Data Structure

Grapes uses a simple data storing structure, which goes as follows:

file_loc/data_directory -- Base data directory

file_loc/data_directory/tables -- Tables directory

file_loc/data_directory/tables/definition.bin -- Definition file (consistent data)

file_loc/data_directory/tables/{table}.grape -- Table file

Class Methods

Method	What is this?	Arguments	Returns
__init__	Class initializer	str `file_loc` (directory where data is stored, pass __file__), str `data_directory` defaults to: `/data`
__generate_files	Generates files based on the `dir_structure` passed	dict `dir_structure`
__update_definition	Reads the contents of the `definition.bin` file and updates internal `self.__tables`
__upgrade_definition	Writes the internal `self.__tables` into the `definition.bin` file
force_reload	Calls `__generate_files` and `__update_definition`
create_table	Creates a new table in the database	grapes.Table `table`
delete_table	Deletes a table in the database (will error if it does not exist)	str `table_name`
has_table	Returns True or False depending on if the table name provided exists in the database	str `table_name`	bool `exists?`
insert_into	Insert values into a table	str `table_name`, tuple[any,...] `values`
get_all	Gets all data from a table	str `table_name`	list[Union[tuple[any,...],None]] `values`
get_where	Gets the first occurrence of something in a table	str `table_name`, str `column_name`, any is_equal_to	Union[tuple[any,...],None] `occurrence`
get_all_where	Gets all occurrences of something in a table	str `table_name`, str `column_name`, any is_equal_to	list[Union[tuple[any,...],None]] `occurrences`

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