it was not possible to finalize and than initialize later after importing the db modules.

make the globals in db modules None and leave the rest to python.


======================================================================
ERROR: testRemovePurge (installdbtests.InstallDBTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/baris/svn/uludag/trunk/pisi/tests/installdbtests.py", line 22, in setUp
    pisi.api.init(database = True, comar = False)
  File "/usr/lib/python2.3/site-packages/pisi/api.py", line 66, in init
    ctx.filesdb = pisi.files.FilesDB()
  File "/usr/lib/python2.3/site-packages/pisi/files.py", line 109, in __init__
    shelve.LockedDBShelf.__init__(self, 'files')
  File "/usr/lib/python2.3/site-packages/pisi/lockeddbshelve.py", line 43, in __init__
    self.open(filename, dbname, filetype, flags, mode)
  File "/usr/lib/python2.3/site-packages/pisi/lockeddbshelve.py", line 70, in open
    self.lock()
  File "/usr/lib/python2.3/site-packages/pisi/lockeddbshelve.py", line 78, in lock
    raise Error(_("Another instance of PISI is running. Try later!"))
Error: PISI bir yerde daha çalışıyor. Yine deneyin!

pisi/installdb.py

@@ -182,4 +182,5 @@ def finalize():
     global db
     if db:
         db.close()
+        db = None
 

pisi/packagedb.py

@@ -143,17 +143,28 @@ def remove_package(name):
 
 thirdparty_packagedb = inst_packagedb = None
 
-def init_db():   
-    if not pisi.packagedb.thirdparty_packagedb:
-        pisi.packagedb.thirdparty_packagedb = PackageDB('thirdparty')
+def init_db():
+    global thirdparty_packagedb
+    global inst_packagedb
+
+    if not thirdparty_packagedb:
+        thirdparty_packagedb = PackageDB('thirdparty')
     if not pisi.packagedb.inst_packagedb:
-        pisi.packagedb.inst_packagedb = PackageDB('installed')
+        inst_packagedb = PackageDB('installed')
 
 def finalize_db():
-    if pisi.packagedb.thirdparty_packagedb:
-        pisi.packagedb.thirdparty_packagedb.close()
-    if pisi.packagedb.inst_packagedb:
-        pisi.packagedb.inst_packagedb.close()
-    if pisi.packagedb.packagedbs:
-        del pisi.packagedb.packagedbs
+    global thirdparty_packagedb
+    global inst_packagedb
+    global packagedbs
+
+    if thirdparty_packagedb:
+        thirdparty_packagedb.close()
+        thirdparty_packagedb = None
+
+    if inst_packagedb:
+        inst_packagedb.close()
+        inst_packagedb = None
+
+    if packagedbs:
+        del packagedbs
 

pisi/repodb.py

@@ -103,16 +103,20 @@ class RepoDB(object):
 db = None
 
 def init():
-    if pisi.repodb.db:
-        return pisi.repodb.db
+    global db
 
-    pisi.repodb.db = RepoDB()
-    pisi.repodb.db.init_dbs()
-    return pisi.repodb.db
+    if db:
+        return db
+
+    db = RepoDB()
+    db.init_dbs()
+    return db
     
 def finalize():
     global db
-    if pisi.repodb.db:
+
+    if db:
         db.close()
+        db = None