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Migrate xapian install script to python
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parent
b9cbba2309
commit
8747c21b12
@ -13,12 +13,41 @@
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#
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#
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import hashlib
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import multiprocessing
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import os
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import shutil
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import subprocess
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import sys
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import tarfile
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from dataclasses import dataclass
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from pathlib import Path
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from typing import Self
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import tomli
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from django.core.management.base import BaseCommand, CommandParser
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import urllib3
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from django.core.management.base import BaseCommand, CommandParser, OutputWrapper
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from urllib3.response import HTTPException
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@dataclass
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class XapianSpec:
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version: str
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core_sha1: str
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bindings_sha1: str
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@classmethod
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def from_pyproject(cls) -> Self:
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with open(
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Path(__file__).parent.parent.parent.parent / "pyproject.toml", "rb"
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) as f:
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pyproject = tomli.load(f)
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spec = pyproject["tool"]["xapian"]
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return cls(
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version=spec["version"],
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core_sha1=spec["core-sha1"],
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bindings_sha1=spec["bindings-sha1"],
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)
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class Command(BaseCommand):
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@ -39,13 +68,6 @@ class Command(BaseCommand):
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return None
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return xapian.version_string()
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def _desired_version(self) -> str:
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with open(
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Path(__file__).parent.parent.parent.parent / "pyproject.toml", "rb"
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) as f:
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pyproject = tomli.load(f)
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return pyproject["tool"]["xapian"]["version"]
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def handle(self, *args, force: bool, **options):
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if not os.environ.get("VIRTUAL_ENV", None):
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self.stdout.write(
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@ -53,20 +75,152 @@ class Command(BaseCommand):
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)
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return
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desired = self._desired_version()
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if desired == self._current_version():
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desired = XapianSpec.from_pyproject()
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if desired.version == self._current_version():
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if not force:
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self.stdout.write(
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f"Version {desired} is already installed, use --force to re-install"
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f"Version {desired.version} is already installed, use --force to re-install"
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)
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return
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self.stdout.write(f"Version {desired} is already installed, re-installing")
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self.stdout.write(
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f"Installing xapian version {desired} at {os.environ['VIRTUAL_ENV']}"
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)
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subprocess.run(
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[str(Path(__file__).parent / "install_xapian.sh"), desired],
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env=dict(os.environ),
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check=True,
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f"Version {desired.version} is already installed, re-installing"
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)
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XapianInstaller(desired, self.stdout, self.stderr).run()
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self.stdout.write("Installation success")
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class XapianInstaller:
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def __init__(
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self,
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spec: XapianSpec,
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stdout: OutputWrapper,
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stderr: OutputWrapper,
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):
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self._version = spec.version
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self._core_sha1 = spec.core_sha1
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self._bindings_sha1 = spec.bindings_sha1
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self._stdout = stdout
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self._stderr = stderr
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self._virtual_env = os.environ.get("VIRTUAL_ENV", None)
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if not self._virtual_env:
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raise RuntimeError("You are not inside a virtual environment")
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self._virtual_env = Path(self._virtual_env)
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self._dest_dir = Path(self._virtual_env) / "packages"
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self._core = f"xapian-core-{self._version}"
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self._bindings = f"xapian-bindings-{self._version}"
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def _setup_env(self):
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os.environ.update(
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{
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"CPATH": "",
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"LIBRARY_PATH": "",
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"CFLAGS": "",
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"LDFLAGS": "",
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"CCFLAGS": "",
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"CXXFLAGS": "",
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"CPPFLAGS": "",
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}
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)
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def _prepare_dest_folder(self):
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shutil.rmtree(self._dest_dir, ignore_errors=True)
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self._dest_dir.mkdir(parents=True)
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def _download(self):
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def download(url: str, dest: Path, sha1_hash: str):
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resp = urllib3.request("GET", url)
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if resp.status != 200:
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raise HTTPException(f"Could not download {url}")
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if hashlib.sha1(resp.data).hexdigest() != sha1_hash:
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raise ValueError(f"File downloaded from {url} is compromised")
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with open(dest, "wb") as f:
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f.write(resp.data)
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self._stdout.write("Downloading source…")
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core = self._dest_dir / f"{self._core}.tar.xz"
