[gentoo-commits] proj/gentoo-packages:master commit in: gpackages/libs/

[Slava Bacherikov]

commit:     2ff1d2399d0d6fb40823546170295f24105d7189
Author:     Slava Bacherikov <slava <AT> bacher09 <DOT> org>
AuthorDate: Fri Jun  1 16:16:59 2012 +0000
Commit:     Slava Bacherikov <slava <AT> bacherikov <DOT> org <DOT> ua>
CommitDate: Fri Jun  1 16:16:59 2012 +0000
URL:        http://git.overlays.gentoo.org/gitweb/?p=proj/gentoo-packages.git;a=commit;h=2ff1d239

Layer for work with herds.

---
 gpackages/libs/herds.py |   51 +++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 51 insertions(+), 0 deletions(-)

diff --git a/gpackages/libs/herds.py b/gpackages/libs/herds.py
new file mode 100644
index 0000000..c123814
--- /dev/null
+++ b/gpackages/libs/herds.py
@@ -0,0 +1,51 @@
+try:
+    import xml.etree.cElementTree as etree
+except (ImportError, SystemError):
+    import xml.etree.ElementTree as etree
+
+
+def _gen_func(name):
+    return lambda self: getattr(self, name)
+
+class AbstarctXmlObject(object):
+    attrs = ()
+    
+    def __new__(cls, *args, **kwargs):
+        for val in cls.attrs:
+            setattr(cls, val, property(_gen_func('_'+val)))
+        ins = super(AbstarctXmlObject, cls).__new__(cls, *args, **kwargs) 
+        #attrs = getattr(ins, 'attrs')
+        return ins
+    
+    def __init__(self, xml_object):
+        for val in self.attrs:
+            obj_xml = xml_object.find(val) 
+            setattr(self, '_' + val, None)
+            if obj_xml is not None:
+                setattr(self, '_' + val, obj_xml.text)
+
+class Maintainer(AbstarctXmlObject):
+    attrs = ('name', 'email', 'role')
+
+class Herd(AbstarctXmlObject):
+    # create name, email and description property
+    attrs = ('name', 'email', 'description')
+
+    def __init__(self, xml_object):
+        super(Herd, self).__init__(xml_object) 
+        self._iter_maintainer = xml_object.iterfind('maintainer')
+
+    def iter_mainteiner(self):
+        for maintainer_tree in self._iter_maintainer:
+            yield Maintainer(maintainer_tree)
+
+
+class Herds(object):
+    def __init__(self, herd_path='/usr/portage/metadata/herds.xml'):
+        self._herd_path = herd_path
+        self._herd_parse = etree.parse(herd_path)
+        self._iter_herd = self._herd_parse.iterfind('herd')
+
+    def iter_herd(self):
+        for herd_tree in self._iter_herd:
+            yield Herd(herd_tree)