How to use _isin method in pandera
Best Python code snippet using pandera_python
trading.py
Source:trading.py 
1# Copyright 2016 Intel Corporation2#3# Licensed under the Apache License, Version 2.0 (the "License");4# you may not use this file except in compliance with the License.5# You may obtain a copy of the License at6#7# http://www.apache.org/licenses/LICENSE-2.08#9# Unless required by applicable law or agreed to in writing, software10# distributed under the License is distributed on an "AS IS" BASIS,11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.12# See the License for the specific language governing permissions and13# limitations under the License.14# ------------------------------------------------------------------------------15import logging16from sawtooth.exceptions import InvalidTransactionError17from sawtooth_bond import bond_utils18from journal.transaction import Update19LOGGER = logging.getLogger(__name__)20class CreateQuoteUpdate(Update):21 def __init__(self, update_type, firm, bid_price, bid_qty, ask_price,22 ask_qty, object_id=None, cusip=None, isin=None, nonce=None):23 super(CreateQuoteUpdate, self).__init__(update_type)24 self._firm = firm25 self._isin = isin26 self._cusip = cusip27 self._bid_price = bid_price28 self._bid_qty = bid_qty29 self._ask_price = ask_price30 self._ask_qty = ask_qty31 self._nonce = nonce32 if object_id is None:33 self._object_id = self.create_id()34 else:35 self._object_id = object_id36 def check_valid(self, store, txn):37 if self._object_id in store:38 raise InvalidTransactionError(39 "Object with id already exists: {}".format(self._object_id))40 try:41 firm = store.lookup('organization:pricing-source', self._firm)42 except KeyError:43 raise InvalidTransactionError(44 "No such pricing source: {}".format(self._firm))45 if self._isin is None and self._cusip is None:46 raise InvalidTransactionError(47 "Cusip or Isin must be set: {}".format(self._object_id))48 if self._isin is not None and self._cusip is None:49 try:50 store.lookup('bond:isin', self._isin)51 except KeyError:52 raise InvalidTransactionError(53 "No such Bond: {}".format(self._firm))54 if self._isin is None and self._cusip is not None:55 try:56 store.lookup('bond:cusip', self._cusip)57 except KeyError:58 raise InvalidTransactionError(59 "No such Bond: {}".format(self._cusip))60 if self._isin is not None and self._cusip is not None:61 try:62 cusip_id = store.lookup('bond:cusip', self._cusip)["object-id"]63 isin_id = store.lookup('bond:isin', self._isin)["object-id"]64 except KeyError:65 raise InvalidTransactionError(66 "No such Bond: {}, {}".format(self._cusip, self._isin))67 if cusip_id != isin_id:68 raise InvalidTransactionError("Cusip {} and Isin {} do not "69 "belong to the same bond"70 .format(cusip_id, isin_id))71 try:72 submitter = store.lookup("participant:key-id", txn.OriginatorID)73 except KeyError:74 raise InvalidTransactionError("Only an authorized marketmaker can"75 " create a quote")76 if "authorization" not in firm:77 raise InvalidTransactionError("Only an authorized marketmaker can"78 " create a quote")79 participant = {"participant-id": submitter["object-id"],80 "role": "marketmaker"}81 if participant not in firm["authorization"]:82 raise InvalidTransactionError("Only an authorized marketmaker can"83 " create a quote")84 try:85 bond_utils.bondprice_to_float(self._bid_price)86 except Exception:87 raise InvalidTransactionError("Bid price is not formatted "88 "correctly for "89 "quote {}".format(self._object_id))90 try:91 bond_utils.bondprice_to_float(self._ask_price)92 except Exception:93 raise InvalidTransactionError("Ask price is not formatted "94 "correctly for "95 "quote {}".format(self._object_id))96 def apply(self, store, txn):97 creator = store.lookup("participant:key-id", txn.OriginatorID)98 time = store.get("current_clock")["timestamp"]99 firm = store.lookup('organization:pricing-source', self._firm)100 obj = {101 'object-id': self._object_id,102 'object-type': 'quote',103 'creator-id': creator["object-id"],104 'firm': self._firm,105 'ref-count': 0,106 'bid-price': self._bid_price,107 'bid-qty': self._bid_qty,108 'ask-price': self._ask_price,109 'ask-qty': self._ask_qty,110 'timestamp': time,111 'status': 