Space and special characters in keys

In our project we process a large number of JSON files from external source. We want to use pydantic for data models and also to check the structure of incoming files. The JSON files has spaces and special characters in the keys.

Example:

{
    "Serial Number": "A12345678",
    "Timestamp": "2020-05-26T12:15:25.792741Z",
    "Data": {
        "Length (m)": 12.34,
        "Symmetric deviation (%)": 12.216564148290807,
        "Total running time (s)": 974,
        "Mass (kg)": 42.23,
        "Initial parameters": {
            "V1": 123,
            "V2": 456
        }
    }
}

The keys with space and brackets works perfect. They are generated as Length__m_: float = Field(..., alias='Length (m)') for example. The generator don’t likes the “Data.Initial parameters” key in the example above. It is the name of the sub structure and would result in a class name with space The following error is raised: black.InvalidInput: Cannot parse: 6:14: class Initial parameters(BaseModel):

It would be cool, if the generator would support such files. Is this possible to add this feature?

[fzirker]

I’ve tested it now, works perfectly now. Thank your very much.

[koxudaxi]

@fzirker Thank you for writing detail about the problem.

I have understood. I will re-use converting logic of field name for generating model name. I’m sorry, I have some tasks. I want to implement this issue in this week or next week.