Moved the backends into the backends package. Anydbm hasn't been tested at all.

git-svn-id: http://svn.roundup-tracker.org/svnroot/roundup/trunk@49 57a73879-2fb5-44c3-a270-3262357dd7e2

diff --git a/roundup/backends/_anydbm.py b/roundup/backends/_anydbm.py
new file mode 100644 (file)
index 0000000..bf96f27
--- /dev/null
+++ b/roundup/backends/_anydbm.py
@@ -0,0 +1,165 @@
+#$Id: _anydbm.py,v 1.1 2001-07-23 07:15:57 richard Exp $
+
+import anydbm, os, cPickle
+from roundup import hyperdb, date
+
+#
+# Now the database
+#
+class Database(hyperdb.Database):
+    """A database for storing records containing flexible data types."""
+
+    def __init__(self, storagelocator, journaltag=None):
+        """Open a hyperdatabase given a specifier to some storage.
+
+        The meaning of 'storagelocator' depends on the particular
+        implementation of the hyperdatabase.  It could be a file name,
+        a directory path, a socket descriptor for a connection to a
+        database over the network, etc.
+
+        The 'journaltag' is a token that will be attached to the journal
+        entries for any edits done on the database.  If 'journaltag' is
+        None, the database is opened in read-only mode: the Class.create(),
+        Class.set(), and Class.retire() methods are disabled.
+        """
+        self.dir, self.journaltag = storagelocator, journaltag
+        self.classes = {}
+
+    #
+    # Classes
+    #
+    def __getattr__(self, classname):
+        """A convenient way of calling self.getclass(classname)."""
+        return self.classes[classname]
+
+    def addclass(self, cl):
+        cn = cl.classname
+        if self.classes.has_key(cn):
+            raise ValueError, cn
+        self.classes[cn] = cl
+
+    def getclasses(self):
+        """Return a list of the names of all existing classes."""
+        l = self.classes.keys()
+        l.sort()
+        return l
+
+    def getclass(self, classname):
+        """Get the Class object representing a particular class.
+
+        If 'classname' is not a valid class name, a KeyError is raised.
+        """
+        return self.classes[classname]
+
+    #
+    # Class DBs
+    #
+    def clear(self):
+        for cn in self.classes.keys():
+            db = os.path.join(self.dir, 'nodes.%s'%cn)
+            anydbm.open(db, 'n')
+            db = os.path.join(self.dir, 'journals.%s'%cn)
+            anydbm.open(db, 'n')
+
+    def getclassdb(self, classname, mode='r'):
+        ''' grab a connection to the class db that will be used for
+            multiple actions
+        '''
+        path = os.path.join(os.getcwd(), self.dir, 'nodes.%s'%classname)
+        return anydbm.open(path, mode)
+
+    def addnode(self, classname, nodeid, node):
+        ''' add the specified node to its class's db
+        '''
+        db = self.getclassdb(classname, 'c')
+        db[nodeid] = cPickle.dumps(node, 1)
+        db.close()
+    setnode = addnode
+
+    def getnode(self, classname, nodeid, cldb=None):
+        ''' add the specified node to its class's db
+        '''
+        db = cldb or self.getclassdb(classname)
+        if not db.has_key(nodeid):
+            raise IndexError, nodeid
+        res = cPickle.loads(db[nodeid])
+        if not cldb: db.close()
+        return res
+
+    def hasnode(self, classname, nodeid, cldb=None):
+        ''' add the specified node to its class's db
+        '''
+        db = cldb or self.getclassdb(classname)
+        res = db.has_key(nodeid)
+        if not cldb: db.close()
+        return res
+
+    def countnodes(self, classname, cldb=None):
+        db = cldb or self.getclassdb(classname)
+        return len(db.keys())
+        if not cldb: db.close()
+        return res
+
+    def getnodeids(self, classname, cldb=None):
+        db = cldb or self.getclassdb(classname)
+        res = db.keys()
+        if not cldb: db.close()
+        return res
+
+    #
+    # Journal
+    #
+    def addjournal(self, classname, nodeid, action, params):
+        ''' Journal the Action
+        'action' may be:
+
+            'create' or 'set' -- 'params' is a dictionary of property values
+            'link' or 'unlink' -- 'params' is (classname, nodeid, propname)
+            'retire' -- 'params' is None
+        '''
+        entry = (nodeid, date.Date(), self.journaltag, action, params)
+        db = anydbm.open(os.path.join(self.dir, 'journals.%s'%classname), 'c')
+        if db.has_key(nodeid):
+            s = db[nodeid]
+            l = cPickle.loads(db[nodeid])
+            l.append(entry)
+        else:
+            l = [entry]
+        db[nodeid] = cPickle.dumps(l)
+        db.close()
+
+    def getjournal(self, classname, nodeid):
+        ''' get the journal for id
+        '''
+        db = anydbm.open(os.path.join(self.dir, 'journals.%s'%classname), 'r')
+        res = cPickle.loads(db[nodeid])
+        db.close()
+        return res
+
+    def close(self):
+        ''' Close the Database - we must release the circular refs so that
+            we can be del'ed and the underlying anydbm connections closed
+            cleanly.
