From ddac2d472c5c775d34f316181b674429376f6d16 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20=27Necoro=27=20Neumann?= <necoro@necoro.net>
Date: Thu, 11 Dec 2008 12:24:26 +0100
Subject: Use two different portage.config instances instead of just one: One
 for global stuff - and one for package related things (e.g. where setcpv() is
 called). Also PortageSettings now takes care, that setcpv() is not called
 multiple times in a row with the same CPV.

This should enhance performance :)
---
 portato/backend/portage/package.py   |  4 ++--
 portato/backend/portage/sets.py      |  2 +-
 portato/backend/portage/settings.py  | 11 +++++++++++
 portato/backend/portage/system.py    |  9 ++++-----
 portato/backend/portage/system_22.py |  2 +-
 5 files changed, 19 insertions(+), 9 deletions(-)

(limited to 'portato')

diff --git a/portato/backend/portage/package.py b/portato/backend/portage/package.py
index 250b491..a87ba94 100644
--- a/portato/backend/portage/package.py
+++ b/portato/backend/portage/package.py
@@ -67,7 +67,7 @@ class PortagePackage (Package):
         inst = (installed and self.is_installed()) or (self.is_installed() and not self.is_in_system())
 
         if self._settings_installed is not None and self._settings_installed != inst:
-            self._settings.settings.reset()
+            self._settings.reset()
 
         self._settings_installed = inst
 
@@ -76,7 +76,7 @@ class PortagePackage (Package):
         else:
             dbapi = self._settings.porttree.dbapi
 
-        self._settings.settings.setcpv(self.get_cpv(), mydb = dbapi)
+        self._settings.setcpv(self.get_cpv(), mydb = dbapi)
 
     def get_name(self):
         return self._scpv[1]
diff --git a/portato/backend/portage/sets.py b/portato/backend/portage/sets.py
index 24dd89a..4d7df73 100644
--- a/portato/backend/portage/sets.py
+++ b/portato/backend/portage/sets.py
@@ -77,7 +77,7 @@ class PortageSet (FilterSet):
 class SystemSet (FilterSet):
 
     def get_list(self):
-        for cp in system.settings.settings.packages:
+        for cp in system.settings.global_settings.packages:
             if cp[0] == "*": yield cp[1:]
 
 class WorldSet (FilterSet):
diff --git a/portato/backend/portage/settings.py b/portato/backend/portage/settings.py
index 0e7eccb..951d1a4 100644
--- a/portato/backend/portage/settings.py
+++ b/portato/backend/portage/settings.py
@@ -54,5 +54,16 @@ class PortageSettings:
         self.porttree = self.trees[root]["porttree"]
         self.vartree  = self.trees[root]["vartree"]
         self.virtuals = self.trees[root]["virtuals"]
+        self.global_settings = portage.config(clone=self.settings)
+        self._cpv = None
         
         portage.settings = None # we use our own one ...
+
+    def setcpv (self, cpv, **kwargs):
+        if self._cpv is not None and cpv != self._cpv:
+            self.settings.setcpv(cpv, **kwargs)
+            self._cpv = cpv
+
+    def reset (self):
+        self.settings.reset()
+        self._cpv = None
diff --git a/portato/backend/portage/system.py b/portato/backend/portage/system.py
index a32ebd0..ddee835 100644
--- a/portato/backend/portage/system.py
+++ b/portato/backend/portage/system.py
@@ -39,7 +39,7 @@ class PortageSystem (SystemInterface):
     def __init__ (self):
         """Constructor."""
         self.settings = PortageSettings()
-        portage.WORLD_FILE = os.path.join(self.settings.settings["ROOT"],portage.WORLD_FILE)
+        portage.WORLD_FILE = os.path.join(self.settings.global_settings["ROOT"],portage.WORLD_FILE)
 
         self.use_descs = {}
         self.local_use_descs = defaultdict(dict)
@@ -173,8 +173,7 @@ class PortageSystem (SystemInterface):
             return list_of_packages
 
     def get_global_settings (self, key):
-        self.settings.settings.reset()
-        return self.settings.settings[key]
+        return self.settings.global_settings[key]
 
     def find_best (self, list, only_cpv = False):
         if only_cpv:
@@ -213,7 +212,7 @@ class PortageSystem (SystemInterface):
         return self.geneticize_list(self._get_set(pkgSet).find(key, masked, with_version, only_cpv), only_cpv or not with_version)
 
     def list_categories (self, name = None):
-        categories = self.settings.settings.categories
+        categories = self.settings.global_settings.categories
         return filter(self.find_lambda(name), categories)
 
     def split_cpv (self, cpv):
@@ -374,7 +373,7 @@ class PortageSystem (SystemInterface):
         
         # fill cache if needed
         if not self.use_descs and not self.local_use_descs:
-            for dir in [self.settings.settings["PORTDIR"]] + self.settings.settings["PORTDIR_OVERLAY"].split():
+            for dir in [self.settings.global_settings["PORTDIR"]] + self.settings.global_settings["PORTDIR_OVERLAY"].split():
                 
                 # read use.desc
                 try:
diff --git a/portato/backend/portage/system_22.py b/portato/backend/portage/system_22.py
index d5b605f..8ce3cd9 100644
--- a/portato/backend/portage/system_22.py
+++ b/portato/backend/portage/system_22.py
@@ -26,7 +26,7 @@ class PortageSystem_22 (PortageSystem):
 
     def __init__ (self):
         self.settings = PortageSettings_22()
-        portage.WORLD_FILE = os.path.join(self.settings.settings["ROOT"],portage.WORLD_FILE)
+        portage.WORLD_FILE = os.path.join(self.settings.global_settings["ROOT"],portage.WORLD_FILE)
 
         self.use_descs = {}
         self.local_use_descs = defaultdict(dict)
-- 
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