pipenv简单使用
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利用pipenv创建虚拟环境进行开发
安装
pip install pipenv
使用，进入开发项目的文件夹
创建虚拟环境
pipenv install
进入虚拟环境
pipenv shell（无虚拟环境会自动创建）
虚拟环境可以使用pip 安装包
pip list
github上的使用指南
Usage $ pipenv 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. --completion Output completion (to be eval‘d). --man Display manpage. --three / --two Use Python 3/2 when creating virtualenv. --python TEXT Specify which version of Python virtualenv should use. --site-packages Enable site-packages for the virtualenv. --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 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 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 none is given), installs all packages. lock Generates Pipfile.lock. open View a given module in your editor. run Spawns a command installed into the virtualenv. shell Spawns a shell within the virtualenv. sync Installs all packages specified in Pipfile.lock. uninstall Un-installs a provided package and removes it from Pipfile. Locate the project: $ pipenv --where /Users/kennethreitz/Library/Mobile Documents/com~apple~CloudDocs/repos/kr/pipenv/test Locate the virtualenv: $ pipenv --venv /Users/kennethreitz/.local/share/virtualenvs/test-Skyy4vre Locate the Python interpreter: $ pipenv --py /Users/kennethreitz/.local/share/virtualenvs/test-Skyy4vre/bin/python Install packages: $ pipenv install Creating a virtualenv for this project... ... No package provided, installing all dependencies. Virtualenv location: /Users/kennethreitz/.local/share/virtualenvs/test-EJkjoYts Installing dependencies from Pipfile.lock... ... To activate this project‘s virtualenv, run the following: $ pipenv shell Install a dev dependency: $ pipenv install pytest --dev Installing pytest... ... Adding pytest to Pipfile‘s [dev-packages]... Show a dependency graph: $ pipenv graph requests==2.18.4 - certifi [required: >=2017.4.17, installed: 2017.7.27.1] - chardet [required: >=3.0.2,<3.1.0, installed: 3.0.4] - idna [required: >=2.5,<2.7, installed: 2.6] - urllib3 [required: <1.23,>=1.21.1, installed: 1.22] Generate a lockfile: $ pipenv lock Assuring all dependencies from Pipfile are installed... Locking [dev-packages] dependencies... Locking [packages] dependencies... Note: your project now has only default [packages] installed. To install [dev-packages], run: $ pipenv install --dev Install all dev dependencies: $ pipenv install --dev Pipfile found at /Users/kennethreitz/repos/kr/pip2/test/Pipfile. Considering this to be the project home. Pipfile.lock out of date, updating... Assuring all dependencies from Pipfile are installed... Locking [dev-packages] dependencies... Locking [packages] dependencies... Uninstall everything: $ pipenv uninstall --all No package provided, un-installing all dependencies. Found 25 installed package(s), purging... ... Environment now purged and fresh! Use the shell: $ pipenv shell Loading .env environment variables… Launching subshell in virtual environment. Type ‘exit‘ or ‘Ctrl+D‘ to return.
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