102 lines
3.5 KiB
Python
102 lines
3.5 KiB
Python
#
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# Copyright (c) 2021 Airbyte, Inc., all rights reserved.
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#
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import json
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import os
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import pkgutil
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from collections import defaultdict
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from typing import Dict, Generator
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from airbyte_protocol import AirbyteCatalog, AirbyteConnectionStatus, AirbyteMessage, ConfiguredAirbyteCatalog, ConnectorSpecification
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from .logger import AirbyteLogger
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class AirbyteSpec(object):
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@staticmethod
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def from_file(file: str):
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with open(file) as file:
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spec_text = file.read()
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return AirbyteSpec(spec_text)
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def __init__(self, spec_string):
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self.spec_string = spec_string
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class Integration(object):
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# can be overridden to change an input config
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def configure(self, config: json, temp_dir: str) -> json:
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"""
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Persist config in temporary directory to run the Source job
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"""
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config_path = os.path.join(temp_dir, "config.json")
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self.write_config(config, config_path)
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return config
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@staticmethod
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def read_config(config_path: str) -> json:
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with open(config_path, "r") as file:
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contents = file.read()
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return json.loads(contents)
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@staticmethod
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def write_config(config: json, config_path: str):
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with open(config_path, "w") as fh:
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fh.write(json.dumps(config))
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# can be overridden to change an input catalog
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def read_catalog(self, catalog_path: str) -> ConfiguredAirbyteCatalog:
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return ConfiguredAirbyteCatalog.parse_obj(self.read_config(catalog_path))
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# can be overridden to change an input state
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def read_state(self, state_path: str) -> Dict[str, any]:
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if state_path:
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state_obj = json.loads(open(state_path, "r").read())
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else:
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state_obj = {}
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state = defaultdict(dict, state_obj)
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return state
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def spec(self, logger: AirbyteLogger) -> ConnectorSpecification:
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"""
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Returns the spec for this integration. The spec is a JSON-Schema object describing the required configurations (e.g: username and password)
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required to run this integration.
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"""
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raw_spec = pkgutil.get_data(self.__class__.__module__.split(".")[0], "spec.json")
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return ConnectorSpecification.parse_obj(json.loads(raw_spec))
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def check(self, logger: AirbyteLogger, config: json) -> AirbyteConnectionStatus:
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"""
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Tests if the input configuration can be used to successfully connect to the integration e.g: if a provided Stripe API token can be used to connect
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to the Stripe API.
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"""
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raise Exception("Not Implemented")
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def discover(self, logger: AirbyteLogger, config: json) -> AirbyteCatalog:
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"""
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Returns an AirbyteCatalog representing the available streams and fields in this integration. For example, given valid credentials to a
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Postgres database, returns an Airbyte catalog where each postgres table is a stream, and each table column is a field.
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"""
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raise Exception("Not Implemented")
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class Source(Integration):
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def __init__(self):
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super().__init__()
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def read(
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self, logger: AirbyteLogger, config: json, catalog: ConfiguredAirbyteCatalog, state_path: Dict[str, any]
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) -> Generator[AirbyteMessage, None, None]:
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"""
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Returns a generator of the AirbyteMessages generated by reading the source with the given configuration, catalog, and state.
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"""
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raise Exception("Not Implemented")
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class Destination(Integration):
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def __init__(self):
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super().__init__()
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