Simplest SQL mapper in Python, probably

Related tags

Database Driverssql_mapper
Overview

SQL MAPPER

Basically what it does is: it executes some SQL thru a database connector you fed it, maps it to some model and gives to u. Also it can create tables

How to install and import it

pip install megahomyaks_sql_mapper <- WARNING: PACKAGE NAME IS DIFFERENT FROM THE PROJECT NAME

import sql_mapper

Some abstract info about a model

from sql_mapper import ModelBase

class MyFirstModel(ModelBase):
    _tablename = "obvious"
    # You don't need to specify a _tablename if you will not create a table
    # for this model using an SQL executor OR insert it using parameter
    # marks from this mapper
    # (sql_executor.execute("INSERT INTO ?", [MyFirstModel("a", "b")]))

    first_field: str = "TEXT"
    # Value of each field is its datatype that will be used when SQL table
    # will be created (you don't need to fill these (you can preserve only
    # the typehint or place a stub as a value) if you will not create a
    # table from this model using an SQL executor)

    second_field = ""
    # Typehints are NOT necessary, they are used only for IDE type checking
    # (which is quite dumb in terms of Python, but it is easy to do and
    # can potentially help, so why not)

    _additional_table_lines = ""
    # Specify this if you need to append more lines to a table, such as
    # "PRIMARY KEY (some_field)"

Some concrete info about a model + overall usage example

See this file

About StringDump

There is a class called StringDump in string_dump.py, which is a string that consumes other strings, and consists of formattable and unformattable parts. One example can be found here, on line 27 (or not, I'm not a megamind who can remember this reference and fix it when modifying the linked file): sql_mapper_test.py

Don't forget about raw, kids

Now imma head out, gonna use some Tortoise ORM

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t.me/megahomyak, vk.com/megahomyak
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