* specfile: parse history, too

* first implementation of packagedb and sourcedb
  - we are now using the more modern bsddb.dbshelve implementation
    which uses cPickle and berkeley db
* util: TODO: file ops

src/pisi/installdb.py

@@ -3,13 +3,11 @@
 # maintainer: eray and caglar
 
 import config
-import shelve
 import util
+import bsddb.dbshelve as shelve
 
 util.check_dir( config.db_dir() )
-
-d = shelve.open( config.db_dir() + '/install.dbm')
-
+d = shelve.open( config.db_dir() + '/install.bdb')
 files_dir = config.archives_dir() + "/files"
 
 class InstallDBError(Exception):
@@ -38,7 +36,7 @@ def remove( name, version, release):
     d[key] = 'r'
 
 def purge( name, version, release):
-    d.delete(key)
     util.remove_file( files_name( name, version, release) )
+    del d[key]
 
 

src/pisi/packagedb.py

@@ -3,6 +3,17 @@
 # interface for update/query to local package repository
 # maintainer: eray and caglar
 
-import shelve
+# we basically store everything in PackageInfo class
+# yes, we are cheap
 
+import bsddb.dbshelve as shelve
+
+util.check_dir( config.db_dir() )
+d = shelve.open( config.db_dir() + '/package.bdb')
+
+def add_package( name, package_info ):
+    d[name] = package_info
+
+def remove_package(name):
+    del d[name]
 

src/pisi/sourcedb.py

@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+# package source database
+# interface for update/query to local package repository
+# maintainer: eray and caglar
+
+# we basically store everything in sourceinfo class (?)
+# yes, we are cheap
+
+import bsddb.dbshelve as shelve
+
+util.check_dir( config.db_dir() )
+d = shelve.open( config.db_dir() + '/source.bdb')
+
+def add_source( name, source_info ):
+    d[name] = package_info
+
+def remove_source(name):
+    del d[name]

src/pisi/specfile.py

@@ -19,6 +19,12 @@ class DepInfo:
         self.package = getNodeText(node).strip()
         self.versionFrom =  getNodeAttribute(node, "versionFrom")
 
+class HistoryInfo:
+    def __init__(self, node):
+        self.date = getNodeText(getNode(node, "Date"))
+        self.version = getNodeText(getNode(node, "Version"))
+        self.release = getNodeText(getNode(node, "Release"))
+
 class PathInfo:
     def __init__(self, node):
         self.pathname = getNodeText(node)
@@ -59,10 +65,13 @@ class SpecFile(XmlFile):
         buildDepElts = self.getChildElts("Source/BuildDependencies")
         self.buildDeps = [DepInfo(d) for d in buildDepElts]
 
+        historyElts = self.getAllNodes("History/Update")
+        self.history = [HistoryInfo(x) for x in historyElts]
+
         # find all binary packages
         packageElts = self.getAllNodes("Package")
         self.packages = [PackageInfo(p) for p in packageElts]
-            
+        
     def verify(self):
         """Verify PSPEC structures, are they what we want of them?"""
         return True

src/pisi/util.py

@@ -8,7 +8,7 @@ import md5
 
 # check if directory exists, and create if it doesn't
 # works recursively
-# FIXME: could hav a better name
+# FIXME: could have a better name
 def check_dir(dir):
     dir = dir.rstrip()
     dir = dir.rstrip("/")
@@ -19,6 +19,17 @@ def check_dir(dir):
         check_dir(parent_dir)
         os.mkdir(dir)
 
+# TODO:
+def copy_file():
+    pass
+
+def remove_file():
+    # unlink file
+    pass
+
+def copy_dir():
+    pass
+
 def md5_file(filename):
     m = md5.new()
     f = file(filename, 'rb')