A Jupyter Notebook Extension for DolphinDB.
Project description
jupyter-notebook-extension
DolphinDB Jupyter Notebook 扩展插件
Jupyter Notebook是基于网页的用于交互计算的应用程序。用户可以直接通过浏览器编辑和交互式运行代码。DolphinDB database 提供了Jupyter Notebook的插件,用户可以使用 Jupyter Notebook编写DolphinDB脚本并运行。
DolphinDB Jupyter Notebook 扩展插件提供以下功能:
- 为用户提供Jupyter Notebook连接DolphinDB Server的配置界面
- 使Jupyter Notebook支持DolphinDB脚本语言的执行
1. 下载插件并安装
-
使用pip安装
pip install dolphindb_notebook
-
启用插件
jupyter nbextension enable dolphindb/main
2. 配置Jupyter Notebook工作路径
- 通过命令行
jupyter kernelspec list
查看Jupyter Notebook Kernel的工作路径- Linux系统
>jupyter kernelspec list Available kernels: dolphindb /home/admin/.local/share/jupyter/kernels/dolphindb python3 /home/admin/.local/share/jupyter/kernels/python3
将/home/admin/.local/share/jupyter/kernels复制下来- Windows系统
>jupyter kernelspec list Available kernels: dolphindb C:\Users\admin\appdata\local\programs\python3\python37\share\jupyter\kernels\dolphindb python3 C:\Users\admin\appdata\local\programs\python3\python37\share\jupyter\kernels\python3
将 C:\Users\admin\appdata\local\programs\python3\python37\share\jupyter\kernels复制下来 - 通过命令行
jupyter notebook --generate-config
生成一个配置文件jupyter_notebook_config.py,打开这个配置文件,找到c.NotebookApp.notebook_dir选项,设为上一步复制下来的工作路径,并去掉注释# 注意:Windows系统需要将路径中的一个反斜杠\都替换成两个反斜杠\,其中一个是转义字符
3. 连接DolphinDB Server
- 在命令行输入
jupyter notebook
,启动Jupyter Notebook - 在Jupyter Notebook的页面右侧点击新建,选择DolphinDB,新建一个DolphinDB notebook
- 点击notebook工具栏的Connect to DolphinDB Server按钮。选择相应的server,然后点击右下角Connect按钮,即与DolphinDB server建立连接(如果不需要该server,可以点击Delete按钮删除)
- 也可以通过New按钮,输入新的server信息,然后点击Save & Connect按钮即与DolphinDB server建立连接,并保存该信息以便下次使用
4. 编辑和运行DolphinDB脚本
连接DolphinDB Server后,在代码块区域编写DolphinDB脚本,点击运行即可运行相应代码块
5. 展示代码块运行结果
每次运行DolphinDB脚本后,运行结果都会在相应的代码块下方展示。对于DolphinDB的绘图功能,以富媒体格式PNG展示结果
注意:
- 对于一些数据量较大的结果,可能会出现IOPub数据率超出限制的问题,可以将Jupyter Notebook配置文件中的c.NotebookApp.iopub_data_rate_limit调高,并去掉注释#即可
- 对于超出60行的表格,只显示前五行与后五行
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