### $URL$
import report
-
+import pgdb
from pg import DB, ProgrammingError
-
from sfa.trust.gid import *
from sfa.util.record import *
from sfa.util.debug import *
+from sfa.util.config import *
+from sfa.util.filter import *
-GENI_TABLE_PREFIX = "geni$"
+class GeniTable(list):
-class GeniTable:
- def __init__(self, create=False, hrn="unspecified.default.registry", cninfo=None):
- global GENI_TABLE_PREFIX
+ GENI_TABLE_PREFIX = "sfa"
- self.hrn = hrn
+ def __init__(self, record_filter = None):
# pgsql doesn't like table names with "." in them, to replace it with "$"
- self.tablename = GENI_TABLE_PREFIX + self.hrn.replace(".", "$")
+ self.tablename = GeniTable.GENI_TABLE_PREFIX
# establish a connection to the pgsql server
+ cninfo = Config().get_plc_dbinfo()
self.cnx = DB(cninfo['dbname'], cninfo['address'], port=cninfo['port'], user=cninfo['user'], passwd=cninfo['password'])
- # if asked to create the table, then create it
- if create:
- self.create()
+ if record_filter:
+ records = self.find(record_filter)
+ for record in reocrds:
+ self.append(record)
def exists(self):
tableList = self.cnx.get_tables()
def create(self):
querystr = "CREATE TABLE " + self.tablename + " ( \
- key text, \
- name text, \
+ record_id serial PRIMARY KEY , \
+ hrn text NOT NULL, \
+ authority text NOT NULL, \
gid text, \
- type text, \
- pointer integer);"
+ type text NOT NULL, \
+ pointer integer, \
+ date_created timestamp without time zone NOT NULL DEFAULT CURRENT_TIMESTAMP, \
+ last_updated timestamp without time zone NOT NULL DEFAULT CURRENT_TIMESTAMP);"
template = "CREATE INDEX %s_%s_idx ON %s (%s);"
indexes = [template % ( self.tablename, field, self.tablename, field) \
- for field in ['name', 'type' ]]
+ for field in ['hrn', 'type', 'authority', 'pointer']]
# IF EXISTS doenst exist in postgres < 8.2
try:
self.cnx.query('DROP TABLE IF EXISTS ' + self.tablename)
self.cnx.query('DROP TABLE ' + self.tablename)
except ProgrammingError:
pass
-
+
self.cnx.query(querystr)
for index in indexes:
self.cnx.query(index)
def remove(self, record):
- query_str = "DELETE FROM " + self.tablename + " WHERE key = '" + record.get_key() + "'"
+ query_str = "DELETE FROM %s WHERE record_id = %s" % (self.tablename, record['record_id'])
self.cnx.query(query_str)
def insert(self, record):
- fieldnames = ["key"] + record.get_field_names()
+ dont_insert = ['date_created', 'last_updated']
+ fields = [field for field in record.fields.keys() if field not in dont_insert]
+ fieldnames = ["pointer"] + fields
fieldvals = record.get_field_value_strings(fieldnames)
query_str = "INSERT INTO " + self.tablename + \
"(" + ",".join(fieldnames) + ") " + \
self.cnx.query(query_str)
def update(self, record):
- names = record.get_field_names()
+ dont_update = ['date_created', 'last_updated']
+ fields = [field for field in record.fields.keys() if field not in dont_update]
+ fieldvals = record.get_field_value_strings(fields)
pairs = []
- for name in names:
- val = record.get_field_value_string(name)
- pairs.append(name + " = " + val)
+ for field in fields:
+ val = record.get_field_value_string(field)
+ pairs.append(field + " = " + val)
update = ", ".join(pairs)
- query_str = "UPDATE " + self.tablename+ " SET " + update + " WHERE key = '" + record.get_key() + "'"
+ query_str = "UPDATE %s SET %s WHERE record_id = %s" % \
+ (self.tablename, update, record['record_id'])
#print query_str
self.cnx.query(query_str)
- def find_dict(self, type, value, searchfield):
- query_str = "SELECT * FROM " + self.tablename + " WHERE " + searchfield + " = '" + str(value) + "'"
- dict_list = self.cnx.query(query_str).dictresult()
- result_dict_list = []
- for dict in dict_list:
- if (type=="*") or (dict['type'] == type):
- dict['hrn'] = dict['name']
- result_dict_list.append(dict)
- return result_dict_list
-
- def find(self, type, value, searchfield):
- result_dict_list = self.find_dict(type, value, searchfield)
+ def quote(self, value):
+ """
+ Returns quoted version of the specified value.
+ """
+
+ # The pgdb._quote function is good enough for general SQL
+ # quoting, except for array types.
+ if isinstance(value, (list, tuple, set)):
+ return "ARRAY[%s]" % ", ".join(map, self.quote, value)
+ else:
+ return pgdb._quote(value)
+
+ def find(self, record_filter = None):
+ sql = "SELECT * FROM %s WHERE True " % self.tablename
+
+ if isinstance(record_filter, (list, tuple, set)):
+ ints = filter(lambda x: isinstance(x, (int, long)), record_filter)
+ strs = filter(lambda x: isinstance(x, StringTypes), record_filter)
+ record_filter = Filter(GeniRecord.all_fields, {'record_id': ints, 'hrn': strs})
+ sql += "AND (%s) %s " % record_filter.sql("OR")
+ elif isinstance(record_filter, dict):
+ record_filter = Filter(GeniRecord.all_fields, record_filter)
+ sql += " AND (%s) %s" % record_filter.sql("AND")
+ elif isinstance(record_filter, StringTypes):
+ record_filter = Filter(GeniRecord.all_fields, {'hrn':[record_filter]})
+ sql += " AND (%s) %s" % record_filter.sql("AND")
+ elif isinstance(record_filter, int):
+ record_filter = Filter(GeniRecord.all_fields, {'record_id':[record_filter]})
+ sql += " AND (%s) %s" % record_filter.sql("AND")
+ results = self.cnx.query(sql).dictresult()
+ return results
+
+ def findObjects(self, record_filter = None):
+
+ results = self.find(record_filter)
result_rec_list = []
- for result in result_dict_list:
+ for result in results:
if result['type'] in ['authority']:
result_rec_list.append(AuthorityRecord(dict=result))
elif result['type'] in ['node']:
result_rec_list.append(GeniRecord(dict=result))
return result_rec_list
- def resolve_dict(self, type, hrn):
- return self.find_dict(type, hrn, "name")
-
- def resolve(self, type, hrn):
- return self.find(type, hrn, "name")
-
- def list_dict(self):
- query_str = "SELECT * FROM " + self.tablename
- result_dict_list = self.cnx.query(query_str).dictresult()
- return result_dict_list
-
- def list(self):
- result_dict_list = self.list_dict()
- result_rec_list = []
- for dict in result_dict_list:
- result_rec_list.append(GeniRecord(dict=dict).as_dict())
- return result_rec_list
-
-def set_geni_table_prefix(x):
- global GENI_TABLE_PREFIX
-
- GENI_TABLE_PREFIX = x
-def geni_records_purge(cninfo):
- global GENI_TABLE_PREFIX
-
- cnx = DB(cninfo['dbname'], cninfo['address'], port=cninfo['port'], user=cninfo['user'], passwd=cninfo['password'])
- tableList = cnx.get_tables()
- for table in tableList:
- if table.startswith(GENI_TABLE_PREFIX) or \
- table.startswith('public.' + GENI_TABLE_PREFIX) or \
- table.startswith('public."' + GENI_TABLE_PREFIX):
- report.trace("dropping table " + table)
- cnx.query("DROP TABLE " + table)
+ def drop(self):
+ try:
+ self.cnx.query('DROP TABLE IF EXISTS ' + self.tablename)
+ except ProgrammingError:
+ try:
+ self.cnx.query('DROP TABLE ' + self.tablename)
+ except ProgrammingError:
+ pass
+
+ @staticmethod
+ def geni_records_purge(cninfo):
+
+ cnx = DB(cninfo['dbname'], cninfo['address'],
+ port=cninfo['port'], user=cninfo['user'], passwd=cninfo['password'])
+ tableList = cnx.get_tables()
+ for table in tableList:
+ if table.startswith(GeniTable.GENI_TABLE_PREFIX) or \
+ table.startswith('public.' + GeniTable.GENI_TABLE_PREFIX) or \
+ table.startswith('public."' + GeniTable.GENI_TABLE_PREFIX):
+ report.trace("dropping table " + table)
+ cnx.query("DROP TABLE " + table)