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#! /usr/bin/python3
# vim: et ts=4 sw=4
# Copyright © 2010-2013 Piotr Ożarowski <piotr@debian.org>
#
# 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
import os
import sys
from os.path import exists, join
from shutil import copy as fcopy
from typing import cast
from dhpython.debhelper import DebHelper, Options
from dhpython.depends import Dependencies
from dhpython.interpreter import Interpreter, EXTFILE_RE
from dhpython.version import supported, default, Version, VersionRange
from dhpython.pydist import validate as validate_pydist
from dhpython.fs import fix_locations, Scan
from dhpython.options import DHPythonOptions, build_parser
from dhpython.tools import pyinstall, pyremove
# initialize script
logging.basicConfig(
format="%(levelname).1s: dh_python3 " "%(module)s:%(lineno)d: %(message)s"
)
log = logging.getLogger("dhpython")
os.umask(0o22)
DEFAULT = default("cpython3")
SUPPORTED = supported("cpython3")
# See /usr/share/doc/debhelper/PROGRAMMING.md.gz
#
# INTROSPECTABLE: CONFIG-FILES pkgfile(pyinstall) pkgfile(pyremove) pkgfile(pydist) pkgfile(bcep) pkgfile(py3dist-overrides)
class Scanner(Scan):
def handle_ext(self, fpath: str) -> Version | None:
_, fname = fpath.rsplit("/", 1)
if not (m := EXTFILE_RE.search(fname)):
# yeah, python3.1 is not covered, but we don't want to
# mess with non-Python libraries, don't we?
return None
tagver = m.groupdict()["ver"]
if tagver is None:
return None
tagver = Version(f"{tagver[0]}.{tagver[1:]}")
return tagver
def main() -> None:
parser = build_parser()
options = parser.parse_args(
os.environ.get("DH_OPTIONS", "").split() + sys.argv[1:], DHPythonOptions()
)
if options.O:
parser.parse_known_args(options.O, options)
private_dir = options.private_dir
if private_dir:
if not private_dir.startswith("/"):
# handle usr/share/foo dirs (without leading slash)
private_dir = "/" + private_dir
# TODO: support more than one private dir at the same time (see :meth:scan)
if options.skip_private:
private_dir = None
if options.verbose:
log.setLevel(logging.DEBUG)
log.debug("version: DEVELV")
log.debug("argv: %s", sys.argv)
log.debug("options: %s", options)
log.debug(
"supported Python versions: %s (default=%s)",
",".join(str(v) for v in SUPPORTED),
DEFAULT,
)
else:
log.setLevel(logging.INFO)
options.write_log = False
if os.environ.get("DH_INTERNAL_OVERRIDE", ""):
options.write_log = True
try:
dh = DebHelper(cast(Options, options), impl="cpython3")
except Exception as e:
log.error("cannot initialize DebHelper: %s", e)
sys.exit(2)
if not dh.packages:
log.error(
"no package to act on (python3-foo or one with ${python3:Depends} in Depends)"
)
# sys.exit(7)
if not options.vrange and dh.python_version:
options.vrange = VersionRange(dh.python_version)
interpreter = Interpreter("python3")
for package, _ in dh.packages.items():
log.debug("processing package %s...", package)
interpreter.debug = package.endswith("-dbg")
if not private_dir:
try:
pyinstall(interpreter, package, options.vrange)
except Exception as err:
log.error("%s.pyinstall: %s", package, err)
sys.exit(4)
try:
pyremove(interpreter, package, options.vrange)
except Exception as err:
log.error("%s.pyremove: %s", package, err)
sys.exit(5)
fix_locations(package, interpreter, SUPPORTED, options)
stats = Scanner(interpreter, package, private_dir, options=options).result
dependencies = Dependencies(package, "cpython3", dh.build_depends)
dependencies.parse(stats, options)
pyclean_added = False # invoke pyclean only once in maintainer script
if stats["compile"]:
args = ""
if options.vrange:
args += "-V %s" % options.vrange
dh.autoscript(package, "postinst", "postinst-py3compile", args)
dh.autoscript(package, "prerm", "prerm-py3clean", "")
pyclean_added = True
for pdir, details in sorted(stats["private_dirs"].items()):
if not details["compile"]:
continue
if not pyclean_added:
dh.autoscript(package, "prerm", "prerm-py3clean", "")
pyclean_added = True
args = pdir
ext_for = details["ext_vers"]
ext_no_version = details["ext_no_version"]
if not ext_for and not ext_no_version: # no extension
shebang_versions = list(
i.version
for i in details["shebangs"]
if i.version and i.version.minor
)
if not options.ignore_shebangs and len(shebang_versions) == 1:
# only one version from shebang
args += " -V %s" % shebang_versions[0]
elif options.vrange:
args += " -V %s" % options.vrange
elif ext_no_version:
# at least one extension's version not detected
if options.vrange and "-" not in str(options.vrange):
ver = str(options.vrange)
else: # try shebang or default Python version
v = DEFAULT
for i in details["shebangs"]:
if i.version and i.version.minor:
v = i.version
break
ver = str(v)
dependencies.depend("python%s" % ver)
args += " -V %s" % ver
else:
extensions = sorted(ext_for)
vr = VersionRange(minver=extensions[0], maxver=extensions[-1])
args += " -V %s" % vr
for regex in options.regexpr or []:
args += " -X '%s'" % regex.pattern.replace("'", r"'\''")
dh.autoscript(package, "postinst", "postinst-py3compile", args)
dependencies.export_to(dh)
pydist_file = join("debian", "%s.pydist" % package)
if exists(pydist_file):
if not validate_pydist(pydist_file):
log.warning("%s.pydist file is invalid", package)
else:
dstdir = join("debian", package, "usr/share/python3/dist/")
if not exists(dstdir):
os.makedirs(dstdir)
fcopy(pydist_file, join(dstdir, package))
bcep_file = join("debian", "%s.bcep" % package)
if exists(bcep_file):
dstdir = join("debian", package, "usr/share/python3/bcep/")
if not exists(dstdir):
os.makedirs(dstdir)
fcopy(bcep_file, join(dstdir, package))
dh.save()
if __name__ == "__main__":
main()
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