fixes #593

Author: jph00

fastcore/_modidx.py

@@ -201,6 +201,7 @@
                                  'fastcore.basics.uniqueify': ('basics.html#uniqueify', 'fastcore/basics.py'),
                                  'fastcore.basics.using_attr': ('basics.html#using_attr', 'fastcore/basics.py'),
                                  'fastcore.basics.val2idx': ('basics.html#val2idx', 'fastcore/basics.py'),
+                                 'fastcore.basics.ver2tuple': ('basics.html#ver2tuple', 'fastcore/basics.py'),
                                  'fastcore.basics.with_cast': ('basics.html#with_cast', 'fastcore/basics.py'),
                                  'fastcore.basics.wrap_class': ('basics.html#wrap_class', 'fastcore/basics.py'),
                                  'fastcore.basics.zip_cycle': ('basics.html#zip_cycle', 'fastcore/basics.py')},

fastcore/basics.py

@@ -3,8 +3,8 @@
 # %% auto 0
 __all__ = ['defaults', 'null', 'num_methods', 'rnum_methods', 'inum_methods', 'arg0', 'arg1', 'arg2', 'arg3', 'arg4', 'Self',
            'ifnone', 'maybe_attr', 'basic_repr', 'is_array', 'listify', 'tuplify', 'true', 'NullType', 'tonull',
-           'get_class', 'mk_class', 'wrap_class', 'ignore_exceptions', 'exec_local', 'risinstance', 'Inf', 'in_',
-           'ret_true', 'ret_false', 'stop', 'gen', 'chunked', 'otherwise', 'custom_dir', 'AttrDict', 'NS',
+           'get_class', 'mk_class', 'wrap_class', 'ignore_exceptions', 'exec_local', 'risinstance', 'ver2tuple', 'Inf',
+           'in_', 'ret_true', 'ret_false', 'stop', 'gen', 'chunked', 'otherwise', 'custom_dir', 'AttrDict', 'NS',
            'get_annotations_ex', 'eval_type', 'type_hints', 'annotations', 'anno_ret', 'signature_ex', 'union2tuple',
            'argnames', 'with_cast', 'store_attr', 'attrdict', 'properties', 'camel2words', 'camel2snake', 'snake2camel',
            'class2attr', 'getcallable', 'getattrs', 'hasattrs', 'setattrs', 'try_attrs', 'GetAttrBase', 'GetAttr',
@@ -163,6 +163,10 @@ def risinstance(types, obj=None):
         return any(t.__name__ in types for t in type(obj).__mro__)
     return isinstance(obj, types)
 
+# %% ../nbs/01_basics.ipynb
+def ver2tuple(v:str)->tuple:
+    return tuple(int(o or 0) for o in re.search(r'(\d+)(?:\.(\d+))?(?:\.(\d+))?', v).groups())
+
 # %% ../nbs/01_basics.ipynb
 class _InfMeta(type):
     @property

nbs/01_basics.ipynb

@@ -891,6 +891,29 @@
     "assert not risinstance('int', 'a')"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#| export\n",
+    "def ver2tuple(v:str)->tuple:\n",
+    "    return tuple(int(o or 0) for o in re.search(r'(\\d+)(?:\\.(\\d+))?(?:\\.(\\d+))?', v).groups())"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "test_eq(ver2tuple('3.8.1'), (3,8,1))\n",
+    "test_eq(ver2tuple('3.1'), (3,1,0))\n",
+    "test_eq(ver2tuple('3.'), (3,0,0))\n",
+    "test_eq(ver2tuple('3'), (3,0,0))"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},