mirror of
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46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
from collections import defaultdict
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from typing import Any, Dict, List, Union
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from pydantic import BaseModel, Field, ValidationError
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from pydantic.types import StrictBool, StrictInt, StrictStr
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class MatchNodeSchema(BaseModel):
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prefix_len: StrictInt = Field(..., title="Prefix length")
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suffix_len: StrictInt = Field(..., title="Suffix length")
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prefix_tree: StrictInt = Field(..., title="Prefix tree")
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suffix_tree: StrictInt = Field(..., title="Suffix tree")
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class Config:
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extra = "forbid"
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class SubstNodeSchema(BaseModel):
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orig: Union[int, StrictStr] = Field(..., title="Original substring")
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subst: Union[int, StrictStr] = Field(..., title="Replacement substring")
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class Config:
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extra = "forbid"
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class EditTreeSchema(BaseModel):
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__root__: Union[MatchNodeSchema, SubstNodeSchema]
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def validate_edit_tree(obj: Dict[str, Any]) -> List[str]:
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"""Validate edit tree.
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obj (Dict[str, Any]): JSON-serializable data to validate.
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RETURNS (List[str]): A list of error messages, if available.
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"""
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try:
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EditTreeSchema.parse_obj(obj)
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return []
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except ValidationError as e:
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errors = e.errors()
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data = defaultdict(list)
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for error in errors:
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err_loc = " -> ".join([str(p) for p in error.get("loc", [])])
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data[err_loc].append(error.get("msg"))
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return [f"[{loc}] {', '.join(msg)}" for loc, msg in data.items()] # type: ignore[arg-type]
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