Category-based package installation

[zurgeg]

Be sure to check the existing issues (both open and closed!), and make sure you are running the latest version of Pipenv.

Check the diagnose documentation for common issues and the PEEP list before posting! We may close your issue if it is very similar to one of them. Please be considerate and follow the PEEP process, or be on your way.

Make sure to mention your debugging experience if the documented solution failed.

Is your feature request related to a problem? Please describe.

Not really. However, I guess it is.
Pipenv currently only allows for two "categories" of packages: [packages] and [dev-packages].
I would like the ability to add custom categories to Pipenv.

Describe the solution you'd like

The ability to create new "categories". For instance, maybe a command like pipenv install --category deployment <package> to install a package into [deployment-packages], and then something like pipenv install --all to install all packages, no matter what category they are in, and then something like pipenv install --category deployment, to install all [packages], and all [deployment-packages]. Alternatively, you could keep it similar to the way [dev-packages]:

• pipenv install --deployment <package> to install a package to the deployment category
• pipenv install --deployment to install all [packages], and all [deployment-packages]
• pipenv install --all to install all packages

Describe alternatives you've considered

There are no good alternatives in my opinion, I have considered having multiple Pipfiles, but that doesn't work very well and is tedious, and hard to collaborate when you do that.

Additional context

None needed

---

Please run $ pipenv --support, and paste the results here. Don't put backticks (`) around it! The output already contains Markdown formatting.

If you're on macOS, run the following:

$ pipenv --support | pbcopy

If you're on Windows, run the following:

> pipenv --support | clip

If you're on Linux, run the following:

$ pipenv --support | xclip

$ pipenv --support

Pipenv version: '2021.5.29'

Pipenv location: 'c:\\users\\zurge\\appdata\\local\\programs\\python\\python37-32\\lib\\site-packages\\pipenv'

Python location: 'c:\\users\\zurge\\appdata\\local\\programs\\python\\python37-32\\python.exe'

Python installations found:

• 3.9.6: D:\Python\python.exe
• 3.7.8: C:\Users\zurgE\AppData\Local\Programs\Python\Python37\python.exe
• 3.7.4: C:\Users\zurgE\AppData\Local\Programs\Python\Python37-32\python.exe
• 3.8.3: C:\Users\zurgE\anaconda3\python.exe

PEP 508 Information:

{'implementation_name': 'cpython',
 'implementation_version': '3.7.4',
 'os_name': 'nt',
 'platform_machine': 'AMD64',
 'platform_python_implementation': 'CPython',
 'platform_release': '10',
 'platform_system': 'Windows',
 'platform_version': '10.0.19041',
 'python_full_version': '3.7.4',
 'python_version': '3.7',
 'sys_platform': 'win32'}

System environment variables:

• ALLUSERSPROFILE
• APPDATA
• ASL.LOG
• AZ_ENABLED
• CAMLIBS
• CHROME_CRASHPAD_PIPE_NAME
• COMMONPROGRAMFILES
• COMMONPROGRAMFILES(X86)
• COMMONPROGRAMW6432
• COMPUTERNAME
• COMSPEC
• DEVKITARM
• DEVKITPPC
• DEVKITPRO
• DRIVERDATA
• GOPATH
• HAXEPATH
• HOMEDRIVE
• HOMEPATH
• IOLIBS
• JAVA_HOME
• LOCALAPPDATA
• LOGONSERVER
• MAGICK_HOME
• NEKO_INSTPATH
• NUMBER_OF_PROCESSORS
• OCULUSBASE
• ONEDRIVE
• ONEDRIVECONSUMER
• ORIGINAL_XDG_CURRENT_DESKTOP
• OS
• PATH
• PATHEXT
• POSH_GIT_STATUS
• POWERSHELL_DISTRIBUTION_CHANNEL
• PROCESSOR_ARCHITECTURE
• PROCESSOR_ARCHITEW6432
• PROCESSOR_IDENTIFIER
• PROCESSOR_LEVEL
• PROCESSOR_REVISION
• PROGRAMDATA
• PROGRAMFILES
• PROGRAMFILES(X86)
• PROGRAMW6432
• PSMODULEPATH
• PUBLIC
• SESSIONNAME
• SOURCESDK
• SYSTEMDRIVE
• SYSTEMROOT
• TEMP
• TMP
• USERDOMAIN
• USERDOMAIN_ROAMINGPROFILE
• USERNAME
• USERPROFILE
• VPROJECT
• WINDIR
• TERM_PROGRAM
• TERM_PROGRAM_VERSION
• LANG
• COLORTERM
• VSCODE_GIT_IPC_HANDLE
• GIT_ASKPASS
• VSCODE_GIT_ASKPASS_NODE
• VSCODE_GIT_ASKPASS_MAIN
• PIP_DISABLE_PIP_VERSION_CHECK
• PYTHONDONTWRITEBYTECODE
• PIP_SHIMS_BASE_MODULE
• PIP_PYTHON_PATH
• PYTHONFINDER_IGNORE_UNSUPPORTED

