Detector: almost complete

Signed-off-by: Václav Valíček <valicek1994@gmail.com>

repo_cloner/lib/disk_stored_refs.py

@@ -0,0 +1,52 @@
+import json
+from pathlib import Path
+import logging
+
+log = logging.getLogger("rc.refstor")
+
+
+class DiskStoredRefs:
+	__file: Path = None
+	__refs: dict = {}
+
+	def __init__(self, file: Path):
+		log.debug(f"Initializing disk stored refs: {file.as_posix()}")
+		self.__file = file
+		self.__refs = {}
+
+		if self.__file.is_file():
+			log.debug(f"Loading from file")
+			self.__refs = dict(json.loads(self.__file.read_text()))
+
+	def __persist(self):
+
+		self.__file.write_text(json.dumps(sorted(self.__refs.items())))
+
+	def keys(self):
+		return list(self.__refs.keys())
+
+	def count(self):
+		log.debug(f"DiskStoredRefs: {len(self.__refs)} items")
+		return len(self.__refs)
+
+	def __len__(self):
+		log.debug(f"DiskStoredRefs: {len(self.__refs)} items")
+		return len(self.__refs)
+
+	def get(self, key):
+		log.debug(f"DiskStoredRefs: getting key {key}")
+		return self.__refs.get(key)
+
+	def remove(self, key) -> bool:
+		if key not in self.__refs:
+			log.debug(f"DiskStoredRefs: {key} not found for deletion")
+			return False
+		log.debug(f"DiskStoredRefs: Deleting key {key}")
+		del self.__refs[key]
+		self.__persist()
+		return True
+
+	def update(self, key: str, value: str):
+		log.debug(f"DiskStoredRefs: update {key} => {value}")
+		self.__refs[key] = value
+		self.__persist()