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currency.py
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currency.py
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import csv
import datetime
import os
import re
import time
import sys
import requests
import json
from Crypto.Cipher import AES
from Crypto.Util.Padding import unpad, pad
import base64
from tabulate import tabulate
from bs4 import BeautifulSoup
GITHUB_EVENT_NAME = os.getenv('GITHUB_EVENT_NAME')
currencies = ['JPY', 'CNY','TWD']
datenow = datetime.datetime.now(datetime.timezone.utc) + datetime.timedelta(hours=8)
class Result:
def __init__(self, date='') -> None:
self.data = {}
self.date = date
def add(self, currency, rate):
self.data[currency] = rate
def get(self, currency):
if currency not in self.data: return None
return self.data[currency]
def get_bnu():
response = requests.get('https://online.bnu.com.mo/ebank/bnu/ExchangeRates?lv1ID=0&lv2ID=0&lang=C').text
table_data = [[cell.text.strip() for cell in row("td")] for row in BeautifulSoup(response, 'html.parser')("tr")]
result = Result()
for row in table_data:
if row[0] in currencies:
result.add(row[0], float(row[9 if row[0] != 'CNY' else 5]) * 100)
return result
key = os.getenv('KEY').encode() # 16, 24, or 32 bytes長度的金鑰
iv = os.getenv('IV').encode() # 16 bytes長度的初始向量
def aes_cbc_decrypt(key, iv, ciphertext):
cipher = AES.new(key, AES.MODE_CBC, iv)
plaintext = cipher.decrypt(ciphertext)
return unpad(plaintext, 16).decode('utf-8')
def aes_cbc_encrypt(key, iv, plaintext):
cipher = AES.new(key, AES.MODE_CBC, iv)
ciphertext = cipher.encrypt(pad(plaintext.encode('utf-8'), 16))
return ciphertext
payload = {
'params_decrypt_str': base64.b64encode(
aes_cbc_encrypt(key, iv, 'ActionMethod=exchangeRate&ccy=JPY&pageLanguage=C&PageLanguage=zh_CN'))
}
response = requests.request("POST", "https://online.bnu.com.mo/mba/rate.do?RestJson=Y", data=payload).json()
data = json.loads(aes_cbc_decrypt(key, iv, base64.standard_b64decode(response['params_encrypt_str'])))
return float(data['rateList'][0]['noteMopSell']) * 100
def get_boc():
headers = {
'Accept': 'application/json, text/plain, */*',
'Accept-Language': 'zh-TW,zh;q=0.9,en-US;q=0.8,en;q=0.7,zh-CN;q=0.6',
'Cache-Control': 'no-cache',
'Connection': 'keep-alive',
'Content-Type': 'application/json;charset=UTF-8',
'Origin': 'https://wxs.bocmacau.com',
'Pragma': 'no-cache',
'Referer': 'https://wxs.bocmacau.com/',
'Sec-Fetch-Dest': 'empty',
'Sec-Fetch-Mode': 'cors',
'Sec-Fetch-Site': 'same-origin',
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36',
'sec-ch-ua': '"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"',
'sec-ch-ua-mobile': '?0',
'sec-ch-ua-platform': '"Windows"',
}
json_data = {
'InstNo': '148',
'Currency': 'MOP',
}
response = requests.post('https://wxs.bocmacau.com/wx/portal/WXQryExchangeRate', headers=headers,
json=json_data).json()
result = Result()
for pair in response['List']:
if pair['ExchangeCurrency'] in currencies:
boc_rate = pair['CSRate']
boc_tt_rate = pair['TTSRate']
result.add(pair['ExchangeCurrency'],
boc_rate if pair['ExchangeCurrency'] != 'CNY' else boc_tt_rate)
return result
def get_union():
response = requests.get(
'https://www.unionpayintl.com/upload/jfimg/{}.json'.format(
(datenow + datetime.timedelta(
days=0 if datenow.hour >= 11 else -1)).strftime(
"%Y%m%d")), ).json()
result = Result()
if datenow.hour < 11:
result.date = (datenow + datetime.timedelta(
days=0 if datenow.hour >= 11 else -1)).strftime(
"%Y%m%d")
for pair in response['exchangeRateJson']:
if pair['transCur'] in currencies and pair['baseCur'] == 'MOP':
union_rate = pair['rateData'] * 100
result.add(pair['transCur'], union_rate)
return result
def get_visa():
result = Result()
for c in currencies:
headers = {
'accept': 'application/json, text/plain, */*',
