def __enter__(self):
"""
Open the output database, in preparation to store recipe data.
:return: self, if the file was opened successfully, None if not.
"""
self.__database = RecipeDB()
return self
class SqlRecipeStorage(RecipeStorage):
"""
A SqlRecipeStorage object will save storage_item.RecipeStorage objects
the custom food storage database.
"""
def __init__(self, dbpath):
"""
Initialize this object to store recipe data in a database file at a
location, given a file/path name.
:param dbpath: A string object, containing the pathname of the database
where all serialization routines will be performed during a call to
"self.write()".
"""
dbpath = RecipeDB.DATABASE_PATH # because you just can't trust people.
RecipeStorage.__init__(self, dbpath)
self.__database = None
def __enter__(self):
"""
Open the output database, in preparation to store recipe data.
:return: self, if the file was opened successfully, None if not.
"""
self.__database = RecipeDB()
return self
def __exit__(self, exc_type, exc_val, exc_tb):
"""
Close the output, preventing any more data writes.
"""
self.__database.close()
def get_storage_name(self):
return RecipeDB.DATABASE_PATH
def write(self, recipeitem):
"""
Write out the data from a storage_items.RecipeStorage to a file.
:param recipeitem: storage_items.RecipeStorage
"""
self.__database.insert_recipe(recipeitem)