Easy API to get foreign exchange rate from Bank of China.
Project description
bocfx
An easy-to-use python package for getting foreign exchange rate from Bank of China (BOC).
一个帮你快速获取中国银行外汇牌价的 Python 爬虫(也可作外汇牌价API)。
Author: Bob Lee
Features
- Multithreading 多线程
- As a command-line application 支持命令行应用模式
- As a python module 支持模块导入模式(import到你自己的项目里就能作API了)
- Foreign exchange selection 支持多种外汇币种同时输出(默认是英、欧、美、加、澳)
- Foreign exchange quotation filter 支持外汇牌价种类同时输出(买入、卖出、现钞、现汇)
- Date selection (Realtime/History) 支持按时间/时间段筛选
- Line graph generation 支持生成历史波动曲线
- .csv generation 支持导出csv格式表格文件
- Set output path 支持导出到指定路径
- Export to database 支持导出到数据库(开发中)
Contents
- Installation 安装
- Basic Usage 基本用法
- Advanced Usage 进阶用法
- Option and parameter 参数选择
- Limitation 局限性
- MIT Licence
Installation
Generally, one line command can perfect installation.
pip3 install bocfx
If your pip
links python3, please use pip install bocfx
to install bocfx.
REMEMBER, Bocfx may not support python2.
Basic Usage
As a command-line application
BOBMAC:~ bobleer$ bocfx
100%|████████████████████████████████████████████| 5/5 [00:00<00:00, 471.66it/s]
+-----+--------+--------+--------+--------+---------------------+
| 5 | SE_BID | BN_BID | SE_ASK | BN_ASK | Time |
+-----+--------+--------+--------+--------+---------------------+
| GBP | 873.53 | 846.38 | 879.96 | 882.1 | 2019-02-25 09:25:37 |
| EUR | 758.54 | 734.97 | 764.14 | 765.83 | 2019-02-25 09:25:37 |
| USD | 669.44 | 663.99 | 672.28 | 672.28 | 2019-02-25 09:25:37 |
| CAD | 509.1 | 493.03 | 512.86 | 514.1 | 2019-02-25 09:25:37 |
| AUD | 476.19 | 461.4 | 479.69 | 480.87 | 2019-02-25 10:10:35 |
+-----+--------+--------+--------+--------+---------------------+
(SE = Spot Exchange, BN = Banknote)
As a python module
>>> from bocfx import bocfx
>>> output = bocfx('GBP,USD','SE,ASK')
100%|████████████████████████████████████████████| 5/5 [00:00<00:00, 532.87it/s]
>>> output # The latest foreign exchange rate
['879.96', '672.28']
Advanced Usage
As a command-line application
bocfx [-f|--fx] [-s|--sort] [-t|--time] (-p|--plot) (-c|--csv) {-o|--op}
Example:
❯ bocfx -f GBP,USD,AUD -s ASK -t 30 -p -c -o '~/desktop/output'
100%|█████████████████████████████████████████████| 3/3 [00:03<00:00, 1.08s/it]
100%|████████████████████████████████████████| 199/199 [00:00<00:00, 422.62it/s]
+-----+--------+--------+---------------------+
| 3 | SE_ASK | BN_ASK | Time |
+-----+--------+--------+---------------------+
| GBP | 880.27 | 882.41 | 2019-02-24 10:30:00 |
| USD | 673.08 | 673.08 | 2019-02-24 10:30:00 |
| AUD | 480.65 | 481.82 | 2019-02-24 10:30:00 |
| GBP | 880.27 | 882.41 | 2019-02-24 05:30:00 |
| USD | 673.08 | 673.08 | 2019-02-24 05:30:00 |
| AUD | 480.65 | 481.82 | 2019-02-24 05:30:00 |
...
