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airbyte_cdk_source_connector_exchange_rates_http_stream.py

python

A basic implementation of an Airbyte Source that reads from a single HTTP st

15d ago59 linesdocs.airbyte.com
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airbyte_cdk_source_connector_exchange_rates_http_stream.py
1import sys
2from typing import Any, Iterable, List, Mapping, MutableMapping, Optional, Tuple
3
4import requests
5from airbyte_cdk.sources import AbstractSource
6from airbyte_cdk.sources.streams import Stream
7from airbyte_cdk.sources.streams.http import HttpStream
8
9
10class ExchangeRates(HttpStream):
11    url_base = "https://api.apilayer.com/exchangerates_data/"
12    cursor_field = "date"
13    primary_key = "date"
14
15    def __init__(self, config: Mapping[str, Any], **kwargs):
16        super().__init__(**kwargs)
17        self.base_currency = config["base"]
18        self.apikey = config["apikey"]
19
20    def path(self, **kwargs) -> str:
21        return "latest"
22
23    def request_params(self, **kwargs) -> Mapping[str, Any]:
24        return {"base": self.base_currency}
25
26    def request_headers(self, **kwargs) -> Mapping[str, Any]:
27        return {"apikey": self.apikey}
28
29    def parse_response(self, response: requests.Response, **kwargs) -> Iterable[Mapping]:
30        response_json = response.json()
31        yield response_json
32
33    def next_page_token(self, response: requests.Response) -> Optional[Mapping[str, Any]]:
34        return None
35
36
37class SourceExchangeRatesTutorial(AbstractSource):
38    def check_connection(self, logger, config) -> Tuple[bool, any]:
39        try:
40            params = {"base": config["base"]}
41            headers = {"apikey": config["apikey"]}
42            resp = requests.get(f"{ExchangeRates.url_base}latest", params=params, headers=headers)
43            status = resp.status_code
44            if status == 200:
45                return True, None
46            return False, resp.text
47        except Exception as e:
48            return False, e
49
50    def streams(self, config: Mapping[str, Any]) -> List[Stream]:
51        return [ExchangeRates(config=config)]
52
53
54if __name__ == "__main__":
55    source = SourceExchangeRatesTutorial()
56    # The launch method handles the standard Airbyte command line arguments (spec, check, discover, read)
57    # and routes them to the appropriate methods in the Source class.
58    from airbyte_cdk.entrypoint import launch
59    launch(source, sys.argv[1:])