Struct StandaloneDistribution 

pub struct StandaloneDistribution {

    pub base_dir: PathBuf,
    pub target_triple: String,
    pub python_implementation: String,
    pub python_tag: String,
    pub python_abi_tag: Option<String>,
    pub python_platform_tag: String,
    pub version: String,
    pub python_exe: PathBuf,
    pub stdlib_path: PathBuf,
    pub python_symbol_visibility: String,
    pub core_license: Option<LicensedComponent>,
    pub licenses: Option<Vec<String>>,
    pub license_path: Option<PathBuf>,
    pub objs_core: BTreeMap<PathBuf, PathBuf>,
    pub links_core: Vec<LibraryDependency>,
    pub libpython_shared_library: Option<PathBuf>,
    pub extension_modules: BTreeMap<String, PythonExtensionModuleVariants>,
    pub frozen_c: Vec<u8>,
    pub includes: BTreeMap<String, PathBuf>,
    pub libraries: BTreeMap<String, PathBuf>,
    pub py_modules: BTreeMap<String, PathBuf>,
    pub resources: BTreeMap<String, BTreeMap<String, PathBuf>>,
    pub venv_base: PathBuf,
    pub inittab_object: PathBuf,
    pub inittab_cflags: Vec<String>,
    pub cache_tag: String,
    pub crt_features: Vec<String>,
    /* private fields */
}

Represents a standalone Python distribution.

This is a Python distributed produced by the python-build-standalone project. It is derived from a tarball containing a PYTHON.json file describing the distribution.

Fields

base_dir: PathBuf

Directory where distribution lives in the filesystem.

target_triple: String

Rust target triple that this distribution runs on.

python_implementation: String

Python implementation name.

python_tag: String

PEP 425 Python tag value.

python_abi_tag: Option<String>

PEP 425 Python ABI tag.

python_platform_tag: String

PEP 425 Python platform tag.

version: String

Python version string.

python_exe: PathBuf

Path to Python interpreter executable.

stdlib_path: PathBuf

Path to Python standard library.

python_symbol_visibility: String

Symbol visibility for Python symbols.

core_license: Option<LicensedComponent>

Holds license information for the core distribution.

licenses: Option<Vec<String>>

SPDX license shortnames that apply to this distribution.

Licenses only cover the core distribution. Licenses for libraries required by extensions are stored next to the extension’s linking info.

license_path: Option<PathBuf>

Path to file holding license text for this distribution.

objs_core: BTreeMap<PathBuf, PathBuf>

Object files providing the core Python implementation.

Keys are relative paths. Values are filesystem paths.

links_core: Vec<LibraryDependency>

Linking information for the core Python implementation.

libpython_shared_library: Option<PathBuf>

Filesystem location of pythonXY shared library for this distribution.

Only set if link_mode is StandaloneDistributionLinkMode::Dynamic.

extension_modules: BTreeMap<String, PythonExtensionModuleVariants>

Extension modules available to this distribution.

frozen_c: Vec<u8>

includes: BTreeMap<String, PathBuf>

Include files for Python.

Keys are relative paths. Values are filesystem paths.

libraries: BTreeMap<String, PathBuf>

Static libraries available for linking.

Keys are library names, without the “lib” prefix or file extension. Values are filesystem paths where library is located.

py_modules: BTreeMap<String, PathBuf>

resources: BTreeMap<String, BTreeMap<String, PathBuf>>

Non-module Python resource files.

Keys are package names. Values are maps of resource name to data for the resource within that package.

venv_base: PathBuf

Path to copy of hacked dist to use for packaging rules venvs

inittab_object: PathBuf

Path to object file defining _PyImport_Inittab.

inittab_cflags: Vec<String>

Compiler flags to use to build object containing _PyImport_Inittab.

cache_tag: String

Tag to apply to bytecode files.

e.g. cpython-39.

crt_features: Vec<String>

List of strings denoting C Runtime requirements.

Implementations

impl StandaloneDistribution

pub fn from_location( location: &PythonDistributionLocation, distributions_dir: &Path, ) -> Result<Self>

pub fn from_tar_zst_file(path: &Path, extract_dir: &Path) -> Result<Self>

Create an instance from a .tar.zst file.

