如何解决Conda 创建环境 - 找不到兼容的 Shell
我有一个 bash 脚本,我将在其中创建 conda 虚拟环境并将软件包安装到其中。 目前我们在我的虚拟环境中使用 conda 4.5.12 版和 python 3.6。
我正在尝试使用 python 3.6 将 conda 版本升级到 4.9.2。
conda --version
4.9.2
这是我在脚本中使用的命令
conda create -y --name virtual_env python=3.6
这在下载和提取包步骤期间运行并失败。以下是错误报告
Traceback (most recent call last):
File "/root/project/miniconda/lib/python3.9/site-packages/conda/exceptions.py",line 1079,in __call__
return func(*args,**kwargs)
File "/root/project/miniconda/lib/python3.9/site-packages/conda/cli/main.py",line 84,in _main
exit_code = do_call(args,p)
File "/root/project/miniconda/lib/python3.9/site-packages/conda/cli/conda_argparse.py",line 83,in do_call
return getattr(module,func_name)(args,parser)
File "/root/project/miniconda/lib/python3.9/site-packages/conda/cli/main_create.py",line 41,in execute
install(args,parser,'create')
File "/root/project/miniconda/lib/python3.9/site-packages/conda/cli/install.py",line 317,in install
handle_txn(unlink_link_transaction,prefix,args,newenv)
File "/root/project/miniconda/lib/python3.9/site-packages/conda/cli/install.py",line 346,in handle_txn
unlink_link_transaction.execute()
File "/root/project/miniconda/lib/python3.9/site-packages/conda/core/link.py",line 249,in execute
self._execute(tuple(concat(interleave(itervalues(self.prefix_action_groups)))))
File "/root/project/miniconda/lib/python3.9/site-packages/conda/core/link.py",line 712,in _execute
raise CondaMultiError(tuple(concatv(
conda.CondaMultiError: No compatible shell found!
()
请专家帮忙。
添加脚本摘要
#!/bin/bash
set -e
install_conda_for_linux(){
#
# Determine Installation Location for non Windows systems
#
#Get path where miniconda needs to get installed and remove if anything exixsts already#
downloaded_file=$base_dir/$conda_file
output_formatted Removing file: $downloaded_file
rm -f $downloaded_file
#
# Download Miniconda
#
output_formatted Downloading Miniconda from: $conda_url '\n' Saving file in: $base_dir
curl -L $conda_url > $base_dir/$conda_file
#
# Install Miniconda
#
rm -rf $install_dir
bash $base_dir/$conda_file -b -p $install_dir
#
# Modify PATH
#
conda_path=$install_dir/bin
export PATH=$conda_path:\$PATH
conda_version=`conda --version`
}
#
# Variables
#
pyversion=3
python_version="3.6.10"
conda_version="4.9.2"
skip_install=$1
base_url='https://repo.anaconda.com/miniconda'
virtual_env=venv
#conda_file is only specified for use in messages below on Windows,as it is manual install,which must be done before running this script.
declare -A conda_file_map
conda_file_map[Linux]="Miniconda${pyversion}-py39_${conda_version}-Linux-x86_64.sh"
conda_file=${conda_file_map[${os_type}]}
#
# Installation of conda and its dependencies
#
if [ ${skip_install} != 'true' ];then
conda_url=${base_url}/${conda_file}
install_conda_for_linux
#
# Create Environment
#
output_formatted Creating new virtual environment: $virtual_env for python_version $python_version
conda create -y -vv --name $virtual_env python=$python_version
解决方法
这是您的错误:
conda_path=$install_dir/bin
export PATH=$conda_path:\$PATH
假设 install_dir=/path/to/install
,PATH
的起始值为 PATH=/bin:/usr/bin:/usr/local/bin
(这就是 which sh
查找 /bin/sh
或 /usr/bin/sh
的方式)。
运行此命令后,由于反斜杠,您没有有PATH=/path/to/install/bin:/bin:/usr/bin:/usr/local/bin
(这是您想要的),而是有PATH=/path/to/install/bin:$PATH
;反斜杠导致 文字字符串 $PATH
被添加到您的变量中,而不是其中包含的字符串。
因此,/bin
和 /usr/bin
不再列在您的 PATH
变量中,因此 which
无法找到它们。
要解决这个问题,只需:
conda_path=$install_dir/bin
PATH=$conda_path:$PATH
最大的修复是将 \$PATH
更改为仅 $PATH
-- 但除此之外,您不需要 export
(对环境中已有变量的更改会自动重新-exported),并且无缘无故地增加了复杂性。
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