fastmcp/.github/workflows/publish-fastmcp.yml
Jeremiah Lowin bb4894d215
Add fastmcp-slim for client-only installs (#4122)
* Add fastmcp-client workspace package

* Fix client package static checks

* Document client-only package

* Harden fastmcp-client package split

* Preserve forwarded headers in full package

* Switch to fastmcp-slim package

* Fix fastmcp-slim release edges

* Match pydantic-style slim layout

* Polish fastmcp-slim packaging
2026-05-11 17:13:21 -04:00

87 lines
2.6 KiB
YAML

name: Publish fastmcp to PyPI
on:
workflow_run:
workflows: ["Publish fastmcp-slim to PyPI"]
types: [completed]
workflow_dispatch:
permissions:
contents: read
id-token: write
jobs:
pypi-publish:
name: Upload fastmcp to PyPI
runs-on: ubuntu-latest
if: github.event_name == 'workflow_dispatch' || (github.event.workflow_run.conclusion == 'success' && github.event.workflow_run.event == 'release')
steps:
- name: Checkout
uses: actions/checkout@v6
with:
fetch-depth: 0
ref: ${{ github.event.workflow_run.head_sha || github.sha }}
- name: Install uv
uses: astral-sh/setup-uv@v7
- name: Build fastmcp
run: uv build --package fastmcp
- name: Verify matching fastmcp-slim is published
run: |
SLIM_VERSION=$(python - <<'PY'
import email.parser
import re
import zipfile
from pathlib import Path
wheel = next(Path("dist").glob("fastmcp-*.whl"))
metadata_name = next(
name for name in zipfile.ZipFile(wheel).namelist()
if name.endswith(".dist-info/METADATA")
)
metadata = email.parser.Parser().parsestr(
zipfile.ZipFile(wheel).read(metadata_name).decode()
)
for value in metadata.get_all("Requires-Dist", []):
requirement, _, marker = value.partition(";")
if marker.strip():
continue
match = re.fullmatch(
r"fastmcp-slim(?:\[[^\]]+\])?==([^;\s]+)",
requirement.strip(),
)
if match:
print(match.group(1))
break
else:
raise RuntimeError("Could not find the base fastmcp-slim dependency")
PY
)
for attempt in {1..12}; do
if python - "$SLIM_VERSION" <<'PY'
import json
import sys
import urllib.request
version = sys.argv[1]
url = f"https://pypi.org/pypi/fastmcp-slim/{version}/json"
with urllib.request.urlopen(url, timeout=30) as response:
json.load(response)
PY
then
exit 0
fi
echo "fastmcp-slim ${SLIM_VERSION} is not available on PyPI yet; retrying (${attempt}/12)."
sleep 10
done
echo "fastmcp-slim ${SLIM_VERSION} is not available on PyPI; refusing to publish fastmcp." >&2
exit 1
- name: Publish fastmcp to PyPI
run: uv publish -v dist/fastmcp-*.tar.gz dist/fastmcp-*.whl