Pipenv–specific environment variables:

Debug–specific environment variables:

• PATH: c:\users\zurge\appdata\local\programs\python\python37-32\lib\site-packages\pywin32_system32;C:\Program Files\PowerShell\7;C:\Users\zurgE\AppData\Local\Programs\Python\Python37-32\Scripts\;C:\Users\zurgE\AppData\Local\Programs\Python\Python37-32\;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Common Files\Oracle\Java\javapath;C:\Program Files (x86)\Razer Chroma SDK\bin;C:\Program Files\Razer Chroma SDK\bin;C:\Program Files\Oculus\Support\oculus-runtime;C:\Program Files (x86)\Razer\ChromaBroadcast\bin;C:\Program Files\Razer\ChromaBroadcast\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Windows\System32\OpenSSH\;C:\Program Files\dotnet\;C:\Program Files\Microsoft SQL Server\130\Tools\Binn\;C:\Program Files\Microsoft SQL Server\Client SDK\ODBC\170\Tools\Binn\;C:\Program Files\nodejs\;C:\Users\zurgE\AppData\Local\Microsoft\WindowsApps;C:\Users\zurgE\.dotnet\tools;C:\Program Files (x86)\Brackets\command;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\WINDOWS\System32\OpenSSH\;C:\HaxeToolkit\haxe;C:\HaxeToolkit\neko;C:\Program Files\Git\cmd;C:\Program Files\Go\bin;C:\Users\zurgE\OneDrive\Documents\pypy3.7-v7.3.4-win64;C:\Program Files\PowerShell\7\;C:\msys64\mingw64\bin;C:\Users\zurgE\OneDrive\Documents\Flutter\bin;C:\Program Files\Docker\Docker\resources\bin;C:\ProgramData\DockerDesktop\version-bin;C:\Users\zurgE\AppData\Local\Programs\Python\Python37-32\Scripts\;C:\Users\zurgE\AppData\Local\Programs\Python\Python37-32\;D:\Programs\Conan\conan;C:\Users\zurgE\AppData\Local\Microsoft\WindowsApps;C:\Users\zurgE\AppData\Roaming\npm;C:\Users\zurgE\AppData\Local\GitHubDesktop\bin;C:\Users\zurgE\AppData\Local\Programs\Microsoft VS Code\bin;C:\Users\zurgE\go\bin;C:\Users\zurgE\OneDrive\Documents\Flutter\bin;D:\Python\Scripts\;D:\Python\;C:\Users\zurgE\.dotnet\tools
• LANG: en_US.UTF-8

---

Contents of Pipfile ('C:\Users\zurgE\OneDrive\Documents\cookie-bot\Pipfile'):

[[source]]
url = "https://pypi.org/simple"
verify_ssl = true
name = "pypi"

[packages]
"discord.py" = "*"
discord-py-slash-command = "*"
sqlalchemy = "*"
alembic = "*"

[dev-packages]

[requires]
python_version = "3.9"

Contents of Pipfile.lock ('C:\Users\zurgE\OneDrive\Documents\cookie-bot\Pipfile.lock'):

