43 lines
1.6 KiB
Python
43 lines
1.6 KiB
Python
#
|
|
# Copyright (c) 2023 Airbyte, Inc., all rights reserved.
|
|
#
|
|
|
|
import pkgutil
|
|
|
|
import yaml
|
|
from airbyte_cdk.sources.declarative.manifest_declarative_source import ManifestDeclarativeSource
|
|
from airbyte_cdk.sources.declarative.types import ConnectionDefinition
|
|
|
|
|
|
class YamlDeclarativeSource(ManifestDeclarativeSource):
|
|
"""Declarative source defined by a yaml file"""
|
|
|
|
def __init__(self, path_to_yaml, debug: bool = False):
|
|
"""
|
|
:param path_to_yaml: Path to the yaml file describing the source
|
|
"""
|
|
self._path_to_yaml = path_to_yaml
|
|
source_config = self._read_and_parse_yaml_file(path_to_yaml)
|
|
super().__init__(source_config, debug)
|
|
|
|
def _read_and_parse_yaml_file(self, path_to_yaml_file) -> ConnectionDefinition:
|
|
package = self.__class__.__module__.split(".")[0]
|
|
|
|
yaml_config = pkgutil.get_data(package, path_to_yaml_file)
|
|
decoded_yaml = yaml_config.decode()
|
|
return self._parse(decoded_yaml)
|
|
|
|
def _emit_manifest_debug_message(self, extra_args: dict):
|
|
extra_args["path_to_yaml"] = self._path_to_yaml
|
|
self.logger.debug("declarative source created from parsed YAML manifest", extra=extra_args)
|
|
|
|
@staticmethod
|
|
def _parse(connection_definition_str: str) -> ConnectionDefinition:
|
|
"""
|
|
Parses a yaml file into a manifest. Component references still exist in the manifest which will be
|
|
resolved during the creating of the DeclarativeSource.
|
|
:param connection_definition_str: yaml string to parse
|
|
:return: The ConnectionDefinition parsed from connection_definition_str
|
|
"""
|
|
return yaml.safe_load(connection_definition_str)
|