feat: Implement info and exists file API methods (#318)

Co-authored-by: Andrew Smith <[email protected]>

Author: bogdanteleaga

storage3/_async/file_api.py

@@ -311,6 +311,42 @@ async def remove(self, paths: list) -> list[dict[str, Any]]:
         )
         return response.json()
 
+    async def info(
+        self,
+        path: str,
+    ) -> list[dict[str, str]]:
+        """
+        Lists info for a particular file.
+
+        Parameters
+        ----------
+        path
+            The path to the file.
+        """
+        response = await self._request(
+            "GET",
+            f"/object/info/{self.id}/{path}",
+        )
+        return response.json()
+
+    async def exists(
+        self,
+        path: str,
+    ) -> bool:
+        """
+        Returns True if the file exists, False otherwise.
+
+        Parameters
+        ----------
+        path
+            The path to the file.
+        """
+        response = await self._request(
+            "HEAD",
+            f"/object/info/{self.id}/{path}",
+        )
+        return response.status_code == 200
+
     async def list(
         self,
         path: Optional[str] = None,

storage3/_sync/file_api.py

@@ -311,6 +311,42 @@ def remove(self, paths: list) -> list[dict[str, Any]]:
         )
         return response.json()
 
+    def info(
+        self,
+        path: str,
+    ) -> list[dict[str, str]]:
+        """
+        Lists info for a particular file.
+
+        Parameters
+        ----------
+        path
+            The path to the file.
+        """
+        response = self._request(
+            "GET",
+            f"/object/info/{self.id}/{path}",
+        )
+        return response.json()
+
+    def exists(
+        self,
+        path: str,
+    ) -> bool:
+        """
+        Returns True if the file exists, False otherwise.
+
+        Parameters
+        ----------
+        path
+            The path to the file.
+        """
+        response = self._request(
+            "HEAD",
+            f"/object/info/{self.id}/{path}",
+        )
+        return response.status_code == 200
+
     def list(
         self,
         path: Optional[str] = None,

tests/_async/test_client.py

@@ -396,3 +396,30 @@ async def test_client_get_public_url(
     response.raise_for_status()
 
     assert response.content == file.file_content
+
+
+async def test_client_info(
+    storage_file_client_public: SyncBucketProxy, file: FileForTesting
+) -> None:
+    """Ensure we can get the public url of a file in a bucket"""
+    await storage_file_client_public.upload(
+        file.bucket_path, file.local_path, {"content-type": file.mime_type}
+    )
+
+    info = await storage_file_client_public.info(file.bucket_path)
+    assert "metadata" in info.keys()
+    assert info["name"] == file.bucket_path
+    assert info["content_type"] == file.mime_type
+
+
+async def test_client_exists(
+    storage_file_client_public: SyncBucketProxy, file: FileForTesting
+) -> None:
+    """Ensure we can get the public url of a file in a bucket"""
+    await storage_file_client_public.upload(
+        file.bucket_path, file.local_path, {"content-type": file.mime_type}
+    )
+
+    exists = await storage_file_client_public.exists(file.bucket_path)
+
+    assert exists

tests/_sync/test_client.py

@@ -394,3 +394,30 @@ def test_client_get_public_url(
     response.raise_for_status()
 
     assert response.content == file.file_content
+
+
+def test_client_info(
+    storage_file_client_public: SyncBucketProxy, file: FileForTesting
+) -> None:
+    """Ensure we can get the public url of a file in a bucket"""
+    storage_file_client_public.upload(
+        file.bucket_path, file.local_path, {"content-type": file.mime_type}
+    )
+
+    info = storage_file_client_public.info(file.bucket_path)
+    assert "metadata" in info.keys()
+    assert info["name"] == file.bucket_path
+    assert info["content_type"] == file.mime_type
+
+
+def test_client_exists(
+    storage_file_client_public: SyncBucketProxy, file: FileForTesting
+) -> None:
+    """Ensure we can get the public url of a file in a bucket"""
+    storage_file_client_public.upload(
+        file.bucket_path, file.local_path, {"content-type": file.mime_type}
+    )
+
+    exists = storage_file_client_public.exists(file.bucket_path)
+
+    assert exists