[python] Parse entrypoint variable name from vercel.json. by dnwpark · Pull Request #15844 · vercel/vercel

dnwpark · 2026-04-06T21:54:45Z

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changeset-bot · 2026-04-06T21:54:53Z

🦋 Changeset detected

Latest commit: 3530de0

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 3 packages

Name	Type
@vercel/fs-detectors	Minor
@vercel/python	Minor
vercel	Patch

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vercel · 2026-04-06T21:55:59Z

Low Risk — Feature addition for parsing entrypoint variable names with comprehensive test coverage.

entrypoint.ts: added parsing of colon-separated variable name from configured entrypoint string
entrypoint.ts: updated error message to show explicit variable name when specified
unit.test.ts: added test suite for vercel.json entrypoint configuration scenarios

^{Assessed at efd1997.}

github-actions · 2026-04-06T21:56:08Z

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github-actions · 2026-04-06T21:58:27Z

🧪 Unit Test Strategy

Comparing: 97afc28 → 3530de0 (view diff)

Strategy: Affected packages only

✅ Only testing packages that have been modified or depend on modified packages.

Affected packages - 4 (10%)

@vercel/fs-detectors
@vercel/python
@vercel/static-build
vercel

Unaffected packages - 36 (90%)

@vercel-internals/get-package-json
@vercel/backends
@vercel/build-utils
@vercel/cervel
@vercel/cli-auth
@vercel/client
@vercel/config
@vercel/detect-agent
@vercel/edge
@vercel/elysia
@vercel/error-utils
@vercel/express
@vercel/fastify
@vercel/firewall
@vercel/frameworks
@vercel/functions
@vercel/gatsby-plugin-vercel-builder
@vercel/go
@vercel/h3
@vercel/hono
@vercel/hydrogen
@vercel/koa
@vercel/nestjs
@vercel/next
@vercel/node
@vercel/oidc
@vercel/oidc-aws-credentials-provider
@vercel/python-analysis
@vercel/redwood
@vercel/related-projects
@vercel/remix-builder
@vercel/routing-utils
@vercel/ruby
@vercel/rust
@vercel/static-config
examples

Results

Unit tests: Only affected packages will run unit tests
E2E tests: Running in parallel via E2E Tests workflow
Type checks: Only affected packages will run type checks

This comment is automatically generated based on the affected testing strategy

msullivan

Hmmm... I think doing all of the work in fs-detectors is probably wrong, and we want to be trying to move this logic all into the python builder

msullivan

Would it be possible to do a follow-up that removes the module name parsing entirely from fs-detectors and moves it all into the python package?

…5844)" This reverts commit 45c8d4f.

