Made a caching read_backup_properties in backup_parser.py

tibi_hardlinks/backup_parser.py

@@ -1,6 +1,8 @@
 import re
 from dateutil.parser import parse as datetime_parse, ParserError
 import pytz
+from pathlib import Path
+from tibi_hardlinks.cache import tibi_cache
 
 tzinfos = {name: pytz.timezone(name) for name in pytz.all_timezones}
 
@@ -22,3 +24,14 @@ def parse_property_text(text):
             value = match.group("value")
             properties[key] = value
     return properties
+
+
+def read_backup_properties(property_file: Path):
+    cached_result = tibi_cache.read(property_file.name)
+    if cached_result is None:
+        with open(property_file) as backup_properties:
+            data = parse_property_text(backup_properties.read())
+        tibi_cache.write(property_file.name, data)
+        return data
+    else:
+        return cached_result