`PIP_INDEX_URL` does not work when `pipenv install` directly against `Pipfile`

[huxuan]

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Issue description

When running pipenv install -v (with Pipfile exists in the same directory and no specific packages), seems PIP_INDEX_URL and PIP_EXTRA_INDEX_URL will not take effects, but pipenv install -v [specific-package] seems to work.

P.S. Setting PIPENV_PYPI_MIRROR overrides the behavior but might not be a fix to this bug I think.

Expected result

$ ['/root/.local/share/virtualenvs/-x-v5uFv0/bin/pip', 'install', '--verbose', '--upgrade', '--exists-action=i', '-r', '/tmp/pipenv-y1y1ullx-requirements/pipenv-xwj6d0w7-requirement.txt', '-i', '<customized_pypi_mirror>', '--extra-index-url', 'https://pypi.org/simple']

Actual result

$ ['/root/.local/share/virtualenvs/-x-v5uFv0/bin/pip', 'install', '--verbose', '--upgrade', '--require-hashes', '--no-deps', '--exists-action=i', '-r', '/tmp/pipenv-xgumh48f-requirements/pipenv-n4appqla-requirement.txt', '-i', 'https://pypi.org/simple']

Steps to replicate

Provide the steps to replicate (which usually at least includes the commands and the Pipfile).

The Pipfile

[dev-packages]

[packages]
requests = "*"

[requires]
python_version = "3.9"

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

Run in python docker container for example

docker pull python:3.9
docker run --rm -it --entrypoint bash -v <path/to/Pipfile>:/Pipfile python:3.9

Commands inside the container

export PIP_INDEX_URL=<customized_pypi_mirror>
pip install pipenv # Install pipenv from <customized_pypi_mirror>
pipenv install -v # This only installs from pypi.org
pipenv --rm # Clean
pipenv install -v requests # This installs from the specified <customized_pypi_mirror>

---

$ pipenv --support

Pipenv version: '2021.5.29'

Pipenv location: '/usr/local/lib/python3.9/site-packages/pipenv'

Python location: '/usr/local/bin/python'

Python installations found:

• 3.9.7: /usr/local/bin/python3.9
• 3.9.7: /usr/local/bin/python3
• 3.9.2: /usr/bin/python3.9
• 3.9.2: /usr/bin/python3

PEP 508 Information:

{'implementation_name': 'cpython',
 'implementation_version': '3.9.7',
 'os_name': 'posix',
 'platform_machine': 'x86_64',
 'platform_python_implementation': 'CPython',
 'platform_release': '5.10.47-linuxkit',
 'platform_system': 'Linux',
 'platform_version': '#1 SMP Sat Jul 3 21:51:47 UTC 2021',
 'python_full_version': '3.9.7',
 'python_version': '3.9',
 'sys_platform': 'linux'}

System environment variables:

• HOSTNAME
• PYTHON_VERSION
• PWD
• PYTHON_SETUPTOOLS_VERSION
• HOME
• LANG
• PIP_EXTRA_INDEX_URL
• GPG_KEY
• TERM
• SHLVL
• PYTHON_PIP_VERSION
• PYTHON_GET_PIP_SHA256
• PYTHON_GET_PIP_URL
• PATH
• _
• 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: /usr/local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
• LANG: C.UTF-8
• PWD: /

---

Contents of Pipfile ('/Pipfile'):

[dev-packages]

[packages]
requests = "*"

[requires]
python_version = "3.9"

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

Contents of Pipfile.lock ('/Pipfile.lock'):

{
    "_meta": {
        "hash": {
            "sha256": "b8c2e1580c53e383cfe4254c1f16560b855d984fde8b2beb3bf6ee8fc2fe5a22"
        },
        "pipfile-spec": 6,
        "requires": {
            "python_version": "3.9"
        },
        "sources": [
            {
                "name": "pypi",
                "url": "https://pypi.org/simple",
                "verify_ssl": true
            }
        ]
    },
    "default": {
        "certifi": {
            "hashes": [
                "sha256:78884e7c1d4b00ce3cea67b44566851c4343c120abd683433ce934a68ea58872",
                "sha256:d62a0163eb4c2344ac042ab2bdf75399a71a2d8c7d47eac2e2ee91b9d6339569"
            ],
            "version": "==2021.10.8"
        },
        "charset-normalizer": {
            "hashes": [
                "sha256:e019de665e2bcf9c2b64e2e5aa025fa991da8720daa3c1138cadd2fd1856aed0",
                "sha256:f7af805c321bfa1ce6714c51f254e0d5bb5e5834039bc17db7ebe3a4cec9492b"
            ],
            "markers": "python_version >= '3'",
            "version": "==2.0.7"
        },
        "idna": {
            "hashes": [
                "sha256:84d9dd047ffa80596e0f246e2eab0b391788b0503584e8945f2368256d2735ff",
                "sha256:9d643ff0a55b762d5cdb124b8eaa99c66322e2157b69160bc32796e824360e6d"
            ],
            "markers": "python_version >= '3'",
            "version": "==3.3"
        },
        "requests": {
            "hashes": [
                "sha256:6c1246513ecd5ecd4528a0906f910e8f0f9c6b8ec72030dc9fd154dc1a6efd24",
                "sha256:b8aa58f8cf793ffd8782d3d8cb19e66ef36f7aba4353eec859e74678b01b07a7"
            ],
            "index": "pypi",
            "version": "==2.26.0"
        },
        "urllib3": {
            "hashes": [
                "sha256:4987c65554f7a2dbf30c18fd48778ef124af6fab771a377103da0585e2336ece",
                "sha256:c4fdf4019605b6e5423637e01bc9fe4daef873709a7973e195ceba0a62bbc844"
            ],
            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'",
            "version": "==1.26.7"
        }
    },
    "develop": {}
}

[matteius]

@huxuan This feels like a duplicate request of #3920 Edit: Ok well similar but different, since that request wants to support a variable that defaults to something within the Pipfile and this is concerned with just the variable PIP_INDEX_URL

There is also another issue where @frostming talks about the difficulty in supporting the PIP_ environment variables: #4453 (comment)

[matteius]

@huxuan I believe with the completion of Index Restricted Packages that this ticket should be resolved. Please see the updated documentation around specifying package indexes: https://pipenv.pypa.io/en/latest/advanced/#specifying-package-indexes

Feel free to comment back with any question or clarifying request.

[matteius]

I perhaps misunderstood this issue prior, or well it at least relates to a PR I started working on: #5297

[matteius]

pipenv==2023.2.18 has been released with support for reading index information from pip.conf or pip.ini