def _get_version(filename):
## A bit hacky but there is no solution because some packages
## are in the form {package_name}-{version}-{something_else}-{?pyx.y}.{ext}
## and we cannot predict where is the version in that mess.
_version_re = re.compile(r'\d[\.\d\w]*')
parts = name(filename).split('-')
for part in parts:
match = _version_re.search(part)
if match is not None:
return match.group()
def _download(self, dir, req):
'''
Given a destination directory and a requirement to meet, download it and return the archive path.
'''
manager = ReqManager(req, ('.tar.gz', '.tar.bz2', '.zip'))
manager.download(dir)
d_name, version = manager.downloaded_name, manager.downloaded_version
arch_name = os.path.join(dir, d_name)
unpack(arch_name)
self.bundled.append('{0}=={1}'.format(name(d_name).split('-')[0], version))
return arch_name
