fixes #823

fastcore/xtras.py

@@ -5,16 +5,16 @@
 # AUTOGENERATED! DO NOT EDIT! File to edit: ../nbs/03_xtras.ipynb.
 
 # %% auto #0
-__all__ = ['spark_chars', 'UNSET', 'walk_join', 'walk', 'exttypes', 'globtastic', 'pglob', 'maybe_open', 'mkdir', 'image_size',
+__all__ = ['UNSET', 'spark_chars', 'walk_join', 'walk', 'exttypes', 'globtastic', 'pglob', 'maybe_open', 'mkdir', 'image_size',
            'img_bytes', 'detect_mime', 'bunzip', 'loads', 'loads_multi', 'dumps', 'untar_dir', 'repo_details', 'shell',
            'ssh', 'rsync_multi', 'run', 'open_file', 'save_pickle', 'load_pickle', 'parse_env', 'expand_wildcards',
-           'atomic_save', 'load_mod', 'import_no_init', 'dict2obj', 'obj2dict', 'repr_dict', 'is_listy', 'mapped',
-           'IterLen', 'ReindexCollection', 'SaveReturn', 'trim_wraps', 'save_iter', 'asave_iter', 'frontmatter',
-           'clean_cli_output', 'unqid', 'rtoken_hex', 'friendly_name', 'n_friendly_names', 'exec_eval',
+           'atomic_save', 'load_mod', 'import_no_init', 'Unset', 'dict2obj', 'obj2dict', 'repr_dict', 'is_listy',
+           'mapped', 'IterLen', 'ReindexCollection', 'SaveReturn', 'trim_wraps', 'save_iter', 'asave_iter',
+           'frontmatter', 'clean_cli_output', 'unqid', 'rtoken_hex', 'friendly_name', 'n_friendly_names', 'exec_eval',
            'get_source_link', 'sparkline', 'modify_exception', 'round_multiple', 'set_num_threads', 'join_path_file',
            'autostart', 'EventTimer', 'stringfmt_names', 'PartialFormatter', 'partial_format', 'truncstr', 'utc2local',
            'local2utc', 'trace', 'modified_env', 'ContextManagers', 'shufflish', 'console_help', 'hl_md', 'type2str',
-           'dataclass_src', 'Unset', 'nullable_dc', 'make_nullable', 'flexiclass', 'asdict', 'vars_pub', 'is_typeddict',
+           'dataclass_src', 'nullable_dc', 'make_nullable', 'flexiclass', 'asdict', 'vars_pub', 'is_typeddict',
            'is_namedtuple', 'CachedIter', 'CachedAwaitable', 'reawaitable', 'is_async_callable', 'maybe_await',
            'to_aiter', 'maybe_aiter', 'mapa', 'noopa', 'flexicache', 'time_policy', 'mtime_policy', 'timed_cache']
 
@@ -449,10 +449,18 @@ def import_no_init(name):
     if len(parts)>1: path = path.parent.joinpath(*parts[1:]).with_suffix('.py')
     return load_mod(name, path)
 
+# %% ../nbs/03_xtras.ipynb #6368c600
+class Unset(Enum):
+    _Unset=''
+    def __repr__(self): return 'UNSET'
+    def __str__ (self): return 'UNSET'
+    def __bool__(self): return False
+UNSET = Unset._Unset
+
 # %% ../nbs/03_xtras.ipynb #9579358d
-def dict2obj(d=None, list_func=L, dict_func=AttrDict, **kwargs):
+def dict2obj(d=UNSET, list_func=L, dict_func=AttrDict, **kwargs):
     "Convert (possibly nested) dicts (or lists of dicts) to `AttrDict`"
-    if d is None: d={}
+    if d is UNSET: d={}
     if isinstance(d, (L,list)): return list_func([dict2obj(v, list_func=list_func, dict_func=dict_func) for v in d])
     if not isinstance(d, dict): return d
     return dict_func(**{k:dict2obj(v, list_func=list_func, dict_func=dict_func) for k,v in (d|kwargs).items()})
@@ -946,14 +954,6 @@ def dataclass_src(cls):
         src += f"    {f.name}: {type2str(f.type)}{d}\n"
     return src
 
-# %% ../nbs/03_xtras.ipynb #ecd7f0a2
-class Unset(Enum):
-    _Unset=''
-    def __repr__(self): return 'UNSET'
-    def __str__ (self): return 'UNSET'
-    def __bool__(self): return False
-UNSET = Unset._Unset
-
 # %% ../nbs/03_xtras.ipynb #1e9a46ab
 def nullable_dc(cls):
     "Like `dataclass`, but default of `UNSET` added to fields without defaults"