Feature: Add Deprecation Message (#103)

Problem: too strict aleph-message dependency

Solution: loosen it to accept compatible versions to 0.4.2

Co-authored-by: Hugo Herter <git@hugoherter.com>

Author: MHHukiewitz

src/aleph/sdk/__init__.py

@@ -12,3 +12,22 @@
     del get_distribution, DistributionNotFound
 
 __all__ = ["AlephHttpClient", "AuthenticatedAlephHttpClient"]
+
+
+def __getattr__(name):
+    if name == "AlephClient":
+        raise ImportError(
+            "AlephClient has been turned into an abstract class. Please use `AlephHttpClient` instead."
+        )
+    elif name == "AuthenticatedAlephClient":
+        raise ImportError(
+            "AuthenticatedAlephClient has been turned into an abstract class. Please use `AuthenticatedAlephHttpClient` instead."
+        )
+    elif name == "synchronous":
+        raise ImportError(
+            "The 'aleph.sdk.synchronous' type is deprecated and has been removed from the aleph SDK. Please use `aleph.sdk.client.AlephHttpClient` instead."
+        )
+    elif name == "asynchronous":
+        raise ImportError(
+            "The 'aleph.sdk.asynchronous' type is deprecated and has been removed from the aleph SDK. Please use `aleph.sdk.client.AlephHttpClient` instead."
+        )

src/aleph/sdk/client/abstract.py

@@ -43,7 +43,7 @@ async def fetch_aggregate(self, address: str, key: str) -> Dict[str, Dict]:
         :param address: Address of the owner of the aggregate
         :param key: Key of the aggregate
         """
-        pass
+        raise NotImplementedError("Did you mean to import `AlephHttpClient`?")
 
     @abstractmethod
     async def fetch_aggregates(
@@ -55,7 +55,7 @@ async def fetch_aggregates(
         :param address: Address of the owner of the aggregate
         :param keys: Keys of the aggregates to fetch (Default: all items)
         """
-        pass
+        raise NotImplementedError("Did you mean to import `AlephHttpClient`?")
 
     @abstractmethod
     async def get_posts(
@@ -75,7 +75,7 @@ async def get_posts(
         :param ignore_invalid_messages: Ignore invalid messages (Default: True)
         :param invalid_messages_log_level: Log level to use for invalid messages (Default: logging.NOTSET)
         """
-        pass
+        raise NotImplementedError("Did you mean to import `AlephHttpClient`?")
 
     async def get_posts_iterator(
         self,
@@ -110,7 +110,7 @@ async def download_file(
 
         :param file_hash: The hash of the file to retrieve.
         """
-        pass
+        raise NotImplementedError("Did you mean to import `AlephHttpClient`?")
 
     async def download_file_ipfs(
         self,
@@ -168,7 +168,7 @@ async def get_messages(
         :param ignore_invalid_messages: Ignore invalid messages (Default: True)
         :param invalid_messages_log_level: Log level to use for invalid messages (Default: logging.NOTSET)
         """
-        pass
+        raise NotImplementedError("Did you mean to import `AlephHttpClient`?")
 
     async def get_messages_iterator(
         self,
@@ -203,7 +203,7 @@ async def get_message(
         :param item_hash: Hash of the message to fetch
         :param message_type: Type of message to fetch
         """
-        pass
+        raise NotImplementedError("Did you mean to import `AlephHttpClient`?")
 
     @abstractmethod
     def watch_messages(
@@ -215,7 +215,7 @@ def watch_messages(
 
         :param message_filter: Filter to apply to the messages
         """
-        pass
+        raise NotImplementedError("Did you mean to import `AlephHttpClient`?")
 
 
 class AuthenticatedAlephClient(AlephClient):
@@ -243,7 +243,9 @@ async def create_post(
         :param storage_engine: An optional storage engine to use for the message, if not inlined (Default: "storage")
         :param sync: If true, waits for the message to be processed by the API server (Default: False)
         """
-        pass
+        raise NotImplementedError(
+            "Did you mean to import `AuthenticatedAlephHttpClient`?"
+        )
 
     @abstractmethod
     async def create_aggregate(
@@ -265,7 +267,9 @@ async def create_aggregate(
         :param inline: Whether to write content inside the message (Default: True)
         :param sync: If true, waits for the message to be processed by the API server (Default: False)
         """
-        pass
+        raise NotImplementedError(
+            "Did you mean to import `AuthenticatedAlephHttpClient`?"
+        )
 
     @abstractmethod
     async def create_store(
@@ -297,7 +301,9 @@ async def create_store(
         :param channel: Channel to post the message to (Default: "TEST")
         :param sync: If true, waits for the message to be processed by the API server (Default: False)
         """
-        pass
+        raise NotImplementedError(
+            "Did you mean to import `AuthenticatedAlephHttpClient`?"
+        )
 
     @abstractmethod
     async def create_program(
@@ -345,7 +351,9 @@ async def create_program(
         :param subscriptions: Patterns of aleph.im messages to forward to the program's event receiver
         :param metadata: Metadata to attach to the message
         """
-        pass
+        raise NotImplementedError(
+            "Did you mean to import `AuthenticatedAlephHttpClient`?"
+        )
 
     @abstractmethod
     async def create_instance(
@@ -394,7 +402,9 @@ async def create_instance(
         :param ssh_keys: SSH keys to authorize access to the VM
         :param metadata: Metadata to attach to the message
         """
-        pass
+        raise NotImplementedError(
+            "Did you mean to import `AuthenticatedAlephHttpClient`?"
+        )
 
     @abstractmethod
     async def forget(
@@ -419,7 +429,9 @@ async def forget(
         :param address: Address to use (Default: account.get_address())
         :param sync: If true, waits for the message to be processed by the API server (Default: False)
         """
-        pass
+        raise NotImplementedError(
+            "Did you mean to import `AuthenticatedAlephHttpClient`?"
+        )
 
     @abstractmethod
     async def submit(
@@ -444,7 +456,9 @@ async def submit(
         :param sync: If true, waits for the message to be processed by the API server (Default: False)
         :param raise_on_rejected: Whether to raise an exception if the message is rejected (Default: True)
         """
-        pass
+        raise NotImplementedError(
+            "Did you mean to import `AuthenticatedAlephHttpClient`?"
+        )
 
     async def ipfs_push(self, content: Mapping) -> str:
         """

tests/unit/test_init.py

@@ -1,5 +1,29 @@
+import pytest
+
 from aleph.sdk import __version__
 
 
 def test_version():
     assert __version__ != ""
+
+
+def test_deprecation():
+    with pytest.raises(ImportError):
+        from aleph.sdk import AlephClient  # noqa
+
+    with pytest.raises(ImportError):
+        from aleph.sdk import AuthenticatedAlephClient  # noqa
+
+    with pytest.raises(ImportError):
+        from aleph.sdk import synchronous  # noqa
+
+    with pytest.raises(ImportError):
+        from aleph.sdk import asynchronous  # noqa
+
+    with pytest.raises(ImportError):
+        import aleph.sdk.synchronous  # noqa
+
+    with pytest.raises(ImportError):
+        import aleph.sdk.asynchronous  # noqa
+
+    from aleph.sdk import AlephHttpClient  # noqa