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fix(memory): #5950 fallback to pip when uv is not available during p… #5954

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fix(memory): #5950 fallback to pip when uv is not available during p… #5954

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27 changes: 19 additions & 8 deletions hermes_cli/memory_setup.py
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Original file line number Diff line number Diff line change
Expand Up @@ -171,16 +171,27 @@ def _install_dependencies(provider_name: str) -> None:
print(f"\n Installing dependencies: {', '.join(missing)}")

import shutil
import subprocess
import sys

uv_path = shutil.which("uv")
if not uv_path:
print(f" ⚠ uv not found — cannot install dependencies")
print(f" Install uv: curl -LsSf https://astral.sh/uv/install.sh | sh")
print(f" Then re-run: hermes memory setup")
return
if uv_path:
install_cmd = [uv_path, "pip", "install", "--python", sys.executable, "--quiet"] + missing
manual_cmd = f"uv pip install --python {sys.executable} {' '.join(missing)}"
else:
pip_cmd = shutil.which("pip3") or shutil.which("pip")
if not pip_cmd:
print(f" ⚠ uv not found — cannot install dependencies")
print(f" Install uv: curl -LsSf https://astral.sh/uv/install.sh | sh")
print(f" Then re-run: hermes memory setup")
return
print(f" ⚠ uv not found. Falling back to standard pip...")
install_cmd = [sys.executable, "-m", "pip", "install", "--quiet"] + missing
manual_cmd = f"{sys.executable} -m pip install {' '.join(missing)}"

try:
subprocess.run(
[uv_path, "pip", "install", "--python", sys.executable, "--quiet"] + missing,
install_cmd,
check=True, timeout=120,
capture_output=True,
)
Expand All @@ -190,10 +201,10 @@ def _install_dependencies(provider_name: str) -> None:
stderr = (e.stderr or b"").decode()[:200]
if stderr:
print(f" {stderr}")
print(f" Run manually: uv pip install --python {sys.executable} {' '.join(missing)}")
print(f" Run manually: {manual_cmd}")
except Exception as e:
print(f" ⚠ Install failed: {e}")
print(f" Run manually: uv pip install --python {sys.executable} {' '.join(missing)}")
print(f" Run manually: {manual_cmd}")

# Also show external dependencies (non-pip) if any
ext_deps = meta.get("external_dependencies", [])
Expand Down