本页显示提示注册表操作的示例。
register_prompt()
API 参考:mlflow.genai.register_prompt
prompt = mlflow.genai.register_prompt(
name="mycatalog.myschema.summarization",
template="""Summarize the following text in {{num_sentences}} sentences:
Text: {{content}}
Focus on: {{focus_areas}}""",
commit_message="Added focus areas parameter",
tags={
"tested_with": "gpt-4",
"avg_latency_ms": "1200",
"team": "content",
"project": "summarization-v2"
}
)
load_prompt()
API 参考:mlflow.genai.load_prompt
以下代码显示了加载特定提示版本的不同方法。
import mlflow
from databricks.sdk import WorkspaceClient
model = "databricks-claude-sonnet-4-5"
llm = WorkspaceClient().serving_endpoints.get_open_ai_client()
# Load specific version using URI format
mlflow.genai.load_prompt(name_or_uri="prompts:/docs.default.customer_support/1")
# Load specific version using name + version parameter
mlflow.genai.load_prompt(
name_or_uri="docs.default.customer_support",
version=3,
# allow optional parameters to be missing when constructing the prompt
allow_missing=True,
)
# Use the prompt
prompt = mlflow.genai.load_prompt(name_or_uri="prompts:/docs.default.customer_support/1")
formatted_prompt = prompt.format(question="How do I reset my password?")
response = llm.chat.completions.create(
model=model,
messages=[{"role": "user", "content": formatted_prompt}],
)
print(f"\nResponse using version {prompt.version}:")
print(response.choices[0].message.content)
search_prompts()
API 参考:mlflow.genai.search_prompts
Unity Catalog 要求
对于 Unity 目录提示注册表,必须同时指定目录和架构:
# REQUIRED format - list all prompts in a catalog.schema
results = mlflow.genai.search_prompts("catalog = 'mycatalog' AND schema = 'myschema'")
# This is the ONLY supported filter format
results = mlflow.genai.search_prompts("catalog = 'rohit' AND schema = 'default'")
局限性
Unity 目录中不支持以下筛选器:
- 名称模式:
name LIKE '%pattern%' - 标签过滤:
tags.field = 'value' - 确切的名称匹配:
name = 'specific.name' - 超越目录和架构的组合筛选器
若要查找特定提示,请使用返回的列表并以编程方式进行筛选:
# Get all prompts in schema
all_prompts = mlflow.genai.search_prompts("catalog = 'mycatalog' AND schema = 'myschema'")
# Filter programmatically
customer_prompts = [p for p in all_prompts if 'customer' in p.name.lower()]
tagged_prompts = [p for p in all_prompts if p.tags.get('team') == 'support']
set_prompt_alias()
API 参考:mlflow.genai.set_prompt_alias
# Promote version 3 to production
mlflow.genai.set_prompt_alias(
name="mycatalog.myschema.chat_assistant",
alias="production",
version=3
)
# Set up staging for testing
mlflow.genai.set_prompt_alias(
name="mycatalog.myschema.chat_assistant",
alias="staging",
version=4
)
delete_prompt() 和delete_prompt_version()
delete_prompt_version()
API 参考:MlflowClient.delete_prompt_version
删除提示的特定版本:
from mlflow import MlflowClient
client = MlflowClient()
# Delete specific versions first (required for Unity Catalog)
client.delete_prompt_version("mycatalog.myschema.chat_assistant", "1")
client.delete_prompt_version("mycatalog.myschema.chat_assistant", "2")
client.delete_prompt_version("mycatalog.myschema.chat_assistant", "3")
# Then delete the entire prompt
client.delete_prompt("mycatalog.myschema.chat_assistant")
# For convenience with Unity Catalog, you can also search and delete all versions:
search_response = client.search_prompt_versions("mycatalog.myschema.chat_assistant")
for version in search_response.prompt_versions:
client.delete_prompt_version("mycatalog.myschema.chat_assistant", str(version.version))
client.delete_prompt("mycatalog.myschema.chat_assistant")
delete_prompt()
删除提示版本后,可以删除提示。
重要
- 对于 Unity 目录注册表,如果任何版本仍然存在,
delete_prompt()则失败。 必须先使用delete_prompt_version()删除所有版本。 - 对于其他注册表类型,
delete_prompt()通常无需版本检查。
API 参考:MlflowClient.delete_prompt
from mlflow import MlflowClient
client = MlflowClient()
# Delete specific versions first (required for Unity Catalog)
client.delete_prompt_version("mycatalog.myschema.chat_assistant", "1")
client.delete_prompt_version("mycatalog.myschema.chat_assistant", "2")
client.delete_prompt_version("mycatalog.myschema.chat_assistant", "3")
# Then delete the entire prompt
client.delete_prompt("mycatalog.myschema.chat_assistant")
# For convenience with Unity Catalog, you can also search and delete all versions:
search_response = client.search_prompt_versions("mycatalog.myschema.chat_assistant")
for version in search_response.prompt_versions:
client.delete_prompt_version("mycatalog.myschema.chat_assistant", str(version.version))
client.delete_prompt("mycatalog.myschema.chat_assistant")