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bindings = self._dest_dir / f"{self._bindings}.tar.xz"
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download(
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f"https://oligarchy.co.uk/xapian/{self._version}/{self._core}.tar.xz",
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core,
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"e2b4b4cf6076873ec9402cab7b9a3b71dcf95e20",
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)
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download(
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f"https://oligarchy.co.uk/xapian/{self._version}/{self._bindings}.tar.xz",
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bindings,
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"782f568d2ea3ca751c519a2814a35c7dc86df3a4",
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)
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self._stdout.write("Extracting source …")
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with tarfile.open(core) as tar:
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tar.extractall(self._dest_dir)
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with tarfile.open(bindings) as tar:
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tar.extractall(self._dest_dir)
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os.remove(core)
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os.remove(bindings)
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def _install(self):
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self._stdout.write("Installing Xapian-core…")
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subprocess.run(
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["./configure", "--prefix", str(self._virtual_env)],
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env=dict(os.environ),
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cwd=self._dest_dir / self._core,
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).check_returncode()
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subprocess.run(
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[
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"make",
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"-j",
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str(multiprocessing.cpu_count()),
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],
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env=dict(os.environ),
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cwd=self._dest_dir / self._core,
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).check_returncode()
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subprocess.run(
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["make", "install"],
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env=dict(os.environ),
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cwd=self._dest_dir / self._core,
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).check_returncode()
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self._stdout.write("Installing Xapian-bindings")
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subprocess.run(
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[
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"./configure",
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"--prefix",
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str(self._virtual_env),
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"--with-python3",
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f"XAPIAN_CONFIG={self._virtual_env / 'bin'/'xapian-config'}",
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],
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env=dict(os.environ),
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cwd=self._dest_dir / self._bindings,
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).check_returncode()
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subprocess.run(
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[
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"make",
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"-j",
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str(multiprocessing.cpu_count()),
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],
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env=dict(os.environ),
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cwd=self._dest_dir / self._bindings,
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).check_returncode()
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subprocess.run(
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["make", "install"],
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env=dict(os.environ),
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cwd=self._dest_dir / self._bindings,
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).check_returncode()
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def _post_clean(self):
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shutil.rmtree(self._dest_dir, ignore_errors=True)
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def _test(self):
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subprocess.run([sys.executable, "-c", "import xapian"]).check_returncode()
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def run(self):
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self._setup_env()
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self._prepare_dest_folder()
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self._download()
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self._install()
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self._post_clean()
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self._test()
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@ -1,47 +0,0 @@
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#!/usr/bin/env bash
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# Originates from https://gist.github.com/jorgecarleitao/ab6246c86c936b9c55fd
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# first argument of the script is Xapian version (e.g. 1.2.19)
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VERSION="$1"
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# Cleanup env vars for auto discovery mechanism
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export CPATH=
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export LIBRARY_PATH=
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export CFLAGS=
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export LDFLAGS=
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export CCFLAGS=
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export CXXFLAGS=
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export CPPFLAGS=
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# prepare
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rm -rf "$VIRTUAL_ENV/packages"
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mkdir -p "$VIRTUAL_ENV/packages" && cd "$VIRTUAL_ENV/packages" || exit 1
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CORE=xapian-core-$VERSION
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BINDINGS=xapian-bindings-$VERSION
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# download
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echo "Downloading source..."
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curl -O "https://oligarchy.co.uk/xapian/$VERSION/${CORE}.tar.xz"
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curl -O "https://oligarchy.co.uk/xapian/$VERSION/${BINDINGS}.tar.xz"
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# extract
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echo "Extracting source..."
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tar xf "${CORE}.tar.xz"
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tar xf "${BINDINGS}.tar.xz"
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# install
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echo "Installing Xapian-core..."
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cd "$VIRTUAL_ENV/packages/${CORE}" || exit 1
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./configure --prefix="$VIRTUAL_ENV" && make -j"$(nproc)" && make install
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PYTHON_FLAG=--with-python3
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echo "Installing Xapian-bindings..."
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cd "$VIRTUAL_ENV/packages/${BINDINGS}" || exit 1
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./configure --prefix="$VIRTUAL_ENV" $PYTHON_FLAG XAPIAN_CONFIG="$VIRTUAL_ENV/bin/xapian-config" && make -j"$(nproc)" && make install
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# clean
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rm -rf "$VIRTUAL_ENV/packages"
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# test
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python -c "import xapian"
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@ -92,6 +92,8 @@ optional = true
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[tool.xapian]
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version = "1.4.25"
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core-sha1 = "e2b4b4cf6076873ec9402cab7b9a3b71dcf95e20"
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bindings-sha1 = "782f568d2ea3ca751c519a2814a35c7dc86df3a4"
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[tool.ruff]
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output-format = "concise" # makes ruff error logs easier to read
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