'Open'112 }113 if self._isin is not None:114 obj['isin'] = self._isin115 bond = store.lookup('bond:isin', self._isin)116 if self._cusip is not None:117 obj['cusip'] = self._cusip118 bond = store.lookup('bond:cusip', self._cusip)119 store[self._object_id] = obj120 firm["ref-count"] += 1121 store[firm["object-id"]] = firm122 bond["ref-count"] += 1123 store[bond["object-id"]] = bond124 if obj['status'] == 'Open':125 if 'open-quotes' in store:126 oq_obj = store['open-quotes']127 oq_obj['quote-list'].append(self._object_id)128 else:129 oq_obj = {130 'object-id': 'open-quotes',131 'object-type': 'open-quote-list',132 'quote-list': [self._object_id]133 }134 store['open-quotes'] = oq_obj135class DeleteQuoteUpdate(Update):136 def __init__(self, update_type, object_id, nonce=None):137 super(DeleteQuoteUpdate, self).__init__(update_type)138 self._object_id = object_id139 self._nonce = nonce140 def check_valid(self, store, txn):141 if self._object_id not in store:142 raise InvalidTransactionError(143 "Object with id does not exist: {}".format(self._object_id))144 quote = store.get(self._object_id)145 try:146 participant = store.lookup('participant:key-id', txn.OriginatorID)147 except:148 raise InvalidTransactionError("Participant does not exist.")149 if participant["object-id"] != quote["creator-id"]:150 raise InvalidTransactionError(151 "A quote can only be deleted by its creator {}"152 .format(participant["object-id"]))153 if quote["ref-count"] != 0:154 raise InvalidTransactionError(155 "A quote can only be deleted if its ref-count is zero {}"156 .format(quote["ref-count"]))157 def apply(self, store, txn):158 # decrement refcount for bond and organization159 quote = store.get(self._object_id)160 organization = store.lookup("organization:pricing-source",161 quote["firm"])162 organization["ref-count"] -= 1163 store[organization["object-id"]] = organization164 if "isin" in quote:165 bond = store.lookup("bond:isin", quote["isin"])166 elif "cusip" in quote:167 bond = store.lookup("bond:cusip", quote["cusip"])168 bond["ref-count"] -= 1169 store[bond["object-id"]] = bond170 store.delete(self._object_id)171 if 'open-quotes' in store:172 oq_obj = store['open-quotes']173 if self._object_id in oq_obj['quote-list']:174 oq_obj['quote-list'].remove(self._object_id)175 store['open-quotes'] = oq_obj176class CreateOrderUpdate(Update):177 def __init__(self, update_type, action, quantity, order_type,178 firm_id, quote_id=None, isin=None, cusip=None,179 limit_price=None, limit_yield=None, object_id=None,180 nonce=None):181 super(CreateOrderUpdate, self).__init__(update_type)182 self._isin = isin183 self._cusip = cusip184 self._action = action185 self._quantity = quantity186 self._limit_price = limit_price187 self._limit_yield = limit_yield188 self._order_type = order_type189 self._firm_id = firm_id190 self._quote_id = quote_id191 self._nonce = nonce192 if object_id is None:193 self._object_id = self.create_id()194 else:195 self._object_id = object_id196 # set in check_valid for use in apply197 self.__bond__ = None198 self.__organization__ = None199 def check_valid(self, store, txn):200 if self._object_id in store:201 raise InvalidTransactionError(202 "Object with id already exists: {}".format(self._object_id))203 if self._action not in ['Buy', 'Sell']:204 raise InvalidTransactionError(205 "Action must be either Buy or Sell"206 )207 for att in [self._action, self._object_id, self._order_type,208 self._firm_id, self._quantity]:209 if att is None:210 raise InvalidTransactionError("Action, ObjectId, "211 "OrderType, FirmId, and "212 "Quantity are "213 "required.")214 if self._firm_id not in store:215 raise InvalidTransactionError("No organization with FirmId")216 try:217 store.get(self._firm_id, 'organization')218 except KeyError:219 raise InvalidTransactionError(220 "FirmId does not reference an organization")221 try:222 _ = store.lookup("participant:key-id", txn.OriginatorID)223 except KeyError:224 raise InvalidTransactionError("Only participants can create an "225 "order")226 if self._order_type == 'Limit':227 if self._limit_yield is None and self._limit_price is None:228 raise InvalidTransactionError("For Limit orders,"229 "either limit yield or "230 "limit price "231 "must be