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authorEgor Tensin <Egor.Tensin@gmail.com>2020-01-04 00:34:52 +0300
committerEgor Tensin <Egor.Tensin@gmail.com>2020-01-04 00:34:52 +0300
commitfd34d988ef84c20c6d4f26ed88112168d54d0f2b (patch)
tree90b707e4c9d3f03c18aa707bf50b0665c742ba26 /boost/build
parentrearrange all files completely (diff)
downloadcmake-common-fd34d988ef84c20c6d4f26ed88112168d54d0f2b.tar.gz
cmake-common-fd34d988ef84c20c6d4f26ed88112168d54d0f2b.zip
boost/build: overhaul `build.py download`
For instance, it can now cache archives.
Diffstat (limited to 'boost/build')
-rwxr-xr-xboost/build/build.py120
1 files changed, 88 insertions, 32 deletions
diff --git a/boost/build/build.py b/boost/build/build.py
index d535338..7668330 100755
--- a/boost/build/build.py
+++ b/boost/build/build.py
@@ -10,6 +10,7 @@
# archive in a cross-platform way + setting the correct --stagedir parameter
# value to avoid name clashes.
+import abc
import argparse
from contextlib import contextmanager
from enum import Enum
@@ -137,29 +138,87 @@ class BoostArchive:
self.version = version
self.path = path
- def __enter__(self):
- return self
-
- def __exit__(self, exc_type, exc_value, traceback):
- logging.info('Removing temporary file: %s', self.path)
- os.remove(self.path)
-
@property
def dir_name(self):
return self.version.dir_name
- @staticmethod
- def download(version):
- path = None
- with tempfile.NamedTemporaryFile(prefix='boost_', suffix=version.archive_ext, delete=False) as dest:
- path = dest.name
- logging.info('Downloading Boost to: %s', path)
- url = version.get_download_url()
- logging.info('Download URL: %s', url)
+ def unpack(self, dest_dir):
+ path = os.path.join(dest_dir, self.dir_name)
+ if os.path.exists(path):
+ raise RuntimeError(f'Boost directory already exists: {path}')
+ logging.info('Unpacking Boost to: %s', path)
+ shutil.unpack_archive(self.path, dest_dir)
+ return BoostDir(path)
+
+
+class ArchiveStorage(abc.ABC):
+ @contextmanager
+ def download(self, version):
+ path = self.get_archive(version)
+ if path is not None:
+ logging.info('Using existing Boost archive: %s', path)
+ yield BoostArchive(version, path)
+ return
+
+ url = version.get_download_url()
+ logging.info('Download URL: %s', url)
+
+ with urllib.request.urlopen(url) as request:
+ with self.write_archive(version, request.read()) as path:
+ yield BoostArchive(version, path)
+
+ @abc.abstractmethod
+ def get_archive(self, version):
+ pass
+
+ @contextmanager
+ @abc.abstractmethod
+ def write_archive(self, version, contents):
+ pass
+
- with urllib.request.urlopen(url) as request:
- dest.write(request.read())
- return BoostArchive(version, path)
+class CacheStorage(ArchiveStorage):
+ def __init__(self, cache_dir):
+ self._dir = cache_dir
+
+ def _archive_path(self, version):
+ return os.path.join(self._dir, version.archive_name)
+
+ def get_archive(self, version):
+ path = self._archive_path(version)
+ if os.path.exists(path):
+ return path
+ return None
+
+ @contextmanager
+ def write_archive(self, version, contents):
+ path = self._archive_path(version)
+ logging.info('Writing Boost archive: %s', path)
+ if os.path.exists(path):
+ raise RuntimeError(f'cannot download Boost, file already exists: {path}')
+ with open(path, mode='w+b') as dest:
+ dest.write(contents)
+ yield path
+
+
+class TempStorage(ArchiveStorage):
+ def __init__(self, temp_dir):
+ self._dir = temp_dir
+
+ def get_archive(self, version):
+ return None
+
+ @contextmanager
+ def write_archive(self, version, contents):
+ with tempfile.NamedTemporaryFile(prefix=f'boost_{version}_', suffix=version.archive_ext, dir=self._dir, delete=False) as dest:
+ path = dest.name
+ logging.info('Writing Boost archive: %s', path)
+ dest.write(contents)
+ try:
+ yield path
+ finally:
+ logging.info('Removing temporary Boost archive: %s', path)
+ os.remove(path)
class BoostDir:
@@ -168,15 +227,6 @@ class BoostDir:
raise RuntimeError(f"Boost directory doesn't exist: {path}")
self.path = path
- @staticmethod
- def unpack(archive, dest):
- path = os.path.join(dest, archive.dir_name)
- if os.path.exists(path):
- raise RuntimeError(f'Boost directory already exists: {path}')
- logging.info('Unpacking Boost to: %s', path)
- shutil.unpack_archive(archive.path, dest)
- return BoostDir(path)
-
def _go(self):
return _chdir(self.path)
@@ -274,13 +324,16 @@ def _parse_args(argv=None):
parser = argparse.ArgumentParser()
subparsers = parser.add_subparsers(dest='command')
- download = subparsers.add_parser('download', help='download Boost')
+ download = subparsers.add_parser('download', help='download & bootstrap Boost')
download.add_argument('boost_version', metavar='VERSION',
type=BoostVersion.from_string,
help='Boost version (in the MAJOR.MINOR.PATCH format)')
- download.add_argument('--build', metavar='DIR', dest='build_dir',
+ download.add_argument('--cache', metavar='DIR', dest='cache_dir',
+ type=os.path.abspath,
+ help='download directory (will download Boost to a temporary file and delete it unless specified)')
+ download.add_argument('--unpack', metavar='DIR', dest='unpack_dir',
type=os.path.abspath, default='.',
- help='destination directory')
+ help='directory to unpack Boost to')
build = subparsers.add_parser('build', help='build Boost libraries')
build.add_argument('--platform', metavar='PLATFORM',
@@ -306,8 +359,11 @@ def build(args):
def download(args):
- with BoostArchive.download(args.boost_version) as archive:
- boost_dir = BoostDir.unpack(archive, args.build_dir)
+ storage = TempStorage(args.unpack_dir)
+ if args.cache_dir is not None:
+ storage = CacheStorage(args.cache_dir)
+ with storage.download(args.boost_version) as archive:
+ boost_dir = archive.unpack(args.unpack_dir)
boost_dir.bootstrap()