(h, @sddlZddlmZddlZddlmZmZmZddl Z ddl m Z m Z m Z ddlZddlmZddlmZdd d d d d dgZyddljZddZWn$ek reddZYnXeddZGdddeZGdd d eZGdd d eZGdd d eZdddd Zdddd ZddZ Gddde!Z"Gdddej#Z$dS)N)contextmanager)dirnameabspathjoin) check_call check_outputSTDOUT)mkdtemp)compatBackendUnavailableBackendInvalid HookMissingUnsupportedOperationdefault_subprocess_runnerquiet_subprocess_runnerPep517HookCallercCstjtdS)Nz_in_process.py) resourcespath __package__rr:/tmp/pip-build-kmztzv_d/pip/pip/_vendor/pep517/wrappers.py_in_proc_script_pathsrccsttttdVdS)Nz_in_process.py)pjoinrr__file__rrrrrsc cs't}z |VWdtj|XdS)N)r shutilrmtree)tdrrrtempdir!s  rc@s"eZdZdZddZdS)r zEWill be raised if the backend cannot be imported in the hook process.cCs ||_dS)N) traceback)selfrrrr__init__,szBackendUnavailable.__init__N)__name__ __module__ __qualname____doc__r!rrrrr *s c@s"eZdZdZddZdS)r z)Will be raised if the backend is invalid.cCs||_||_||_dS)N) backend_name backend_pathmessage)r r&r'r(rrrr!2s  zBackendInvalid.__init__N)r"r#r$r%r!rrrrr 0s cs(eZdZdZfddZS)rz Will be raised on missing hooks.cs#tt|j|||_dS)N)superrr! hook_name)r r*) __class__rrr!:szHookMissing.__init__)r"r#r$r%r!rr)r+rr8s c@s"eZdZdZddZdS)rzDMay be raised by build_sdist if the backend indicates that it can't.cCs ||_dS)N)r)r rrrrr!AszUnsupportedOperation.__init__N)r"r#r$r%r!rrrrr?s cCs<tjj}|r"|j|t|d|d|dS)z5The default method of calling the wrapper subprocess.cwdenvN)osenvironcopyupdater)cmdr, extra_environr-rrrrEs cCsBtjj}|r"|j|t|d|d|dtdS)zDA method of calling the wrapper subprocess while suppressing output.r,r-stderrN)r.r/r0r1rr)r2r,r3r-rrrrNs cCstjj|rtdtjj|}tjjtjj||}tjj|}tjj|}tjj||g|krtd|S)zNormalise and check a backend path. Ensure that the requested backend path is specified as a relative path, and resolves to a location under the given source tree. Return an absolute version of the requested path. zpaths must be relativez paths must be inside source tree) r.risabs ValueErrorrnormpathrnormcase commonprefix)Z source_tree requestedZ abs_sourceZ abs_requestedZ norm_sourceZnorm_requestedrrrnorm_and_checkWs ! r;c@seZdZdZdddddZeddZdddZdd d d Zddd d Z dddZ dddZ ddZ dS)raA wrapper around a source directory to be built with a PEP 517 backend. :param source_dir: The path to the source directory, containing pyproject.toml. :param build_backend: The build backend spec, as per PEP 517, from pyproject.toml. :param backend_path: The backend path, as per PEP 517, from pyproject.toml. :param runner: A callable that invokes the wrapper subprocess. :param python_executable: The Python executable used to invoke the backend The 'runner', if provided, must expect the following: - cmd: a list of strings representing the command and arguments to execute, as would be passed to e.g. 'subprocess.check_call'. - cwd: a string representing the working directory that must be used for the subprocess. Corresponds to the provided source_dir. - extra_environ: a dict mapping environment variable names to values which must be set for the subprocess execution. Ncsw|dkrt}t|_|_|rIfdd|D}|_|_|sjtj}|_dS)Ncs"g|]}tj|qSr)r; source_dir).0p)r rr s z-Pep517HookCaller.__init__..) rrr< build_backendr'_subprocess_runnersys executablepython_executable)r r<r@r'runnerrDr)r rr!s     zPep517HookCaller.__init__c cs,|j}||_z dVWd||_XdS)z\A context manager for temporarily overriding the default subprocess runner. N)rA)r rEprevrrrsubprocess_runners    z"Pep517HookCaller.subprocess_runnercCs|jdd|iS)aIIdentify packages required for building a wheel Returns a list of dependency specifications, e.g.:: ["wheel >= 0.25", "setuptools"] This does not include requirements specified in pyproject.toml. It returns the result of calling the equivalently named hook in a subprocess. get_requires_for_build_wheelconfig_settings) _call_hook)r rIrrrrHs z-Pep517HookCaller.get_requires_for_build_wheelTcCs(|jddt|d|d|iS)auPrepare a ``*.dist-info`` folder with metadata for this project. Returns the name of the newly created folder. If the build backend defines a hook with this name, it will be called in a subprocess. If not, the backend will be asked to build a wheel, and the dist-info extracted from that (unless _allow_fallback is False). prepare_metadata_for_build_wheelmetadata_directoryrI_allow_fallback)rJr)r rLrIrMrrrrKs  z1Pep517HookCaller.prepare_metadata_for_build_wheelcCs@|dk rt|}|jddt|d|d|iS)avBuild a wheel from this project. Returns the name of the newly created file. In general, this will call the 'build_wheel' hook in the backend. However, if that was previously called by 'prepare_metadata_for_build_wheel', and the same metadata_directory is used, the previously built wheel will be copied to wheel_directory. N build_wheelwheel_directoryrIrL)rrJ)r rOrIrLrrrrNs    zPep517HookCaller.build_wheelcCs|jdd|iS)a>Identify packages required for building a wheel Returns a list of dependency specifications, e.g.:: ["setuptools >= 26"] This does not include requirements specified in pyproject.toml. It returns the result of calling the equivalently named hook in a subprocess. get_requires_for_build_sdistrI)rJ)r rIrrrrPs z-Pep517HookCaller.get_requires_for_build_sdistcCs"|jddt|d|iS)zBuild an sdist from this project. Returns the name of the newly created file. This calls the 'build_sdist' backend hook in a subprocess. build_sdistsdist_directoryrI)rJr)r rRrIrrrrQs  zPep517HookCaller.build_sdistc Cstjddkr(|jjd}n |j}d|i}|jrtjj|j}tjddkr|jtj}||dszLoggerWrapper.remove_newlinecCs.x'|jD]}|j|j|q WdS)N)rj_writerq)r linerrrrunBszLoggerWrapper.runcCs|jj|j|dS)N)relogrf)r r(rrrrrFszLoggerWrapper._writeN) r"r#r$r%r!rl staticmethodrqrtrrrrrrra(s   ra)%rb contextlibrr.os.pathrrrrr subprocessrrrrBtempfiler rWr __all__Zimportlib.resourcesrr ImportErrorr Exceptionr r rrrrr;objectrrcrarrrrs<