pdm list --resolve produces redundant spinner output

[BlueGlassBlock]

• I have searched the issue tracker and believe that this is not a duplicate.

Make sure you run commands with -v flag before pasting the output.

Steps to reproduce

take pdm repo for example.
pdm list --resolve --json >> ./out.json

Actual behavior

File: out.json

The following extra lines are added to the output.

STATUS: Resolving packages from lockfile...
STATUS: Fetching hashes for resolved packages...

STATUS: Resolving packages from lockfile...
STATUS: Fetching hashes for resolved packages...
[
    {
        "name": "installer",
        "version": "0.6.0",
        "location": ""
    },
    {
        "name": "packaging",
        "version": "23.0",
        "location": ""
    },
    {
        "name": "pdm-pep517",
        "version": "1.0.6",
        "location": ""
    },
    {
        "name": "resolvelib",
        "version": "0.9.0",
        "location": ""
    },
    {
        "name": "tomlkit",
        "version": "0.11.6",
        "location": ""
    },
    {
        "name": "findpython",
        "version": "0.2.2",
        "location": ""
    },
    {
        "name": "markdown-exec",
        "version": "1.0.0",
        "location": ""
    },
    {
        "name": "markdown-include",
        "version": "0.8.0",
        "location": ""
    },
    {
        "name": "mike",
        "version": "1.1.2",
        "location": ""
    },
    {
        "name": "mkdocs",
        "version": "1.4.2",
        "location": ""
    },
    {
        "name": "mkdocs-material",
        "version": "9.0.4",
        "location": ""
    },
    {
        "name": "parver",
        "version": "0.4",
        "location": ""
    },
    {
        "name": "pycomplete",
        "version": "0.3.2",
        "location": ""
    },
    {
        "name": "pytest-rerunfailures",
        "version": "11.0",
        "location": ""
    },
    {
        "name": "pytest",
        "version": "7.2.0",
        "location": ""
    },
    {
        "name": "tomli",
        "version": "2.0.1",
        "location": ""
    },
    {
        "name": "pytest-xdist",
        "version": "3.1.0",
        "location": ""
    },
    {
        "name": "python-dotenv",
        "version": "0.21.0",
        "location": ""
    },
    {
        "name": "rich",
        "version": "13.0.1",
        "location": ""
    },
    {
        "name": "setuptools",
        "version": "65.7.0",
        "location": ""
    },
    {
        "name": "shellingham",
        "version": "1.5.0.post1",
        "location": ""
    },
    {
        "name": "towncrier",
        "version": "22.12.0",
        "location": ""
    },
    {
        "name": "tox-pdm",
        "version": "0.6.1",
        "location": ""
    },
    {
        "name": "tox",
        "version": "4.2.8",
        "location": ""
    },
    {
        "name": "virtualenv",
        "version": "20.17.1",
        "location": ""
    },
    {
        "name": "platformdirs",
        "version": "2.6.2",
        "location": ""
    },
    {
        "name": "unearth",
        "version": "0.7.2",
        "location": ""
    },
    {
        "name": "blinker",
        "version": "1.5",
        "location": ""
    },
    {
        "name": "certifi",
        "version": "2022.12.7",
        "location": ""
    },
    {
        "name": "pyproject_hooks",
        "version": "1.0.0",
        "location": ""
    },
    {
        "name": "pytest-cov",
        "version": "4.0.0",
        "location": ""
    },
    {
        "name": "pytest-mock",
        "version": "3.10.0",
        "location": ""
    },
    {
        "name": "requests-toolbelt",
        "version": "0.10.1",
        "location": ""
    },
    {
        "name": "CacheControl",
        "version": "0.12.11",
        "location": ""
    },
    {
        "name": "mkdocstrings",
        "version": "0.19.1",
        "location": ""
    },
    {
        "name": "Markdown",
        "version": "3.3.7",
        "location": ""
    },
    {
        "name": "requests",
        "version": "2.28.1",
        "location": ""
    },
    {
        "name": "colorama",
        "version": "0.4.6",
        "location": ""
    },
    {
        "name": "filelock",
        "version": "3.9.0",
        "location": ""
    },
    {
        "name": "Jinja2",
        "version": "3.1.2",
        "location": ""
