[PATCH] mq: use util.propertycache, introduce method invalidate for mq and repo

[Simon Heimberg]

# HG changeset patch
# User Simon Heimberg <simohe at besonet.ch>
# Date 1241209449 -7200
# Node ID ff1d180722e90fb6908b6cb29c067ea1889793cc
# Parent  cc8cecb78ddab5a5cd06df68a2e8e334a0100ddd
mq: use util.propertycache, introduce method invalidate for mq and repo

diff -r cc8cecb78dda -r ff1d180722e9 hgext/mq.py
--- a/hgext/mq.py	Die Apr 28 09:04:26 2009 +0200
+++ b/hgext/mq.py	Fre Mai 01 22:24:09 2009 +0200
@@ -123,8 +123,6 @@
         self.path = patchdir or os.path.join(path, "patches")
         self.opener = util.opener(self.path)
         self.ui = ui
-        self.applied = []
-        self.full_series = []
         self.applied_dirty = 0
         self.series_dirty = 0
         self.series_path = "series"
@@ -134,13 +132,33 @@
         self.guards_dirty = False
         self._diffopts = None
 
-        if os.path.exists(self.join(self.series_path)):
-            self.full_series = self.opener(self.series_path).read().splitlines()
-        self.parse_series()
+    def invalidate(self):
+        for a in 'applied full_series series series_guards':
+            if a in self.__dict__:
+                del self.__dict__[a]
 
+    @util.propertycache
+    def applied(self):
         if os.path.exists(self.join(self.status_path)):
             lines = self.opener(self.status_path).read().splitlines()
-            self.applied = [statusentry(l) for l in lines]
+            return [statusentry(l) for l in lines]
+        return []
+
+    @util.propertycache
+    def full_series(self):
+        if os.path.exists(self.join(self.series_path)):
+            return self.opener(self.series_path).read().splitlines()
+        return []
+
+    @util.propertycache
+    def series(self):
+        self.parse_series()
+        return self.series
+
+    @util.propertycache
+    def series_guards(self):
+        self.parse_series()
+        return self.series_guards
 
     def diffopts(self):
         if self._diffopts is None:
@@ -1622,6 +1640,7 @@
         if qrepo:
             qrepo.add(added)
 
+
 def delete(ui, repo, *patches, **opts):
     """remove patches from queue
 
@@ -2462,6 +2481,10 @@
 
             return partial
 
+        def invalidate(self):
+            tagscache = super(mqrepo, self).invalidate()
+            self.mq.invalidate()
+
     if repo.local():
         repo.__class__ = mqrepo
         repo.mq = queue(ui, repo.join(""))