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# coding=utf-8
"""
PayPal response parsing of list syntax.
"""
import logging
import re
from paypal.response import PayPalResponse
from paypal.exceptions import PayPalAPIResponseError
logger = logging.getLogger('paypal.response')
class PayPalResponseList(PayPalResponse):
"""
Subclass of PayPalResponse, parses L_style list items and
stores them in a dictionary keyed by numeric index.
NOTE: Don't access self.raw directly. Just do something like
PayPalResponse.someattr, going through PayPalResponse.__getattr__().
"""
skippable_error_codes = [
'ERRORCODE', 'SHORTMESSAGE', 'LONGMESSAGE', 'SEVERITYCODE']
def __init__(self, raw, config):
self.raw = raw
self.config = config
l_regex = re.compile("L_([a-zA-Z]+)([0-9]{0,2})")
# name-value pair list syntax documented at
# https://developer.paypal.com/docs/classic/api/NVPAPIOverview/#id084E30EC030
# api returns max 100 items, so only two digits required
self.list_items_dict = {}
for key in self.raw.keys():
match = l_regex.match(key)
if match:
index = match.group(2)
d_key = match.group(1)
if isinstance(self.raw[key], list) and len(self.raw[key]) == 1:
d_val = self.raw[key][0]
else:
d_val = self.raw[key]
# Skip error codes
if d_key in self.skippable_error_codes:
continue
if index in self.list_items_dict:
# Dict for index exists, update
self.list_items_dict[index][d_key] = d_val
else:
# Create new dict
self.list_items_dict[index] = {d_key: d_val}
# Log ResponseErrors from warning keys
if self.raw['ACK'][0].upper() == self.config.ACK_SUCCESS_WITH_WARNING:
self.errors = [PayPalAPIResponseError(self)]
logger.error(self.errors)
def items(self):
# Convert dict like {'1':{},'2':{}, ...} to list
return list(self.list_items_dict.values())
def iteritems(self):
for key in self.list_items_dict.keys():
yield (key, self.list_items_dict[key])
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