radioconda/build_installer.py

153 lines
4.6 KiB
Python
Executable File

#!/usr/bin/env python3
import pathlib
import re
import tarfile
import requests
platform_re = re.compile("^.*-(?P<platform>[(?:linux)(?:osx)(?:win)].*)$")
def spec_dir_extract_platform(installer_spec_dir: pathlib.Path) -> str:
spec_dir_name = installer_spec_dir.name
platform_match = platform_re.match(spec_dir_name)
if platform_match:
return platform_match.group("platform")
else:
raise ValueError(
f"Could not identify platform from directory name: {spec_dir_name}"
)
def get_micromamba(cache_dir, platform, version=None):
if not version:
version = "latest"
tarfile_path = cache_dir / f"micromamba-{platform}-{version}.bz2"
tarfile_path.parent.mkdir(parents=True, exist_ok=True)
micromamba_url = f"https://micro.mamba.pm/api/micromamba/{platform}/{version}"
if not tarfile_path.exists():
print("Downloading micromamba for bundling into installer...")
response = requests.get(url=micromamba_url, stream=True)
with open(tarfile_path, "wb") as micromamba_tarfile:
for chunk in response.iter_content(chunk_size=1024):
if chunk:
micromamba_tarfile.write(chunk)
print("...download finished!")
extract_path = tarfile_path.parent / tarfile_path.stem
if platform.startswith("win"):
micromamba_path = extract_path / "Library" / "bin" / "micromamba.exe"
else:
micromamba_path = extract_path / "bin" / "micromamba"
if not micromamba_path.exists():
tarfile_obj = tarfile.open(tarfile_path, mode="r")
tarfile_obj.extractall(extract_path)
return micromamba_path
if __name__ == "__main__":
import argparse
import os
import subprocess
import sys
from constructor import main as constructor_main
cwd = pathlib.Path(".").absolute()
here = pathlib.Path(__file__).parent.absolute().relative_to(cwd)
distname = os.getenv("DISTNAME", "radioconda")
platform = os.getenv("PLATFORM", constructor_main.cc_platform)
parser = argparse.ArgumentParser(
description=(
"Build installer package(s) using conda constructor."
" Additional command-line options following '--' will be passed to"
" constructor."
)
)
parser.add_argument(
"installer_spec_dir",
type=pathlib.Path,
nargs="?",
default=here / "installer_specs" / f"{distname}-{platform}",
help=(
"Installer specification directory (containing construct.yaml)"
" for a particular platform (name ends in the platform identifier)."
" (default: %(default)s)"
),
)
parser.add_argument(
"-o",
"--output_dir",
type=pathlib.Path,
default=here / "dist",
help=(
"Output directory in which the installer package(s) will be placed."
" (default: %(default)s)"
),
)
parser.add_argument(
"--micromamba_version",
default="0.24.0",
help=(
"Version of micromamba to download and bundle into the installer."
" (default: %(default)s)"
),
)
# allow a delimiter to separate constructor arguments
argv = sys.argv[1:]
if "--" in argv:
i = argv.index("--")
args, constructor_args = parser.parse_args(argv[:i]), argv[i + 1 :]
else:
args, constructor_args = parser.parse_args(argv), []
platform = spec_dir_extract_platform(args.installer_spec_dir)
if platform.startswith("win"):
# patch constructor's nsis template
import patch
pset = patch.fromfile(
"static/0001-Customize-Windows-NSIS-installer-script.patch"
)
pset.write_hunks(
pathlib.Path(constructor_main.__file__).parent / "nsis" / "main.nsi.tmpl",
args.installer_spec_dir / "main.nsi.tmpl",
pset.items[0].hunks,
)
args.output_dir.mkdir(parents=True, exist_ok=True)
conda_exe_path = get_micromamba(
cache_dir=args.output_dir / "tmp",
platform=platform,
version=args.micromamba_version,
)
if not conda_exe_path.exists():
raise RuntimeError(f"Failed to download/extract micromamba to {conda_exe_path}")
constructor_cmdline = [
"constructor",
args.installer_spec_dir,
"--platform",
platform,
"--conda-exe",
conda_exe_path,
"--output-dir",
args.output_dir,
] + constructor_args
proc = subprocess.run(constructor_cmdline)
try:
proc.check_returncode()
except subprocess.CalledProcessError:
sys.exit(1)