The distribution will be extracted to extract_dir if necessary.

pub fn from_tar_zst<R: Read>(source: R, extract_dir: &Path) -> Result<Self>

Extract and analyze a standalone distribution from a zstd compressed tar stream.

pub fn from_tar<R: Read>(source: R, extract_dir: &Path) -> Result<Self>

Extract and analyze a standalone distribution from a tar stream.

pub fn from_directory(dist_dir: &Path) -> Result<Self>

Obtain an instance by scanning a directory containing an extracted distribution.

pub fn libpython_link_support(&self) -> (bool, bool)

Determines support for building a libpython from this distribution.

Returns a tuple of bools indicating whether this distribution can build a static libpython and a dynamically linked libpython.

pub fn is_extension_module_file_loadable(&self) -> bool

Whether the distribution is capable of loading filed-based Python extension modules.

Trait Implementations

impl Clone for StandaloneDistribution

fn clone(&self) -> StandaloneDistribution

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for StandaloneDistribution

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PythonDistribution for StandaloneDistribution

fn ensure_pip(&self) -> Result<PathBuf>

Ensure pip is available to run in the distribution.

fn supports_in_memory_shared_library_loading(&self) -> bool

Determines whether dynamically linked extension modules can be loaded from memory.

fn clone_trait(&self) -> Arc<dyn PythonDistribution>

Clone self into a Box’ed trait object.

fn target_triple(&self) -> &str

The Rust machine triple this distribution runs on.

fn compatible_host_triples(&self) -> Vec<String>

Rust target triples on which this distribution’s binaries can run.

fn python_exe_path(&self) -> &Path

Obtain the filesystem path to a python executable for this distribution.

fn python_version(&self) -> &str

Obtain the full Python version string.

fn python_major_minor_version(&self) -> String

Obtain the X.Y Python version component. e.g. 3.7.

fn python_implementation(&self) -> &str

Obtain the full Python implementation name. e.g. cpython.

fn python_implementation_short(&self) -> &str

Obtain the short Python implementation name. e.g. cp

fn python_tag(&self) -> &str

Obtain the PEP 425 Python tag. e.g. cp38.

fn python_abi_tag(&self) -> Option<&str>

Obtain the PEP 425 Python ABI tag. e.g. cp38d.

fn python_platform_tag(&self) -> &str

Obtain the Python platform tag.

fn python_platform_compatibility_tag(&self) -> &str

Obtain the Python platform tag used to indicate compatibility.

fn cache_tag(&self) -> &str

Obtain the cache tag to apply to Python bytecode modules.

fn python_module_suffixes(&self) -> Result<PythonModuleSuffixes>

Obtain file suffixes for various Python module flavors.

fn python_config_vars(&self) -> &HashMap<String, String>

Python configuration variables.

fn stdlib_test_packages(&self) -> Vec<String>

Obtain Python packages in the standard library that provide tests.

fn apple_sdk_info(&self) -> Option<&AppleSdkInfo>

Obtain Apple SDK settings for this distribution.

fn create_bytecode_compiler( &self, env: &Environment, ) -> Result<Box<dyn PythonBytecodeCompiler>>

Create a PythonBytecodeCompiler from this instance.

fn create_packaging_policy(&self) -> Result<PythonPackagingPolicy>

Construct a PythonPackagingPolicy derived from this instance.

fn create_python_interpreter_config( &self, ) -> Result<PyembedPythonInterpreterConfig>

Construct an EmbeddedPythonConfig derived from this instance.

fn as_python_executable_builder( &self, host_triple: &str, target_triple: &str, name: &str, libpython_link_mode: BinaryLibpythonLinkMode, policy: &PythonPackagingPolicy, config: &PyembedPythonInterpreterConfig, host_distribution: Option<Arc<dyn PythonDistribution>>, ) -> Result<Box<dyn PythonBinaryBuilder>>

Obtain a PythonBinaryBuilder for constructing an executable embedding Python.

fn python_resources<'a>(&self) -> Vec<PythonResource<'a>>

Obtain PythonResource instances for every resource in this distribution.

fn resolve_distutils( &self, libpython_link_mode: LibpythonLinkMode, dest_dir: &Path, extra_python_paths: &[&Path], ) -> Result<HashMap<String, String>>

Resolve a distutils installation used for building Python packages.

fn tcl_files(&self) -> Result<Vec<(PathBuf, FileEntry)>>

Obtain support files for tcl/tk.

fn tcl_library_path_directory(&self) -> Option<String>

The name of the directory to use for TCL_LIBRARY

fn is_stdlib_test_package(&self, name: &str) -> bool

Determine whether a named module is in a known standard library test package.