Fix incorrect location of redirects.sqlite when using filesystem backend

HISTORY.md

@@ -45,6 +45,9 @@
   * Add aliases for previous names for backwards-compatibility
 
 -----
+### 0.7.5 (2021-TBD)
+* Fix incorrect location of `redirects.sqlite` when using filesystem backend
+
 ### 0.7.4 (2021-08-16)
 * Fix an issue with httpdate strings from `Expires` headers not getting converted to UTC
 * Fix a packaging issue with extra files added to top-level wheel directory

requests_cache/backends/filesystem.py

@@ -38,7 +38,7 @@
 from contextlib import contextmanager
 from glob import glob
 from os import listdir, makedirs, unlink
-from os.path import basename, dirname, join, splitext
+from os.path import basename, join, splitext
 from pathlib import Path
 from pickle import PickleError
 from shutil import rmtree
@@ -64,13 +64,19 @@ class FileCache(BaseCache):
     def __init__(self, cache_name: Union[Path, str] = 'http_cache', use_temp: bool = False, **kwargs):
         super().__init__(**kwargs)
         self.responses = FileDict(cache_name, use_temp=use_temp, **kwargs)
-        db_path = join(dirname(self.responses.cache_dir), 'redirects.sqlite')
+        db_path = join(self.responses.cache_dir, 'redirects.sqlite')
         self.redirects = SQLiteDict(db_path, 'redirects', **kwargs)
 
     def paths(self) -> List[str]:
         """Get absolute file paths to all cached responses"""
         return self.responses.paths()
 
+    def clear(self):
+        """Clear the cache"""
+        # FileDict.clear() removes and re-creates the cache directory, including redirects.sqlite
+        self.responses.clear()
+        self.redirects.init_db()
+
 
 class FileDict(BaseStorage):
     """A dictionary-like interface to files on the local filesystem"""
@@ -126,8 +132,7 @@ def __setitem__(self, key, value):
                 f.write(self.serializer.dumps(value))
 
     def __iter__(self):
-        for path in self.paths():
-            yield splitext(basename(path))[0]
+        yield from self.keys()
 
     def __len__(self):
         return len(listdir(self.cache_dir))
@@ -137,6 +142,9 @@ def clear(self):
             rmtree(self.cache_dir, ignore_errors=True)
             makedirs(self.cache_dir)
 
+    def keys(self):
+        return [splitext(basename(path))[0] for path in self.paths()]
+
     def paths(self) -> List[str]:
         """Get absolute file paths to all cached responses"""
         return glob(self._path('*'))

tests/integration/base_cache_test.py

@@ -52,6 +52,10 @@ def init_session(self, clear=True, **kwargs) -> CachedSession:
 
         return CachedSession(backend=backend, **self.init_kwargs, **kwargs)
 
+    @classmethod
+    def teardown_class(cls):
+        cls().init_session(clear=True)
+
     @pytest.mark.parametrize('serializer', TEST_SERIALIZERS.values())
     @pytest.mark.parametrize('method', HTTPBIN_METHODS)
     @pytest.mark.parametrize('field', ['params', 'data', 'json'])

tests/integration/test_filesystem.py

@@ -1,5 +1,5 @@
 import pickle
-from os.path import isfile
+from os.path import dirname, isfile
 from shutil import rmtree
 from tempfile import gettempdir
 
@@ -57,3 +57,6 @@ def test_paths(self, serializer_name):
         for path in session.cache.paths():
             assert isfile(path)
             assert path.endswith(f'.{expected_extension}')
+
+        # Redirects db should be in the same directory as response files
+        assert dirname(session.cache.redirects.db_path) == session.cache.responses.cache_dir