project.boost: factor out BoostVersion

1 files changed, 2 insertions, 69 deletions

diff --git a/project/boost/build.py b/project/boost/build.py
index 14c4b80..e9f2ffc 100644
--- a/project/boost/build.py
+++ b/project/boost/build.py
@@ -40,6 +40,7 @@ import sys
 import tempfile
 import urllib.request
 
+from project.boost.version import Version
 from project.configuration import Configuration
 from project.linkage import Linkage
 from project.platform import Platform
@@ -74,74 +75,6 @@ def _run_executable(cmd_line):
     return subprocess.run(cmd_line, check=True)
 
 
-_Version = namedtuple('_Version', ['major', 'minor', 'patch'])
-
-
-@total_ordering
-class BoostVersion:
-    def __init__(self, major, minor, patch):
-        self._impl = _Version(major, minor, patch)
-
-    @property
-    def major(self):
-        return self._impl.major
-
-    @property
-    def minor(self):
-        return self._impl.minor
-
-    @property
-    def patch(self):
-        return self._impl.patch
-
-    def __lt__(self, other):
-        return self._impl < other._impl
-
-    def __eq__(self, other):
-        return self._impl == other._impl
-
-    @staticmethod
-    def from_string(s):
-        result = re.match(r'^(\d+)\.(\d+)\.(\d+)$', s)
-        if result is None:
-            raise ValueError(f'invalid Boost version: {s}')
-        major = int(result.group(1))
-        minor = int(result.group(2))
-        patch = int(result.group(3))
-        return BoostVersion(major, minor, patch)
-
-    def __str__(self):
-        return f'{self.major}.{self.minor}.{self.patch}'
-
-    @property
-    def archive_ext(self):
-        return '.tar.gz'
-
-    def dir_path(self, parent_dir):
-        return os.path.join(parent_dir, self.dir_name)
-
-    @property
-    def dir_name(self):
-        return f'boost_{self.major}_{self.minor}_{self.patch}'
-
-    @property
-    def archive_name(self):
-        return f'{self.dir_name}{self.archive_ext}'
-
-    def _get_bintray_url(self):
-        return f'https://dl.bintray.com/boostorg/release/{self}/source/{self.archive_name}'
-
-    def _get_sourceforge_url(self):
-        return f'https://sourceforge.net/projects/boost/files/boost/{self}/{self.archive_name}/download'
-
-    def get_download_urls(self):
-        if self._impl < _Version(1, 63, 0):
-            # For versions older than 1.63.0, SourceForge is the only option:
-            return [self._get_sourceforge_url()]
-        # Otherwise, Bintray is preferred (the official website links to it).
-        return [self._get_bintray_url(), self._get_sourceforge_url()]
-
-
 class BoostArchive:
     def __init__(self, version, path):
         self.version = version
@@ -407,7 +340,7 @@ def _parse_args(argv=None):
                           type=_parse_dir, default='.',
                           help='directory to unpack the archive to')
     download.add_argument('boost_version', metavar='VERSION',
-                          type=BoostVersion.from_string,
+                          type=Version.from_string,
                           help='Boost version (in the MAJOR.MINOR.PATCH format)')
 
     build = subparsers.add_parser('build', help='build the libraries')