Re @ s d Z d d l m Z d d l m Z d d l Z d d l Z d d l Z d d l m Z d d l Z d d l
Z
d d l Z d d l Z e j
d d k r d d Z d d
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d d e Z Gd d d e Z Gd d d e Z d d Z d d Z d d Z d d Z d Z d d Z d d Z d d! Z d d" d# Z d$ d% Z Gd& d' d' e Z Gd( d) d) e Z d* d+ Z d d d# d% d+ h Z! d, d- Z" e# d. k re" d S)/ag This is invoked in a subprocess to call the build backend hooks.
It expects:
- Command line args: hook_name, control_dir
- Environment variables:
PEP517_BUILD_BACKEND=entry.point:spec
PEP517_BACKEND_PATH=paths (separated with os.pathsep)
- control_dir/input.json:
- {"kwargs": {...}}
Results:
- control_dir/output.json
- {"return_val": ...}
)glob)
import_moduleN)join c K s6 t | d d d } t j | | | Wd QRXd S)Nwencodingzutf-8)openjsondump)objpathkwargsf r /builddir/build/BUILDROOT/alt-python35-pip-20.2.4-5.el8.x86_64/opt/alt/python35/lib/python3.5/site-packages/pip/_vendor/pep517/_in_process.py
write_json! s r c C s0 t | d d d } t j | SWd QRXd S)Nrr zutf-8)r r load)r r r r r read_json% s r c
K s6 t | d } t j | | d d | Wd QRXd S)Nwbr zutf-8)r r r
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r r r r r + s c C s* t | d } t j | SWd QRXd S)Nrb)r r r )r r r r r r / s c @ s" e Z d Z d Z d d Z d S)BackendUnavailablez&Raised if we cannot import the backendc C s
| | _ d S)N) traceback)selfr r r r __init__6 s zBackendUnavailable.__init__N)__name__
__module__ __qualname____doc__r r r r r r 4 s r c @ s" e Z d Z d Z d d Z d S)BackendInvalidz Raised if the backend is invalidc C s
| | _ d S)N)message)r r r r r r < s zBackendInvalid.__init__N)r r r r r r r r r r : s r c @ s e Z d Z d Z d S) HookMissingzARaised if a hook is missing and we are not executing the fallbackN)r r r r r r r r r! @ s r! c C sX t j j t j j | } t j j t j j | } t j j | | g | k S)z5Test if a file is located within the given directory.)osr normcaseabspath commonprefix)filename directoryr r r contained_inD s r( c s t j j d } | r= | j t j } | t j d d \ s z!_build_backend..z(Backend was not loaded from backend-path.)r" environgetsplitpathsepsysr partitionr ImportErrorr r
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r= c C s= t } y
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r. g SYn X| | Sd S)zfInvoke the optional get_requires_for_build_wheel hook
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N)r= get_requires_for_build_wheelAttributeError)config_settingsbackendhookr r r r> g s
r> c C s[ t } y
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rI | s5 t t | | | SYn X| | | Sd S)zInvoke optional prepare_metadata_for_build_wheel
Implements a fallback by building a wheel if the hook isn't defined,
unless _allow_fallback is False in which case HookMissing is raised.
N)r= prepare_metadata_for_build_wheelr? r! _get_wheel_metadata_from_wheel)metadata_directoryr@ _allow_fallbackrA rB r r r rC u s
rC ZPEP517_ALREADY_BUILT_WHEELc C s\ g } x9 | j D]+ } t j d | } | r | j | q W| rL | St d d S)z6Identify the .dist-info folder inside a wheel ZipFile.z[^/\\]+-[^/\\]+\.dist-info/z#No .dist-info folder found in wheelN)namelistrematchappend Exception)Zwhl_zipresr mr r r _dist_info_files s rN c C s d d l m } | j | | } t t j j | t d Wd QRXt j j | | } | | ) } t | } | j d | d | Wd QRX| d j
d d S)zBuild a wheel and extract the metadata from it.
Fallback for when the build backend does not
define the 'get_wheel_metadata' hook.
r )ZipFiler Nr members/) zipfilerO build_wheelr r" r r WHEEL_BUILT_MARKERrN
extractallr2 )rA rE r@ rO Z whl_basenameZwhl_fileZzipfZ dist_infor r r rD s rD c C s | s
d St j j | } t j j t | t s; d St t j j | d } | sj t d d St | d k r t d d S| d S)zHCheck for a wheel already built during the get_wheel_metadata hook.
Nz*.whlz+Found wheel built marker, but no .whl files zHFound multiple .whl files; unspecified behaviour. Will call build_wheel.r )
r" r dirnameisfilepjoinrT r r printlen)rE Zmetadata_parentZ whl_filesr r r _find_already_built_wheel s
r\ c C sH t | } | r2 t j | | t j j | St j | | | S)zInvoke the mandatory build_wheel hook.
If a wheel was already built in the
prepare_metadata_for_build_wheel fallback, this
will copy it rather than rebuilding the wheel.
)r\ shutilcopy2r" r basenamer= rS )wheel_directoryr@ rE Z prebuilt_whlr r r rS s rS c C s= t } y
| j } Wn t k
r. g SYn X| | Sd S)zfInvoke the optional get_requires_for_build_wheel hook
Returns [] if the hook is not defined.
N)r= get_requires_for_build_sdistr? )r@ rA rB r r r ra s
ra c @ s e Z d Z d Z d S)_DummyExceptionz(Nothing should ever raise this exceptionN)r r r r r r r r rb s rb c @ s" e Z d Z d Z d d Z d S)GotUnsupportedOperationz9For internal use when backend raises UnsupportedOperationc C s
| | _ d S)N)r )r r r r r r s z GotUnsupportedOperation.__init__N)r r r r r r r r r rc s rc c C sT t } y | j | | SWn0 t | d t k
rO t t j Yn Xd S)z&Invoke the mandatory build_sdist hook.UnsupportedOperationN)r= build_sdistr9 rb rc r r7 )sdist_directoryr@ rA r r r re s
re c C s t t j d k r" t j d t j d } t j d } | t k rY t j d | t | } t t | d } d d d d i } y | | d
| d rC rT rN rD r\ rS ra rb rc re rq rv r r r r r sN