def deprecated_file_path(self, deprecated_spec, deprecator_spec=None):
"""Gets full path to spec file for deprecated spec
If the deprecator_spec is provided, use that. Otherwise, assume
deprecated_spec is already deprecated and its prefix links to the
prefix of its deprecator."""
_check_concrete(deprecated_spec)
if deprecator_spec:
_check_concrete(deprecator_spec)
# If deprecator spec is None, assume deprecated_spec already deprecated
# and use its link to find the file.
base_dir = self.path_for_spec(
deprecator_spec
) if deprecator_spec else os.readlink(deprecated_spec.prefix)
yaml_path = os.path.join(base_dir, self.metadata_dir,
self.deprecated_dir, deprecated_spec.dag_hash()
+ '_' + self._spec_file_name_yaml)
json_path = os.path.join(base_dir, self.metadata_dir,
self.deprecated_dir, deprecated_spec.dag_hash()
+ '_' + self.spec_file_name)
if (os.path.exists(yaml_path) and fs.can_write_to_dir(yaml_path)):
self.write_spec(deprecated_spec, json_path)
try:
os.remove(yaml_path)
except (IOError, OSError) as err:
tty.debug('Could not remove deprecated {0}'.format(yaml_path))
tty.debug(err)
elif os.path.exists(yaml_path):
return yaml_path
return json_path
def spec_file_path(self, spec):
"""Gets full path to spec file"""
_check_concrete(spec)
# Attempts to convert to JSON if possible.
# Otherwise just returns the YAML.
yaml_path = os.path.join(
self.metadata_path(spec), self._spec_file_name_yaml)
json_path = os.path.join(self.metadata_path(spec), self.spec_file_name)
if os.path.exists(yaml_path) and fs.can_write_to_dir(yaml_path):
self.write_spec(spec, json_path)
try:
os.remove(yaml_path)
except OSError as err:
tty.debug('Could not remove deprecated {0}'.format(yaml_path))
tty.debug(err)
elif os.path.exists(yaml_path):
return yaml_path
return json_path
def _can_revert_update(scope_dir, cfg_file, bkp_file):
dir_ok = fs.can_write_to_dir(scope_dir)
cfg_ok = not os.path.exists(cfg_file) or fs.can_access(cfg_file)
bkp_ok = fs.can_access(bkp_file)
return dir_ok and cfg_ok and bkp_ok
def _can_update_config_file(scope_dir, cfg_file):
dir_ok = fs.can_write_to_dir(scope_dir)
cfg_ok = fs.can_access(cfg_file)
return dir_ok and cfg_ok
