From c750baac5bc6ceacdf5f58ce290324413c6c82b6 Mon Sep 17 00:00:00 2001
From: Chris McDonough <chrism@agendaless.com>
Date: Fri, 29 Aug 2008 03:21:27 +0000
Subject: model_path and *backwards incompatible change* removing "make_app"
 and "get_options" from __init__.py of repoze.bfg; use
 repoze.bfg.router:make_app and repoze.bfg.registry:get_options instead.

---
 repoze/bfg/__init__.py                           |  8 +----
 repoze/bfg/paster_template/+package+/run.py_tmpl |  4 +--
 repoze/bfg/path.py                               |  1 +
 repoze/bfg/tests/test_traversal.py               | 38 ++++++++++++++++--------
 repoze/bfg/traversal.py                          | 24 ++++++++++++---
 5 files changed, 49 insertions(+), 26 deletions(-)

(limited to 'repoze')

diff --git a/repoze/bfg/__init__.py b/repoze/bfg/__init__.py
index e603a8fac..de40ea7ca 100644
--- a/repoze/bfg/__init__.py
+++ b/repoze/bfg/__init__.py
@@ -1,7 +1 @@
-try:
-    from repoze.bfg.router import make_app # for import elsewhere
-    from repoze.bfg.registry import get_options # for import elsewhere
-except ImportError:
-    # don't try so hard that we cause setup.py test to fail when the
-    # right modules aren't installed.
-    pass
+__import__('pkg_resources').declare_namespace(__name__)
diff --git a/repoze/bfg/paster_template/+package+/run.py_tmpl b/repoze/bfg/paster_template/+package+/run.py_tmpl
index 4b3322bce..42bc0ef02 100644
--- a/repoze/bfg/paster_template/+package+/run.py_tmpl
+++ b/repoze/bfg/paster_template/+package+/run.py_tmpl
@@ -1,5 +1,5 @@
-from repoze.bfg import make_app
-from repoze.bfg import get_options
+from repoze.bfg.router import make_app
+from repoze.bfg.registry import get_options
 
 def app(global_config, **kw):
     # paster app config callback
diff --git a/repoze/bfg/path.py b/repoze/bfg/path.py
index fcd317fba..68fa4ede4 100644
--- a/repoze/bfg/path.py
+++ b/repoze/bfg/path.py
@@ -9,6 +9,7 @@ def caller_path(path, level=2):
         prefix = package_path(package)
         path = os.path.join(prefix, path)
     return path
+    return os.path.normpath(path)
 
 def package_path(package):
     return os.path.abspath(os.path.dirname(package.__file__))
diff --git a/repoze/bfg/tests/test_traversal.py b/repoze/bfg/tests/test_traversal.py
index a61a324e2..eba543cdb 100644
--- a/repoze/bfg/tests/test_traversal.py
+++ b/repoze/bfg/tests/test_traversal.py
@@ -234,19 +234,6 @@ class FindModelTests(unittest.TestCase):
         self._registerTraverser(traverser)
         self.assertRaises(KeyError, find, dummy, 'baz')
 
-    def test_absolute_found(self):
-        dummy = DummyContext()
-        baz = DummyContext()
-        baz.__parent__ = dummy
-        baz.__name__ = 'baz'
-        dummy.__parent__ = None
-        dummy.__name__ = None
-        find = self._getFUT()
-        traverser = make_traverser(dummy, '', [])
-        self._registerTraverser(traverser)
-        result = find(baz, '/')
-        self.assertEqual(result, dummy)
-
     def test_absolute_found(self):
         dummy = DummyContext()
         baz = DummyContext()
@@ -274,6 +261,31 @@ class FindModelTests(unittest.TestCase):
         self.assertRaises(KeyError, find, baz, '/')
         self.assertEqual(dummy.wascontext, True)
 
+class ModelPathTests(unittest.TestCase):
+    def _getFUT(self):
+        from repoze.bfg.traversal import model_path
+        return model_path
+
+    def test_it(self):
+        baz = DummyContext()
+        bar = DummyContext(baz)
+        foo = DummyContext(bar)
+        root = DummyContext(foo)
+        root.__parent__ = None
+        root.__name__ = None
+        foo.__parent__ = root
+        foo.__name__ = 'foo '
+        bar.__parent__ = foo
+        bar.__name__ = 'bar'
+        baz.__parent__ = bar
+        baz.__name__ = 'baz'
+        request = DummyRequest()
+        model_path = self._getFUT()
+        request = DummyRequest()
+        result = model_path(baz, 'this/theotherthing', 'that')
+        self.assertEqual(result, '/foo /bar/baz/this/theotherthing/that')
+
+
 def make_traverser(*args):
     class DummyTraverser(object):
         def __init__(self, context):
diff --git a/repoze/bfg/traversal.py b/repoze/bfg/traversal.py
index e307cae0c..dcbecf2ff 100644
--- a/repoze/bfg/traversal.py
+++ b/repoze/bfg/traversal.py
@@ -106,10 +106,11 @@ def find_interface(model, interface):
 def model_url(model, request, *elements):
     """ Return the absolute URL of the model object based on the
     ``wsgi.url_scheme``, ``HTTP_HOST`` or ``SERVER_NAME`` in the
-    request, plus any ``SCRIPT_NAME``.  Any positional passed in as
-    ``elements`` will be joined by slashes and appended to the
-    generated URL.  The passed in elements are *not* URL-quoted.  The
-    ``model`` passed in must be :term:`location`-aware."""
+    request, plus any ``SCRIPT_NAME``.  Any positional arguments
+    passed in as ``elements`` will be joined by slashes and appended
+    to the generated URL.  The passed in elements are *not*
+    URL-quoted.  The ``model`` passed in must be
+    :term:`location`-aware."""
     rpath = []
     for location in LocationIterator(model):
         if location.__name__:
@@ -118,3 +119,18 @@ def model_url(model, request, *elements):
     path.extend(elements)
     path = '/'.join(path)
     return urlparse.urljoin(request.application_url, path)
+
+def model_path(model, *elements):
+    """ Return a string representing the absolute path of the model
+    object based on its position in the model graph, e.g
+    ``/foo/bar``. Any positional arguments passed in as ``elements``
+    will be joined by slashes and appended to the generated path.  The
+    ``model`` passed in must be :term:`location`-aware."""
+    rpath = []
+    for location in LocationIterator(model):
+        if location.__name__:
+            rpath.append(location.__name__)
+    path = list(reversed(rpath))
+    path.extend(elements)
+    path.insert(0, '')
+    return '/'.join(path)
-- 
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