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Fix promptlab pyfunc models not working for chat routes #10346

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merged 5 commits into from
Nov 15, 2023

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@daniellok-db daniellok-db commented Nov 10, 2023

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Install mlflow from this PR

pip install git+https://github.com/mlflow/mlflow.git@refs/pull/10346/merge

Checkout with GitHub CLI

gh pr checkout 10346

Related Issues/PRs

#xxx

What changes are proposed in this pull request?

Currently, the promptlab pyfunc model is hardcoded to query the completions route. Same thing for response parsing.

In the JS, we have a switch for both the query and the response parsing. This PR just copies the same logic to the pyfunc model.

How is this PR tested?

  • Existing unit/integration tests
  • New unit/integration tests
  • Manual tests

Does this PR require documentation update?

  • No. You can skip the rest of this section.
  • Yes. I've updated:
    • Examples
    • API references
    • Instructions

Release Notes

Is this a user-facing change?

  • No. You can skip the rest of this section.
  • Yes. Give a description of this change to be included in the release notes for MLflow users.

What component(s), interfaces, languages, and integrations does this PR affect?

Components

  • area/artifacts: Artifact stores and artifact logging
  • area/build: Build and test infrastructure for MLflow
  • area/docs: MLflow documentation pages
  • area/examples: Example code
  • area/gateway: AI Gateway service, Gateway client APIs, third-party Gateway integrations
  • area/model-registry: Model Registry service, APIs, and the fluent client calls for Model Registry
  • area/models: MLmodel format, model serialization/deserialization, flavors
  • area/recipes: Recipes, Recipe APIs, Recipe configs, Recipe Templates
  • area/projects: MLproject format, project running backends
  • area/scoring: MLflow Model server, model deployment tools, Spark UDFs
  • area/server-infra: MLflow Tracking server backend
  • area/tracking: Tracking Service, tracking client APIs, autologging

Interface

  • area/uiux: Front-end, user experience, plotting, JavaScript, JavaScript dev server
  • area/docker: Docker use across MLflow's components, such as MLflow Projects and MLflow Models
  • area/sqlalchemy: Use of SQLAlchemy in the Tracking Service or Model Registry
  • area/windows: Windows support

Language

  • language/r: R APIs and clients
  • language/java: Java APIs and clients
  • language/new: Proposals for new client languages

Integrations

  • integrations/azure: Azure and Azure ML integrations
  • integrations/sagemaker: SageMaker integrations
  • integrations/databricks: Databricks integrations

How should the PR be classified in the release notes? Choose one:

  • rn/none - No description will be included. The PR will be mentioned only by the PR number in the "Small Bugfixes and Documentation Updates" section
  • rn/breaking-change - The PR will be mentioned in the "Breaking Changes" section
  • rn/feature - A new user-facing feature worth mentioning in the release notes
  • rn/bug-fix - A user-facing bug fix worth mentioning in the release notes
  • rn/documentation - A user-facing documentation change worth mentioning in the release notes

Signed-off-by: Daniel Lok <daniel.lok@databricks.com>
Signed-off-by: Daniel Lok <daniel.lok@databricks.com>
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github-actions bot commented Nov 10, 2023

Documentation preview for 50a721b will be available here when this CircleCI job completes successfully.

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@github-actions github-actions bot added area/models MLmodel format, model serialization/deserialization, flavors rn/bug-fix Mention under Bug Fixes in Changelogs. labels Nov 10, 2023
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@prithvikannan prithvikannan left a comment

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LGTM!

Comment on lines 9 to 14
def construct_model(route):
prompt_parameters = [Param(key="thing", value="books")]
model_parameters = [Param(key="temperature", value=0.5), Param(key="max_tokens", value=10)]
prompt_template = "Write me a story about {{ thing }}."

return _PromptlabModel(prompt_template, prompt_parameters, model_parameters, route)
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/ai Remove variables. Immediately return _PromptlabModel.

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@harupy

You can simplify the function like this:

def construct_model(route):
    return _PromptlabModel(
        "Write me a story about {{ thing }}.", 
        [Param(key="thing", value="books")], 
        [Param(key="temperature", value=0.5), Param(key="max_tokens", value=10)], 
        route)

This code does exactly the same thing as before but without creating intermediary variables.

Click here to see the usage data
{
  "prompt_tokens": 123,
  "completion_tokens": 92,
  "total_tokens": 215,
  "estimated_cost_in_usd": 0.00921
}

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Not a blocker, but to remove useless variable assignment.

@daniellok-db daniellok-db merged commit 7d96e75 into mlflow:master Nov 15, 2023
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KonakanchiSwathi pushed a commit to KonakanchiSwathi/mlflow that referenced this pull request Nov 29, 2023
Signed-off-by: Daniel Lok <daniel.lok@databricks.com>
Signed-off-by: swathi <konakanchi.swathi@gmail.com>
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