107 lines
3.5 KiB
Python
107 lines
3.5 KiB
Python
#
|
|
# Copyright (c) 2022 Airbyte, Inc., all rights reserved.
|
|
#
|
|
|
|
|
|
import json
|
|
import logging
|
|
import os
|
|
import pkgutil
|
|
from abc import ABC, abstractmethod
|
|
from typing import Any, Generic, Mapping, Optional, Protocol, TypeVar
|
|
|
|
import yaml
|
|
from airbyte_cdk.models import AirbyteConnectionStatus, ConnectorSpecification
|
|
|
|
|
|
def load_optional_package_file(package: str, filename: str) -> Optional[bytes]:
|
|
"""Gets a resource from a package, returning None if it does not exist"""
|
|
try:
|
|
return pkgutil.get_data(package, filename)
|
|
except FileNotFoundError:
|
|
return None
|
|
|
|
|
|
class AirbyteSpec(object):
|
|
@staticmethod
|
|
def from_file(file_name: str):
|
|
with open(file_name) as file:
|
|
spec_text = file.read()
|
|
return AirbyteSpec(spec_text)
|
|
|
|
def __init__(self, spec_string):
|
|
self.spec_string = spec_string
|
|
|
|
|
|
TConfig = TypeVar("TConfig", bound=Mapping[str, Any])
|
|
|
|
|
|
class BaseConnector(ABC, Generic[TConfig]):
|
|
# configure whether the `check_config_against_spec_or_exit()` needs to be called
|
|
check_config_against_spec: bool = True
|
|
|
|
@abstractmethod
|
|
def configure(self, config: Mapping[str, Any], temp_dir: str) -> TConfig:
|
|
"""
|
|
Persist config in temporary directory to run the Source job
|
|
"""
|
|
|
|
@staticmethod
|
|
def read_config(config_path: str) -> TConfig:
|
|
with open(config_path, "r") as file:
|
|
contents = file.read()
|
|
return json.loads(contents)
|
|
|
|
@staticmethod
|
|
def write_config(config: TConfig, config_path: str):
|
|
with open(config_path, "w") as fh:
|
|
fh.write(json.dumps(config))
|
|
|
|
def spec(self, logger: logging.Logger) -> ConnectorSpecification:
|
|
"""
|
|
Returns the spec for this integration. The spec is a JSON-Schema object describing the required configurations (e.g: username and password)
|
|
required to run this integration. By default, this will be loaded from a "spec.yaml" or a "spec.json" in the package root.
|
|
"""
|
|
|
|
package = self.__class__.__module__.split(".")[0]
|
|
|
|
yaml_spec = load_optional_package_file(package, "spec.yaml")
|
|
json_spec = load_optional_package_file(package, "spec.json")
|
|
|
|
if yaml_spec and json_spec:
|
|
raise RuntimeError("Found multiple spec files in the package. Only one of spec.yaml or spec.json should be provided.")
|
|
|
|
if yaml_spec:
|
|
spec_obj = yaml.load(yaml_spec, Loader=yaml.SafeLoader)
|
|
elif json_spec:
|
|
spec_obj = json.loads(json_spec)
|
|
else:
|
|
raise FileNotFoundError("Unable to find spec.yaml or spec.json in the package.")
|
|
|
|
return ConnectorSpecification.parse_obj(spec_obj)
|
|
|
|
@abstractmethod
|
|
def check(self, logger: logging.Logger, config: TConfig) -> AirbyteConnectionStatus:
|
|
"""
|
|
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
|
|
to the Stripe API.
|
|
"""
|
|
|
|
|
|
class _WriteConfigProtocol(Protocol):
|
|
@staticmethod
|
|
def write_config(config: Mapping[str, Any], config_path: str):
|
|
...
|
|
|
|
|
|
class DefaultConnectorMixin:
|
|
# can be overridden to change an input config
|
|
def configure(self: _WriteConfigProtocol, config: Mapping[str, Any], temp_dir: str) -> Mapping[str, Any]:
|
|
config_path = os.path.join(temp_dir, "config.json")
|
|
self.write_config(config, config_path)
|
|
return config
|
|
|
|
|
|
class Connector(DefaultConnectorMixin, BaseConnector[Mapping[str, Any]], ABC):
|
|
...
|