New version that does not require authentication for public accesses.

Author: dirkgr

python/README.md

@@ -1,6 +1,6 @@
 Install this library like this:
 ```
-pip install https://github.com/allenai/datastore/releases/download/v3.2.0/datastore-3.2.0-py3-none-any.whl
+pip install https://github.com/allenai/datastore/releases/download/v3.2.1/datastore-3.2.1-py3-none-any.whl
 ```
 
 Then, in Python, you can say this:

python/datastore.py

@@ -47,6 +47,9 @@ def forget_cleanup(p: Union[Path, str]) -> None:
 #
 
 _s3 = boto3.resource('s3')
+_s3_public = boto3.resource('s3')
+from botocore.handlers import disable_signing
+_s3_public.meta.client.meta.events.register('choose-signer.s3.*', disable_signing)
 
 class Locator(NamedTuple):
     group: str
@@ -107,7 +110,10 @@ def __init__(self, name: str):
 
         _mkpath(self.temp_dir)
 
-        self.bucket = _s3.Bucket(f"{name}.store.dev.allenai.org")
+        s3 = _s3
+        if name == "public":
+            s3 = _s3_public
+        self.bucket = s3.Bucket(f"{name}.store.dev.allenai.org")
 
         self.logger = logging.getLogger(f"org.allenai.datastore.Datastore.{name}")
 

python/setup.py

@@ -10,7 +10,7 @@
 
 setup(
     name='datastore',
-    version='3.2.0',
+    version='3.2.1',
     description='Store for immutable objects in S3',
     long_description=long_description,
     url='https://github.com/allenai/datastore',