fixed bug in db_handlers: cdplib.configuration does not exist!

cdplib/db_handlers/MongodbHandler.py

@@ -22,7 +22,6 @@ import numpy as np
 
 sys.path.append(os.getcwd())
 from cdplib.log import Log
-from cdplib.configuration import default as cfg
 from cdplib.Singleton_Threadsafe import SingletonThreadsafe
 
 
@@ -39,7 +38,7 @@ class MongodbHandlerPool(metaclass=SingletonThreadsafe):
             self._mongodb_handlers = [MongodbHandler() for _ in range(self._size)]
             log.warning("Ran out of Mongodb handlers, 10 more have been added. Are you sure you've returned yours?")
         return self._mongodb_handlers.pop()
-        
+
     def release(self, mongodb_handler):
         if len(self._mongodb_handlers) < self._size:
             self._mongodb_handlers.append(mongodb_handler)
@@ -59,6 +58,8 @@ class MongodbHandler:
         '''
         if database_url is None:
 
+            from libraries.configuration import default as cfg
+
             database_url = "mongodb://{0}:{1}@{2}:{3}"\
                            .format(cfg["MONGO"]["MONGO_USER"],
                                    cfg["MONGO"]["MONGO_PASSWORD"],

cdplib/db_handlers/SQLHandler.py

@@ -30,7 +30,7 @@ class SQLHandlerPool(metaclass=SingletonThreadsafe):
             self._sql_handlers = [SQLHandler() for _ in range(self._size)]
             log.warning("Ran out of SQL handlers, 10 more have been added. Are you sure you've returned yours?")
         return self._sql_handlers.pop()
-        
+
     def release(self, mongodb_handler):
         if len(self._sql_handlers) < self._size:
             self._sql_handlers.append(mongodb_handler)
@@ -57,13 +57,14 @@ class SQLHandler:
         '''
 
         from cdplib.log import Log
-        from cdplib.configuration import default as cfg
         from sqlalchemy_utils import database_exists, create_database
 
         self._log = Log(name='SQLHandler')
 
         if db_uri is None:
 
+            from libraries.configuration import default as cfg
+
             db_uri = "mysql+pymysql://{0}:{1}@{2}:{3}/{4}?charset=utf8&local_infile=1"\
                      .format(cfg["SQL"]["SQL_USER"],
                              cfg["SQL"]["SQL_PASSWORD"],
@@ -143,7 +144,7 @@ class SQLHandler:
         self.execute("DROP DATABASE IF EXISTS {}".format(database))
         self._engine.execute("CREATE DATABASE {}".format(database))
         self._engine.execute("USE {}".format(database))
-        
+
     @property
     def _db_metadata(self) -> dict:
         '''
@@ -203,7 +204,7 @@ class SQLHandler:
         '''
         connection = self._engine.connect()
         transaction = connection.begin()
-    
+
         errors = []
 
         # in the case of multi-query execute each query