external_id in results.keys():
            details = new_results.pop(external_id)
            # Remove skip key.
            details.pop("skip_if_missing", False)
            # Update the previous check with the new check (this includes the check_id to update)
            check.update(details)
            # Send the check to be updated
            pr_handler.set_check(**check)
        else:
            # If check is in existing_checks but not results mark it as skipped.
            check.update({
                'title': 'This check has been skipped.',
                'status': 'completed',
                'conclusion': 'neutral'
            })
            pr_handler.set_check(**check)

    # Any keys left in results are new checks we haven't sent on this commit yet.
    for external_id, details in sorted(new_results.items()):
        skip = details.pop("skip_if_missing", False)
        logger.trace(f"{details} skip is {skip}")
        if not skip:
            pr_handler.set_check(external_id, status="completed", **details)

    # Also set the general 'single' status check as a skipped check if it
    # is present
    if current_app.bot_username in new_results.keys():
        check = new_results[current_app.bot_username]
        check.update({
            'title': 'This check has been skipped.',
            'commit_hash': 'head',
            'status': 'completed',
            'conclusion': 'neutral'
        })
        pr_handler.set_check(**check)

    # Special message for a special day
    not_boring = pr_handler.get_config_value('not_boring', cfg_default=True)
    if not_boring:  # pragma: no cover
        special_msg = ''
        if is_new:  # Always be snarky for new PR
            special_msg = insert_special_message('')
        else:
            import random
            tensided_dice_roll = random.randrange(10)
            if tensided_dice_roll == 9:  # 1 out of 10 for subsequent remarks
                special_msg = insert_special_message('')
        if special_msg:
            pr_handler.submit_comment(special_msg)

    return 'Finished pull requests checks'
예제 #4
0
def process_pull_request(repository, number, installation):

    # TODO: cache handlers and invalidate the internal cache of the handlers on
    # certain events.
    pr_handler = PullRequestHandler(repository, number, installation)

    pr_config = pr_handler.get_config_value("pull_requests", {})
    post_comment = pr_config.get("post_pr_comment", False)
    pull_request_substring = pr_config.get('pull_request_substring', '')

    # Disable if the config is not present
    if pr_config is None:
        return

    # Don't comment on closed PR
    if pr_handler.is_closed:
        return "Pull request already closed, no need to check"

    repo_handler = RepoHandler(pr_handler.head_repo_name,
                               pr_handler.head_branch, installation)

    def is_previous_comment(message):
        if len(pull_request_substring) > 0:
            return pull_request_substring in message
        else:
            return True

    # Find previous comments by this app
    comment_ids = pr_handler.find_comments(f'{current_app.bot_username}[bot]',
                                           filter_keep=is_previous_comment)

    if len(comment_ids) == 0:
        comment_id = None
    else:
        comment_id = comment_ids[-1]

    # First check whether there are labels that indicate the checks should be
    # skipped

    skip_labels = pr_config.get("skip_labels", [])
    skip_fails = pr_config.get("skip_fails", True)

    for label in pr_handler.labels:
        if label in skip_labels:
            skip_message = pr_config.get(
                "skip_message", "Pull request checks have "
                "been skipped as this pull request has been "
                f"labelled as **{label}**")
            skip_message = skip_message.format(pr_handler=pr_handler,
                                               repo_handler=repo_handler)
            pr_handler.submit_comment(skip_message, comment_id=comment_id)
            if skip_fails:
                pr_handler.set_status(
                    'failure',
                    "Skipping checks due to {0} label".format(label),
                    current_app.bot_username)
            return

    results = {}
    for function in PULL_REQUEST_CHECKS:
        result = function(pr_handler, repo_handler)
        results.update(result)

    failures = [
        details['description'] for details in results.values()
        if details['state'] in ('error', 'failure')
    ]

    if post_comment:

        # Post all failures in a comment, and have a single status check

        if failures:

            pull_request_prologue = pr_config.get('fail_prologue', '')
            pull_request_epilogue = pr_config.get('fail_epilogue', '')

            fail_status = pr_config.get('fail_status', 'Failed some checks')

            message = pull_request_prologue.format(pr_handler=pr_handler,
                                                   repo_handler=repo_handler)
            for failure in failures:
                message += f'* {failure}\n'
            message += pull_request_epilogue.format(pr_handler=pr_handler,
                                                    repo_handler=repo_handler)
            comment_url = pr_handler.submit_comment(message,
                                                    comment_id=comment_id,
                                                    return_url=True)

            pr_handler.set_status('failure',
                                  fail_status,
                                  current_app.bot_username,
                                  target_url=comment_url)

        else:

            pass_status = pr_config.get('pass_status', 'Passed all checks')

            all_passed_message = pr_config.get('all_passed_message', '')
            all_passed_message = all_passed_message.format(
                pr_handler=pr_handler, repo_handler=repo_handler)

            if all_passed_message:
                pr_handler.submit_comment(all_passed_message,
                                          comment_id=comment_id)

            pr_handler.set_status('success', pass_status,
                                  current_app.bot_username)

    else:

        # Post each failure as a status

        existing_statuses = pr_handler.list_statuses()

        for context, details in sorted(results.items()):

            full_context = current_app.bot_username + ':' + context

            # Don't post again if status hasn't changed
            if full_context in existing_statuses:
                existing_details = existing_statuses[full_context]
                if (details['state'] == existing_details['state']
                        and details['description']
                        == existing_details['description']
                        and details.get('target_url')
                        == existing_details.get('target_url')):
                    continue

            pr_handler.set_status(details['state'],
                                  details['description'],
                                  full_context,
                                  target_url=details.get('target_url'))

        # For statuses that have been skipped this time but existed before, set
        # status to pass and set message to say skipped

        for full_context in existing_statuses:
            if full_context.startswith(current_app.bot_username + ':'):
                context = full_context[len(current_app.bot_username) + 1:]
                if context not in results:
                    pr_handler.set_status(
                        'success', 'This check has been skipped',
                        current_app.bot_username + ':' + context)

    return 'Finished pull requests checks'