include dcc and table extras in __all__

and test that this fixes imports from the old packages

Author: alexcjohnson

components/dash-core-components/dash_core_components_base/__init__.py

@@ -4,14 +4,21 @@
 import dash as _dash
 
 from ._imports_ import *  # noqa: F401, F403, E402
-from ._imports_ import __all__  # noqa: E402
+from ._imports_ import __all__ as _components
 from .express import (  # noqa: F401, E402
     send_bytes,
     send_data_frame,
     send_file,
     send_string,
 )
 
+__all__ = _components + [
+    "send_bytes",
+    "send_data_frame",
+    "send_file",
+    "send_string",
+]
+
 _basepath = _os.path.dirname(__file__)
 _filepath = _os.path.abspath(_os.path.join(_basepath, "package-info.json"))
 with open(_filepath) as f:

components/dash-table/dash_table_base/__init__.py

@@ -14,10 +14,12 @@
     _sys.exit(1)
 
 from ._imports_ import *  # noqa: E402, F401, F403
-from ._imports_ import __all__  # noqa: E402
+from ._imports_ import __all__ as _components
 from . import Format  # noqa: F401, E402
 from . import FormatTemplate  # noqa: F401, E402
 
+__all__ = _components + ["Format", "FormatTemplate"]
+
 _basepath = _os.path.dirname(__file__)
 _filepath = _os.path.abspath(_os.path.join(_basepath, "package-info.json"))
 with open(_filepath) as f:

tests/unit/test_old_imports.py

@@ -0,0 +1,42 @@
+from pytest import warns
+
+from dash import dcc, dash_table
+
+
+def filter_dir(package):
+    ignore = [
+        "warnings",
+        "json",
+        "async_resources",
+        "package",
+        "package_name",
+        "f",
+        "express",
+    ]
+    return sorted(
+        [
+            item
+            for item in dir(package)
+            if item == "__version__" or (item[0] not in "@_" and item not in ignore)
+        ]
+    )
+
+
+def test_old_dcc():
+    with warns(UserWarning, match="dash_core_components package is deprecated"):
+        import dash_core_components as _dcc
+
+        old_dir = filter_dir(_dcc)
+        new_dir = filter_dir(dcc)
+
+        assert old_dir == new_dir
+
+
+def test_old_table():
+    with warns(UserWarning, match="dash_table package is deprecated"):
+        import dash_table as _dt
+
+        old_dir = filter_dir(_dt)
+        new_dir = filter_dir(dash_table)
+
+        assert old_dir == new_dir