def install(self, package_names):
dftlib.ensure_dir(self.workdir)
pkgs_avail = self._pkgs_get_available()
for package_name in package_names:
if package_name in pkgs_avail:
pkg = package(package_name)
if pkg.status() == "installed":
pass
"""
def _pkgs_update_available(self):
""" If avilable packages.json doesn't exist, download it.
If it does exist download a fresh copy, and if the
versions differ, write the contents of the new file
to the old one.
"""
dftlib.ensure_dir(self.workdir)
pkgs_web = dftlib.get_url(self.config["urls"]["pkg_list"])
if not path.exists(path.join(self.workdir, self.pkg_list)):
dftlib.write(self.pkg_list, pkgs_web)
else:
pkgs_new = json.loads(pkgs_web)
pkgs_cur = json.loads(dftlib.read(
path.join(self.workdir, self.pkg_list)))
if int(pkgs_new["version"]) > int(pkgs_cur["version"]):
dftlib.write(self.pkg_list, json.dumps(pkgs_new))