    },
    {
        "name": "pluggy",
        "version": "1.0.0",
        "location": ""
    },
    {
        "name": "Pygments",
        "version": "2.14.0",
        "location": ""
    },
    {
        "name": "pymdown-extensions",
        "version": "9.9.1",
        "location": ""
    },
    {
        "name": "attrs",
        "version": "22.2.0",
        "location": ""
    },
    {
        "name": "commonmark",
        "version": "0.9.1",
        "location": ""
    },
    {
        "name": "distlib",
        "version": "0.3.6",
        "location": ""
    },
    {
        "name": "PyYAML",
        "version": "6.0",
        "location": ""
    },
    {
        "name": "Arpeggio",
        "version": "2.0.0",
        "location": ""
    },
    {
        "name": "cachetools",
        "version": "5.2.1",
        "location": ""
    },
    {
        "name": "chardet",
        "version": "5.1.0",
        "location": ""
    },
    {
        "name": "click",
        "version": "8.1.3",
        "location": ""
    },
    {
        "name": "coverage",
        "version": "7.0.5",
        "location": ""
    },
    {
        "name": "exceptiongroup",
        "version": "1.1.0",
        "location": ""
    },
    {
        "name": "execnet",
        "version": "1.9.0",
        "location": ""
    },
    {
        "name": "ghp-import",
        "version": "2.1.0",
        "location": ""
    },
    {
        "name": "lockfile",
        "version": "0.12.2",
        "location": ""
    },
    {
        "name": "mergedeep",
        "version": "1.3.4",
        "location": ""
    },
    {
        "name": "mkdocs-material-extensions",
        "version": "1.1.1",
        "location": ""
    },
    {
        "name": "mkdocstrings-python",
        "version": "0.8.3",
        "location": ""
    },
    {
        "name": "pyproject_api",
        "version": "1.4.0",
        "location": ""
    },
    {
        "name": "pyyaml_env_tag",
        "version": "0.1",
        "location": ""
    },
    {
        "name": "regex",
        "version": "2022.10.31",
        "location": ""
    },
    {
        "name": "watchdog",
        "version": "2.2.1",
        "location": ""
    },
    {
        "name": "click-default-group",
        "version": "1.2.2",
        "location": ""
    },
    {
        "name": "incremental",
        "version": "22.10.0",
        "location": ""
    },
    {
        "name": "iniconfig",
        "version": "2.0.0",
        "location": ""
    },
    {
        "name": "verspec",
        "version": "0.1.0",
        "location": ""
    },
    {
        "name": "charset-normalizer",
        "version": "2.1.1",
        "location": ""
    },
    {
        "name": "idna",
        "version": "3.4",
        "location": ""
    },
    {
        "name": "MarkupSafe",
        "version": "2.1.1",
        "location": ""
    },
    {
        "name": "urllib3",
        "version": "1.26.14",
        "location": ""
    },
    {
        "name": "griffe",
        "version": "0.25.3",
        "location": ""
    },
    {
        "name": "mkdocs-autorefs",
        "version": "0.4.1",
        "location": ""
    },
    {
        "name": "msgpack",
        "version": "1.0.4",
        "location": ""
    },
    {
        "name": "python-dateutil",
        "version": "2.8.2",
        "location": ""
    },
    {
        "name": "six",
        "version": "1.16.0",
        "location": ""
    }
]

Expected behavior

The following lines are not included in the output file.

STATUS: Resolving packages from lockfile...
STATUS: Fetching hashes for resolved packages...

Environment Information

PDM version:
  2.4.0
Python Interpreter:
  E:\PythonProjects\pdm\.venv\Scripts\python.exe (3.10)
Project Root:
  E:/PythonProjects/pdm
Project Packages:
  None
{
  "implementation_name": "cpython",
  "implementation_version": "3.10.8",
  "os_name": "nt",
  "platform_machine": "AMD64",
  "platform_release": "10",
  "platform_system": "Windows",
  "platform_version": "10.0.22621",
  "python_full_version": "3.10.8",
  "platform_python_implementation": "CPython",
  "python_version": "3.10",
  "sys_platform": "win32"
}

Patch

This bug can be solved by suppressing the spinner on stdout, opened by pdm.cli.actions.resolve_candidates_from_lockfile.

Alternatively, adding an --output option to specify target file location is also feasible.