specified.")232 elif self._order_type == 'Market':233 if self._limit_price is not None or self._limit_yield is not None:234 raise InvalidTransactionError("Cannot set a market order with "235 "limit yield or limit price")236 else:237 raise InvalidTransactionError("OrderType must either be Market "238 "or Limit.")239 if self._limit_price is not None:240 try:241 bond_utils.bondprice_to_float(self._limit_price)242 except Exception:243 raise InvalidTransactionError("Limit price is not formatted "244 "correctly for order "245 "{}".format(self._object_id))246 if self._isin is not None:247 if self._cusip is not None:248 try:249 bond_by_isin = store.lookup('bond:isin', self._isin)250 bond_by_cusip = store.lookup('bond:cusip', self._cusip)251 if bond_by_isin != bond_by_cusip:252 raise InvalidTransactionError("Isin and Cusip "253 "reference "254 "different bonds.")255 self.__bond__ = bond_by_isin256 except KeyError:257 raise InvalidTransactionError("Missing bond with isin or "258 "cusip")259 else:260 try:261 self.__bond__ = store.lookup('bond:isin', self._isin)262 except KeyError:263 raise InvalidTransactionError("Bond with that isin "264 "doesn't exist.")265 else:266 if self._cusip is not None:267 try:268 self.__bond__ = store.lookup('bond:cusip', self._cusip)269 except KeyError:270 raise InvalidTransactionError("Bond with that cusip "271 "doesn't exist.")272 else:273 raise InvalidTransactionError("At least one of isin or cusip "274 "is needed.")275 try:276 self.__organization__ = store.get(self._firm_id, 'organization')277 except KeyError:278 raise InvalidTransactionError("FirmId does not reference an "279 "organization.")280 def apply(self, store, txn):281 creator = store.lookup("participant:key-id", txn.OriginatorID)282 time = store.get("current_clock")["timestamp"]283 obj = {284 'object-id': self._object_id,285 'object-type': 'order',286 'action': self._action,287 'creator-id': creator['object-id'],288 'quantity': self._quantity,289 'order-type': self._order_type,290 'firm-id': self._firm_id,291 'ref-count': 0,292 'status': 'Open',293 'timestamp': time294 }295 if self._isin is not None:296 obj['isin'] = self._isin297 if self._cusip is not None:298 obj['cusip'] = self._cusip299 if self._limit_price is not None:300 obj['limit-price'] = self._limit_price301 if self._limit_yield is not None:302 obj['limit-yield'] = self._limit_yield303 if self._quote_id is not None:304 obj['quote-id'] = self._quote_id305 obj['status'] = 'Matched'306 obj["ref-count"] += 1307 self.__organization__['ref-count'] += 1308 store.set(self.__organization__['object-id'], self.__organization__)309 self.__bond__['ref-count'] += 1310 store.set(self.__bond__['object-id'], self.__bond__)311 store[self._object_id] = obj312 if obj['status'] == 'Open':313 if 'open-orders' in store:314 oo_obj = store['open-orders']315 oo_obj['order-list'].append(self._object_id)316 else:317 oo_obj = {318 'object-id': 'open-orders',319 'object-type': 'open-order-list',320 'order-list': [self._object_id]321 }322 store['open-orders'] = oo_obj323class UpdateOrderUpdate(Update):324 def __init__(self, update_type, object_id, quote_id=None, status=None,325 nonce=None):326 super(UpdateOrderUpdate, self).__init__(update_type)327 self._object_id = object_id328 self._quote_id = quote_id329 self._status = status330 self._nonce = nonce331 def check_valid(self, store, txn):332 if self._object_id not in store:333 raise InvalidTransactionError(334 "Order with object-id doesn't exist: {}".335 format(self._object_id))336 try:337 order_obj = store.get(self._object_id, 'order')338 except KeyError:339 raise InvalidTransactionError(340 "Object id doesn't refer to an order.")341 if self._quote_id is not None:342 if self._quote_id not in store:343 raise InvalidTransactionError(344 "No quote with quote id: {}".format(self._quote_id))345 try:346 quote_obj = store.get(self._quote_id, 'quote')347 except KeyError:348 raise InvalidTransactionError(349 "Quote id does not reference a quote")350 if quote_obj['status'] != 'Open':351 raise InvalidTransactionError(352 "Referenced quote id: {} on order update for order: {} "353 "has been closed".format(self._quote_id, self._object_id))354 try:355 if 'cusip' in quote_obj:356 quote_bond = store.lookup('bond:cusip', quote_obj['cusip'])357 elif 'isin' in quote_obj:358 quote_bond = store.lookup('bond:isin', quote_obj['isin'])359 if 'cusip' in order_obj:360 order_bond = store.lookup('bond:cusip', order_obj['cusip'])361 elif 'isin' in order_obj:362 order_bond = store.lookup('bond:isin', order_obj['isin'])363 except KeyError:364 raise InvalidTransactionError(365 "Referenced order or quote bond does not appear "366 "in store.")367 if quote_bond is None or order_bond is None:368 raise InvalidTransactionError(369 "Could not lookup bond for both quote: {} and "370 "order: {}".format(self._quote_id, self._object_id))371 if quote_bond['object-id'] != order_bond['object-id']:372 raise InvalidTransactionError(373 "Referenced quote id: {} on order update for order: {} "374 "does not match the bond on "375 "the order".format(self._quote_id, self._object_id))376 if order_obj['action'] == 'Buy':377 if quote_obj['ask-qty'] < order_obj['quantity']:378 raise InvalidTransactionError(379 "Quote id: {} does not have sufficient quantity to "380 "satisfy order: {}".format(self._quote_id,381 self._object_id))382 elif order_obj['action'] == 'Sell':383 if quote_obj['bid-qty'] < order_obj['quantity']:384 raise InvalidTransactionError(385 "Quote id: {} does not have sufficient quantity to "386 "satisfy order: {}".format(self._quote_id,387 self._object_id))388 if (self._status is not None and389 self._status not in ['Open', 'Matched', 'Settled']):390 raise InvalidTransactionError(391 "Status must be either Open, Matched, or Settled."392 )393 def apply(self, store, txn):394 order_obj = store.get(self._object_id, 'order')395 if self._status is not None:396 if (order_obj['status'] == 'Open' and397 self._status == "Matched"):398 oo_obj = store['open-orders']399 oo_obj['order-list'].remove(self._object_id)400 store['open-orders'] = oo_obj401 order_obj['status'] = self._status402 if self._quote_id is not None:403 order_obj['quote-id'] = self._quote_id404 quote_obj = store.get(self._quote_id, 'quote')405 if 'ref-count' not in quote_obj:406 quote_obj['ref-count'] = 1407 else:408 quote_obj['ref-count'] += 1409 if order_obj['action'] == 'Buy':410 quote_obj['ask-qty'] -= order_obj['quantity']411 elif order_obj['action'] == 'Sell':412 quote_obj['bid-qty'] -= order_obj['quantity']413 # If there is less than a round lot available in414 # either bid or ask quantity after a match, close415 # the quote.416 if (quote_obj['ask-qty'] < 100000 or417 quote_obj['bid-qty'] < 100000):418 quote_obj['status'] = "Closed"419 oq_obj = store['open-quotes']420 oq_obj['quote-list'].remove(self._quote_id)421 store['open-quotes'] = oq_obj422 store[self._quote_id] = quote_obj423 store[self._object_id] = order_obj424class DeleteOrderUpdate(Update):425 def __init__(self, update_type, object_id, nonce=None):426 super(DeleteOrderUpdate, self).__init__(update_type)427 self._object_id = object_id428 self._nonce = nonce429 def check_valid(self, store, txn):430 if self._object_id not in store:431 raise InvalidTransactionError(432 "Object with id does not exist: {}".format(self._object_id))433 order = store.get(self._object_id)434 try:435 participant = store.lookup('participant:key-id',436 txn.OriginatorID)437 except:438 raise InvalidTransactionError("Participant does not exist.")439 if participant["object-id"] != order["creator-id"]:440 raise InvalidTransactionError(441 "An order can only be deleted by its creator {}"442 .format(participant["object-id"]))443 if order["ref-count"] != 0:444 raise InvalidTransactionError(445 "An order can only be deleted if its ref-count is zero {}"446 .format(order["ref-count"]))447 def apply(self, store, txn):448 order = store.get(self._object_id)449 organization = store.get(order["firm-id"])450 organization["ref-count"] -= 1451 store[organization["object-id"]] = organization452 if "isin" in order:453 bond = store.lookup("bond:isin", order["isin"])454 elif "cusip" in order:455 bond = store.lookup("bond:cusip", order["cusip"])456 bond["ref-count"] -= 1457 store[bond["object-id"]] = bond458 store.delete(self._object_id)459 if 'open-orders' in store:460 oo_obj = store['open-orders']461 if self._object_id in oo_obj['order-list']:462 oo_obj['order-list'].remove(self._object_id)...
