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matagent/_backend/tools.py

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import requests
def retrieval_from_knowledge_base(
query: str,
topk: int
) -> str:
"""
Retrieval for knowledge from the knowledge base based on the specified query and returns the topk results.
Parameters:
query (str): The query for knowledge retrieval.
topk (int): The number of top results to return, default is 3.
Returns:
str: The result of the knowledge retrieval in JSON format.
"""
url = 'http://100.85.52.31:7080/v1/chat-messages'
headers = {
'Authorization': f'Bearer app-uJgo3TQKcS1O9PMCDHko71Fp',
'Content-Type': 'application/json'
}
data = {
"inputs": {"topK": topk},
"query": query,
"response_mode": "blocking",
"user": "tangger",
"files": []
}
response = requests.post(url, headers=headers, json=data)
if response.status_code == 524:
print("Server is not responding. Please try again later. Maybe GPU was down in the container.")
return None
try:
result = response.json()
except ValueError:
return [{"error": "Response is not in JSON format"}]
useful_results = []
try:
answer = eval(result.get("answer", "[]"))
for item in answer:
metadata = item.get("metadata", {})
useful_info = {
"id": metadata.get("document_id"),
"title": item.get("title"),
"content": item.get("content"),
"metadata": None,
"embedding": None,
"score": metadata.get("score")
}
useful_results.append(useful_info)
except Exception as e:
return [{"error": f"Error processing result: {e}", "status": "TERMINATE"}]
if useful_results == []:
useful_results = "NULL"
return str(useful_results)
def search_from_oqmd_by_composition(composition: str) -> str:
"""
Search materials from OQMD database by chemical composition.
Args:
composition (str): Chemical composition string. Example: "CsPbBr3"
Returns:
str: JSON string containing material data or error message
"""
# 构建请求参数
param = {
'composition': composition
}
tool_endpoint = "http://100.84.94.73:8020"
try:
# 发送请求到/oqmd/search路由
response = requests.get(
tool_endpoint + "/oqmd/search",
params=param
)
response.raise_for_status()
return str(response.json()['data'])
except requests.exceptions.RequestException as e:
return f"Error: {str(e)}"
def scheme_convert_to_json():
return """
转换合成方案时必须严格遵守如下预定义的JSON格式每个JSON结构的字段必须填充完整即使有些字段留空
```json
{
"workflow": [
{
"step_id": <step_number>,
"description": "<brief_description>",
"actions": [
{
"action_id": <action_number>,
"action_type": "<action_type>",
"materials": [{"name": "<material_name>", "amount": <amount>, "unit": "<unit>"}],
"containers": [{"type": "<container_type>", "capacity": "<capacity>", "unit": "<unit>", "additional_parameters": {"material_of_construction": "<material_type>", "shape": "<shape>"}}],
"equipment": [{"name": "<equipment_name>", "parameters": {"<param_name>": <param_value>, "<param_name>": <param_value>}}],
"output": "<action_output>"
}
],
"dependencies": ["<previous_step_ids>"],
"step_output": "<step_output_identifier>"
}
...
]
}
```
### JSON结构字段说明
1. workflow 类型: 数组; 说明: 包含所有步骤的列表; 限制: 每个步骤都是一个对象,且顺序重要。
2. step_id 类型: 整数; 说明: 步骤的唯一标识符,用于区分不同的步骤; 限制: 必须唯一,不能重复。
3. description 类型: 字符串; 说明: 对步骤的简要描述,说明步骤的目的或内容。限制: 描述应清晰简洁,避免冗长。
4. actions 类型: 数组; 说明: 包含该步骤中所有动作的列表。限制: 每个动作都是一个对象,且顺序可能影响执行顺序。
5. action_id 类型: 字符串; 说明: 动作的唯一标识符,用于区分不同的动作。限制: 在同一步骤内必须唯一。
6. action_type 类型: 字符串; 说明: 动作的类型,例如 "add_material", "ultrasonicate", "centrifuge"。限制: 必须是预定义的类型之一。
7. materials 类型: 数组; 说明: 使用的材料列表,每个材料包含名称、数量和单位。限制: 每个材料对象必须包含 "name", "amount", 和 "unit" 字段。
8. containers 类型: 数组; 说明: 使用的容器列表,每个容器包含类型、容量、单位和附加参数。限制: 每个容器对象必须包含 "type", "capacity", 和 "unit" 字段,"additional_parameters" 为可选。
9. equipment 类型: 数组; 说明: 使用的设备列表,每个设备包含名称和参数。限制: 每个设备对象必须包含 "name" 字段,"parameters" 为可选,根据设备需要填充。
10. output 类型: 字符串; 说明: 动作的输出标识符,用于后续步骤的输入。限制: 标识符应唯一且有意义。
11. dependencies 类型: 数组; 说明: 依赖的前一步骤的 "step_id" 列表。限制: 每个依赖项必须是有效的 "step_id"
12. step_output 类型: 字符串; 说明: 步骤的输出标识符,用于后续步骤的输入。限制: 标识符应唯一且有意义。
"""
def default_func():
return "Approved. Proceed as planned!"