FM / mturk

/usr/lib/python2.6/site-packages/boto/mturk/

/usr/lib/python2.6/site-packages/boto/mturk

Name	Size	Mode	Actions
connection.py	42336	0644	edit dl rm
connection.pyc	38463	0644	edit dl rm
connection.pyo	38335	0644	edit dl rm
layoutparam.py	2045	0644	edit dl rm
layoutparam.pyc	1942	0644	edit dl rm
layoutparam.pyo	1879	0644	edit dl rm
notification.py	4194	0644	edit dl rm
notification.pyc	3619	0644	edit dl rm
notification.pyo	3519	0644	edit dl rm
price.py	1967	0644	edit dl rm
price.pyc	1655	0644	edit dl rm
price.pyo	1655	0644	edit dl rm
qualification.py	6974	0644	edit dl rm
qualification.pyc	8029	0644	edit dl rm
qualification.pyo	7966	0644	edit dl rm
question.py	16126	0644	edit dl rm
question.pyc	24025	0644	edit dl rm
question.pyo	23653	0644	edit dl rm
__init__.py	1108	0644	edit dl rm
__init__.pyc	142	0644	edit dl rm
__init__.pyo	142	0644	edit dl rm

Edit: /usr/lib/python2.6/site-packages/boto/mturk/notification.py (4194B)

# Copyright (c) 2006,2007 Mitch Garnaat http://garnaat.org/
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish, dis-
# tribute, sublicense, and/or sell copies of the Software, and to permit
# persons to whom the Software is furnished to do so, subject to the fol-
# lowing conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.

"""
Provides NotificationMessage and Event classes, with utility methods, for
implementations of the Mechanical Turk Notification API.
"""

import hmac
try:
    from hashlib import sha1 as sha
except ImportError:
    import sha
import base64
import re

class NotificationMessage(object):

NOTIFICATION_WSDL = "http://mechanicalturk.amazonaws.com/AWSMechanicalTurk/2006-05-05/AWSMechanicalTurkRequesterNotification.wsdl"
    NOTIFICATION_VERSION = '2006-05-05'

SERVICE_NAME = "AWSMechanicalTurkRequesterNotification"
    OPERATION_NAME = "Notify"

EVENT_PATTERN = r"Event\.(?P<n>\d+)\.(?P<param>\w+)"
    EVENT_RE = re.compile(EVENT_PATTERN)

def __init__(self, d):
        """
        Constructor; expects parameter d to be a dict of string parameters from a REST transport notification message
        """
        self.signature = d['Signature'] # vH6ZbE0NhkF/hfNyxz2OgmzXYKs=
        self.timestamp = d['Timestamp'] # 2006-05-23T23:22:30Z
        self.version = d['Version'] # 2006-05-05
        assert d['method'] == NotificationMessage.OPERATION_NAME, "Method should be '%s'" % NotificationMessage.OPERATION_NAME

# Build Events
        self.events = []
        events_dict = {}
        if 'Event' in d:
            # TurboGears surprised me by 'doing the right thing' and making { 'Event': { '1': { 'EventType': ... } } } etc.
            events_dict = d['Event']
        else:
            for k in d:
                v = d[k]
                if k.startswith('Event.'):
                    ed = NotificationMessage.EVENT_RE.search(k).groupdict()
                    n = int(ed['n'])
                    param = str(ed['param'])
                    if n not in events_dict:
                        events_dict[n] = {}
                    events_dict[n][param] = v
        for n in events_dict:
            self.events.append(Event(events_dict[n]))

def verify(self, secret_key):
        """
        Verifies the authenticity of a notification message.

TODO: This is doing a form of authentication and
              this functionality should really be merged
              with the pluggable authentication mechanism
              at some point.
        """
        verification_input = NotificationMessage.SERVICE_NAME
        verification_input += NotificationMessage.OPERATION_NAME
        verification_input += self.timestamp
        h = hmac.new(key=secret_key, digestmod=sha)
        h.update(verification_input)
        signature_calc = base64.b64encode(h.digest())
        return self.signature == signature_calc

class Event(object):
    def __init__(self, d):
        self.event_type = d['EventType']
        self.event_time_str = d['EventTime']
        self.hit_type = d['HITTypeId']
        self.hit_id = d['HITId']
        if 'AssignmentId' in d:   # Not present in all event types
            self.assignment_id = d['AssignmentId']

#TODO: build self.event_time datetime from string self.event_time_str

def __repr__(self):
        return "<boto.mturk.notification.Event: %s for HIT # %s>" % (self.event_type, self.hit_id)

cmd: