text: 
  import os
  
  import snowflake.connector
  from snowflake.connector import DictCursor
  
  
  class SFSelfClosingNamespaceConnection:
      """
      A class to connect to a snowflake namespace. This class wraps
      the execute command.
  
      Implemented to be used with the with keyword.
  
      Methods
      -------
      execute(command)
          Executes a command on Snowflake.
  
          Wrapper around cursor.execute.
  
      execute_many(command, seq_of_parameters)
          Executes a command on Snowflake many times, once with each set of parameters
          in the sequence.
  
          Wrapper around cursor.execute_many.
  
      upload_file(absolute_file_path, table)
          Uploads all files matching the absolute_file_path pattern to table.
      """
      def __init__(self, warehouse, database, schema):
          self._ctx = None
          self._cs = None
          self._warehouse = warehouse
          self._database = database
          self._schema = schema
  
      def __enter__(self):
          if not self._warehouse:
              raise ValueError("Warehouse is either None or empty please specify name.")
          if not self._database:
              raise ValueError("Database is either None or empty please specify name.")
          if not self._schema:
              raise ValueError("Schema is either None or empty please specify name.")
  
          self._ctx = snowflake.connector.connect(
              user=os.getenv('SNOWFLAKE_USER'),
              password=os.getenv('SNOWFLAKE_PWD'),
              account=os.getenv('SNOWFLAKE_ACCOUNT'),
              role=os.getenv('SNOWFLAKE_ROLE'),
              warehouse=self._warehouse,
              database=self._database,
          )
          self._cs = self._ctx.cursor()
          self._d_cs = self._ctx.cursor(DictCursor)
          self._cs.execute(f"CREATE SCHEMA IF NOT EXISTS {self._schema}")
          self._cs.execute(f"USE SCHEMA {self._schema}")
          return self
  
      def __exit__(self, exception_type, exception_value, traceback):
          self._cs.close()
          self._d_cs.close()
          self._ctx.close()
  
      def execute(self, command):
          """
  
          :param command:
          :return:
          """
          self._cs.execute(command)
  
      def execute_many(self, command, seq_of_parameters):
          self._cs.executemany(command, seq_of_parameters)
  
      def upload_file(self, absolute_file_path, table):
          self._cs.execute(f"PUT file://{absolute_file_path} @%{table}")
          self._cs.execute(f"COPY INTO {table} "
                           "FILE_FORMAT = ESCAPED_DQ")
  
      def dict_get_all(self):
          return self._d_cs.execute('select events from cart_sessions').fetchall()
  