| GBP | 889.64 | 891.8 | 2019-01-25 00:00:05 |
| USD | 680.4 | 680.4 | 2019-01-25 00:00:05 |
| AUD | 484.37 | 485.56 | 2019-01-25 00:00:05 |
+-----+--------+--------+---------------------+
(SE = Spot Exchange, BN = Banknote)
.csv has already saved to /Users/bob/desktop/output/[GBP+USD+AUD]SE_ASK+BN_ASK_2019-01-25_2019-02-24.csv
Plot has already saved to /Users/bob/desktop/output/[GBP+USD+AUD]SE_ASK+BN_ASK_2019-01-25_2019-02-24.png
As a python module
from bocfx import bocfx
bocfx(FX=0, sort=0, time=-1, plot=0, csv=0, pt=0, op='~/bocfx_output')
Example:
>>> from bocfx import bocfx
# Equivalent command
# example01 = bocfx(FX='GBP,USD', sort='SE', time=1)
>>> example01 = bocfx('GBP,USD','SE',1)
100%|█████████████████████████████████████████████| 2/2 [00:01<00:00, 1.49it/s]
>>> type(example01)
<class 'list'>
>>> print(example01)
[[2, 'SE_BID', 'SE_ASK', 'Time'], ['USD', '669.74', '672.58', '2019-02-25 09:25:23'], ['GBP', '874.18', '880.62', '2019-02-25 09:25:13'], ... , ['GBP', '873.83', '880.27', '2019-02-24 00:00:05'], ['USD', '670.24', '673.08', '2019-02-24 00:00:05']]
>>> from bocfx import bocfx
# Equivalent command
# example02 = bocfx(FX='GBP,USD', sort='SE', time='2018-08-01,2018-08-02', plot=1, csv=1, pt=0, op='~/desktop/example/')
>>> example02 = bocfx('GBP,USD','SE','2018-08-01,2018-08-02',1,1,0,op='~/desktop/example/')
100%|█████████████████████████████████████████████| 2/2 [00:02<00:00, 1.05it/s]
100%|██████████████████████████████████████████| 26/26 [00:00<00:00, 134.46it/s]
.csv has already saved to /Users/bob/desktop/example/[GBP+USD]SE_BID+SE_ASK_2018-08-01_2018-08-02.csv
Plot has already saved to /Users/bob/desktop/example/[GBP+USD]SE_BID+SE_ASK_2018-08-01_2018-08-02.png
>>> type(example02)
<class 'list'>
>>> print(example02)
[[2, 'SE_BID', 'SE_ASK', 'Time'], ['GBP', '888.85', '895.4', '2018-08-02 23:19:36'], ['USD', '683.01', '685.91', '2018-08-02 23:19:36'], ... , ['GBP', '891.33', '897.89', '2018-08-01 00:00:05'], ['USD', '680.22', '683.1', '2018-08-01 00:00:05']]
Option and parameter
Option 1 -f
/--fx
-f
/--fx
is the BOC foreign excahnge selector. This opinion supports multi-parameter.
,
is the separator of each parameter.
Common foreign currency:
FX | ISO Code | Full Name | Alias |
---|---|---|---|
英镑 |
GBP |
Great Britain Pound | UK |
港币 |
HKD |
Hong Kong Dollar | HK |
美元 |
USD |
United States Dollar | US |
瑞士法郎 |
CHF |
Swiss Franc | |
德国马克 |
DEM |
Deutsche Mark | |
法国法郎 |
FRF |
French Franc | FF |
新加坡元 |
SGD |
Singapore Dollar | |
瑞典克朗 |
SEK |
Swedish Krona | |
丹麦克朗 |
DKK |
Danish Krone | |
挪威克朗 |
NOK |
Norwegian Krone | |
日元 |
JPY |
Japanese Yen | JP |
加拿大元 |
CAD |
Canadian Dollar | CA |
澳大利亚元 |
AUD |
Australian Dollar | AU |
欧元 |
EUR |
Euro | EU |
澳门元 |
MOP |
Macao Pataca | |
菲律宾比索 |
PHP |
Philippine Peso | |
泰国铢 |
THB |
Thai Baht | |
新西兰元 |
NZD |
New Zealand Dollar | KIWI |
韩元 |
WON |
South Korean Won | SK |
卢布 |
RUB |
Russian Ruble | RU |
林吉特 |
MYR |
Malaysia Ringgit | SEN |
新台币 |
NTD |
New Taiwan Dollar | TW |
西班牙比塞塔 |
ESP |
Spain Peseta | |
意大利里拉 |
ITL |
Italian Lira | |
荷兰盾 |
ANG |
Nederlandse Gulden | |
比利时法郎 |
BEF |
Belgian Franc | |
芬兰马克 |
FIM |
Finnish Mark | |
印度卢比 |
INR |
Indian Rupee | |
印尼卢比 |
IDR |
Indonesian Rupee | |
巴西里亚尔 |
BRL |
Brasil Rial | |
阿联酋迪拉姆 |
AED |
United Arab Emirates Dirham | |
南非兰特 |
ZAF |
South African Rand | |
沙特里亚尔 |
SAR |
Saudi Arabian Riyal | |
土耳其里拉 |
TRY |
Yeni Türk Lirası | YTL |
FX, ISO and Alias can be used as values of this option, e.g. 英镑
, GBP
, UK
are all correct.
