Add ItemSelector.

noscrapy/selectors/__init__.py

@@ -1,5 +1,6 @@
 from .group import GroupSelector
 from .html import HtmlSelector
 from .image import ImageSelector
+from .item import ItemSelector
 from .link import LinkSelector
 from .text import TextSelector

noscrapy/selectors/item.py

@@ -0,0 +1,12 @@
+from ..selector import Selector
+
+class ItemSelector(Selector):
+    can_have_childs = True
+    can_have_local_childs = True
+    will_return_items = True
+
+    def _get_data(self, parent_item):
+        yield from self.get_items(parent_item)
+
+    def _get_columns(self):
+        return ()

noscrapy/tests/test_item_selector.py

@@ -0,0 +1,22 @@
+import pytest
+
+from noscrapy.selectors import ItemSelector
+
+GET_DATA = {
+    'single':
+        (ItemSelector('a', css='p', many=False), '<p>a</p><p>b</p>', ['<p>a</p>']),
+    'many':
+        (ItemSelector('a', css='p'), '<p>a</p><p>b</p>', ['<p>a</p>', '<p>b</p>']),
+    'none':
+        (ItemSelector('a', css='p'), None, []),
+    'no_elements':
+        (ItemSelector('a', css='p'), '', []),
+    'just_space':
+        (ItemSelector('a', css='p'), ' ', []),
+}
+@pytest.mark.parametrize('selector,html,expected', list(GET_DATA.values()), ids=list(GET_DATA))
+def test_item_selector_get_data(selector, html, expected):
+    assert list(selector.get_data(html)) == expected
+
+def test_item_selector_columns():
+    assert ItemSelector('id').columns == ()