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# encoding: utf-8
# api: pep517
# title: flit backend
# description: wraps flit_core.buildapi
# version: 0.1
# version: 0.2
# depends: python:flit (>=3.0, <4.0)
# license: BSD-3-Clause
# priority: extra
# src: ~/.local/lib/python3.8/site-packages/flit_core/
#
# This is supposed to become an alternative to pluginconf.setup,
# using flit as pep517 build backend. But adding automagic field
# lookup of course.
#
#
# It can be invoked per `flit-pluginconfig build` and requires
# a `pyproject.toml` like:
#
# [build-system]
# requires = ["flit_core", "pluginconf"]
# build-backend = "pluginconf.flit"
# [build-system]
# requires = ["flit_core", "pluginconf"]
# build-backend = "pluginconf.flit"
#
# [project]
# name = "foobar"
# dynamic = ["version", "description"]
# [project]
# name = "foobar"
# #dynamic = ["version", "description"]
#
# Injecting attributes between ini reading and parameter collection
# turned out easier than expanding on flit_core.buildapi functions.
# And lastly, this just chains to flit.main() to handle setup and
# build steps.
#
import os
import sys
import re
import os.path
import pathlib
import pluginconf.setup
import pluginconf.setup as psetup
import flit_core.common
#-- patch functions
#-- patchy patch
def inject(where):
def wrapped(func):
setattr(where, func.__name__, func)
return wrapped
@inject(flit_core.common)
def patch_flit_config(path):
def read_flit_config(path):
""" read_flit_config() with preset dynamic fields """
d = tomllib.loads(path.read_text('utf-8'))
# make fields dynamic
if not "dynamic" in d["project"]:
d["project"]["dynamic"] = []
for dyn in ['description', 'version']:
if dyn in d["project"]:
del d["project"][dyn]
if not dyn in d["project"]["dynamic"]:
d["project"]["dynamic"].append(dyn)
print(d)
# turn it into LoadedConfig
return prep_toml_config(d, path)
# override make_metadata
@inject(flit_core.common)
def patch_metadata(module, ini_info):
def make_metadata(module, ini_info):
meta = {
"name": module.name,
"provides": [module.name]
}
meta.update(ini_info.metadata)
meta.update(
pmd_meta(
pmd_meta(filename=module.file)
pluginconf.plugin_meta(filename=module.file),
ini_info
)
)
return flit_core.common.Metadata(meta)
# inject
flit_core.common.make_metadata = patch_metadata
-- map plugin meta to flit Metadata
filename):
pmd = pluginconf.plugin_meta(filename=filename)
keywords = pmd.get("keywords"),
keywords = psetup._keywords(pmd),
download_url = None,
requires_python = pluginconf.setup._python_requires(pmd).get("python_requires", ">= 2.7"),
platform = (),
requires_python = psetup._python_requires(pmd).get("python_requires", ">= 2.7"),
platform = pmd.get("architecture"),
supported_platform = (),
classifiers = list(pluginconf.setup._classifiers(pmd))
+ pluginconf.setup._trove_license(pmd)
+ pluginconf.setup._trove_status(pmd),
classifiers = list(psetup._classifiers(pmd))
+ psetup._trove_license(pmd)
+ psetup._trove_status(pmd),
provides = (),
requires = pluginconf.setup._install_requires(pmd).get("install_requires") or (),
requires = psetup._install_requires(pmd).get("install_requires") or (),
obsoletes = (),
project_urls = [f"{k}, {v}" for k,v in pluginconf.setup._project_urls(pmd).items()],
project_urls = [f"{k}, {v}" for k,v in psetup._project_urls(pmd).items()],
provides_dist = (),
requires_dist = pluginconf.setup._install_requires(pmd).get("install_requires") or (),
requires_dist = psetup._install_requires(pmd).get("install_requires") or (),
obsoletes_dist = (),
requires_external = (),
provides_extra = (),
)
meta.update({k[5:]: v for k,v in pluginconf.setup._plugin_doc(pmd).items()})
meta.update({k[5:]: v for k,v in pluginconf.setup._get_readme().items()})
return meta
# comment/readme
for docs in psetup._plugin_doc(pmd), psetup._get_readme():
if docs["long_description"]:
# 'metadata', 'module', 'referenced_files', 'reqs_by_extra',
# 'sdist_exclude_patterns', 'sdist_include_patterns']
#
# ini.metadata =
# {'name': 'basename', 'requires_dist': []}
#
# ini.module =
# basename
#
# ini.dynamic_metadata =
# {'version', 'description'}
#
# ini.__dict__ =
# {
# 'module': 'pluginconf',
# 'metadata': {
# 'name': 'pluginconf',
# 'version': '1.0',
# 'summary': '...',
# 'requires_dist': []
# },
# 'reqs_by_extra': {},
# 'entrypoints': {},
# 'referenced_files': [],
# 'sdist_include_patterns': [],
# 'sdist_exclude_patterns': [],
# 'dynamic_metadata': [],
# 'data_directory': None
# }
#module = Module(ini.module, pathlib.Path.cwd())
#print(module.__dict__)
#print(module.file)
# {'name': 'pluginconf', 'path':
# PosixPath('/home/mario/projects/pluginconf/pluginconf'), 'is_package':
# True, 'prefix': '', 'source_dir':
# PosixPath('/home/mario/projects/pluginconf')}
#MD = patch_metadata(module, ini)
#print(MD.__dict__)
import flit_core.buildapi
flit_core.buildapi.prepare_metadata_for_build_wheel("./build/")
#
# These need to be late imports;
# else they'll bind the original helper functions
from flit_core.buildapi import (
get_requires_for_build_wheel,
import flit
from flit import main
# as invocation point
def main(argv=None):
return flit.main(argv)
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