def _retrieve_cfg_path(self):
"""
Obtains a saved path from Preferences or asks the user which
path should be used and saves it for future use.
"""
prefs = Preferences("romeo")
show_cfg_file = prefs.retrieve("show_cfg_file")
while not show_cfg_file:
try:
show_cfg_file = os.environ['IH_SHOW_CFG_PATH']
except KeyError:
self._logger.warning('Environment variable IH_SHOW_CFG_PATH is not defined.')
# if there's not a file path set for the file lut,
# pop up a dialog to ask for one
show_cfg_file = commands.openFileDialog(False, False, False, '*', '/Volumes/romeo_inhouse/romeo/SHARED/romeo/lib/')
if show_cfg_file and not os.path.exists(show_cfg_file[0]):
# if we can't see the path, reset the path so
# that we can ask for it again
self._logger.warning("Chosen Romeo config file does not exist on disk, choose again.")
show_cfg_file = None
else:
# otherwise store the preference so we don't
# have to find the path again next time
prefs.store("show_cfg_file", show_cfg_file[0])
shot_cdl_path = show_cfg_file[0]
show_code = prefs.retrieve("show_code")
while not show_code:
# get the show code if it exists in the environment
try:
show_code = os.environ['IH_SHOW_CODE']
except KeyError:
self._logger.warning('Environment variable IH_SHOW_CODE is not defined. Hard-coding to romeo...')
show_code = 'romeo'
prefs.store("show_code", show_code)
self._show_code = show_code
return show_cfg_file