+        '''
+        self.classes = None
+
+
+    #
+    # Basic transaction support
+    #
+    # TODO: well, write these methods (and then use them in other code)
+    def register_action(self):
+        ''' Register an action to the transaction undo log
+        '''
+
+    def commit(self):
+        ''' Commit the current transaction, start a new one
+        '''
+
+    def rollback(self):
+        ''' Reverse all actions from the current transaction
+        '''
+
+#
+#$Log: not supported by cvs2svn $
+#

diff --git a/roundup/backends/_bsddb.py b/roundup/backends/_bsddb.py
new file mode 100644 (file)
index 0000000..484a59d
--- /dev/null
+++ b/roundup/backends/_bsddb.py
@@ -0,0 +1,180 @@
+#$Id: _bsddb.py,v 1.1 2001-07-23 07:15:57 richard Exp $
+
+import bsddb, os, cPickle
+from roundup import hyperdb, date
+
+#
+# Now the database
+#
+class Database(hyperdb.Database):
+    """A database for storing records containing flexible data types."""
+
+    def __init__(self, storagelocator, journaltag=None):
+        """Open a hyperdatabase given a specifier to some storage.
+
+        The meaning of 'storagelocator' depends on the particular
+        implementation of the hyperdatabase.  It could be a file name,
+        a directory path, a socket descriptor for a connection to a
+        database over the network, etc.
+
+        The 'journaltag' is a token that will be attached to the journal
+        entries for any edits done on the database.  If 'journaltag' is
+        None, the database is opened in read-only mode: the Class.create(),
+        Class.set(), and Class.retire() methods are disabled.
+        """
+        self.dir, self.journaltag = storagelocator, journaltag
+        self.classes = {}
+
+    #
+    # Classes
+    #
+    def __getattr__(self, classname):
+        """A convenient way of calling self.getclass(classname)."""
+        return self.classes[classname]
+
+    def addclass(self, cl):
+        cn = cl.classname
+        if self.classes.has_key(cn):
+            raise ValueError, cn
+        self.classes[cn] = cl
+
+    def getclasses(self):
+        """Return a list of the names of all existing classes."""
+        l = self.classes.keys()
+        l.sort()
+        return l
+
+    def getclass(self, classname):
+        """Get the Class object representing a particular class.
+
+        If 'classname' is not a valid class name, a KeyError is raised.
