mirror of
https://gitee.com/dify_ai/dify.git
synced 2024-12-11 02:41:27 +08:00
96 lines
3.5 KiB
Python
96 lines
3.5 KiB
Python
from collections.abc import Mapping
|
|
from typing import Any
|
|
|
|
from configs import dify_config
|
|
from core.file import File
|
|
from core.variables import (
|
|
ArrayAnySegment,
|
|
ArrayFileSegment,
|
|
ArrayNumberSegment,
|
|
ArrayNumberVariable,
|
|
ArrayObjectSegment,
|
|
ArrayObjectVariable,
|
|
ArrayStringSegment,
|
|
ArrayStringVariable,
|
|
FileSegment,
|
|
FloatSegment,
|
|
FloatVariable,
|
|
IntegerSegment,
|
|
IntegerVariable,
|
|
NoneSegment,
|
|
ObjectSegment,
|
|
ObjectVariable,
|
|
SecretVariable,
|
|
Segment,
|
|
SegmentType,
|
|
StringSegment,
|
|
StringVariable,
|
|
Variable,
|
|
)
|
|
from core.variables.exc import VariableError
|
|
|
|
|
|
def build_variable_from_mapping(mapping: Mapping[str, Any], /) -> Variable:
|
|
if (value_type := mapping.get("value_type")) is None:
|
|
raise VariableError("missing value type")
|
|
if not mapping.get("name"):
|
|
raise VariableError("missing name")
|
|
if (value := mapping.get("value")) is None:
|
|
raise VariableError("missing value")
|
|
match value_type:
|
|
case SegmentType.STRING:
|
|
result = StringVariable.model_validate(mapping)
|
|
case SegmentType.SECRET:
|
|
result = SecretVariable.model_validate(mapping)
|
|
case SegmentType.NUMBER if isinstance(value, int):
|
|
result = IntegerVariable.model_validate(mapping)
|
|
case SegmentType.NUMBER if isinstance(value, float):
|
|
result = FloatVariable.model_validate(mapping)
|
|
case SegmentType.NUMBER if not isinstance(value, float | int):
|
|
raise VariableError(f"invalid number value {value}")
|
|
case SegmentType.OBJECT if isinstance(value, dict):
|
|
result = ObjectVariable.model_validate(mapping)
|
|
case SegmentType.ARRAY_STRING if isinstance(value, list):
|
|
result = ArrayStringVariable.model_validate(mapping)
|
|
case SegmentType.ARRAY_NUMBER if isinstance(value, list):
|
|
result = ArrayNumberVariable.model_validate(mapping)
|
|
case SegmentType.ARRAY_OBJECT if isinstance(value, list):
|
|
result = ArrayObjectVariable.model_validate(mapping)
|
|
case _:
|
|
raise VariableError(f"not supported value type {value_type}")
|
|
if result.size > dify_config.MAX_VARIABLE_SIZE:
|
|
raise VariableError(f"variable size {result.size} exceeds limit {dify_config.MAX_VARIABLE_SIZE}")
|
|
return result
|
|
|
|
|
|
def build_segment(value: Any, /) -> Segment:
|
|
if value is None:
|
|
return NoneSegment()
|
|
if isinstance(value, str):
|
|
return StringSegment(value=value)
|
|
if isinstance(value, int):
|
|
return IntegerSegment(value=value)
|
|
if isinstance(value, float):
|
|
return FloatSegment(value=value)
|
|
if isinstance(value, dict):
|
|
return ObjectSegment(value=value)
|
|
if isinstance(value, File):
|
|
return FileSegment(value=value)
|
|
if isinstance(value, list):
|
|
items = [build_segment(item) for item in value]
|
|
types = {item.value_type for item in items}
|
|
if len(types) != 1:
|
|
return ArrayAnySegment(value=value)
|
|
match types.pop():
|
|
case SegmentType.STRING:
|
|
return ArrayStringSegment(value=value)
|
|
case SegmentType.NUMBER:
|
|
return ArrayNumberSegment(value=value)
|
|
case SegmentType.OBJECT:
|
|
return ArrayObjectSegment(value=value)
|
|
case SegmentType.FILE:
|
|
return ArrayFileSegment(value=value)
|
|
case _:
|
|
raise ValueError(f"not supported value {value}")
|
|
raise ValueError(f"not supported value {value}")
|