layouts: turn taglocations method into a property

We no longer need to pass the meta path since we have an internal reference to
the meta object, so we remove the parameter from the taglocations method.

hgsubversion/layouts/base.py

@@ -48,7 +48,8 @@ class BaseLayout(object):
         """
         self.__unimplemented('remotepath')
 
-    def taglocations(self, metapath):
+    @property
+    def taglocations(self):
         """Return a list of locations within svn to search for tags
 
         Should be returned in reverse-sorted order.

hgsubversion/layouts/custom.py

@@ -64,7 +64,8 @@ class CustomLayout(base.BaseLayout):
             subdir += '/'
         return subdir + self.remotename(branch)
 
-    def taglocations(self, metapath):
+    @property
+    def taglocations(self):
         return []
 
     def get_path_tag(self, path, taglocations):

hgsubversion/layouts/single.py

@@ -14,7 +14,8 @@ class SingleLayout(base.BaseLayout):
     def remotepath(self, branch, subdir='/'):
         return subdir or '/'
 
-    def taglocations(self, metapath):
+    @property
+    def taglocations(self):
         return []
 
     def get_path_tag(self, path, taglocations):

hgsubversion/layouts/standard.py

@@ -66,7 +66,8 @@ class StandardLayout(base.BaseLayout):
 
         return '%s/%s' % (subdir or '', branchpath)
 
-    def taglocations(self, metapath):
+    @property
+    def taglocations(self):
         return self.meta.taglocations
 
     def get_path_tag(self, path, taglocations):

hgsubversion/svncommands.py

@@ -219,7 +219,7 @@ def _buildmeta(ui, repo, args, partial=False, skipuuid=False):
         # find commitpath, write to revmap
         commitpath = revpath[len(subdir)+1:]
 
-        tag_locations = layoutobj.taglocations(meta.metapath)
+        tag_locations = layoutobj.taglocations
         found_tag = False
         for location in tag_locations:
             if commitpath.startswith(location + '/'):

hgsubversion/svnmeta.py

@@ -385,8 +385,7 @@ class SVNMeta(object):
         (or tag) we have, for our purposes.
         """
         path = self.normalize(path)
-        tloc = self.layoutobj.taglocations(self.metapath)
-        return self.layoutobj.get_path_tag(path, tloc)
+        return self.layoutobj.get_path_tag(path, self.layoutobj.taglocations)
 
     def split_branch_path(self, path, existing=True):
         """Figure out which branch inside our repo this path represents, and