{
    "_meta": {
        "hash": {
            "sha256": "6008a59a692f672c31344e04d5a3b6c05716844d64284f0aa777244876928111"
        },
        "pipfile-spec": 6,
        "requires": {
            "python_version": "3.9"
        },
        "sources": [
            {
                "name": "pypi",
                "url": "https://pypi.org/simple",
                "verify_ssl": true
            }
        ]
    },
    "default": {
        "aiohttp": {
            "hashes": [
                "sha256:02f46fc0e3c5ac58b80d4d56eb0a7c7d97fcef69ace9326289fb9f1955e65cfe",
                "sha256:0563c1b3826945eecd62186f3f5c7d31abb7391fedc893b7e2b26303b5a9f3fe",
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                "sha256:fe60131d21b31fd1a14bd43e6bb88256f69dfc3188b3a89d736d6c71ed43ec95"
            ],
            "markers": "python_version >= '3.6'",
            "version": "==3.7.4.post0"
        },
        "alembic": {
            "hashes": [
                "sha256:a21fedebb3fb8f6bbbba51a11114f08c78709377051384c9c5ead5705ee93a51",
                "sha256:e78be5b919f5bb184e3e0e2dd1ca986f2362e29a2bc933c446fe89f39dbe4e9c"
            ],
            "index": "pypi",
            "version": "==1.6.5"
        },
        "async-timeout": {
            "hashes": [
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            ],
            "markers": "python_full_version >= '3.5.3'",
            "version": "==3.0.1"
        },
        "attrs": {
            "hashes": [
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            ],
            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
            "version": "==21.2.0"
        },
        "chardet": {
            "hashes": [
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            "version": "==4.0.0"
        },
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            ],
            "index": "pypi",
            "version": "==2.3.2"
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        "discord.py": {
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            "index": "pypi",
            "version": "==1.7.3"
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        "greenlet": {
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            ],
            "markers": "python_version >= '3'",
            "version": "==1.1.0"
        },
        "idna": {
            "hashes": [
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            ],
            "markers": "python_version >= '3.5'",
            "version": "==3.2"
        },
        "mako": {
            "hashes": [
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            ],
            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
            "version": "==1.1.4"
        },
        "markupsafe": {
            "hashes": [
                "sha256:01a9b8ea66f1658938f65b93a85ebe8bc016e6769611be228d797c9d998dd298",
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[matteius]

One thing we will have to be particularly careful about, because having just two categories of dev and packages is that constraints of packages have to be supplied when resolving dev to prevent incompatibilities between the default and dev groups. Supporting multiple categories begs the question of what groups should constrain other groups -- maybe it is only the default group that should constraint other groups?

[igorlg]

Cross-posting from #726

Just to contribute with the discussion, I have a scenario where >2 groups would be useful:

I'm working on a project that's entirely backed by AWS Lambda functions. The code is structured as a SAM project; one application - in one Git repository - composed of multiple Lambda functions, like so:

application
├── .git/
├── Pipfile
├── Pipfile.lock
├── lambda_function_a/
│   ├── __init__.py
│   ├── app.py
├── lambda_function_b/
│   ├── __init__.py
│   ├── app.py
├── [...]
├── template.yaml
└── tests/
[...]

Each Lambda function is packaged and deployed independently, and they each have their own dependencies. Currently, I'm specifying all dependencies in the main Pipfile, which means each function gets packaged with all dependencies of all other functions. This is not a huge problem, but it would be neat if we could either specify one dependency group for each lambda_function_X...

[matteius]

I believe this feature is going to be important to preventing issues like #5344 where one package's setup.py depends on another package already being installed and available. I believe this used to happen based on luck with the sequential installs, but now it is more problematic as the single install phase will not get this lucky.

The solution may very well be to support named categories, so some prerequisite packages can be installed ahead of time by specifying the order in which categories should be installed. For example say I have prereq default and dev but I want to only install preq and default, perhaps I could specifying pipenv sync --categories prereq default and it does them in the order specified, and in this example does not install the dev dependencies.

[matteius]

I began working on this: https://github.com/pypa/pipenv/tree/named-categories

Planning on opening a PR for Hacktoberfest.

[matteius]

Update provided: #5344 (comment)