import psycopg2
def get_all_databasename():
databasenames = []
conn = get_connection("postgres")
rows = excute_sql(conn,"select pg_database.datname from pg_database")
for row in rows:
print row[0]
close_conn(conn)
def get_data_basedirectory(conn):
rows = excute_sql(conn, "show data_directory;")
for row in rows:
print row[0]
# close_conn(conn)
def get_all_tablespace(conn):
rows = excute_sql(conn, "select spcname, pg_tablespace_location(oid) from pg_tablespace;")
for row in rows:
for i in range(len(row)):
print row[i],
print
def get_connection(databsename):
conn = psycopg2.connect(database=databsename, user="postgres", password="postgres", host="",
port="5432")
return conn
def excute_sql(conn,sql):
cur = conn.cursor()
cur.execute(sql)
rows = cur.fetchall()
return rows
def close_conn(conn):
if conn != None:
conn.close()
if __name__ == '__main__':
conn = get_connection('postgres')
get_data_basedirectory(conn)
get_all_tablespace(conn)
close_conn(conn)
