Implement naive MARC fetcher

metadata_fetcher/fetchers/marc_fetcher.py

@@ -0,0 +1,23 @@
+import requests
+
+from .Fetcher import Fetcher
+import json
+import pymarc
+
+
+class MarcFetcher(Fetcher):
+    def __init__(self, params: dict[str]):
+        super(MarcFetcher, self).__init__(params)
+        self.url = params.get("harvest_data").get("url")
+
+    def build_fetch_request(self) -> dict[str]:
+        return {"url": self.url}
+
+    def check_page(self, http_resp: requests.Response) -> int:
+        return sum(1 for _ in pymarc.MARCReader(http_resp.content,
+                                                to_unicode=True,
+                                                utf8_handling="replace"))
+
+    def json(self) -> str:
+        return json.dumps({"finished": True})
+

metadata_fetcher/requirements.txt

@@ -3,3 +3,4 @@ requests
 sickle
 python-dotenv
 beautifulsoup4
+pymarc