The pydbm's discuss from hakancelikdev

pydbm's Issues

Add a migration param to config class for automatic database migration.

class PyPIPackageModel(DbmModel):
    username: str

    class Config:
        table_name = "usernames"
        unique_together = ("username",)

class PyPIPackageModel(DbmModel):
    user: str

    class Config:
        table_name = "usernames"
        unique_together = ("user",)
        migration = True

    def set_database_header(self):
        ann = get_obj_annotations(obj=self.model)
        db_headers = bytes(str({key: DATABASE_HEADER_MAPPING[value] for key, value in ann.items()}), "utf-8")

        with self as db:
            database_header: bytes | None
            if (database_header := db.get(DATABASE_HEADER_NAME, None)) is None or (database_header is not None and self.model._config.migration is True):
                db[DATABASE_HEADER_NAME] = db_headers

            else:
                # TODO: migrations
                assert database_header == db_headers, f"Database headers are not equal: '{database_header}' != '{db_headers}'"  # type: ignore[str-bytes-safe]  # noqa: E501

        setattr(self, DATABASE_HEADER_NAME, ann)

Implement DoesNotExist exception under Model

Add some real use case examples

Custom validators does not have to raise value error

Add count method to get model's data count

Fix exception name -> BaseException

Documentations for all features.

Use open's flag to separate readers and writers, handler multiple ops at a same time

GDBM allows an application to have multiple databases open at the same time. When an application opens a GDBM database, it is designated as a reader or a writer. A GDBM database can be opened by at most one writer at a time. However, many readers may open the database simultaneously. Readers and writers can not open the GDBM database at the same time.

Speaking about application we usually mean a separate process. However, it is entirely normal for a multi-thread program to operate as a GDBM reader in one thread and writer in another, provided, of course, that the two threads don’t operate on the same database simultaneously.

https://www.gnu.org.ua/software/gdbm/manual/Intro.html

Support embed model

Suppor embed model
Use warnings when using dict instead of embed model
- Create a model and load it using the dict data when using dict type instead of embed model.
Update documentation for this feature
Add tests

model.objects.delete(all=True, **kwargs)
model.objects.all().delete()
model.objects.filter().delete()

v0.5.0

#17
#40
#42
Change extension and Add EmptyModelError

Field value can be a date in the format YYYY-MM-DD.

datetime

Field value can be a date and time in the format YYYY-MM-DD HH:MM:SS.

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