def get_package_info()

in scripts/elf_ubuntu_dependency_analyzer.py [0:0]

• 33 lines of code
• 6 McCabe index (conditional complexity)

def get_package_info(lib_path):
    """
    Get package information for a given library path.

    Args:
    lib_path (str): The path to the library.

    Returns:
    tuple: A tuple containing the package name and full package information.
    """
    if lib_path.startswith('/usr/local/cloudberry-db'):
        return "cloudberry-custom", f"Cloudberry custom library: {lib_path}"

    dpkg_output = run_command(['dpkg', '-S', lib_path])
    if dpkg_output:
        package_name = dpkg_output.split(':')[0]
        return package_name, dpkg_output.strip()

    # List of core system libraries that might not be individually tracked by dpkg
    core_libs = {
        'libc.so': 'libc6',
        'libm.so': 'libc6',
        'libdl.so': 'libc6',
        'libpthread.so': 'libc6',
        'libresolv.so': 'libc6',
        'librt.so': 'libc6',
        'libgcc_s.so': 'libgcc-s1',
        'libstdc++.so': 'libstdc++6',
        'libz.so': 'zlib1g',
        'libbz2.so': 'libbz2-1.0',
        'libpam.so': 'libpam0g',
        'libaudit.so': 'libaudit1',
        'libcap-ng.so': 'libcap-ng0',
        'libkeyutils.so': 'libkeyutils1',
        'liblzma.so': 'liblzma5',
        'libcom_err.so': 'libcomerr2'
    }

    lib_name = os.path.basename(lib_path)
    for core_lib, package in core_libs.items():
        if lib_name.startswith(core_lib):
            return package, f"Core system library: {lib_path}"

    # If not a recognized core library, return as system library
    file_output = run_command(['file', lib_path])
    if file_output:
        return "system-library", f"System library: {lib_path} - {file_output.strip()}"

    return None