+        """
+        return self.classes[classname]
+
+    #
+    # Class DBs
+    #
+    def clear(self):
+        for cn in self.classes.keys():
+            db = os.path.join(self.dir, 'nodes.%s'%cn)
+            bsddb.btopen(db, 'n')
+            db = os.path.join(self.dir, 'journals.%s'%cn)
+            bsddb.btopen(db, 'n')
+
+    def getclassdb(self, classname, mode='r'):
+        ''' grab a connection to the class db that will be used for
+            multiple actions
+        '''
+        path = os.path.join(os.getcwd(), self.dir, 'nodes.%s'%classname)
+        return bsddb.btopen(path, mode)
+
+    def addnode(self, classname, nodeid, node):
+        ''' add the specified node to its class's db
+        '''
+        db = self.getclassdb(classname, 'c')
+        db[nodeid] = cPickle.dumps(node, 1)
+        db.close()
+    setnode = addnode
+
+    def getnode(self, classname, nodeid, cldb=None):
+        ''' add the specified node to its class's db
+        '''
+        db = cldb or self.getclassdb(classname)
+        if not db.has_key(nodeid):
+            raise IndexError, nodeid
+        res = cPickle.loads(db[nodeid])
+        if not cldb: db.close()
+        return res
+
+    def hasnode(self, classname, nodeid, cldb=None):
+        ''' add the specified node to its class's db
+        '''
+        db = cldb or self.getclassdb(classname)
+        res = db.has_key(nodeid)
+        if not cldb: db.close()
+        return res
+
+    def countnodes(self, classname, cldb=None):
+        db = cldb or self.getclassdb(classname)
+        return len(db.keys())
+        if not cldb: db.close()
+        return res
+
+    def getnodeids(self, classname, cldb=None):
+        db = cldb or self.getclassdb(classname)
+        res = db.keys()
+        if not cldb: db.close()
+        return res
+
+    #
+    # Journal
+    #
+    def addjournal(self, classname, nodeid, action, params):
+        ''' Journal the Action
+        'action' may be:
+
+            'create' or 'set' -- 'params' is a dictionary of property values
+            'link' or 'unlink' -- 'params' is (classname, nodeid, propname)
+            'retire' -- 'params' is None
+        '''
+        entry = (nodeid, date.Date(), self.journaltag, action, params)
+        db = bsddb.btopen(os.path.join(self.dir, 'journals.%s'%classname), 'c')
+        if db.has_key(nodeid):
+            s = db[nodeid]
+            l = cPickle.loads(db[nodeid])
+            l.append(entry)
+        else:
+            l = [entry]
+        db[nodeid] = cPickle.dumps(l)
+        db.close()
+
+    def getjournal(self, classname, nodeid):
+        ''' get the journal for id
+        '''
+        # attempt to open the journal - in some rare cases, the journal may
+        # not exist
+        try:
+            db = bsddb.btopen(os.path.join(self.dir, 'journals.%s'%classname),
+                'r')
+        except bsddb.error, error:
+            if error.args[0] != 2: raise
+            return []
+        res = cPickle.loads(db[nodeid])
+        db.close()
+        return res
+
+    def close(self):
+        ''' Close the Database - we must release the circular refs so that
+            we can be del'ed and the underlying bsddb connections closed
+            cleanly.
+        '''
+        self.classes = None
+
+
+    #
+    # Basic transaction support
+    #
+    # TODO: well, write these methods (and then use them in other code)
+    def register_action(self):
+        ''' Register an action to the transaction undo log
+        '''
+
+    def commit(self):
+        ''' Commit the current transaction, start a new one
+        '''
+
+    def rollback(self):
+        ''' Reverse all actions from the current transaction
+        '''
+
+#
+#$Log: not supported by cvs2svn $
+#Revision 1.1  2001/07/23 06:23:41  richard
+#moved hyper_bsddb.py to the new backends package as bsddb.py
+#
+#Revision 1.2  2001/07/22 12:09:32  richard
+#Final commit of Grande Splite
+#
+#Revision 1.1  2001/07/22 11:58:35  richard
+#More Grande Splite
+#

diff --git a/roundup/backends/bsddb.py b/roundup/backends/bsddb.py
deleted file mode 100644 (file)
index c2b6edb..0000000
--- a/roundup/backends/bsddb.py
+++ /dev/null
@@ -1,170 +0,0 @@
-#$Id: bsddb.py,v 1.1 2001-07-23 06:23:41 richard Exp $
-
-import bsddb, os, cPickle
-import hyperdb, date
-
-#
-# Now the database
-#
-class Database(hyperdb.Database):
-    """A database for storing records containing flexible data types."""
-
-    def __init__(self, storagelocator, journaltag=None):
-        """Open a hyperdatabase given a specifier to some storage.
-
-        The meaning of 'storagelocator' depends on the particular
-        implementation of the hyperdatabase.  It could be a file name,
-        a directory path, a socket descriptor for a connection to a
-        database over the network, etc.
-
-        The 'journaltag' is a token that will be attached to the journal
-        entries for any edits done on the database.  If 'journaltag' is
-        None, the database is opened in read-only mode: the Class.create(),
-        Class.set(), and Class.retire() methods are disabled.
-        """
-        self.dir, self.journaltag = storagelocator, journaltag
-        self.classes = {}
-
-    #
-    # Classes
-    #
-    def __getattr__(self, classname):
-        """A convenient way of calling self.getclass(classname)."""
