Flask学习记录-pipenv虚拟环境搭建

python环境

$ python -V
Python 3.9.18
1.安装pipenv
$ pip install pipenv -i https://pypi.tuna.tsinghua.edu.cn/simple
$ pipenv --version
pipenv, version 2023.12.1
2.创建虚拟环境
[ flask-test1]$ pipenv install
Creating a virtualenv for this project...
Pipfile: /usr/dog/flask_web/flask-test1/Pipfile
Using default python from /usr/bin/python3 (3.9.18) to create virtualenv...
⠦ Creating virtual environment...created virtual environment CPython3.9.18.final.0-64 in 423ms
  creator CPython3Posix(dest=/usr/dog/.local/share/virtualenvs/flask-test1-VWpTGuDs, clear=False, no_vcs_ignore=False, global=False)
  seeder FromAppData(download=False, pip=bundle, setuptools=bundle, wheel=bundle, via=copy, app_data_dir=/usr/dog/.local/share/virtualenv)
    added seed packages: pip==24.0, setuptools==69.1.0, wheel==0.42.0
  activators BashActivator,CShellActivator,FishActivator,NushellActivator,PowerShellActivator,PythonActivator

✔ Successfully created virtual environment!
Virtualenv location: /usr/dog/.local/share/virtualenvs/flask-test1-VWpTGuDs
Creating a Pipfile for this project...
Pipfile.lock not found, creating...
Locking [packages] dependencies...
Locking [dev-packages] dependencies...
Updated Pipfile.lock (a36a5392bb1e8bbc06bfaa0761e52593cf2d83b486696bf54667ba8da616c839)!
Installing dependencies from Pipfile.lock (16c839)...
To activate this project's virtualenv, run pipenv shell.
Alternatively, run a command inside the virtualenv with pipenv run.
3.激活虚拟环境
[ flask-test1]$ pipenv shell
Launching subshell in virtual environment...
[dog@iZfkm309huj7srZ flask-test1]$  . /usr/dog/.local/share/virtualenvs/flask-test1-VWpTGuDs/bin/activate
(flask-test1) [ flask-test1]$ pip list
Package    Version
---------- -------
pip        24.0
setuptools 69.1.0
wheel      0.42.0
4.退出虚拟环境
(flask-test1) [ flask-test1]$ exit
exit
[ flask-test1]$ pipenv -h
Usage: pipenv [OPTIONS] COMMAND [ARGS]...

Options:
  --where                         Output project home information.
  --venv                          Output virtualenv information.
  --py                            Output Python interpreter information.
  --envs                          Output Environment Variable options.
  --rm                            Remove the virtualenv.
  --bare                          Minimal output.
  --man                           Display manpage.
  --support                       Output diagnostic information for use in
                                  GitHub issues.
  --site-packages / --no-site-packages
                                  Enable site-packages for the virtualenv.
                                  [env var: PIPENV_SITE_PACKAGES]
  --python TEXT                   Specify which version of Python virtualenv
                                  should use.
  --clear                         Clears caches (pipenv, pip).  [env var:
                                  PIPENV_CLEAR]
  -q, --quiet                     Quiet mode.
  -v, --verbose                   Verbose mode.
  --pypi-mirror TEXT              Specify a PyPI mirror.
  --version                       Show the version and exit.
  -h, --help                      Show this message and exit.


Usage Examples:
   Create a new project using Python 3.7, specifically:
   $ pipenv --python 3.7

   Remove project virtualenv (inferred from current directory):
   $ pipenv --rm

   Install all dependencies for a project (including dev):
   $ pipenv install --dev

   Create a lockfile containing pre-releases:
   $ pipenv lock --pre

   Show a graph of your installed dependencies:
   $ pipenv graph

   Check your installed dependencies for security vulnerabilities:
   $ pipenv check

   Install a local setup.py into your virtual environment/Pipfile:
   $ pipenv install -e .

   Use a lower-level pip command:
   $ pipenv run pip freeze

Commands:
  check         Checks for PyUp Safety security vulnerabilities and against
                PEP 508 markers provided in Pipfile.
  clean         Uninstalls all packages not specified in Pipfile.lock.
  graph         Displays currently-installed dependency graph information.
  install       Installs provided packages and adds them to Pipfile, or (if no
                packages are given), installs all packages from Pipfile.
  lock          Generates Pipfile.lock.
  open          View a given module in your editor.
  requirements  Generate a requirements.txt from Pipfile.lock.
  run           Spawns a command installed into the virtualenv.
  scripts       Lists scripts in current environment config.
  shell         Spawns a shell within the virtualenv.
  sync          Installs all packages specified in Pipfile.lock.
  uninstall     Uninstalls a provided package and removes it from Pipfile.
  update        Runs lock, then sync.
  upgrade       Resolves provided packages and adds them to Pipfile, or (if no
                packages are given), merges results to Pipfile.lock
  verify        Verify the hash in Pipfile.lock is up-to-date.