Everyone always belongs to group "all".

gitosis/group.py

@@ -1,25 +1,15 @@
 import logging
 from ConfigParser import NoSectionError, NoOptionError
 
-def getMembership(config, user, _seen=None):
+def _getMembership(config, user, seen):
-    """
-    Generate groups ``user`` is member of, according to ``config``
-
-    :type config: RawConfigParser
-    :type user: str
-    :param _seen: internal use only
-    """
     log = logging.getLogger('gitosis.group.getMembership')
 
-    if _seen is None:
-        _seen = set()
-
     for section in config.sections():
         GROUP_PREFIX = 'group '
         if not section.startswith(GROUP_PREFIX):
             continue
         group = section[len(GROUP_PREFIX):]
-        if group in _seen:
+        if group in seen:
             continue
 
         try:
@@ -34,9 +24,28 @@ def getMembership(config, user, _seen=None):
                 user=user,
                 group=group,
                 ))
-            _seen.add(group)
+            seen.add(group)
             yield group
 
-            for member_of in getMembership(config, '@%s' % group,
+            for member_of in _getMembership(
-                                           _seen=_seen):
+                config, '@%s' % group, seen,
+                ):
                 yield member_of
+
+
+def getMembership(config, user):
+    """
+    Generate groups ``user`` is member of, according to ``config``
+
+    :type config: RawConfigParser
+    :type user: str
+    :param _seen: internal use only
+    """
+
+    seen = set()
+    for member_of in _getMembership(config, user, seen):
+        yield member_of
+
+    # everyone is always a member of group "all"
+    yield 'all'
+

gitosis/test/test_group.py

@@ -7,12 +7,14 @@ from gitosis import group
 def test_no_emptyConfig():
     cfg = RawConfigParser()
     gen = group.getMembership(config=cfg, user='jdoe')
+    eq(gen.next(), 'all')
     assert_raises(StopIteration, gen.next)
 
 def test_no_emptyGroup():
     cfg = RawConfigParser()
     cfg.add_section('group hackers')
     gen = group.getMembership(config=cfg, user='jdoe')
+    eq(gen.next(), 'all')
     assert_raises(StopIteration, gen.next)
 
 def test_no_notListed():
@@ -20,6 +22,7 @@ def test_no_notListed():
     cfg.add_section('group hackers')
     cfg.set('group hackers', 'members', 'wsmith')
     gen = group.getMembership(config=cfg, user='jdoe')
+    eq(gen.next(), 'all')
     assert_raises(StopIteration, gen.next)
 
 def test_yes_simple():
@@ -28,6 +31,7 @@ def test_yes_simple():
     cfg.set('group hackers', 'members', 'jdoe')
     gen = group.getMembership(config=cfg, user='jdoe')
     eq(gen.next(), 'hackers')
+    eq(gen.next(), 'all')
     assert_raises(StopIteration, gen.next)
 
 def test_yes_leading():
@@ -36,6 +40,7 @@ def test_yes_leading():
     cfg.set('group hackers', 'members', 'jdoe wsmith')
     gen = group.getMembership(config=cfg, user='jdoe')
     eq(gen.next(), 'hackers')
+    eq(gen.next(), 'all')
     assert_raises(StopIteration, gen.next)
 
 def test_yes_trailing():
@@ -44,6 +49,7 @@ def test_yes_trailing():
     cfg.set('group hackers', 'members', 'wsmith jdoe')
     gen = group.getMembership(config=cfg, user='jdoe')
     eq(gen.next(), 'hackers')
+    eq(gen.next(), 'all')
     assert_raises(StopIteration, gen.next)
 
 def test_yes_middle():
@@ -52,6 +58,7 @@ def test_yes_middle():
     cfg.set('group hackers', 'members', 'wsmith jdoe danny')
     gen = group.getMembership(config=cfg, user='jdoe')
     eq(gen.next(), 'hackers')
+    eq(gen.next(), 'all')
     assert_raises(StopIteration, gen.next)
 
 def test_yes_recurse_one():
@@ -63,6 +70,7 @@ def test_yes_recurse_one():
     gen = group.getMembership(config=cfg, user='jdoe')
     eq(gen.next(), 'smackers')
     eq(gen.next(), 'hackers')
+    eq(gen.next(), 'all')
     assert_raises(StopIteration, gen.next)
 
 def test_yes_recurse_one_ordering():
@@ -74,6 +82,7 @@ def test_yes_recurse_one_ordering():
     gen = group.getMembership(config=cfg, user='jdoe')
     eq(gen.next(), 'smackers')
     eq(gen.next(), 'hackers')
+    eq(gen.next(), 'all')
     assert_raises(StopIteration, gen.next)
 
 def test_yes_recurse_three():
@@ -91,6 +100,7 @@ def test_yes_recurse_three():
     eq(gen.next(), 'snackers')
     eq(gen.next(), 'smackers')
     eq(gen.next(), 'hackers')
+    eq(gen.next(), 'all')
     assert_raises(StopIteration, gen.next)
 
 def test_yes_recurse_junk():
@@ -102,6 +112,7 @@ def test_yes_recurse_junk():
     gen = group.getMembership(config=cfg, user='jdoe')
     eq(gen.next(), 'smackers')
     eq(gen.next(), 'hackers')
+    eq(gen.next(), 'all')
     assert_raises(StopIteration, gen.next)
 
 def test_yes_recurse_loop():
@@ -113,6 +124,7 @@ def test_yes_recurse_loop():
     gen = group.getMembership(config=cfg, user='jdoe')
     eq(gen.next(), 'smackers')
     eq(gen.next(), 'hackers')
+    eq(gen.next(), 'all')
     assert_raises(StopIteration, gen.next)
 
 def test_no_recurse_loop():
@@ -122,4 +134,5 @@ def test_no_recurse_loop():
     cfg.add_section('group smackers')
     cfg.set('group smackers', 'members', '@hackers')
     gen = group.getMembership(config=cfg, user='jdoe')
+    eq(gen.next(), 'all')
     assert_raises(StopIteration, gen.next)