fixes #600

Author: jph00

fastcore/_modidx.py

@@ -568,6 +568,7 @@
                               'fastcore.xml.FT.__setattr__': ('xml.html#ft.__setattr__', 'fastcore/xml.py'),
                               'fastcore.xml.FT.attrs': ('xml.html#ft.attrs', 'fastcore/xml.py'),
                               'fastcore.xml.FT.children': ('xml.html#ft.children', 'fastcore/xml.py'),
+                              'fastcore.xml.FT.get': ('xml.html#ft.get', 'fastcore/xml.py'),
                               'fastcore.xml.FT.tag': ('xml.html#ft.tag', 'fastcore/xml.py'),
                               'fastcore.xml.Html': ('xml.html#html', 'fastcore/xml.py'),
                               'fastcore.xml.Safe': ('xml.html#safe', 'fastcore/xml.py'),

fastcore/xml.py

@@ -41,7 +41,9 @@ def __setattr__(self, k, v):
 
     def __getattr__(self, k):
         if k.startswith('__') or k not in self.attrs: raise AttributeError(k)
-        return self.attrs[k.lstrip('_').replace('_', '-')]
+        return self.get(k)
+
+    def get(self, k, default=None): return self[2].get(k.lstrip('_').replace('_', '-'), default)
 
 # %% ../nbs/11_xml.ipynb
 def attrmap(o):

nbs/11_xml.ipynb

@@ -77,7 +77,9 @@
     "\n",
     "    def __getattr__(self, k):\n",
     "        if k.startswith('__') or k not in self.attrs: raise AttributeError(k)\n",
-    "        return self.attrs[k.lstrip('_').replace('_', '-')]"
+    "        return self.get(k)\n",
+    "\n",
+    "    def get(self, k, default=None): return self[2].get(k.lstrip('_').replace('_', '-'), default)"
    ]
   },
   {
@@ -266,7 +268,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "newid\n"
+      "newid newid missing\n"
      ]
     },
     {
@@ -282,7 +284,7 @@
    ],
    "source": [
     "elem.id = 'newid'\n",
-    "print(elem.id)\n",
+    "print(elem.id, elem.get('id'), elem.get('foo', 'missing'))\n",
     "elem"
    ]
   },