耗时两日，安装fbprophet

Facebook的开源时序分析库fbprophet号称史上最难安装的库，实测确实如此。

百度了各种简单粗暴或者详细的安装步骤，期间遭遇了各种各样奇怪的问题，现简录如下：

1.已经安装了pystan的前提下，用conda install -c conda-forge install fbprophet，

(base) C:\WINDOWS\system32>conda install -c conda-forge fbprophet
Collecting package metadata (current_repodata.json): done
Solving environment: failed with initial frozen solve. Retrying with flexible solve.
Solving environment: failed with repodata from current_repodata.json, will retry with next repodata source.
Collecting package metadata (repodata.json): done
Solving environment: failed with initial frozen solve. Retrying with flexible solve.

 2.出现上述问题，我尝试了用管理员权限conda update --all, 等所有的包都更新完毕之后，再次conda install -c conda-forge install fbprophet ,   读出另一个环境不匹配的问题，我的python版本是3.9,与fbprophet不兼容。

(base) C:\WINDOWS\system32>conda install -c conda-forge fbprophet
Collecting package metadata (current_repodata.json): done
Solving environment: failed with initial frozen solve. Retrying with flexible solve.
Solving environment: failed with repodata from current_repodata.json, will retry with next repodata source.
Collecting package metadata (repodata.json): done
Solving environment: failed with initial frozen solve. Retrying with flexible solve.
Solving environment: /
Found conflicts! Looking for incompatible packages.
This can take several minutes.  Press CTRL-C to abort.
failed

UnsatisfiableError: The following specifications were found
to be incompatible with the existing python installation in your environment:

Specifications:

  - fbprophet -> python[version='2.7.*|3.5.*|3.6.*|>=2.7,<2.8.0a0|>=3.5,<3.6.0a0|>=3.6,<3.7.0a0|>=3.8,<3.9.0a0|>=3.7,<3.8.0a0']

Your python: python=3.9

3.在Anaconda中创建python3.7的虚拟环境：

conda create -n py37 python=3.7

4.激活并进入虚拟环境，然后再安装fbprophet：

(base) C:\WINDOWS\system32>activate py37

(py37) C:\WINDOWS\system32>conda install -c conda-forge fbprophet
Collecting package metadata (current_repodata.json): done
Solving environment: done

# All requested packages already installed.


(py37) C:\WINDOWS\system32>python

Python 3.7.11 (default, Jul 27 2021, 09:42:29) [MSC v.1916 64 bit (AMD64)] :: Anaconda, Inc. on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import fbprophet
Importing plotly failed. Interactive plots will not work.

        可以发现虚拟环境中确实可以正确安装fbprophet，但是导入该库时发掘提示Interactive plots will not work，于是又需要conda install plotly -y. 真是环环相扣，问题百出的一个库。

经过两天的搏杀，总算成功装好fbprophet。希望使用过程能稍微友好一点的。待续。

标签：Solving,repodata,failed,两日,environment,耗时,conda,fbprophet
来源： https://blog.csdn.net/lijunscut/article/details/122707759