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# Copyright © 2012-2020 Piotr Ożarowski <piotr@debian.org>
# © 2020 Scott Kitterman <scott@kitterman.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import logging
from os.path import exists, isdir, join
import os
import os.path as osp
from pathlib import Path
import shutil
try:
import toml
except ModuleNotFoundError:
# Plugin still works, only needed for autodetection
pass
try:
from flit.install import Installer
except ImportError:
Installer = object
from dhpython.build.base import Base
log = logging.getLogger('dhpython')
class DebianInstaller(Installer):
def install_directly(self, destdir, installdir):
"""Install a module/package into package directory, and create its
scripts.
"""
if installdir[:1] == os.sep:
installdir = installdir[1:]
dirs = self._get_dirs(user=self.user)
dirs['purelib'] = osp.join(destdir, installdir)
dirs['scripts'] = destdir + dirs['scripts']
os.makedirs(dirs['purelib'], exist_ok=True)
os.makedirs(dirs['scripts'], exist_ok=True)
dst = osp.join(dirs['purelib'], osp.basename(self.module.path))
if osp.lexists(dst):
if osp.isdir(dst) and not osp.islink(dst):
shutil.rmtree(dst)
else:
os.unlink(dst)
src = str(self.module.path)
if self.module.is_package:
log.info("Installing package %s -> %s", src, dst)
shutil.copytree(src, dst)
self._record_installed_directory(dst)
else:
log.info("Installing file %s -> %s", src, dst)
shutil.copy2(src, dst)
self.installed_files.append(dst)
scripts = self.ini_info.entrypoints.get('console_scripts', {})
if scripts:
self.install_scripts(scripts, dirs['scripts'])
log.info("Installing scripts to %s", dirs['scripts'])
self.write_dist_info(dirs['purelib'])
log.info("Writing dist-info %s", dirs['purelib'])
class BuildSystem(Base):
DESCRIPTION = 'Flit build system'
SUPPORTED_INTERPRETERS = {'python3', 'python{version}'}
REQUIRED_FILES = ['pyproject.toml']
OPTIONAL_FILES = {}
CLEAN_FILES = Base.CLEAN_FILES | {'build'}
def detect(self, context):
"""Return certainty level that this plugin describes the right build
system
This method uses cls.{REQUIRED}_FILES (pyroject.toml) as well as
checking to see if build-backend is set to flit_core.buildapi.
Score is 95 if both are present (to allow manually setting distutils to
score higher if set).
:return: 0 <= certainty <= 100
:rtype: int
"""
if Installer is object:
return 0
result = super().detect(context)
try:
pyproject = toml.decoder.load('pyproject.toml')
if pyproject.get('build-system', {}).get('build-backend') == \
'flit_core.buildapi':
result += 45
else:
# Not a flit built package
result = 0
except NameError:
# No toml, no autdetection
result = 0
except FileNotFoundError:
# Not a pep517 package
result = 0
if result > 100:
return 100
return result
def clean(self, context, args):
super().clean(context, args)
if exists(args['interpreter'].binary()):
log.debug("removing '%s' (and everything under it)",
args['build_dir'])
isdir(args['build_dir']) and shutil.rmtree(args['build_dir'])
return 0 # no need to invoke anything
def configure(self, context, args):
# Flit does not support binary extensions
return 0 # Not needed for flit
def build(self, context, args):
my_dir = Path(args['dir'])
install_kwargs = {'user': False, 'symlink': False, 'deps': 'none'}
DebianInstaller.from_ini_path(my_dir / 'pyproject.toml',
**install_kwargs).install_directly(
args['build_dir'], '')
# These get byte compiled too, although it's not logged.
return 0 # Not needed for flit
def install(self, context, args):
my_dir = Path(args['dir'])
install_kwargs = {'user': False, 'symlink': False, 'deps': 'none'}
DebianInstaller.from_ini_path(my_dir / 'pyproject.toml',
**install_kwargs).install_directly(
args['destdir'],
args['install_dir'])
return 0 # Not needed for flit'
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