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pyoxidizer: produce working Python 3 Windows installers (issue6366)...
pyoxidizer: produce working Python 3 Windows installers (issue6366) While we've had code to produce Python 3 Windows installers with PyOxidizer, we haven't been advertising them on the web site due to a bug in making TLS connections and issues around resource handling. This commit upgrades our PyOxidizer install and configuration to use a recent Git commit of PyOxidizer. This new version of PyOxidizer contains a *ton* of changes, improvements, and bug fixes. Notably, Windows shared distributions now mostly "just work" and the TLS bug and random problems with Python extension modules in the standard library go away. And Python has been upgraded from 3.7 to 3.8.6. The price we pay for this upgrade is a ton of backwards incompatible changes to Starlark. I applied this commit (the overall series actually) on stable to produce Windows installers for Mercurial 5.5.2, which I published shortly before submitting this commit for review. In order to get the stable branch working, I decided to take a less aggressive approach to Python resource management. Previously, we were attempting to load all Python modules from memory and were performing some hacks to copy Mercurial's non-module resources into additional directories in Starlark. This commit implements a resource callback function in Starlark (a new feature since PyOxidizer 0.7) to dynamically assign standard library resources to in-memory loading and all other resources to filesystem loading. This means that Mercurial's files and all the other packages we ship in the Windows installers (e.g. certifi and pygments) are loaded from the filesystem instead of from memory. This avoids issues due to lack of __file__ and enables us to ship a working Python 3 installer on Windows. The end state of the install layout after this patch is not ideal for @: we still copy resource files like templates and help text to directories next to the hg.exe executable. There is code in @ to use importlib.resources to load these files and we could likely remove these copies once this lands on @. But for now, the install layout mimics what we've shipped for seemingly forever and is backwards compatible. It allows us to achieve the milestone of working Python 3 Windows installers and gets us a giant step closer to deleting Python 2. Differential Revision: https://phab.mercurial-scm.org/D9148

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cli.py
183 lines | 5.1 KiB | text/x-python | PythonLexer
# cli.py - Command line interface for automation
#
# Copyright 2019 Gregory Szorc <gregory.szorc@gmail.com>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
# no-check-code because Python 3 native.
import argparse
import os
import pathlib
from . import (
inno,
wix,
)
HERE = pathlib.Path(os.path.abspath(os.path.dirname(__file__)))
SOURCE_DIR = HERE.parent.parent.parent
def build_inno(pyoxidizer_target=None, python=None, iscc=None, version=None):
if not pyoxidizer_target and not python:
raise Exception("--python required unless building with PyOxidizer")
if python and not os.path.isabs(python):
raise Exception("--python arg must be an absolute path")
if iscc:
iscc = pathlib.Path(iscc)
else:
iscc = (
pathlib.Path(os.environ["ProgramFiles(x86)"])
/ "Inno Setup 5"
/ "ISCC.exe"
)
build_dir = SOURCE_DIR / "build"
if pyoxidizer_target:
inno.build_with_pyoxidizer(
SOURCE_DIR, build_dir, pyoxidizer_target, iscc, version=version
)
else:
inno.build_with_py2exe(
SOURCE_DIR, build_dir, pathlib.Path(python), iscc, version=version,
)
def build_wix(
name=None,
pyoxidizer_target=None,
python=None,
version=None,
sign_sn=None,
sign_cert=None,
sign_password=None,
sign_timestamp_url=None,
extra_packages_script=None,
extra_wxs=None,
extra_features=None,
):
if not pyoxidizer_target and not python:
raise Exception("--python required unless building with PyOxidizer")
if python and not os.path.isabs(python):
raise Exception("--python arg must be an absolute path")
kwargs = {
"source_dir": SOURCE_DIR,
"version": version,
}
if pyoxidizer_target:
fn = wix.build_installer_pyoxidizer
kwargs["target_triple"] = pyoxidizer_target
else:
fn = wix.build_installer_py2exe
kwargs["python_exe"] = pathlib.Path(python)
if extra_packages_script:
if pyoxidizer_target:
raise Exception(
"pyoxidizer does not support --extra-packages-script"
)
kwargs["extra_packages_script"] = extra_packages_script
if extra_wxs:
kwargs["extra_wxs"] = dict(
thing.split("=") for thing in extra_wxs.split(",")
)
if extra_features:
kwargs["extra_features"] = extra_features.split(",")
if sign_sn or sign_cert:
kwargs["signing_info"] = {
"name": name,
"subject_name": sign_sn,
"cert_path": sign_cert,
"cert_password": sign_password,
"timestamp_url": sign_timestamp_url,
}
fn(**kwargs)
def get_parser():
parser = argparse.ArgumentParser()
subparsers = parser.add_subparsers()
sp = subparsers.add_parser("inno", help="Build Inno Setup installer")
sp.add_argument(
"--pyoxidizer-target",
choices={"i686-pc-windows-msvc", "x86_64-pc-windows-msvc"},
help="Build with PyOxidizer targeting this host triple",
)
sp.add_argument("--python", help="path to python.exe to use")
sp.add_argument("--iscc", help="path to iscc.exe to use")
sp.add_argument(
"--version",
help="Mercurial version string to use "
"(detected from __version__.py if not defined",
)
sp.set_defaults(func=build_inno)
sp = subparsers.add_parser(
"wix", help="Build Windows installer with WiX Toolset"
)
sp.add_argument("--name", help="Application name", default="Mercurial")
sp.add_argument(
"--pyoxidizer-target",
choices={"i686-pc-windows-msvc", "x86_64-pc-windows-msvc"},
help="Build with PyOxidizer targeting this host triple",
)
sp.add_argument("--python", help="Path to Python executable to use")
sp.add_argument(
"--sign-sn",
help="Subject name (or fragment thereof) of certificate "
"to use for signing",
)
sp.add_argument(
"--sign-cert", help="Path to certificate to use for signing"
)
sp.add_argument("--sign-password", help="Password for signing certificate")
sp.add_argument(
"--sign-timestamp-url",
help="URL of timestamp server to use for signing",
)
sp.add_argument("--version", help="Version string to use")
sp.add_argument(
"--extra-packages-script",
help=(
"Script to execute to include extra packages in " "py2exe binary."
),
)
sp.add_argument(
"--extra-wxs", help="CSV of path_to_wxs_file=working_dir_for_wxs_file"
)
sp.add_argument(
"--extra-features",
help=(
"CSV of extra feature names to include "
"in the installer from the extra wxs files"
),
)
sp.set_defaults(func=build_wix)
return parser
def main():
parser = get_parser()
args = parser.parse_args()
if not hasattr(args, "func"):
parser.print_help()
return
kwargs = dict(vars(args))
del kwargs["func"]
args.func(**kwargs)