Pipenv
D:\work> pip install pipenv
Collecting pipenv
Using cached pipenv-2020.8.13-py2.py3-none-any.whl (3.9 MB)
Requirement already satisfied: pip>=18.0 in c:\users\username\appdata\local\programs\python\python38\lib\site-packages (from pipenv) (20.2.3)
Requirement already satisfied: certifi in c:\users\username\appdata\local\programs\python\python38\lib\site-packages (from pipenv) (2020.6.20)
Requirement already satisfied: setuptools>=36.2.1 in c:\users\username\appdata\local\programs\python\python38\lib\site-packages (from pipenv) (41.2.0)
Requirement already satisfied: virtualenv in c:\users\username\appdata\local\programs\python\python38\lib\site-packages (from pipenv) (20.0.33)
Requirement already satisfied: virtualenv-clone>=0.2.5 in c:\users\username\appdata\local\programs\python\python38\lib\site-packages (from pipenv) (0.5.4)
Requirement already satisfied: filelock<4,>=3.0.0 in c:\users\username\appdata\local\programs\python\python38\lib\site-packages (from virtualenv->pipenv) (3.0.12)
Requirement already satisfied: distlib<1,>=0.3.1 in c:\users\username\appdata\local\programs\python\python38\lib\site-packages (from virtualenv->pipenv) (0.3.1)
Requirement already satisfied: appdirs<2,>=1.4.3 in c:\users\username\appdata\local\programs\python\python38\lib\site-packages (from virtualenv->pipenv) (1.4.4)
Requirement already satisfied: six<2,>=1.9.0 in c:\users\username\appdata\local\programs\python\python38\lib\site-packages (from virtualenv->pipenv) (1.15.0)
Installing collected packages: pipenv
Successfully installed pipenv-2020.8.13
Installation confirmation
D:\work> 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 executed by the
shell).
--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.
--three / --two Use Python 3/2 when creating virtualenv.
--clear Clears caches (pipenv, pip, and pip-tools).
[env var: PIPENV_CLEAR]
-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.
run Spawns a command installed into the virtualenv.
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.
D:\work> mkdir mytestenv
directory: D:\work
Mode LastWriteTime Length Name
---- ------------- ------ ----
d----- 2020/10/07 18:55 mytestenv
D:\work> cd mytestenv
D:\work\mytestenv> pipenv install
Creating a virtualenv for this project…
Pipfile: D:\work\mytestenv\Pipfile
Using C:/Users/username/AppData/Local/Programs/Python/Python38/python.exe (3.8.2) to create virtualenv…
[=== ] Creating virtual environment...created virtual environment CPython3.8.2.final.0-64 in 4929ms
creator CPython3Windows(dest=C:\Users\username\.virtualenvs\mytestenv-1lNwFUaT, clear=False, global=False)
seeder FromAppData(download=False, pip=bundle, setuptools=bundle, wheel=bundle, via=copy, app_data_dir=C:\Users\username\AppData\Local\pypa\virtualenv)
added seed packages: pip==20.2.3, setuptools==50.3.0, wheel==0.35.1
activators BashActivator,BatchActivator,FishActivator,PowerShellActivator,PythonActivator,XonshActivator
Successfully created virtual environment!
Virtualenv location: C:\Users\username\.virtualenvs\mytestenv-1lNwFUaT
Creating a Pipfile for this project…
Pipfile.lock not found, creating…
Locking [dev-packages] dependencies…
Locking [packages] dependencies…
Updated Pipfile.lock (db4242)!
Installing dependencies from Pipfile.lock (db4242)…
================================ 0/0 - 00:00:00
To activate this project's virtualenv, run pipenv shell.
Alternatively, run a command inside the virtualenv with pipenv run.
PS D:\work\mytestenv> pipenv shell
Switched state
Launching subshell in virtual environment…
Windows PowerShell
Copyright (C) Microsoft Corporation. All rights reserved.
Try the new cross-platform PowerShell https://aka.ms/pscore6
PS D:\work\mytestenv>
Add library to try
D:\work\mytestenv> pip list
Package Version
---------- -------
pip 20.2.3
setuptools 50.3.0
wheel 0.35.1
D:\work\mytestenv> pip install numpy
Collecting numpy
Using cached numpy-1.19.2-cp38-cp38-win_amd64.whl (13.0 MB)
Installing collected packages: numpy
Successfully installed numpy-1.19.2
D:\work\mytestenv> pip list
Package Version
---------- -------
numpy 1.19.2
pip 20.2.3
setuptools 50.3.0
wheel 0.35.1
Return from virtual environment
D:\work\mytestenv>exit ・ ・ ・ You can go back with this
D:\work\mytestenv>pip list ・ ・ ・ Check if you really returned
Package Version
-------------------------------- ---------
appdirs 1.4.4
asgiref 3.2.7
blinker 1.4
(abridgement)
The python version switch still looks like you have to install another version of python on your machine, so next time.
It seems to do this.
pipenv --python 3.6
pipenv --python 2.7.14
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