euronext.py
Source:euronext.py
1#!/usr/bin/env python2# -*- coding: utf-8 -*-3import os4import sys5import bs46import re7import urllib.request8import json9import operator10import datetime11import time12from carnetOrdres import CarnetOrdres13from histTransaction import HistTransaction14from pymongo import MongoClient15class CrawlerEuronext(CarnetOrdres, HistTransaction):16 def __init__(self):17 CarnetOrdres.__init__(self)18 HistTransaction.__init__(self)19 self.MONGOCLIENT= MongoClient('mongodb://localhost:27017/')20 self.DB= self.MONGOCLIENT["Volatility"]21 22 def crawlAllHist(self):23 collection= self.DB["actions_europeennes"].find({})24 compt=125 for obj in collection:26 _nom = str(obj["Nom"])27 _isin= str(obj["Isin"])28 _mic= str(obj["Mic"])29 print(str(compt)+"- Nom: "+_nom+" , ISIN: "+_isin+"-"+_mic)30 self.findDataHistEuronnext(_nom,_isin,_mic)31 time.sleep(5)32 compt+=133 def getAllAction(self):34 actions= self.DB["actions_europeennes"]35 self.EUROACTIONS= actions.find({},{"_id":0, "Capitaux":0})36 def genUrlHistEuronext(self,_isin, _mic):37 date_time = time.strftime("%d/%m/%Y")38 date_time+=" 02:00:00"39 pattern = "%d/%m/%Y %H:%M:%S"40 date_time="31/05/2017 02:00:00"41 today= int(time.mktime(time.strptime(date_time, pattern)))42 strtoday= str(today)+"000"43 44 url = "https://www.euronext.com/sites/www.euronext.com/modules/common/common_listings/custom/nyx_eu_listings/nyx_eu_listings_price_chart/pricechart/pricechart.php?q=intraday_data"45 url+="&from="+strtoday46 url+="&isin="+str(_isin)47 url+="&mic="+str(_mic)48 url+="&dateFormat=d/m/Y&locale=null"49 50 return url51 def verif_first_use(self, _id):52 collection= self.DB["historiques_transactions"]53 if collection.find({"_id":_id}).count() > 0:54 return -155 else: 56 return 157 def findDataHistEuronnext(self,_nom,_isin,_mic):58 dictionnaire= {}59 historique={}60 ldic=[]61 now = datetime.datetime.now()62 dt_time= now.strftime("%Y-%m-%d %H:%M")63 #dt_time="31/05/2017 02:00:00"64 collection= self.DB["historiques_transactions"]65 idname=str(_nom+"_"+str(_isin)+"-"+str(_mic))66 url = self.genUrlHistEuronext(_isin,_mic)67 #print(url)68 self.setURLHISTTRANSACTION(url)69 self.crawlHistTransEuronext()70 #print("uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu")71 data = self.getDATAHISTTRANSACTION()72 if len(data) > 0:73 74 dt= data["data"]75 dt.sort(key=operator.itemgetter("tradeId"))76 77 for elem in dt:78 dic={}79 dic["TradeId"]=elem["tradeId"]80 dic["DateAndTime"]= elem["dateAndTime"]81 dic["TimeZone"]= elem["timeZone"]82 dic["Price"]= elem["price"]83 dic["NumberOfShares"]= elem["numberOfShares"]84 dic["TRADE_QUALIFIER"]= elem["TRADE_QUALIFIER"]85 ldic.append(dic)86 87 historique[str(dt_time)]=ldic88 first= self.verif_first_use(idname)89 90 if first == 1:91 dictionnaire["_id"]= idname92 dictionnaire["Nom"]=_nom93 dictionnaire["Isin"]=_isin94 dictionnaire["Mic"]=_mic95 dictionnaire["Historiques"]=historique96 #insertion dans la base de donnée97 document={}98 document[str(_nom+"_"+str(_isin)+"-"+str(_mic))]=dictionnaire99 collection.insert(dictionnaire)100 101 else:102 strhist=idname+".Historiques"103 document= collection.update({"_id":idname},\104 {"$set":{"Historiques"+"."