pulumi/sdk/python/lib/pulumi/urn.py

42 lines
1.4 KiB
Python

# Copyright 2016-2021, Pulumi Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from collections import namedtuple
_UrnParts = namedtuple(
"_UrnParts", ["urn_name", "typ", "pkg_name", "mod_name", "typ_name"]
)
def _parse_urn(urn: str) -> _UrnParts:
try:
urn_parts = urn.split("::")
urn_name = urn_parts[3] if len(urn_parts) >= 4 else ""
qualified_type = urn_parts[2]
typ = qualified_type.split("$")[-1]
typ_parts = typ.split(":")
pkg_name = typ_parts[0]
mod_name = typ_parts[1] if len(typ_parts) > 1 else ""
typ_name = typ_parts[2] if len(typ_parts) > 2 else ""
return _UrnParts(
urn_name=urn_name,
typ=typ,
pkg_name=pkg_name,
mod_name=mod_name,
typ_name=typ_name,
)
except Exception as e:
raise ValueError(f"Cannot parse URN: {urn}") from e