# Mettle #
Bitsmiths-Mettle is the supporting code generators and python libraries for the Mettle project.
See our <a href="https://bitbucket.org/bitsmiths_za/mettle.git">repo</a> and main *README* for more details!
## Requirements ##
Python 3.10+
## Installation ##
```console
$ pip install bitsmiths-mettle
---> 100%
```
## Change History ##
### 2.2.9 ###
| Type | Description |
| ------ | ----------- |
| Fix | Fixed an exception priority issue with the `mettle-psycopg` driver where reset connections were being caught by the lock exception. |
### 2.2.8 ###
| Type | Description |
| ------ | ----------- |
| New | The `mettle-sql-build` entry point in the python package now accepts wild card inputs. |
### 2.2.7 ###
| Type | Description |
| ------ | ----------- |
| Fix | Python database table generetor respects not null columns that are integers and floats properly for pydantic and dataclass generation. |
### 2.2.6 ###
| Type | Description |
| ------ | ----------- |
| Fix | The python encoded.databases[postgresql] driver was not handling null floats. Bug squashed. |
### 2.2.5 ###
| Type | Description |
| ------ | ----------- |
| Fix | Changed PostgreSQL package dependency from `postgres` to `postgresql`. |
| Fix | The python braze serializers now use `isinstance` instead of `type` when checking value types. |
### 2.2.4 ###
| Type | Description |
| ------ | ----------- |
| Fix | Improved package dependencies, thank-you Bradley Kirton. |
| New | Added a new optional `global-settings.file-header` setting to projects. Allows customization or removal or the generated header in all generated files. |
### 2.2.3 ###
| Type | Description |
| ------ | ----------- |
| New | Implemented auto (reset) to database connections on failure for all python database drivers. (This excludes `asynpg` because it uses a pool that does it for us). |
| Bug | Fixed a python async code generation issue, where some `methods` and `with` statements were not using await or async. |
### 2.2.2 ###
| Type | Description |
| ------ | ----------- |
| Fix | Fixed an import issue with the Braze TCP overload in python. |
### 2.2.1 ###
| Type | Description |
| ------ | ----------- |
| Fix | Applied `couplet` identifier improvement to braze couplets on python. |
### 2.2.0 ###
| Type | Description |
| ------ | ----------- |
| New | Added a `database_name()` method to all db connections. |
| New | Select one statements that fail, will now raise the new `DBNotFound` error code. |
| New | Added `psycopg3` database extension for `python3`. |
| New | Added `psycopg3 async` database extension for `python3`. |
| New | Python generation for `__slots__` added, requires python 3.10 and up. |
| New | Added a `must_exist` optional parameter to the python generated `fetch()` methods which will raise an error if the fetch fails. |
| Breaking | In the python generated `fetch_all()` methods, renamed `clearList` to `clear_list`. |
| Breaking | Improved the genartion of `couplet` identifier names. This may cause some couplets to be generated with differnt names. |
| Bug | Foreign key, and unique key violations now proplerly thrown for all the python db drivers. |
### 2.1.14 ###
| Type | Description |
| ------ | ----------- |
| New | Added a new python generator option `fetch.method`. Options are `c++` which is the legacy option and `python` which adds a fetch iterator method and creates a new object for each fetch instead of reusing the existing `orec`. |
| New | Removed the `__del__` dunder from the python DAO code generation as it is not needed. |
### 2.1.13 ###
| Type | Description |
| ------ | ----------- |
| New | Angular makefile generators can now be dynamically extended with a different CC, and TARGS as well as have optional overwrite commands. |
| Bug | Fixed configuration bug from the 2.1.12 where a null dataclass would cause a generation error. |
### 2.1.12 ###
| Type | Description |
| ------ | ----------- |
| New | Python database and braze models can now be generated with (pydantic, or dataclass, or attrs) as an option. |
| New | Python database and braze models can now toggle (pk, serializer, dav, clear) features an and off. |
### 2.1.11 ###
| Type | Description |
| ---- | ----------- |
| Bug | Fixed a refactor of `errCode` to `err_code` that was not rippled through some of the base library code/ |
### 2.1.10 ###
| Type | Description |
| ---- | ----------- |
| Change | General typing improvements, and minor bug fixes. |
## License ##
This project is licensed under the terms of the MIT license.
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