This parameter is case-insensitive, e.g. GBP
, gBp
, UK
, uk
will get same output.
If not using this option, the default parameter will be GBP, EUR, USD, CAD, AUD
.
Example:
~
❯ bocfx
100%|████████████████████████████████████████████| 5/5 [00:00<00:00, 612.38it/s]
+-----+--------+--------+--------+--------+---------------------+
| 5 | SE_BID | BN_BID | SE_ASK | BN_ASK | Time |
+-----+--------+--------+--------+--------+---------------------+
| GBP | 874.37 | 847.2 | 880.81 | 882.95 | 2019-02-25 07:28:17 |
| EUR | 759.05 | 735.47 | 764.65 | 766.35 | 2019-02-25 07:28:17 |
| USD | 670.24 | 664.79 | 673.08 | 673.08 | 2019-02-25 07:28:17 |
| CAD | 509.47 | 493.39 | 513.23 | 514.47 | 2019-02-25 07:28:17 |
| AUD | 478.68 | 463.81 | 482.21 | 483.38 | 2019-02-25 07:28:17 |
+-----+--------+--------+--------+--------+---------------------+
(SE = Spot Exchange, BN = Banknote)
~
❯ bocfx -f GBP,USD
100%|███████████████████████████████████████████| 2/2 [00:00<00:00, 1818.08it/s]
+-----+--------+--------+--------+--------+---------------------+
| 2 | SE_BID | BN_BID | SE_ASK | BN_ASK | Time |
+-----+--------+--------+--------+--------+---------------------+
| GBP | 874.37 | 847.2 | 880.81 | 882.95 | 2019-02-25 07:28:17 |
| USD | 670.24 | 664.79 | 673.08 | 673.08 | 2019-02-25 07:28:17 |
+-----+--------+--------+--------+--------+---------------------+
(SE = Spot Exchange, BN = Banknote)
Option 2 -s
/--sort
-s
/--sort
is the filter of foreign exchange quotation. This opinion supports multi-parameter.
,
is the separator of each parameter.
-s /--sort |
SE Spot Exchange |
BN Banknote |
---|---|---|
BID Bid Price |
SE,BID SE_BID |
BN,BID BN_BID |
ASK Ask Price |
SE,ASK SE_ASK |
BN,ASK BN_ASK |
If not using this option, the default output will include all prices.
Example:
~
❯ bocfx -f GBP,USD -s ASK
100%|████████████████████████████████████████████| 2/2 [00:00<00:00, 443.63it/s]
+-----+--------+--------+---------------------+
| 2 | SE_ASK | BN_ASK | Time |
+-----+--------+--------+---------------------+
| GBP | 880.81 | 882.95 | 2019-02-25 07:28:17 |
| USD | 673.08 | 673.08 | 2019-02-25 08:35:54 |
+-----+--------+--------+---------------------+
(SE = Spot Exchange, BN = Banknote)
~
❯ bocfx -f GBP,USD -s SE,BID
100%|████████████████████████████████████████████| 2/2 [00:00<00:00, 443.26it/s]
+-----+--------+---------------------+
| 2 | SE_BID | Time |
+-----+--------+---------------------+
| GBP | 874.57 | 2019-02-25 08:35:54 |
| USD | 670.24 | 2019-02-25 08:35:54 |
+-----+--------+---------------------+
(SE = Spot Exchange, BN = Banknote)
Option 3 -t
/--time
-t
/--time
can filter the date of foreign exchange quotation.
There are 3 ways to write parameter.
No. | Example | Definition |
---|---|---|
1 | 6 |
Get data from 6 days ago to today |
2 | 2019-02-20 |
Get data from 2019-02-20 to today |
3 | 2019-02-20,2019-02-21 |
Get data from 2019-02-20 to 2019-02-21 |
If not using this option, only the latest quotation will be output.
Option 4 -p
/--plot
Using -p
/--plot
can generate a line graph with .png format.
The default output path is ~/bocfx_output/
Option 5 -c
/--csv
Using -c
/--csv
can output data in .csv format.
The default output path is ~/bocfx_output/
Option 6 -o
/--op
Using -o
/--op
can change default output path.
Example: -o '~/desktop/example/'
Limitation
This package is no-database design.
All data are captured from http://srh.bankofchina.com/search/whpj/search.jsp in real time.
Thus, the speed of spider will be strongly influenced by the connectation quality!
MIT Licence
Copyright (c) 2019 The Python Packaging Authority
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
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