From 20e0bdf9d568512be357f26867ef7535251e33a4 Mon Sep 17 00:00:00 2001
From: Brian Harring <ferringb@gentoo.org>
Date: Sat, 5 Nov 2005 06:14:41 +0000
Subject: bye bye you decrepit POS cache implementation.

svn path=/main/branches/2.0/; revision=2259
---
 pym/portage_db_flat.py | 124 -------------------------------------------------
 1 file changed, 124 deletions(-)
 delete mode 100644 pym/portage_db_flat.py

(limited to 'pym/portage_db_flat.py')

diff --git a/pym/portage_db_flat.py b/pym/portage_db_flat.py
deleted file mode 100644
index 4fc220bb9..000000000
--- a/pym/portage_db_flat.py
+++ /dev/null
@@ -1,124 +0,0 @@
-# Copyright 2004 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-# $Id: /var/cvsroot/gentoo-src/portage/pym/Attic/portage_db_flat.py,v 1.13.2.6 2005/04/19 07:14:17 ferringb Exp $
-
-
-import types
-import os
-import stat
-
-import portage_db_template
-
-# since this format is massively deprecated, 
-# we're hardcoding the previously weird line count
-magic_line_count = 22
-
-class database(portage_db_template.database):
-	def module_init(self):
-		self.lastkey  = None # Cache
-		self.lastval  = None # Cache
-
-		self.fullpath = self.path + "/" + self.category + "/"
-
-		if not os.path.exists(self.fullpath):
-			prevmask=os.umask(0)
-			os.makedirs(self.fullpath, 02775)
-			os.umask(prevmask)
-			try:
-				os.chown(self.fullpath, self.uid, self.gid)
-				os.chmod(self.fullpath, 02775)
-			except SystemExit, e:
-				raise
-			except:
-				pass
-		
-	def has_key(self,key):
-		if os.path.exists(self.fullpath+key):
-			return 1
-		return 0
-	
-	def keys(self):
-		# XXX: NEED TOOLS SEPERATED
-		# return portage.listdir(self.fullpath,filesonly=1)
-		mykeys = []
-		for x in os.listdir(self.fullpath):
-			if os.path.isfile(self.fullpath+x) and not x.startswith(".update."):
-				mykeys += [x]
-		return mykeys
-
-	def get_values(self,key, data=None):
-		""" do not use data unless you know what it does."""
-
-		if not key:
-			raise KeyError, "key is not set to a valid value"
-
-		mydict = {}
-		if data == None:
-			try:
-				# give buffering a hint of the pretty much maximal cache size we deal with
-				myf = open(self.fullpath+key, "r", 8192)
-			except OSError:
-				# either the file didn't exist, or it was removed under our feet.
-				raise KeyError("failed reading key")
-
-			# nuke the newlines right off the batt.
-			data = myf.read().splitlines()
-			mydict["_mtime_"] = os.fstat(myf.fileno()).st_mtime
-			myf.close()
-		else:
-			mydict["_mtime_"] = data.pop(-1)
-
-		# rely on exceptions to note differing line counts.
-		try:
-			for x in range(magic_line_count):
-				mydict[self.dbkeys[x]] = data[x]
-
-		except IndexError:
-			raise ValueError, "Key count mistmatch"
-
-		return mydict
-	
-	def set_values(self,key, val, raw=False):
-		if not key:
-			raise KeyError, "No key provided. key:%s val:%s" % (key,val)
-		if not val:
-			raise ValueError, "No value provided. key:%s val:%s" % (key,val)
-			
-		# XXX threaded cache updates won't play nice with this.
-		# need a synchronization primitive, or locking (of the fileno, not a seperate file)
-		# to correctly handle threading.
-
-		update_fp = self.fullpath + ".update." + str(os.getpid()) + "." + key
-		myf = open(update_fp,"w")
-		if not raw:
-			myf.writelines( [ str(val[x]) +"\n" for x in self.dbkeys] )
-			if len(self.dbkeys) != magic_line_count:
-				myf.writelines(["\n"] * len(self.dbkeys) - magic_line_count)
-			mtime = val["_mtime_"]
-		else:
-			mtime = val.pop(-1)
-			myf.writelines(val)
-		myf.close()
-		
-		os.chown(update_fp, self.uid, self.gid)
-		os.chmod(update_fp, 0664)
-		os.utime(update_fp, (-1,long(mtime)))
-		os.rename(update_fp, self.fullpath+key)
-
-	def del_key(self,key):
-		try:
-			os.unlink(self.fullpath+key)
-		except OSError, oe:
-			# just attempt it without checking, due to the fact that
-			# a cache update could be in progress.
-			self.lastkey = None
-			self.lastval = None
-			return 0
-		return 1
-			
-	def sync(self):
-		return
-	
-	def close(self):
-		return
-	
-- 
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