fix: encoding of cache

music_kraken/connection/cache.py

@@ -1,6 +1,6 @@
 import json
 from pathlib import Path
-from dataclasses import dataclass
+from dataclasses import dataclass, field
 from datetime import datetime, timedelta
 from typing import List, Optional
 from functools import lru_cache
@@ -18,6 +18,8 @@ class CacheAttribute:
     created: datetime
     expires: datetime
     
+    additional_info: dict = field(default_factory=dict)
+
     @property
     def id(self):
         return f"{self.module}_{self.name}"
@@ -32,6 +34,12 @@ class CacheAttribute:
         return self.__dict__ == other.__dict__
 
 
+@dataclass
+class CacheResult:
+    content: bytes
+    attribute: CacheAttribute
+
+
 class Cache:
     def __init__(self, module: str, logger: logging.Logger):
         self.module = module
@@ -100,7 +108,7 @@ class Cache:
 
         return True
 
-    def set(self, content: bytes, name: str, expires_in: float = 10, module: str = ""):
+    def set(self, content: bytes, name: str, expires_in: float = 10, module: str = "", additional_info: dict = None):
         """
         :param content:
         :param module:
@@ -111,6 +119,7 @@ class Cache:
         if name == "":
             return
 
+        additional_info = additional_info or {}
         module = self.module if module == "" else module
 
         module_path = self._init_module(module)
@@ -128,7 +137,7 @@ class Cache:
             self.logger.debug(f"writing cache to {cache_path}")
             content_file.write(content)
 
-    def get(self, name: str) -> Optional[bytes]:
+    def get(self, name: str) -> Optional[CacheResult]:
         path = fit_to_file_system(Path(self._dir, self.module, name), hidden_ok=True)
 
         if not path.is_file():
@@ -140,7 +149,7 @@ class Cache:
             return
 
         with path.open("rb") as f:
-            return f.read()
+            return CacheResult(content=f.read(), attribute=existing_attribute)
 
     def clean(self):
         keep = set()

music_kraken/connection/connection.py

@@ -133,7 +133,9 @@ class Connection:
         if self.cache.get(name) is not None and no_update_if_valid_exists:
             return
 
-        self.cache.set(r.content, name, expires_in=kwargs.get("expires_in", self.cache_expiring_duration), **n_kwargs)
+        self.cache.set(r.content, name, expires_in=kwargs.get("expires_in", self.cache_expiring_duration), additional_info={
+            "encoding", r.encoding,
+        }, **n_kwargs)
 
     def request(
             self,
@@ -189,10 +191,14 @@ class Connection:
                 request_trace(f"{trace_string}\t[cached]")
 
                 with responses.RequestsMock() as resp:
+                    body = cached.content
+                    if "encoding" in cached.additional_info:
+                        body = body.decode(cached.additional_info["encoding"])
+
                     resp.add(
                         method=method,
                         url=request_url,
-                        body=cached,
+                        body=body,
                     )
                     return requests.request(method=method, url=url, timeout=timeout, headers=headers, **kwargs)