Sync support (#1)

* deps: update black, add unasync

* feat: make BaseBucket

* feat: rework bucket, file APIs

* fix: avoid circular import on StorageException

* deps: add dotenv

* feat: pass User-Agent header with requests

* fix: correct type-hint

* fix: formatting

* chore: update example in README

Author: anand2312

.pre-commit-config.yaml

@@ -34,8 +34,8 @@ repos:
                     "--ignore-init-module-imports",
                 ]
 
-    - repo: https://github.com/ambv/black
-      rev: 21.11b1
+    - repo: https://github.com/psf/black
+      rev: "22.3.0"
       hooks:
           - id: black
 

README.md

@@ -10,9 +10,13 @@ As it takes some effort to get the headers. We suggest that you use the storage
 
 
 ```python3
-from storage3 import storage_client
+from storage3 import create_client
 
-storage_client = storage_client.SupabaseStorageClient('https://<your_supabase_id>.supabase.co/storage/v1)', {'apiKey': '<your_api_key>', 'Authorization': 'Bearer <an_auth_token>'})
+url = "https://<your_supabase_id>.supabase.co/storage/v1"
+key = "<your api key>"
 
-storage_client.list()
+# pass in is_async=True to create an async client
+storage_client = create_client(url, {'apiKey': key, 'Authorization': 'Bearer <an_auth_token>'}, is_async=False)
+
+storage_client.list_buckets()
 ```