returnServiceAttachments

#-------------------------------------------------------------------------------
# Name:        Return attachment URLs for a feature service
# Purpose:     Iterates through features in a feature service and pulls all attachments IDs
#
# Author:      Kara Manseau
#
# Created:     16/04/2014
#-------------------------------------------------------------------------------
import requests

def generateToken(username, password):
    '''Generate a token using the requests module for the input
    username and password'''

    url = "https://arcgis.com/sharing/generateToken"
    data = {'username': username,
        'password': password,
        'client' : 'referer',
        'referer' : 'https://arcgis.com',
        'expiration' : 1209600,
        'f': 'json'}

    request = requests.post(url, data=data, verify=False)
    return request.json()['token']

def queryService(serviceURL, token):
    url = serviceURL + "/query?"
    data = {'where' : "1=1",
        'geometryType' : 'esriGeometryEnvelope',
        'spatialRel' : 'esriSpatialRelIntersects',
        'units' : 'esriSRUnit_Meter',
        'returnGeometry' : 'false',
        'returnIdsOnly' : 'true',
        'returnCountOnly' : 'false',
        'returnExtentOnly' : 'false',
        'returnZ' : 'false',
        'returM' : 'false',
        'f' : 'json',
        'token': token}

    request = requests.post(url, data=data, verify=False)
    return request.json()

def queryAttachments(featureNum, token):
    url = serviceURL + "/" + str(featureNum) + "/attachments?"
    data = {'f' : 'json',
        'token' : token}

    request = requests.post(url, data=data, verify=False)
    return request.json()

if __name__ == '__main__':

    username = raw_input("Please enter your username: ")
    password = raw_input("Please enter your password: ")
    token = generateToken(username, password)

    print(token)

    serviceURL = ''
    query =  queryService(serviceURL, token)
    print(query)

    sort = sorted(query['objectIds'])
    '''You may need to change the name of this field depending on your service'''
    for num in sort:
        print "Feature number: "+ str(num)
        attachments = queryAttachments(num, token)
        for attachmentid in attachments['attachmentInfos']:
            final = serviceURL + "/" + str(num) + "/attachments/" + str(attachmentid['id'])
            print(final + ",")