def _get_installer(self):
from zc.buildout.easy_install import Installer
import sys
dest = self.buildout['buildout']['eggs-directory']
links = self.buildout['buildout'].get('find-links', '').split()
index = self.buildout['buildout'].get('index')
always_unzip = None
path = [self.buildout['buildout']['develop-eggs-directory']]
allow_hosts = ('*', )
newest = True
versions = None
use_dependency_links = False
check_picked = True
installer = Installer(dest,
links,
index,
sys.executable,
always_unzip,
path,
newest,
versions,
use_dependency_links,
allow_hosts=allow_hosts,
check_picked=check_picked)
return installer
def get_newest_release(package_name, index=None):
"""Get the newest release version for a package from pypi.
"""
installer = Installer(index=index)
requirement = Requirement.parse(package_name)
dist = installer._obtain(requirement)
if dist:
return dist.version
else:
return None
