# Path: canary/utils.py
# class DTable:
#     """
#     Convenience class for rdbms-persisted object types.  Allows simple
#     loading of data for single-valued fields using set() and for multi-valued
#     fields using append().
#     """
#     
#     def set (self, field, value):
#         """
#         Dynamic field setting for simpler database lookups
#         """
#         if value == None:
#             setattr(self, str(field), str(''))
#         else:
#             setattr(self, str(field), value)
#        
#     #def append (self, field, value):
#     #    list_attr = getattr(self, str(field))
#     #    if not value in list_attr:
#     #        list_attr.append(value)
#     
#        
#     def get_new_uid (self, context):
#         cursor = context.get_cursor()
#         try:
#             cursor.execute('SELECT LAST_INSERT_ID() AS new_uid')
#             row = cursor.fetchone()
#             new_uid = int(row[0])
#         except:
#             new_uid = -1
#         return new_uid
#     
# 
#     def load (self, context):
#         cursor = context.get_cursor()
#         if self.uid:
#             cursor.execute("""SELECT * FROM """ + self.TABLE_NAME +
#                 """
#                 WHERE uid LIKE %s
#                 """, (self.uid))
#             fields = [d[0] for d in cursor.description]
#             desc = dtuple.TupleDescriptor([[f] for f in fields])
#             row = cursor.fetchone()
#             if row:
#                 row = dtuple.DatabaseTuple(desc, row)
#                 for field in fields:
#                     self.set(field, row[field])
#             else:
#                 context.logger.debug('No %s "%s"', self.TABLE_NAME, self.uid)
#                 print 'No %s "%s"' % (self.TABLE_NAME, self.uid)
#                 raise 'InvalidId'
#                 
# 
#     def delete (self, context):
#         cursor = context.get_cursor()
#         try:
#             if self.uid >= 0:
#                 cursor.execute("""DELETE FROM """ + self.TABLE_NAME +
#                     """
#                     WHERE uid = %s
#                     """, self.uid)
#         except Exception, e:
#             context.logger.error(e)


import dtuple
import time
from canary.utils import DTable

    def delete_term (self, context, id):
        cursor = context.get_cursor()
        try:
            uid = int(id)
            if self.terms.has_key(uid):
                term = self.terms[uid]
                source = self.get_source(term.source_id)
                source.delete_term(context, uid)
        except:
            pass
        
    def load (self, context, load_terms=True):
        sources = {}
        cursor = context.get_cursor()
        cursor.execute('SELECT uid FROM sources')
        rows = cursor.fetchall()
        for row in rows:
            source = Source(uid=row[0])
            source.load(context, load_terms=load_terms)
            self.sources[source.uid] = source

            # index the terms by id if they were loaded
            if load_terms:
                term_ids = source.terms.keys()
                for term_uid in term_ids:
                    self.terms[term_uid] = source.terms[term_uid]
        
        


# Path: canary/utils.py
# class DTable:
#     """
#     Convenience class for rdbms-persisted object types.  Allows simple
#     loading of data for single-valued fields using set() and for multi-valued
#     fields using append().
#     """
#     
#     def set (self, field, value):
#         """
#         Dynamic field setting for simpler database lookups
#         """
#         if value == None:
#             setattr(self, str(field), str(''))
#         else:
#             setattr(self, str(field), value)
#        
#     #def append (self, field, value):
#     #    list_attr = getattr(self, str(field))
#     #    if not value in list_attr:
#     #        list_attr.append(value)
#     
#        
#     def get_new_uid (self, context):
#         cursor = context.get_cursor()
#         try:
#             cursor.execute('SELECT LAST_INSERT_ID() AS new_uid')
#             row = cursor.fetchone()
#             new_uid = int(row[0])
#         except:
#             new_uid = -1
#         return new_uid
#     
# 
#     def load (self, context):
#         cursor = context.get_cursor()
#         if self.uid:
#             cursor.execute("""SELECT * FROM """ + self.TABLE_NAME +
#                 """
#                 WHERE uid LIKE %s
#                 """, (self.uid))
#             fields = [d[0] for d in cursor.description]
#             desc = dtuple.TupleDescriptor([[f] for f in fields])
#             row = cursor.fetchone()
#             if row:
#                 row = dtuple.DatabaseTuple(desc, row)
#                 for field in fields:
#                     self.set(field, row[field])
#             else:
#                 context.logger.debug('No %s "%s"', self.TABLE_NAME, self.uid)
#                 print 'No %s "%s"' % (self.TABLE_NAME, self.uid)
#                 raise 'InvalidId'
#                 
# 
#     def delete (self, context):
#         cursor = context.get_cursor()
#         try:
#             if self.uid >= 0:
#                 cursor.execute("""DELETE FROM """ + self.TABLE_NAME +
#                     """
#                     WHERE uid = %s
#                     """, self.uid)
#         except Exception, e:
#             context.logger.error(e)


# Path: canary/source_catalog.py
import dtuple
import time
from canary.utils import DTable


    def delete_term (self, context, id):
        cursor = context.get_cursor()
        try:
            uid = int(id)
            if self.terms.has_key(uid):
                term = self.terms[uid]
                source = self.get_source(term.source_id)
                source.delete_term(context, uid)
        except:
            pass
        
    def load (self, context, load_terms=True):
        sources = {}
        cursor = context.get_cursor()
        cursor.execute('SELECT uid FROM sources')
        rows = cursor.fetchall()
        for row in rows:
            source = Source(uid=row[0])
            source.load(context, load_terms=load_terms)
            self.sources[source.uid] = source

            # index the terms by id if they were loaded
            if load_terms:
                term_ids = source.terms.keys()
                for term_uid in term_ids:
                    self.terms[term_uid] = source.terms[term_uid]
        
        


class CatalogItem (DTable):