def download(self, reference, package_ids, remote=None):
""" Download conanfile and specified packages to local repository
@param reference: ConanFileReference
@param package_ids: Package ids or empty for download all
@param remote: install only from that remote
"""
assert(isinstance(reference, ConanFileReference))
installer = ConanInstaller(self._paths, self._user_io, None, self.remote_manager, remote)
if package_ids:
installer.download_packages(reference, package_ids)
else: # Not specified packages, download all
info = self.remote_manager.search(str(reference), remote, ignorecase=False)
if reference not in info:
remote = remote or self.remote_manager.default_remote
raise ConanException("'%s' not found in remote '%s'" % (str(reference), remote))
installer.download_packages(reference, info[reference].keys())
