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GitHubWrapper/tools/unschema/parser.py
2022-06-26 07:05:46 +00:00

155 lines
4.7 KiB
Python

from __future__ import annotations
from typing import Iterable, Tuple
types = {
"string": "str",
"integer": "int",
"number": "float",
"boolean": "bool",
"object": "dict",
"array": "list",
"null": "None",
}
untypes = {v: k for k, v in types.items()}
def unspace(s: str) -> str:
return s.replace(" ", "")
def mklist(s: Iterable) -> str:
return f"[{', '.join(s)}]"
def generate(
_schema: dict,
/,
*,
no_examples: bool = False,
no_formats: bool = False,
title: str = "GeneratedObject",
) -> str:
def inner_generate(
schema: dict,
/,
*,
_no_examples: bool = no_examples,
_no_formats: bool = no_formats,
_title: str = title,
) -> Tuple[str, str]: # sourcery skip: low-code-quality
# GeneratedObject = Union[..., ..., ...]
if objects := schema.get("oneOf"):
text = []
union_items = []
for item_schema in objects:
generated_text, union_item = inner_generate(item_schema)
text.append(generated_text)
union_items.append(union_item)
text.append(f"{_title} = Union{mklist(union_items)}")
return "\n\n".join(_title), _title
del objects
# class GeneratedObject(TypedDict):
if (object_type := schema["type"]) == untypes["dict"]:
_title = unspace(schema["title"])
dependencies = []
current = [f'class {_title}(TypedDict):\n """{schema["description"]}"""']
for key, value in schema["properties"].items():
com = ""
if union_list := value.get("anyOf"):
union_list.remove({"type": "null"})
if len(union_list) == 1:
text, target = inner_generate(
union_list[0],
_title=_title,
_no_examples=_no_examples,
_no_formats=_no_formats,
)
dependencies.append(text)
param_type = f"Optional[{target}]"
else:
union_items = []
for item_schema in union_list:
generated_text, union_item = generate(item_schema, title=_title)
dependencies.append(generated_text)
union_items.append(union_item)
dependencies.append(f"{_title} = Union{mklist(union_items)}")
param_type = f"Optional[{_title}]"
elif isinstance(value_type := value["type"], str):
param_type = types[value_type]
elif isinstance(value_type, list):
combiner = "Union"
contents = []
for type in value_type:
if type == untypes["None"]:
combiner = "Optional"
else:
contents.append(types[type])
param_type = f"{combiner}{mklist(contents)}"
elif isinstance(value_type, dict):
text, param_type = inner_generate(value)
dependencies.append(text)
else:
param_type = f"Unknown[{value_type}]"
com = "# "
if key not in schema["required"]:
param_type = f"NotRequired[{param_type}]"
eg = (
""
if no_examples
else f" # example: {mklist(str(eg) for eg in egs)[1:-1]}\n"
if (egs := value.get("examples"))
else ""
)
fmt = (
""
if no_formats
else f" # format: {fmt}\n"
if (fmt := value.get("format"))
else ""
)
sep = "\n" if eg or fmt else ""
current.append(f"{sep}{eg}{fmt} {com}{key}: {param_type}")
dependencies.append("\n".join(current))
result = "\n\n".join(dependencies[:-1]) + "\n\n\n" + dependencies[-1]
return result, _title
# GeneratedObject = List[...]
elif isinstance(object_type, list):
generated, target = inner_generate(
schema["items"], _title=_title, _no_examples=_no_examples, _no_formats=_no_formats
)
return f"{generated}\n\n{_title} = List[{target}]", _title
else:
print("Unknown/Unimplemented Object Type:", object_type)
return "", ""
return inner_generate(_schema)[0]