Source code for cfme.utils.version

# -*- coding: utf-8 -*-
from datetime import date, datetime

from miq_version import (  # noqa
    Version, LOWEST, LATEST, UPSTREAM, SPTuple, get_version,
from widgetastic.utils import VersionPick
from widgetastic.widget import Widget

from cfme.fixtures.pytest_store import store

[docs]def get_stream(ver): """Return a stream name for given Version obj or version string """ ver = Version(ver) if is not None: return else: raise LookupError("no matching stream found for version {}".format(ver))
[docs]def current_version(): """A lazy cached method to return the appliance version. Do not catch errors, since generally we cannot proceed with testing, without knowing the server version. """ return store.current_appliance.version
[docs]def appliance_build_datetime(): try: return store.current_appliance.build_datetime except: return None
[docs]def appliance_build_date(): try: return store.current_appliance.build_date except: return None
[docs]def appliance_is_downstream(): return store.current_appliance.is_downstream
[docs]def parsedate(o): if isinstance(o, date): return o elif isinstance(o, datetime): return else: # 1234-12-13 return date(*[int(x) for x in str(o).split("-", 2)])
[docs]def appliance_has_netapp(): try: return store.current_appliance.has_netapp() except: return None
[docs]class VersionPicker(VersionPick): """An adopted version of :py:class:`widgetastic.utils.VersionPick` descriptor.""" def __get__(self, obj, cls=None): if obj is None: return self # in order to keep widgetastic.utils.VersionPick behaviour elif isinstance(obj, Widget): return super(VersionPicker, self).__get__(obj) else: return self.pick(obj.appliance.version)
[docs] def pick(self, active_version=None): """ Collapses an ambiguous series of objects bound to specific versions by interrogating the CFME Version and returning the correct item. Args: active_version: a :py:class:`miq_version.Version` instance. Returns: A value from the version dictionary. """ # convert keys to Versions active_version = active_version or current_version() v_dict = {get_version(k): v for (k, v) in self.version_dict.items()} versions = v_dict.keys() sorted_matching_versions = sorted((v for v in versions if v <= active_version), reverse=True) return v_dict.get(sorted_matching_versions[0]) if sorted_matching_versions else None