Separate classes and functionality into various files

[mojodb.git] / connection.py

diff --git a/connection.py b/connection.py
new file mode 100644 (file)
index 0000000..ca67b9e
--- /dev/null
+++ b/connection.py
@@ -0,0 +1,85 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    mojo, a Python library for implementing document based databases
+#    Copyright (C) 2013-2014 by Javier Sancho Fernandez <jsf at jsancho dot org>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+##############################################################################
+
+from database import Database
+
+class Connection(object):
+    def __init__(self, *args, **kwargs):
+        self._db_con = None
+
+    def __getattr__(self, db_name):
+        return Database(self, db_name)
+
+    def __getitem__(self, *args, **kwargs):
+        return self.__getattr__(*args, **kwargs)
+
+    def __repr__(self):
+        return "Connection(%s)" % self._db_con
+
+    def _get_databases(self):
+        return []
+
+    def database_names(self):
+        try:
+            return [unicode(x) for x in self._get_databases()]
+        except:
+            return []
+
+    def _get_tables(self, db_name):
+        return []
+
+    def collection_names(self, db_name):
+        try:
+            return list(set([unicode(x.split('$')[0]) for x in filter(lambda x: '$' in x, self._get_tables(db_name))]))
+        except:
+            return []
+
+    def _count_rows(self, db_name, table_name):
+        return 0
+
+    def _count(self, db_name, table_name):
+        try:
+            return self._count_rows(db_name, table_name + '$_id')
+        except:
+            return 0
+
+    def _create_database(self, db_name):
+        return None
+
+    def _create_table(self, db_name, table_name, fields):
+        # [{'name': 'id', 'type': 'char', 'size': 20, 'primary': True}]
+        return None
+
+    def _get_cursor(self, db_name, query):
+        # {'select': [('t1$_id', 'id'), {'select': [('t1$c1', 'value')], 'from': ['t1$c1'], 'where': [(('t1$c1', 'id'), '=', ('t1$_id', 'id'))]}], 'from': ['t1$_id']}
+        return None
+
+    def _next(self, cursor):
+        return None
+
+    def _insert(self, db_name, table_name, values):
+        return None
+
+    def commit(self):
+        pass
+
+    def rollback(self):
+        pass