feat: accelerate RSS parsing with Rust

tests/test_rust_accel.py

@@ -99,13 +99,37 @@ def test_rust_indexer_search_url_keeps_existing_query_and_category():
     assert "search_field=imdb0049406" in search_url
 
 
-def test_rust_filesize_parser_matches_site_units():
+def test_rust_rss_parser_extracts_common_rss_and_atom_fields():
     """
-    Rust 文件大小解析应覆盖站点解析器常见单位。
+    Rust RSS 解析应同时覆盖 RSS item 和 Atom entry 的核心字段。
     """
-    assert rust_accel.parse_filesize("1.5 GB") == 1610612736
-    assert rust_accel.parse_filesize("2 TiB") == 2199023255552
-    assert rust_accel.parse_filesize("42") == 42
+    xml_text = """
+    <rss><channel>
+      <item>
+        <title>Example Torrent</title>
+        <description><![CDATA[Desc]]></description>
+        <link>https://example.org/details/1</link>
+        <enclosure url="https://example.org/download/1.torrent" length="1024" />
+        <pubDate>Tue, 19 May 2026 08:30:00 GMT</pubDate>
+        <dc:creator>豆瓣用户</dc:creator>
+      </item>
+      <entry>
+        <title>Atom Torrent</title>
+        <summary>Atom Desc</summary>
+        <link href="https://example.org/atom/2" />
+        <updated>2026-05-19T09:30:00Z</updated>
+      </entry>
+    </channel></rss>
+    """
+
+    items = rust_accel.parse_rss_items(xml_text, 100)
+
+    assert items[0]["title"] == "Example Torrent"
+    assert items[0]["enclosure"] == "https://example.org/download/1.torrent"
+    assert items[0]["size"] == 1024
+    assert items[0]["nickname"] == "豆瓣用户"
+    assert items[1]["title"] == "Atom Torrent"
+    assert items[1]["enclosure"] == "https://example.org/atom/2"
 
 
 def test_rust_indexer_page_parser_handles_common_fields():

tests/test_subscribe_chain.py

@@ -16,13 +16,13 @@ def _load_subscribe_chain_class():
         module = sys.modules[module_name]
         return module, module.SubscribeChain
 
-    injected_modules = {}
+    original_modules = {}
 
     def ensure_module(name: str, module: types.ModuleType):
-        if name in sys.modules:
-            return sys.modules[name]
+        """临时替换模块依赖，并记录原模块以便加载完成后恢复。"""
+        if name not in original_modules:
+            original_modules[name] = sys.modules.get(name)
         sys.modules[name] = module
-        injected_modules[name] = module
         return module
 
     chain_module = ensure_module("app.chain", types.ModuleType("app.chain"))
@@ -270,9 +270,15 @@ def _load_subscribe_chain_class():
     sys.modules[module_name] = module
     assert spec and spec.loader
     spec.loader.exec_module(module)
-    module._injected_modules = injected_modules
-    for injected_name in injected_modules:
-        sys.modules.pop(injected_name, None)
+    module._injected_modules = {
+        name: sys.modules.get(name)
+        for name in original_modules
+    }
+    for injected_name, original_module in original_modules.items():
+        if original_module is None:
+            sys.modules.pop(injected_name, None)
+        else:
+            sys.modules[injected_name] = original_module
     return module, module.SubscribeChain