File size: 7,771 Bytes
ae4627d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 |
from fedex.config import FedexConfig
from fedex.base_service import FedexError
from fedex.services.track_service import FedexTrackRequest, FedexInvalidTrackingNumber
from ..data import TrackingInfo
from ..service import BaseInterface, TrackFailed, InvalidTrackingNumber
class FedexInterface(BaseInterface):
def identify(self, num):
return num.isdigit() and (len(num) in (12, 15, 20, 22))
def track(self, tracking_number):
if not self.validate(tracking_number):
raise InvalidTrackingNumber()
track = FedexTrackRequest(self._get_cfg())
track.TrackPackageIdentifier.Type = 'TRACKING_NUMBER_OR_DOORTAG'
track.TrackPackageIdentifier.Value = tracking_number
track.IncludeDetailedScans = True
# Fires off the request, sets the 'response' attribute on the object.
try:
track.send_request()
except FedexInvalidTrackingNumber as e:
raise InvalidTrackingNumber(e)
except FedexError as e:
raise TrackFailed(e)
# TODO: I haven't actually seen an unsuccessful query yet
if track.response.HighestSeverity != "SUCCESS":
raise TrackFailed("%d: %s" % (
track.response.Notifications[0].Code,
track.response.Notifications[0].LocalizedMessage
))
return self._parse_response(track.response.TrackDetails[0], tracking_number)
def url(self, tracking_number):
return ('http://www.fedex.com/Tracking?tracknumbers=%s' % tracking_number)
def _parse_response(self, rsp, tracking_number):
"""Parse the track response and return a TrackingInfo object"""
# test status code, return actual delivery time if package
# was delivered, otherwise estimated target time
if rsp.StatusCode == 'DL':
delivery_date = rsp.ActualDeliveryTimestamp
# this may not be present
try:
delivery_detail = rsp.Events[0].StatusExceptionDescription
except AttributeError:
delivery_detail = None
last_update = delivery_date
location = ','.join((
rsp.ActualDeliveryAddress.City,
rsp.ActualDeliveryAddress.StateOrProvinceCode,
rsp.ActualDeliveryAddress.CountryCode,
))
else:
delivery_detail = None
try:
delivery_date = rsp.EstimatedDeliveryTimestamp
except AttributeError:
delivery_date = None
last_update = rsp.Events[0].Timestamp
location = self._getTrackingLocation(rsp.Events[0])
# a new tracking info object
trackinfo = TrackingInfo(
tracking_number = tracking_number,
last_update = last_update,
status = rsp.StatusDescription,
location = location,
delivery_date = delivery_date,
delivery_detail = delivery_detail,
service = rsp.ServiceType,
)
# now add the events
for e in rsp.Events:
trackinfo.addEvent(
location = self._getTrackingLocation(e),
date = e.Timestamp,
detail = e.EventDescription,
)
return trackinfo
def _getTrackingLocation(self, e):
"""Returns a nicely formatted location for a given event"""
try:
return ','.join((
e.Address.City,
e.Address.StateOrProvinceCode,
e.Address.CountryCode,
))
except:
return None
def _get_cfg(self):
"""Makes and returns a FedexConfig object from the packagetrack
configuration. Caches it, so it doesn't create each time."""
# got one cached, so just return it
if self.cfg:
return self.cfg
self.cfg = FedexConfig(
key = self.config.get('FedEx', 'key'),
password = self.config.get('FedEx', 'password'),
account_number = self.config.get('FedEx', 'account_number'),
meter_number = self.config.get('FedEx', 'meter_number'),
use_test_server = False,
express_region_code = 'US',
)
# these are optional, and afaik, not really used for tracking
# at all, but you can still set them, so....
if self.config.has_option('FedEx', 'express_region_code'):
self.cfg.express_region_code = self.config.get('FedEx', 'express_region_code')
if self.config.has_option('FedEx', 'integrator_id'):
self.cfg.integrator_id = self.config.get('FedEx', 'integrator_id')
if self.testing or self.config.has_option('FedEx', 'use_test_server'):
self.cfg.use_test_server = self.config.getboolean('FedEx', 'use_test_server')
return self.cfg
def validate(self, tnum):
"""Validate the tracking number"""
if len(tnum) == 12:
return self._validate_express(tnum)
elif (len(tnum) == 15):
return self._validate_ground96(tnum)
elif (len(tnum) == 22) and tnum.startswith('96'):
return self._validate_ground96(tnum)
elif (len(tnum) == 20) and tnum.startswith('00'):
return self._validate_ssc18(tnum)
return False
def _validate_ground96(self, tracking_number):
"""Validates ground code 128 ("96") bar codes
15-digit form:
019343586678996
shipper ID: -------
package ID: -------
checksum: -
22-digit form:
9611020019343586678996
UCC/EAN id: --
SCNC: --
class of svc: --
shipper ID: -------
package ID: -------
checksum: -
"""
rev = tracking_number[::-1]
eventotal = 0
oddtotal = 0
for i in range(1, 15):
if i % 2:
eventotal += int(rev[i])
else:
oddtotal += int(rev[i])
check = 10 - ((eventotal * 3 + oddtotal) % 10)
# compare with the checksum digit, which is the last digit
return check == int(tracking_number[-1:])
def _validate_ssc18(self, tracking_number):
"""Validates SSC18 tracking numbers"""
rev = tracking_number[::-1]
eventotal = 0
oddtotal = 0
for i in range(1, 19):
if i % 2:
eventotal += int(rev[i])
else:
oddtotal += int(rev[i])
check = 10 - ((eventotal * 3 + oddtotal) % 10)
# compare with the checksum digit, which is the last digit
return check == int(tracking_number[-1:])
def _validate_express(self, tracking_number):
"""Validates Express tracking numbers"""
basenum = tracking_number[0:10]
sums = []
mult = 1
total = 0
for digit in basenum[::-1]:
sums.append(int(digit) * mult)
total = total + (int(digit) * mult)
if mult == 1:
mult = 3
if mult == 3:
mult = 7
if mult == 7:
mult = 1
check = total % 11
if check == 10:
check = 0
# compare with the checksum digit, which is the last digit
return check == int(tracking_number[-1:])
|