-        return self.classes[classname]
-
-    def addclass(self, cl):
-        cn = cl.classname
-        if self.classes.has_key(cn):
-            raise ValueError, cn
-        self.classes[cn] = cl
-
-    def getclasses(self):
-        """Return a list of the names of all existing classes."""
-        l = self.classes.keys()
-        l.sort()
-        return l
-
-    def getclass(self, classname):
-        """Get the Class object representing a particular class.
-
-        If 'classname' is not a valid class name, a KeyError is raised.
-        """
-        return self.classes[classname]
-
-    #
-    # Class DBs
-    #
-    def clear(self):
-        for cn in self.classes.keys():
-            db = os.path.join(self.dir, 'nodes.%s'%cn)
-            bsddb.btopen(db, 'n')
-            db = os.path.join(self.dir, 'journals.%s'%cn)
-            bsddb.btopen(db, 'n')
-
-    def getclassdb(self, classname, mode='r'):
-        ''' grab a connection to the class db that will be used for
-            multiple actions
-        '''
-        path = os.path.join(os.getcwd(), self.dir, 'nodes.%s'%classname)
-        return bsddb.btopen(path, mode)
-
-    def addnode(self, classname, nodeid, node):
-        ''' add the specified node to its class's db
-        '''
-        db = self.getclassdb(classname, 'c')
-        db[nodeid] = cPickle.dumps(node, 1)
-        db.close()
-    setnode = addnode
-
-    def getnode(self, classname, nodeid, cldb=None):
-        ''' add the specified node to its class's db
-        '''
-        db = cldb or self.getclassdb(classname)
-        if not db.has_key(nodeid):
-            raise IndexError, nodeid
-        res = cPickle.loads(db[nodeid])
-        if not cldb: db.close()
-        return res
-
-    def hasnode(self, classname, nodeid, cldb=None):
-        ''' add the specified node to its class's db
-        '''
-        db = cldb or self.getclassdb(classname)
-        res = db.has_key(nodeid)
-        if not cldb: db.close()
-        return res
-
-    def countnodes(self, classname, cldb=None):
-        db = cldb or self.getclassdb(classname)
-        return len(db.keys())
-        if not cldb: db.close()
-        return res
-
-    def getnodeids(self, classname, cldb=None):
-        db = cldb or self.getclassdb(classname)
-        res = db.keys()
-        if not cldb: db.close()
-        return res
-
-    #
-    # Journal
-    #
-    def addjournal(self, classname, nodeid, action, params):
-        ''' Journal the Action
-        'action' may be:
-
-            'create' or 'set' -- 'params' is a dictionary of property values
-            'link' or 'unlink' -- 'params' is (classname, nodeid, propname)
-            'retire' -- 'params' is None
-        '''
-        entry = (nodeid, date.Date(), self.journaltag, action, params)
-        db = bsddb.btopen(os.path.join(self.dir, 'journals.%s'%classname), 'c')
-        if db.has_key(nodeid):
-            s = db[nodeid]
-            l = cPickle.loads(db[nodeid])
-            l.append(entry)
-        else:
-            l = [entry]
-        db[nodeid] = cPickle.dumps(l)
-        db.close()
-
-    def getjournal(self, classname, nodeid):
-        ''' get the journal for id
-        '''
-        db = bsddb.btopen(os.path.join(self.dir, 'journals.%s'%classname), 'r')
-        res = cPickle.loads(db[nodeid])
-        db.close()
-        return res
-
-    def close(self):
-        ''' Close the Database - we must release the circular refs so that
-            we can be del'ed and the underlying bsddb connections closed
-            cleanly.
-        '''
-        self.classes = None
-
-
-    #
-    # Basic transaction support
-    #
-    # TODO: well, write these methods (and then use them in other code)
-    def register_action(self):
-        ''' Register an action to the transaction undo log
-        '''
-
-    def commit(self):
-        ''' Commit the current transaction, start a new one
-        '''
-
-    def rollback(self):
-        ''' Reverse all actions from the current transaction
-        '''
-
-#
-#$Log: not supported by cvs2svn $
-#Revision 1.2  2001/07/22 12:09:32  richard
-#Final commit of Grande Splite
-#
-#Revision 1.1  2001/07/22 11:58:35  richard
-#More Grande Splite
-#