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#!/usr/bin/python2.5
# Copyright (C) 2007 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import absolute_import
from .gtfsobjectbase import GtfsObjectBase
from .problems import default_problem_reporter
from . import util
class FareAttribute(GtfsObjectBase):
"""Represents a fare type."""
_REQUIRED_FIELD_NAMES = ['fare_id', 'price', 'currency_type',
'payment_method', 'transfers']
_FIELD_NAMES = _REQUIRED_FIELD_NAMES + ['agency_id','transfer_duration']
_TABLE_NAME = "fare_attributes"
def __init__(self,
fare_id=None, price=None, currency_type=None,
payment_method=None, transfers=None, transfer_duration=None,
field_dict=None):
self._schedule = None
(self.fare_id, self.price, self.currency_type, self.payment_method,
self.transfers, self.transfer_duration) = \
(fare_id, price, currency_type, payment_method,
transfers, transfer_duration)
if field_dict:
if isinstance(field_dict, FareAttribute):
# Special case so that we don't need to re-parse the attributes to
# native types iteritems returns all attributes that don't start with _
for k, v in field_dict.iteritems():
self.__dict__[k] = v
else:
self.__dict__.update(field_dict)
self.rules = []
try:
self.price = float(self.price)
except (TypeError, ValueError):
pass
try:
self.payment_method = int(self.payment_method)
except (TypeError, ValueError):
pass
if self.transfers == None or self.transfers == "":
self.transfers = None
else:
try:
self.transfers = int(self.transfers)
except (TypeError, ValueError):
pass
if self.transfer_duration == None or self.transfer_duration == "":
self.transfer_duration = None
else:
try:
self.transfer_duration = int(self.transfer_duration)
except (TypeError, ValueError):
pass
def GetFareRuleList(self):
return self.rules
def ClearFareRules(self):
self.rules = []
def GetFieldValuesTuple(self):
return [getattr(self, fn) for fn in self._FIELD_NAMES]
def __getitem__(self, name):
return getattr(self, name)
def __eq__(self, other):
if not other:
return False
if id(self) == id(other):
return True
if self.GetFieldValuesTuple() != other.GetFieldValuesTuple():
return False
self_rules = [r.GetFieldValuesTuple() for r in self.GetFareRuleList()]
self_rules.sort()
other_rules = [r.GetFieldValuesTuple() for r in other.GetFareRuleList()]
other_rules.sort()
return self_rules == other_rules
def __ne__(self, other):
return not self.__eq__(other)
def ValidateFareId(self, problems):
if util.IsEmpty(self.fare_id):
problems.MissingValue("fare_id")
def ValidatePrice(self, problems):
if self.price == None:
problems.MissingValue("price")
elif not isinstance(self.price, float) and not isinstance(self.price, int):
problems.InvalidValue("price", self.price)
elif self.price < 0:
problems.InvalidValue("price", self.price)
def ValidateCurrencyType(self, problems):
if util.IsEmpty(self.currency_type):
problems.MissingValue("currency_type")
elif self.currency_type not in util.ISO4217.codes:
problems.InvalidValue("currency_type", self.currency_type)
def ValidatePaymentMethod(self, problems):
if self.payment_method == "" or self.payment_method == None:
problems.MissingValue("payment_method")
elif (not isinstance(self.payment_method, int) or
self.payment_method not in range(0, 2)):
problems.InvalidValue("payment_method", self.payment_method)
def ValidateTransfers(self, problems):
if not ((self.transfers == None) or
(isinstance(self.transfers, int) and
self.transfers in range(0, 3))):
problems.InvalidValue("transfers", self.transfers)
def ValidateTransferDuration(self, problems):
if ((self.transfer_duration != None) and
not isinstance(self.transfer_duration, int)):
problems.InvalidValue("transfer_duration", self.transfer_duration)
if self.transfer_duration and (self.transfer_duration < 0):
problems.InvalidValue("transfer_duration", self.transfer_duration)
def Validate(self, problems=default_problem_reporter):
self.ValidateFareId(problems)
self.ValidatePrice(problems)
self.ValidateCurrencyType(problems)
self.ValidatePaymentMethod(problems)
self.ValidateTransfers(problems)
self.ValidateTransferDuration(problems)
def ValidateBeforeAdd(self, problems):
return True
def ValidateAfterAdd(self, problems):
return
def AddToSchedule(self, schedule=None, problems=None):
if schedule:
schedule.AddFareAttributeObject(self, problems)
self._schedule = schedule
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