#
#
# patch "tracvc/mtn/__init__.py"
#  from [411daf691977f08697a65acf867ea343729ca4b4]
#    to [befcb26995a601b2c0fed16f9f37e27538866500]
# 
# patch "tracvc/mtn/backend.py"
#  from [3fca2e4241da08d5d13d44958b32216c0921e8de]
#    to [13d143ad877b77218cec242a0cb1e2b3ad9fd0a5]
#
============================================================
--- tracvc/mtn/__init__.py	411daf691977f08697a65acf867ea343729ca4b4
+++ tracvc/mtn/__init__.py	befcb26995a601b2c0fed16f9f37e27538866500
@@ -1,5 +1,5 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-__version__ = '0.0.7'
+__version__ = '0.0.8'
 
============================================================
--- tracvc/mtn/backend.py	3fca2e4241da08d5d13d44958b32216c0921e8de
+++ tracvc/mtn/backend.py	13d143ad877b77218cec242a0cb1e2b3ad9fd0a5
@@ -31,21 +31,25 @@ from trac.config import Option, ListOpti
 from trac.util import shorten_line, escape
 from trac.core import Component, implements, TracError
 from trac.config import Option, ListOption
-from trac import __version__ as trac_version
-from pkg_resources import parse_version
 from time import strptime
 from tracvc.mtn.automate import MTN, AutomateException
 from tracvc.mtn.util import get_oldpath, get_parent, Memoize
 from tracvc.mtn.cache import CacheManager
+from trac.util.datefmt import format_datetime as format_datetime_trac
 
 import re
 
 try:
     from trac.versioncontrol.web_ui import IPropertyRenderer
-    has_property_renderer = True
 except ImportError:
-    has_property_renderer = False
+    IPropertyRenderer = None
 
+try:
+    from trac.util.datefmt import utc
+except ImportError:
+    utc = None
+
+
 DATE_RULE = re.compile(r'\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}')
 REVID_RULE = re.compile(r'^[0-9a-f]{40}$')
 
@@ -126,8 +130,11 @@ class MonotoneConnector(Component):
             binary = INTERFACE_VERSIONS.get(interface, None)
             self.version = "interface: %s" % interface
             if binary:
-               self.version += ", binary (guessed): %s" % binary
-            self.env.systeminfo.append(('Monotone', self.version))
+                self.version += ", binary (guessed): %s" % binary
+            try:
+                self.env.systeminfo.append(('Monotone', self.version))
+            except AttributeError:
+                pass # no systeminfo in 0.10
         return self.repos[path]
 
     # IWikiSyntaxProvider methods
@@ -173,27 +180,39 @@ class MonotoneConnector(Component):
 
 # Datetime handling changed somewhere between 0.10 and 0.11. We try to
 # support both variants for a while.
-if parse_version(trac_version) < parse_version("0.11dev"):
+if utc:
+    from datetime import datetime
 
-    def parse_date(rawdate):
+    def parse_datetime(raw):
         """
-        Convert a monotone date string into a unix timestamp.
+        Convert a monotone date string into a datetime object.
         """
-        from calendar import timegm
-        return timegm(strptime(rawdate + " UTC","%Y-%m-%dT%H:%M:%S %Z"))
+        return datetime(tzinfo=utc,
+                        *strptime(raw, "%Y-%m-%dT%H:%M:%S")[:6])
 
-else:
+    def format_datetime(t):
+        """
+        Convert a datetime object into an monotone date string.
+        """
+        return format_datetime_trac(t, "%Y-%m-%dT%H:%M:%S", tzinfo=utc)
+        
 
-    def parse_date(rawdate):
+else: # legacy
+    from calendar import timegm
+
+    def parse_datetime(raw):
         """
-        Convert a monotone date string into a datetime object.
+        Convert a monotone date string into a unix timestamp.
         """
-        from datetime import datetime
-        from trac.util.datefmt import utc
-        date = datetime(*strptime(rawdate, "%Y-%m-%dT%H:%M:%S")[:6])
-        return date.replace(tzinfo=utc)
+        return timegm(strptime(raw + " UTC","%Y-%m-%dT%H:%M:%S %Z"))
 
+    def format_datetime(t):
+        """
+        Convert a unix timestamp into an monotone date string.
+        """
+        return format_datetime_trac(t, "%Y-%m-%dT%H:%M:%S", gmt=True)
 
+
 def dates(certvals):
     """
     Parse the raw dates and return a sorted list.
@@ -202,7 +221,7 @@ def dates(certvals):
     for rawdate in certvals:
         # strip the date before parsing
         rawdate = DATE_RULE.search(rawdate).group()
-        result.append(parse_date(rawdate))
+        result.append(parse_datetime(rawdate))
     result.sort()
     return result
 
@@ -252,19 +271,9 @@ class MonotoneRepository(Repository):
         """
         Generate Changesets belonging to the given time period (start, stop).
         """
-        nodes = self.mtn.leaves()
-        seen = set()
-        while nodes:
-            current = nodes.pop(0)
-            time = self.get_dates(current)[0]
-            if time < start:
-                continue # assume none of the parents is younger
-            elif time < stop:
-                yield self.get_changeset(current)
-            for parent in self.mtn.parents(current):
-                if parent not in seen:
-                    seen.add(parent)
-                    nodes.append(parent)
+        for rev in self.mtn.select('l:%s/e:%s' %
+                (format_datetime(start), format_datetime(stop))):
+            yield self.get_changeset(rev)
 
     def get_node(self, path, rev=None):
         """
@@ -611,7 +620,7 @@ class MonotoneChangeset(Changeset):
                 oldpath = get_oldpath(path, changeset.renamed)
                 yield path, Node.FILE, Changeset.EDIT, oldpath, oldrev
 
-    if has_property_renderer:
+    if IPropertyRenderer:
         def get_properties(self):
             properties = {}
             properties['Parent'] = ', '.join(self.mtn.parents(self.rev))