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fix error with literal_eval (#16297)

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Co-authored-by: Novice <novice12185727@gmail.com>
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Ron 2025-03-21 09:30:24 +08:00 committed by GitHub
parent 72191f5b13
commit bf682302ee
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1 changed files with 15 additions and 7 deletions
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22
api/core/workflow/nodes/agent/agent_node.py
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@ -1,4 +1,4 @@
from ast import literal_eval
import json
from collections.abc import Generator, Mapping, Sequence
from typing import Any, cast
@ -143,15 +143,23 @@ class AgentNode(ToolNode):
raise ValueError(f"Variable {agent_input.value} does not exist")
parameter_value = variable.value
elif agent_input.type in {"mixed", "constant"}:
segment_group = variable_pool.convert_template(str(agent_input.value))
# variable_pool.convert_template expects a string template,
# but if passing a dict, convert to JSON string first before rendering
try:
parameter_value = json.dumps(agent_input.value, ensure_ascii=False)
except TypeError:
parameter_value = str(agent_input.value)
segment_group = variable_pool.convert_template(parameter_value)
parameter_value = segment_group.log if for_log else segment_group.text
# variable_pool.convert_template returns a string,
# so we need to convert it back to a dictionary
try:
parameter_value = json.loads(parameter_value)
except json.JSONDecodeError:
parameter_value = parameter_value
else:
raise ValueError(f"Unknown agent input type '{agent_input.type}'")
value = parameter_value.strip()
if (parameter_value.startswith("{") and parameter_value.endswith("}")) or (
parameter_value.startswith("[") and parameter_value.endswith("]")
):
value = literal_eval(parameter_value) # transform string to python object
value = parameter_value
if parameter.type == "array[tools]":
value = cast(list[dict[str, Any]], value)
value = [tool for tool in value if tool.get("enabled", False)]