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fix(install): pass an explicit Python version request to uv tool install

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uv selects an interpreter before resolving dependencies, so with no
--python request the stock macOS /usr/bin/python3 (3.9.6) satisfies the
unconstrained request and resolution then fails against litellm's
requires-python (>=3.10,<3.15) instead of downloading a managed Python.
Request the requires-python range explicitly in install-cli.sh and
install.sh so uv reuses a compatible system interpreter when present and
downloads a managed one otherwise. The manual-fallback hint in the die
message carries the same flag so it no longer reproduces the failure.
This commit is contained in:
Tin Chi Lo 2026-07-26 21:02:35 -07:00
parent 24123269cc
commit b0899923f8
2 changed files with 12 additions and 10 deletions
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11
scripts/install-cli.sh
View file

@ -95,9 +95,10 @@ if [ -z "$UV_BIN" ] || [ "${CURRENT_UV_VERSION:-}" != "$UV_VERSION" ]; then
fi
# ── install ────────────────────────────────────────────────────────────────
# --python-preference system: reuse a compatible system Python when present,
# otherwise download a managed one. Either way uv honours litellm's requires-python,
# so a too-old (3.9) or too-new (3.14+) system Python is skipped, not forced.
# --python mirrors requires-python in pyproject.toml (keep in sync): uv selects the
# interpreter before resolving, so an unconstrained request accepts a too-old system
# Python (stock macOS ships 3.9) and fails resolution instead of downloading a
# managed one. --python-preference system still reuses a compatible system Python.
echo ""
if [ -n "${LITELLM_CLI_REF:-}" ]; then
header "Installing litellm[cli] from ${LITELLM_CLI_REF}…"
@ -106,8 +107,8 @@ else
fi
echo ""
"$UV_BIN" tool install --python-preference system --force "${LITELLM_PACKAGE}" \
|| die "uv tool install failed. Try manually: $UV_BIN tool install '${LITELLM_PACKAGE}'"
"$UV_BIN" tool install --python '>=3.10,<3.15' --python-preference system --force "${LITELLM_PACKAGE}" \
|| die "uv tool install failed. Try manually: $UV_BIN tool install --python '>=3.10,<3.15' '${LITELLM_PACKAGE}'"
# ── find the lite binary installed by uv tool ──────────────────────────────
SCRIPTS_DIR="$("$UV_BIN" tool dir --bin)"

11
scripts/install.sh
View file

@ -100,11 +100,12 @@ else
fi
echo ""
# --python-preference system: reuse a compatible system Python when present,
# otherwise download a managed one. Either way uv honours litellm's requires-python,
# so a too-old (3.9) or too-new (3.14+) system Python is skipped, not forced.
"$UV_BIN" tool install --python-preference system --force "${LITELLM_PACKAGE}" \
|| die "uv tool install failed. Try manually: $UV_BIN tool install '${LITELLM_PACKAGE}'"
# --python mirrors requires-python in pyproject.toml (keep in sync): uv selects the
# interpreter before resolving, so an unconstrained request accepts a too-old system
# Python (stock macOS ships 3.9) and fails resolution instead of downloading a
# managed one. --python-preference system still reuses a compatible system Python.
"$UV_BIN" tool install --python '>=3.10,<3.15' --python-preference system --force "${LITELLM_PACKAGE}" \
|| die "uv tool install failed. Try manually: $UV_BIN tool install --python '>=3.10,<3.15' '${LITELLM_PACKAGE}'"
# ── find the litellm binary installed by uv tool ───────────────────────────
SCRIPTS_DIR="$("$UV_BIN" tool dir --bin)"