+str(dt_time):historique[str(dt_time)]}})105 else:106 print("Error de récupération sur Nom: "+_nom+" , ISIN: "+_isin+"-"+_mic)107 pass108# 22/05109url1="https://www.euronext.com/sites/www.euronext.com/modules/common/common_listings/custom/nyx_eu_listings/nyx_eu_listings_price_chart/pricechart/pricechart.php?q=intraday_data&from=1495411200000&isin=FR0011584549&mic=XPAR&dateFormat=d/m/Y&locale=null"110#precia 19/05111url2="https://www.euronext.com/sites/www.euronext.com/modules/common/common_listings/custom/nyx_eu_listings/nyx_eu_listings_price_chart/pricechart/pricechart.php?q=intraday_data&from=1495152000000&isin=FR0000060832&mic=XPAR&dateFormat=d/m/Y&locale=null"112#precia 18/05113url4="https://www.euronext.com/sites/www.euronext.com/modules/common/common_listings/custom/nyx_eu_listings/nyx_eu_listings_price_chart/pricechart/pricechart.php?q=intraday_data&from=1000&isin=FR0000060832&mic=XPAR&dateFormat=d/m/Y&locale=null"114crawl = CrawlerEuronext()...
isin.py
Source:isin.py
1"""2The ISIN class provides all the functionality required to work with ISIN3codes at a basic level.4Reference on the format of valid ISINs:5 https://www.isin.org/isin-format/6"""7from pyasx.helpers.luhn import Luhn8class ISIN(object):9 """10 Represents an ISIN code.11 An ISIN code is an International Securities Identification Number.12 It is used to identify a financial Security.13 The structure of an ISIN is made up of three components:14 1. An ISO 3166-1 alpha-2 two character code for the issuing country15 2. A nine-character alphanumeric security identifier16 3. A single check digit.17 Further Information:18 https://en.wikipedia.org/wiki/International_Securities_Identification_Number19 """20 def __init__(self, *, isin: str = None):21 """22 Args:23 isin (str): An ISIN code.24 Raises:25 ValueError: On ISIN inputs that are not 12 characters long.26 """27 self._isin: str = isin28 self._security_identifier: str = self._parse_security_identifier()29 self._country_code: str = self._parse_country()30 self._check_digit: str = self._parse_check_digit()31 isin_length = len(isin)32 if isin_length != 12:33 raise ValueError(f'ISIN codes must always be 12 characters, not {isin_length}')34 def __str__(self):35 return f'ISIN={self._isin}'36 def __repr__(self):37 # automatically get name to minimise refactor touch points38 return f'{self.__class__.__name__}(isin={self._isin})'39 @property40 def country_code(self) -> str:41 return self._country_code42 @property43 def check_digit(self) -> str:44 return self._check_digit45 @property46 def security_identifier(self) -> str:47 return self._security_identifier48 def _parse_country(self) -> str:49 """50 As per the ISIN format documentation listed in the module docstring,51 the 2-letter country code will always be found in the first two chars52 of the ISIN code.53 https://www.isin.org/country-codes/54 Returns:55 str: The 2-letter country code of the ISIN56 """57 country_code: str = self._isin[0:2]58 assert country_code.isalpha()59 return country_code60 def _parse_check_digit(self) -> str:61 """62 The check_digit is used for validation via the Luhn algorithm.63 https://en.wikipedia.org/wiki/Luhn_algorithm64 Returns:65 str: the check_digit66 """67 check_digit: str = self._isin[-1]68 assert check_digit.isnumeric()69 return check_digit70 def _parse_security_identifier(self) -> str:71 security_identifier: str = self._isin[2:11]72 assert security_identifier.isalnum()73 return security_identifier74 def validate(self) -> bool:75 """76 Execute the Luhn algorithm and verify the validity of the ISIN.77 Returns:78 bool: Whether the ISIN is a valid Luhn checksum or not.79 """80 luhn_checksum: str = Luhn.transpose_isin_to_luhn_checksum(isin=self._isin)81 luhn: Luhn = Luhn(checksum=luhn_checksum)...
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