Cache to automagically download .hrb files

cache.py

@@ -0,0 +1,39 @@
+from os import listdir, mkdir, path
+import re
+import fetch
+
+NAME_REGEX = r'(.*\..*)(_)'
+
+
+class Cache:
+    def __init__(self, dir: str = "AutoDatabaseGenerator/Resources"):
+        self.dir = dir
+        self._cache = dict()
+        self._scan_cache()
+
+    def get(self, name: str):
+        if name in self._cache:
+            return path.abspath(self.dir + self._cache[name])
+
+        try:
+            driver = fetch.get_driver_by_exact_name(name)
+            file = fetch.download_driver(driver, self.dir)
+        except Exception as e:
+            raise Exception("Could not fetch driver", e)
+
+        self._cache[name] = file
+        return path.abspath(self.dir + self._cache[name])
+
+    def _scan_cache(self):
+        try:
+            files = listdir(self.dir)
+            print("files found: ", files)
+        except FileNotFoundError:
+            mkdir(self.dir)
+            return
+
+        filtered = [file for file in files if file.endswith('.hrb')]
+
+        for file in filtered:
+            name = re.match(NAME_REGEX, file).group(1)
+            self._cache[name] = file