openstack
/
pyeclib
Code Issues Proposed changes

Merge "Use liberasurecode_get_version()"

This commit is contained in:
Zuul 2019-03-05 23:40:03 +00:00 committed by Gerrit Code Review
parent df28f6521c 931c4e4559
commit bec3387a18
1 changed files with 24 additions and 4 deletions
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28
setup.py
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@ -28,6 +28,7 @@ import os
import platform
import sys
import ctypes
from ctypes.util import find_library
from distutils.command.build import build as _build
from distutils.command.clean import clean as _clean
@ -84,10 +85,29 @@ class build(_build):
found_path = _find_library("erasurecode")
if found_path:
if found_path.endswith(library_version) or \
found_path.find(library_version + ".") > -1:
# call 1.x.x the only compatible version for now
return
libec = ctypes.CDLL(found_path)
try:
packed_version = libec.liberasurecode_get_version()
except AttributeError:
# If we don't have the version getter, we're probably
# pre-1.4.0; fall back to some heuristics based on name
version_parts = [x for x in found_path.split('.')
if x.isdigit()]
if not version_parts:
# A bare .so? Well, we haven't released a 2.x yet... but
# if we ever do, hopefully it'd still provide a
# liberasurecode_get_version()
return
if version_parts[0] == library_version:
return
# else, seems to be an unknown version -- assume it won't work
else:
version = (
packed_version >> 16,
(packed_version >> 8) & 0xff,
packed_version & 0xff)
if (1, 0, 0) <= version < (2, 0, 0):
return
if platform_str.find("Darwin") > -1:
liberasure_file = \