Implementation:Mlflow Mlflow Install Binary Tools

Knowledge Sources	Mlflow_Mlflow
Domains	DevTools, Build
Last Updated	2026-02-13 20:00 GMT

Overview

Downloads and installs binary development tools (taplo, typos, conftest, regal, buf, rg) needed for MLflow development to the bin/ directory.

Description

This script provides a single-command mechanism for installing all binary development dependencies required by the MLflow project. It defines a Tool dataclass that encapsulates each tool's name, version, and platform-specific download URLs for Linux x86_64 and macOS ARM64. The script downloads each binary from GitHub releases, extracts it from gzip, tar, or raw binary format depending on the URL, makes it executable, and verifies installation by running the tool's version command.

Installed versions are tracked in a .installed_versions.json file within the bin/ directory, enabling incremental updates: tools are only reinstalled when their configured version changes. The script also supports forced reinstallation via the -f / --force-reinstall flag, and selective installation by specifying individual tool names on the command line.

The download mechanism includes retry logic with exponential backoff for transient HTTP errors (502, 503, 504), making it resilient to temporary network issues.

Usage

Run this script to set up or update binary development tools for MLflow. It is typically invoked during initial environment setup or when tool versions are bumped in the repository. It is also called by pre-commit hooks to ensure tools are available.

Code Reference

Source Location

• Repository: Mlflow_Mlflow
• File: bin/install.py
• Lines: 1-339

Signature

@dataclass
class Tool:
    name: str
    version: str
    urls: dict[PlatformKey, str]
    version_args: list[str] | None = None

    def get_url(self, platform_key: PlatformKey) -> str | None: ...
    def get_version_args(self) -> list[str]: ...
    def get_extract_type(self, url: str) -> ExtractType: ...

def get_platform_key() -> PlatformKey | None: ...
def urlopen_with_retry(url: str, max_retries: int = 5, base_delay: float = 1.0) -> http.client.HTTPResponse: ...
def extract_gzip_from_url(url: str, dest_dir: Path, binary_name: str) -> Path: ...
def extract_tar_from_url(url: str, dest_dir: Path, binary_name: str) -> Path: ...
def download_binary_from_url(url: str, dest_dir: Path, binary_name: str) -> Path: ...
def install_tool(tool: Tool, dest_dir: Path, force: bool = False) -> None: ...
def load_installed_versions(dest_dir: Path) -> dict[str, str]: ...
def save_installed_versions(dest_dir: Path, versions: dict[str, str]) -> None: ...
def main() -> None: ...

Import

# Run from repository root
python bin/install.py

# Force reinstall all tools
python bin/install.py --force-reinstall

# Install specific tools only
python bin/install.py taplo typos

I/O Contract

Inputs

Name	Type	Required	Description
tools	positional args	No	Specific tool names to install (default: all). Available: taplo, typos, conftest, regal, buf, rg
-f / --force-reinstall	flag	No	Force reinstall by removing existing tools before downloading

Outputs

Name	Type	Description
Binary files	Files	Executable binaries placed in the bin/ directory
.installed_versions.json	JSON file	Tracks which versions of each tool are currently installed

Usage Examples

Basic Usage

# Install all development tools
python bin/install.py

# Install only taplo and typos
python bin/install.py taplo typos

# Force reinstall everything
python bin/install.py -f

Related Pages

• Environment:Mlflow_Mlflow_Python_Runtime_Environment