移植 Python 量化交易 TALib 库到函数计算

TA-Lib 可分为 10 个子板块：

*   Overlap Studies(重叠指标)
*   Momentum Indicators(动量指标)
*   Volume Indicators(交易量指标)
*   Cycle Indicators(周期指标)
*   Price Transform(价格变换)
*   Volatility Indicators(波动率指标)
*   Pattern Recognition(模式识别)
*   Statistic Functions(统计函数)
*   Math Transform(数学变换)
*   Math Operators(数学运算)

 

本文介绍通过 Funcraft 的模板将 Python 量化交易库 TA-lib 移植到[函数计算](https://yq.aliyun.com/go/articleRenderRedirect?url=https%3A%2F%2Fstatistics.functioncompute.com%2F%3Ftitle%3D%25E7%25A7%25BB%25E6%25A4%258D%2520Python%2520%25E9%2587%258F%25E5%258C%2596%25E4%25BA%25A4%25E6%2598%2593%2520TA-Lib%2520%25E5%25BA%2593%25E5%2588%25B0%25E5%2587%25BD%25E6%2595%25B0%25E8%25AE%25A1%25E7%25AE%2597%26amp%3Bauthor%3D%25E5%2580%259A%25E8%25B4%25A4%26amp%3Burl%3Dhttp%253A%252F%252Ffc.console.aliyun.com%252F%253Ffctraceid%253DYXV0aG9yJTNEJUU1JTgwJTlBJUU4JUI0JUE0JTI2dGl0bGUlM0QlRTclQTclQkIlRTYlQTQlOEQlMjBQeXRob24lMjAlRTklODclOEYlRTUlOEMlOTYlRTQlQkElQTQlRTYlOTglOTMlMjBUQS1MaWIlMjAlRTUlQkElOTMlRTUlODglQjAlRTUlODclQkQlRTYlOTUlQjAlRTglQUUlQTElRTclQUUlOTc%253D)。

依赖工具
----

本项目是在 MacOS 下开发的，涉及到的工具是平台无关的，对于 Linux 和 Windows 桌面系统应该也同样适用。在开始本例之前请确保如下工具已经正确的安装，更新到最新版本，并进行正确的配置。

*   [Docker](https://yq.aliyun.com/go/articleRenderRedirect?url=https%3A%2F%2Fwww.docker.com%2F)
*   [Funcraft](https://yq.aliyun.com/go/articleRenderRedirect?url=https%3A%2F%2Fgithub.com%2Falibaba%2Ffuncraft)

对于 MacOS 用户可以使用 [homebrew](https://yq.aliyun.com/go/articleRenderRedirect?url=https%3A%2F%2Fbrew.sh%2F) 进行安装：

```
brew cask install docker
brew tap vangie/formula
brew install fun
```


Windows 和 Linux 用户安装请参考：

[https://github.com/aliyun/fun/blob/master/docs/usage/installation.md](https://yq.aliyun.com/go/articleRenderRedirect?url=https%3A%2F%2Fgithub.com%2Faliyun%2Ffun%2Fblob%2Fmaster%2Fdocs%2Fusage%2Finstallation.md)

安装好后，记得先执行 `fun config` 初始化一下配置。

初始化
---

使用 fun init 命令可以快捷地将本模板项目初始化到本地。

```
fun init vangie/ta-lib-example
```


安装依赖
----

```
$ fun install
using template: template.yml
start installing function dependencies without docker

building ta-lib-example/ta-lib-example
Funfile exist, Fun will use container to build forcely
Step 1/5 : FROM registry.cn-beijing.aliyuncs.com/aliyunfc/runtime-python3.6:build-1.7.7
---> 373f5819463b
Step 2/5 : COPY ta-lib-0.4.0-src.tar.gz /tmp
---> Using cache
---> 64f9f85112b4
Step 3/5 : RUN cd /tmp; tar -xzf ta-lib-0.4.0-src.tar.gz
---> Using cache
---> 9f2d3f836de9
Step 4/5 : RUN cd /tmp/ta-lib/ ;     ./configure --prefix=/code/.fun/root/usr ;     make ; make install
---> Using cache
---> 7725836973d4
Step 5/5 : RUN TA_LIBRARY_PATH=/code/.fun/root/usr/lib     TA_INCLUDE_PATH=/code/.fun/root/usr/include     fun-install pip install TA-Lib
---> Using cache
---> a338e71895b7
sha256:a338e71895b74a0be98278f35da38c48545f04a54e19ec9e689bab976265350b
Successfully built a338e71895b7
Successfully tagged fun-cache-d4ac1d89-5b75-4429-933a-2260e2f7fbec:latest
copying function artifact to /Users/vangie/Workspace/ta-lib-example/{{ projectName }}

Install Success


Tips for next step
======================
* Invoke Event Function: fun local invoke
* Invoke Http Function: fun local start
* Build Http Function: fun build
* Deploy Resources: fun deploy
```


本地调用
----

```
$ fun local invoke
using template: template.yml

Missing invokeName argument, Fun will use the first function ta-lib-example/ta-lib-example as invokeName

skip pulling image aliyunfc/runtime-python3.6:1.7.7...
FunctionCompute python3 runtime inited.
FC Invoke Start RequestId: dc1495b2-13ec-4ecf-a2dc-a0026d82651a
FC Invoke End RequestId: dc1495b2-13ec-4ecf-a2dc-a0026d82651a
[
    "HT_DCPERIOD",
    "HT_DCPHASE",
    "HT_PHASOR",
    "HT_SINE",
    "HT_TRENDMODE"
]

RequestId: dc1495b2-13ec-4ecf-a2dc-a0026d82651a          Billed Duration: 350 ms         Memory Size: 1998 MB    Max Memory Used: 34 MB
```


部署
--

```
$ fun deploy
using template: template.yml
using region: cn-shanghai
using accountId: ***********4733
using accessKeyId: ***********EUz3
using timeout: 600

Waiting for service ta-lib-example to be deployed...
        Waiting for function ta-lib-example to be deployed...
                Waiting for packaging function ta-lib-example code...
                The function ta-lib-example has been packaged. A total of 39 files files were compressed and the final size was 3.23 MB
        function ta-lib-example deploy success
service ta-lib-example deploy success
```


执行
--

```
$ fun invoke
using template: template.yml

Missing invokeName argument, Fun will use the first function ta-lib-example/ta-lib-example as invokeName

========= FC invoke Logs begin =========
FC Invoke Start RequestId: 83e23eba-02b4-4380-bbca-daec6856bf4a
FC Invoke End RequestId: 83e23eba-02b4-4380-bbca-daec6856bf4a

Duration: 213.86 ms, Billed Duration: 300 ms, Memory Size: 128 MB, Max Memory Used: 43.50 MB
========= FC invoke Logs end =========

FC Invoke Result:
[
    "HT_DCPERIOD",
    "HT_DCPHASE",
    "HT_PHASOR",
    "HT_SINE",
    "HT_TRENDMODE"
]
```