~fginther/jenkins-launchpad-plugin/wait-for-node

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import sys
import time
from launchpadlib.credentials import RequestTokenAuthorizationEngine
from lazr.restfulclient.errors import HTTPError


ACCESS_TOKEN_POLL_TIME = 1
WAITING_FOR_USER = """Open this link:
{}
to authorize this program to access Launchpad on your behalf.
Waiting to hear from Launchpad about your decision. . . ."""


class AuthorizeRequestTokenWithConsole(RequestTokenAuthorizationEngine):
    """Authorize a token in a server environment (with no browser).

    Print a link for the user to copy-and-paste into his/her browser
    for authentication.
    """

    def __init__(self, *args, **kwargs):
        # as implemented in AuthorizeRequestTokenWithBrowser
        kwargs['consumer_name'] = None
        kwargs.pop('allow_access_levels', None)
        super(AuthorizeRequestTokenWithConsole, self).__init__(*args, **kwargs)

    def make_end_user_authorize_token(self, credentials, request_token):
        """Ask the end-user to authorize the token in their browser.

        """
        authorization_url = self.authorization_url(request_token)
        print WAITING_FOR_USER.format(authorization_url)
        # if we don't flush we may not see the message
        sys.stdout.flush()
        while credentials.access_token is None:
            time.sleep(ACCESS_TOKEN_POLL_TIME)
            try:
                credentials.exchange_request_token_for_access_token(
                                                                self.web_root)
                break
            except HTTPError, e:
                if e.response.status == 403:
                    # The user decided not to authorize this
                    # application.
                    raise e
                elif e.response.status == 401:
                    # The user has not made a decision yet.
                    pass
                else:
                    # There was an error accessing the server.
                    raise e