This PR was opened by the [Changesets release](https://github.com/changesets/action) GitHub action. When you're ready to do a release, you can merge this and the packages will be published to npm automatically. If you're not ready to do a release yet, that's fine, whenever you add more changesets to main, this PR will be updated. # Releases ## @vercel/build-utils@13.15.0 ### Minor Changes - [services] allow multiple v2beta triggers for a single Lambda when config is coming from services ([#15890](#15890)) ### Patch Changes - Add deserialization utilities ([#15927](#15927)) ## @vercel/fs-detectors@5.16.0 ### Minor Changes - Parse python module:variable entrypoint notation in experimentalServices for all service types. ([#15844](#15844)) ### Patch Changes - Updated dependencies \[[`4e62f6c2204dd148643f86f140f0ae7995778017`](4e62f6c), [`42a70e1e6318615bd420933f9cc978bed3a43936`](42a70e1)]: - @vercel/build-utils@13.15.0 ## @vercel/python@6.31.0 ### Minor Changes - Parse python module:variable entrypoint notation in experimentalServices for all service types. ([#15844](#15844)) ### Patch Changes - [python] set the `UV_PROJECT_ENVIRONMENT` and `UV_NO_DEV` env vars so that custom `installCommand` and `buildCommand` commands can be called without the `--active` and `--no-dev` flags ([#15715](#15715)) ## @vercel/backends@0.0.60 ### Patch Changes - Include the entrypoint path in the build complete log message. ([#15914](#15914)) - Updated dependencies \[[`4e62f6c2204dd148643f86f140f0ae7995778017`](4e62f6c), [`42a70e1e6318615bd420933f9cc978bed3a43936`](42a70e1)]: - @vercel/build-utils@13.15.0 ## @vercel/cervel@0.0.47 ### Patch Changes - Updated dependencies \[[`8b77cdcd71ba645df4eed52cdccde9a2cbb913f8`](8b77cdc)]: - @vercel/backends@0.0.60 ## vercel@51.2.1 ### Patch Changes - Add `ai-gateway api-keys create` command for creating AI Gateway API keys with optional quota limits ([#15744](#15744)) - Improve `vercel blob list-stores` with `--json` and `--no-projects`, exclude non-blob stores when the API returns a `type` field, and show a richer table for non-TTY output while keeping linked-project filtering, `--all`, and interactive store selection on TTY. ([#14653](#14653)) - Add a `project rename` command to rename projects from the CLI. ([#15918](#15918)) - Updated dependencies \[[`8b77cdcd71ba645df4eed52cdccde9a2cbb913f8`](8b77cdc), [`2d7d14db1c6448f716d1ccc30844b43f47e8e6ee`](2d7d14d), [`d731f1b69030ddcaa0b7f4f1854f79ea92671b1e`](d731f1b), [`4e62f6c2204dd148643f86f140f0ae7995778017`](4e62f6c), [`45c8d4f54cc831695375794964a29145860fa45b`](45c8d4f), [`42a70e1e6318615bd420933f9cc978bed3a43936`](42a70e1)]: - @vercel/backends@0.0.60 - @vercel/python@6.31.0 - @vercel/next@4.16.7 - @vercel/build-utils@13.15.0 - @vercel/elysia@0.1.63 - @vercel/express@0.1.73 - @vercel/fastify@0.1.66 - @vercel/go@3.5.0 - @vercel/h3@0.1.72 - @vercel/hono@0.2.66 - @vercel/hydrogen@1.3.6 - @vercel/koa@0.1.46 - @vercel/nestjs@0.2.67 - @vercel/node@5.7.5 - @vercel/redwood@2.4.12 - @vercel/remix-builder@5.7.2 - @vercel/ruby@2.3.2 - @vercel/rust@1.1.0 - @vercel/static-build@2.9.13 ## @vercel/client@17.3.2 ### Patch Changes - Updated dependencies \[[`4e62f6c2204dd148643f86f140f0ae7995778017`](4e62f6c), [`42a70e1e6318615bd420933f9cc978bed3a43936`](42a70e1)]: - @vercel/build-utils@13.15.0 ## @vercel/elysia@0.1.63 ### Patch Changes - Updated dependencies \[]: - @vercel/node@5.7.5 ## @vercel/express@0.1.73 ### Patch Changes - Updated dependencies \[]: - @vercel/cervel@0.0.47 - @vercel/node@5.7.5 ## @vercel/fastify@0.1.66 ### Patch Changes - Updated dependencies \[]: - @vercel/node@5.7.5 ## @vercel/gatsby-plugin-vercel-builder@2.1.13 ### Patch Changes - Updated dependencies \[[`4e62f6c2204dd148643f86f140f0ae7995778017`](4e62f6c), [`42a70e1e6318615bd420933f9cc978bed3a43936`](42a70e1)]: - @vercel/build-utils@13.15.0 ## @vercel/h3@0.1.72 ### Patch Changes - Updated dependencies \[]: - @vercel/node@5.7.5 ## @vercel/hono@0.2.66 ### Patch Changes - Updated dependencies \[]: - @vercel/node@5.7.5 ## @vercel/koa@0.1.46 ### Patch Changes - Updated dependencies \[]: - @vercel/node@5.7.5 ## @vercel/nestjs@0.2.67 ### Patch Changes - Updated dependencies \[]: - @vercel/node@5.7.5 ## @vercel/next@4.16.7 ### Patch Changes - Update to latest Next.js adapter ([#15456](#15456)) ## @vercel/node@5.7.5 ### Patch Changes - Updated dependencies \[[`4e62f6c2204dd148643f86f140f0ae7995778017`](4e62f6c), [`42a70e1e6318615bd420933f9cc978bed3a43936`](42a70e1)]: - @vercel/build-utils@13.15.0 ## @vercel/static-build@2.9.13 ### Patch Changes - Updated dependencies \[]: - @vercel/gatsby-plugin-vercel-builder@2.1.13 Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

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dnwpark requested review from a team and agadzik as code owners April 8, 2026 18:41

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dnwpark mentioned this pull request Apr 9, 2026

[python] Use services orchestrator for single web services in local dev. #15889

Merged

dnwpark force-pushed the dnwpark/py-json-entrypoint branch from 5716a8a to 1a919e7 Compare April 9, 2026 17:20

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dnwpark added 12 commits April 9, 2026 12:33

Parse entrypoint variable name from vercel.json.

eb38d8f

Add tests.

1474319

Support module:attr notation regardless of service type.

ff70b28

More tests.

76a594a

Try file path first in case the file is in the project dir.

73bc236

Make sure cron service has handlerFunction.

8e547d0

Add test.

9449c95

Small refactor.

93d21f4

Remove file:var.

5249339

Pass config entrypoint var to detectPythonEntrypoint.

cf0170d

Add tests.

94667a0

Add changeset.

56e1d83

dnwpark force-pushed the dnwpark/py-json-entrypoint branch from 17f4687 to 56e1d83 Compare April 9, 2026 19:44

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Comment thread packages/python/src/entrypoint.ts Outdated

Add cron service handling in build.

e0ea056

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Remove content check for entrypoint variable.

9ef5b18

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msullivan approved these changes Apr 13, 2026

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Comment thread packages/python/src/entrypoint.ts Outdated

Remove dead code.

3530de0

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dnwpark merged commit 45c8d4f into main Apr 13, 2026
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dnwpark deleted the dnwpark/py-json-entrypoint branch April 13, 2026 22:47

vercel-cli-release-bot mentioned this pull request Apr 13, 2026

Version Packages #15936

Merged

dnwpark added a commit that referenced this pull request Apr 14, 2026

Revert "[python] Parse entrypoint variable name from vercel.json. (#1…

bb2e087

…5844)" This reverts commit 45c8d4f.

dnwpark mentioned this pull request Apr 14, 2026

Revert "[python] Parse entrypoint variable name from vercel.json." #15938

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[python] Parse entrypoint variable name from vercel.json.#15844

[python] Parse entrypoint variable name from vercel.json.#15844
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