Adicionada abstração de items.

Items são utilizados em muitos lugares na declaração. Esta classe
permite criar mais facilmente novas classes para suportar novos
elementos.

diff --git a/src/items.py b/src/items.py
new file mode 100644 (file)
index 0000000..03dd9a7
--- /dev/null
+++ b/src/items.py
@@ -0,0 +1,81 @@
+# coding=utf-8
+#
+#   Copyright 2013 Thadeu Lima de Souza Cascardo <cascardo@cascardo.info>
+#
+#   This program is free software: you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# -*- mode: python; encoding: utf-8; -*-
+import xml.dom.minidom
+
+class Item:
+    def __init__(self, el):
+        self.el = el
+
+    def get_attr(self, attr):
+        if attr in self.el.attributes.keys():
+            return self.el.attributes[attr].nodeValue
+        return None
+
+    def set_attr(self, attr, val):
+        self.el.setAttribute(attr, val)
+
+class Items:
+    def __init__(self, element):
+        self.element = element
+        self.items = []
+
+        for i in self.element.getElementsByTagName("item"):
+            self.items.append(Item(i))
+
+    def _get_attr(self, el, attr):
+        if attr in el.attributes.keys():
+            return el.attributes[attr].nodeValue
+        return None
+
+    def _set_attr(self, el, attr, val):
+        el.setAttribute(attr, val)
+
+    def get_attr(self, attr):
+        return self._get_attr(self.element, attr)
+
+    def set_attr(self, attr, val):
+        self._set_attr(self.element, attr, val)
+
+    def add_item(self, item):
+        self.items.append(item)
+        self.element.appendChild(item.el)
+
+    def new_item(self):
+        item = Item(self.element.ownerDocument.createElement("item"))
+        self.add_item(item)
+        return item
+
+    def remove_item(self, i):
+        self.items.pop(i)
+        els = self.element.getElementsByTagName("item")
+        self.element.removeChild(els[i])
+
+if __name__ == '__main__':
+    doc = xml.dom.minidom.DOMImplementation().createDocument("", "doc", "")
+    el = doc.createElement("items")
+
+    items = Items(el)
+    items.new_item().set_attr("value", "0,00")
+    items.set_attr("total", "0,00")
+
+    print items.element.toprettyxml()
+
+    for i in items.items:
+        print i.get_attr("value")
+
+# vim:tabstop=4:expandtab:smartindent

diff --git a/test/test_items.py b/test/test_items.py
new file mode 100644 (file)
index 0000000..35d4dae
--- /dev/null
+++ b/test/test_items.py
@@ -0,0 +1,30 @@
+# -*- mode: python; encoding: utf-8; -*-
+import unittest
+import sys
+import os
+
+import dirs
+dirs.default_irpf_dir = dirs.IRPFTestDir()
+
+from items import Items
+import xml.dom.minidom
+
+class TestItems(unittest.TestCase):
+
+    def setUp(self):
+        doc = xml.dom.minidom.DOMImplementation().createDocument("", "doc", "")
+        el = doc.createElement("items")
+
+        self.items = Items(el)
+        self.items.new_item().set_attr("value", "0,00")
+        self.items.set_attr("total", "9.999,99")
+
+    def test_GetBens(self):
+        self.assertEqual(self.items.get_attr('total'), '9.999,99')
+        self.assertEqual(self.items.items[0].get_attr('value'), '0,00')
+
+if __name__ == '__main__':
+    unittest.main()
+
+# vim:tabstop=4:expandtab:smartindent:fenc=utf8
+