'accept-language': 'zh-TW,zh;q=0.9,en-US;q=0.8,en;q=0.7,zh-CN;q=0.6',
'cache-control': 'no-cache',
'pragma': 'no-cache',
'referer': 'https://www.visa.com.hk/zh_HK/support/consumer/travel-support/exchange-rate-calculator.html',
'sec-ch-ua': '"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"',
'sec-ch-ua-mobile': '?0',
'sec-ch-ua-platform': '"Windows"',
'sec-fetch-dest': 'empty',
'sec-fetch-mode': 'cors',
'sec-fetch-site': 'same-origin',
'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36',
}
params = {
'amount': '1',
'fee': '0',
'utcConvertedDate': datenow.strftime("%m/%d/%Y"),
'exchangedate': datenow.strftime("%m/%d/%Y"),
'fromCurr': 'MOP',
'toCurr': c,
}
response = requests.get('https://www.visa.com.hk/cmsapi/fx/rates', params=params, headers=headers).json()
visa_rate = float(response['fxRateWithAdditionalFee']) * 100
result.add(c, visa_rate)
return result
def get_mastercard():
result = Result()
for c in currencies:
headers = {
'accept': 'application/json, text/plain, */*',
'accept-language': 'zh-TW,zh;q=0.9,en-US;q=0.8,en;q=0.7,zh-CN;q=0.6',
'referer': 'https://www.mastercard.us/en-us/personal/get-support/convert-currency.html',
'sec-ch-ua': '"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"',
'sec-ch-ua-mobile': '?0',
'sec-ch-ua-platform': '"Windows"',
'sec-fetch-dest': 'empty',
'sec-fetch-mode': 'cors',
'sec-fetch-site': 'same-origin',
'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36',
}
params = {
'fxDate': '0000-00-00',
'transCurr': c,
'crdhldBillCurr': 'MOP',
'bankFee': '00',
'transAmt': '100',
}
for i in range(3):
response = requests.get(
'https://www.mastercard.us/settlement/currencyrate/conversion-rate',
params=params,
headers=headers,
)
if response.status_code == 200 and response.text[0] == '{':
response = response.json()
mastercard_rate = response['data']['conversionRate'] * 100
result.add(c, mastercard_rate)
break
time.sleep(i + 1)
return result
def get_hsbc():
result = Result()
params = {
'locale': 'zh_HK',
}
response = requests.get(
'https://rbwm-api.hsbc.com.hk/digital-pws-tools-investments-eapi-prod-proxy/v1/investments/exchange-rate',
params=params,
).json()
for i in response['detailRates']:
if i['ccy'] in currencies:
result.add(i['ccy'], float(i['ttSelRt']) * 1.0315 * 100)
return result
def get_soicheong():
result = Result()
headers = {
'accept': 'application/json, text/plain, */*',
'accept-language': 'zh-TW,zh;q=0.9,en-US;q=0.8,en;q=0.7,zh-CN;q=0.6',
'cache-control': 'no-cache',
'pragma': 'no-cache',
'sec-ch-ua': '"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"',
'sec-ch-ua-mobile': '?0',
'sec-ch-ua-platform': '"Windows"',
'sec-fetch-dest': 'empty',
'sec-fetch-mode': 'cors',
'sec-fetch-site': 'same-origin',
'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36',
}
response = requests.get(
'https://www.soicheong.com/index.php?g=Api&m=Exchange&a=getRate',headers=headers
).json()
for i in response['value']:
if i['codenum'] == 'RMB': i['codenum'] = 'CNY'
if i['codenum'] in currencies:
result.add(i['codenum'], float(i['rate2']) * 1.0315 * 100)
return result
def get_jcb():
result = Result()
day_delta = 0
if datenow.weekday() == 5:
day_delta = -1
elif datenow.weekday() == 6:
day_delta = -2
elif datenow.hour < 10:
day_delta = -1
response = requests.get(
'https://www.jcb.jp/rate/usd{}.html'.format(
(datenow + datetime.timedelta(
days=day_delta)).strftime(
"%m%d%Y")), )
if day_delta != 0:
result.date = (datenow + datetime.timedelta(
days=day_delta)).strftime(
"%Y%m%d")
if response.status_code == 404:
response = requests.get(
'https://www.jcb.jp/rate/usd.html')
href = BeautifulSoup(response.text, 'html.parser').select('li a')[0].attrs['href']
response = requests.get('https://www.jcb.jp' + (href))
date_str = re.findall(r"\d+", href)[0]
