I use virtualenv
为我的 python 项目创建一个 python 虚拟环境。
#command
pwd
#result
/home/dhanusha/Documents/projects/my-project
# command
virtualenv --version
# results
virtualenv 20.10.0 from /usr/local/lib/python3.8/dist-packages/virtualenv/__init__.py
我尝试创建一个虚拟的python3.10
环境使用以下命令。我可以创造venv
成功地。
# creating venv
virtualenv -p /usr/bin/python3.10 venv
# then, I could activate the `venv` environment successfully using the following command.
source venv/local/bin/activate
# after activation python version shows:
python -V
# results
Python 3.10.1
# after activation pip version shows:
pip -V
#results
pip 20.0.2 from /usr/lib/python3/dist-packages/pip (python 3.10)
但是当运行时pip list
命令,它显示错误:
(venv) dhanusha@dhanusha-pc:~/Documents/projects/my-project$ pip list
Traceback (most recent call last):
File "/home/dhanusha/Documents/projects/my-project/venv/local/bin/pip", line 8, in <module>
sys.exit(main())
File "/usr/lib/python3/dist-packages/pip/_internal/cli/main.py", line 73, in main
command = create_command(cmd_name, isolated=("--isolated" in cmd_args))
File "/usr/lib/python3/dist-packages/pip/_internal/commands/__init__.py", line 96, in create_command
module = importlib.import_module(module_path)
File "/usr/lib/python3.10/importlib/__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 883, in exec_module
File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
File "/usr/lib/python3/dist-packages/pip/_internal/commands/list.py", line 13, in <module>
from pip._internal.cli.req_command import IndexGroupCommand
File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 15, in <module>
from pip._internal.index.package_finder import PackageFinder
File "/usr/lib/python3/dist-packages/pip/_internal/index/package_finder.py", line 21, in <module>
from pip._internal.index.collector import parse_links
File "/usr/lib/python3/dist-packages/pip/_internal/index/collector.py", line 12, in <module>
from pip._vendor import html5lib, requests
ImportError: cannot import name 'html5lib' from 'pip._vendor' (/usr/lib/python3/dist-packages/pip/_vendor/__init__.py)
(venv) dhanusha@dhanusha-pc:~/Documents/projects/my-project$
供你参考:
操作系统:Ubuntu 20.04 LTS
Python -V
命令:Python 3.8.10
python3.10 -V
命令:Python 3.10.1
我该如何解决这个问题?提前致谢。