date_obj = datetime.datetime.strptime(date_str, "%m%d%Y")
reformatted_date_str = date_obj.strftime("%Y%m%d")
result.date = reformatted_date_str
response = response.text
table_data = [[cell.text.strip() for cell in row("td")] for row in BeautifulSoup(response, 'html.parser')("tr")]
for row in table_data:
if row[-1] == 'MOP':
MOP_SELL = float(row[4])
for row in table_data:
if row[-1] in currencies:
BUY = float(row[2])
result.add(row[-1], MOP_SELL / BUY * 100)
return result
def get_yahoo():
result = Result()
# Set the base currency
base_currency = 'HKD'
headers = {
'accept': 'application/json, text/plain, */*',
'accept-language': 'zh-TW,zh;q=0.9,en-US;q=0.8,en;q=0.7,zh-CN;q=0.6',
'referer': 'https://www.mastercard.us/en-us/personal/get-support/convert-currency.html',
'sec-ch-ua': '"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"',
'sec-ch-ua-mobile': '?0',
'sec-ch-ua-platform': '"Windows"',
'sec-fetch-dest': 'empty',
'sec-fetch-mode': 'cors',
'sec-fetch-site': 'same-origin',
'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36',
}
for target_currency in currencies:
response = requests.get(
'https://finance.yahoo.com/quote/{}{}=X?.tsrc=fin-srch'.format(base_currency,target_currency),headers=headers
)
exchange_rate = float(BeautifulSoup(response.text, 'html.parser').select('.livePrice span') [0].text)
result.add(target_currency, 1 / exchange_rate * 1.0315*100)
return result
def get_text():
m_list=[
'bnu',
'boc',
'union',
'visa',
'mastercard',
'hsbc',
'soicheong',
'jcb',
'yahoo'
]
rates = {}
for m in m_list:
for i in range(3):
try:
rates[m] = globals()["get_"+m]()
continue
except Exception as e:
print(str(e), file=sys.stderr)
time.sleep(5)
# print("boc_rate/union_rate {:%}".format(boc_rate / union_rate - 1))
# print("union_rate/visa_rate {:%}".format(union_rate / visa_rate - 1))
# print("boc_rate/visa_rate {:%}".format(boc_rate / visa_rate - 1))
text = ''
text += ('# Exchange Rate Tracer') + '\n\n'
text += f'> Update: {datenow}\n\n'
for c in currencies:
text += f'## {c}\n\n'
# Sort the dictionary by values in ascending order
names = {}
for n, result in rates.items():
if result is None or result.get(c) is None: continue
if result.date != '':
n += ' (' + result.date + ')'
if n == 'union':
names[n] = result.get(c)
# if c == 'JPY':
# names['union ICBC (+MOP18 every 100,000yen)'] = result.get(c) + 0.018
# if c == 'CNY':
# names['union ICBC (+MOP18 every 10,000yuan)'] = result.get(c) + 0.18
elif n == 'yahoo':
names[n] = result.get(c)
if c == 'JPY':
names['ib¹'] =(100000*(result.get(c)/100)+16)/100000*100
else:
names[n] = result.get(c)
sorted_dict = dict(sorted(names.items(), key=lambda x: x[1]))
table = []
last = 0
# Print the sorted dictionary
for key, value in sorted_dict.items():
diff = ''
if value != 999:
if (last != 0):
diff = f'+{(value - last) * 1000:.4f} ({value / last - 1:.4%})\n'
last = value
table.append([key, f'{value:.5f}\t({1 / value * 10000:.4f})' if c == 'CNY' else value, diff])
if GITHUB_EVENT_NAME == 'schedule':
with open('logs/{0}.csv'.format(c), 'a', newline='') as file:
writer = csv.writer(file)
writer.writerow([datenow,
rates['visa'].get(c),
rates['mastercard'].get(c),
rates['union'].get(c),
rates['bnu'].get(c),
rates['boc'].get(c),
rates['hsbc'].get(c),
rates['jcb'].get(c)
])
head = ["Name", "Rate", "Diff per 100,000 " + c]
text += tabulate(table, headers=head,
tablefmt="github")
text += f'\n\n'
return text + """
> ¹ IB以每JPY100,000 +USD2 手續費計算
>
> 銀聯系統匯率週一至週五每日更新，週六周日延用週五匯率。如無特殊情況，部分歐系貨幣匯率生效時間為北京時間16:30，其他貨幣匯率生效時間為北京時間11:00。
>
> BNU下班時間匯率較差。
>
> [立橋](https://www.wlbank.com.mo/uploads/ueditor/file/20181211/1544536513900230.pdf)/[發展銀行](https://www.mdb.com.mo/Service_Charges_20230728.pdf)海外銀聯提現暫時豁免手續費(貴銀聯1.1%左右)
"""
# while True:
# print(get_text())
# time.sleep(300)
print(get_text())