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Fix backend detection when environment variables contain only whitespace

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JackTheGit 2026-03-17 17:30:01 +00:00 • committed by Teknium
parent c42a18e9e5
commit e8188a56c7
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1 changed files with 10 additions and 5 deletions
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15
tools/web_tools.py
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@ -57,6 +57,10 @@ logger = logging.getLogger(__name__)
# ─── Backend Selection ──────────────────────────────────────────────────────── # ─── Backend Selection ────────────────────────────────────────────────────────
def _has_env(name: str) -> bool:
val = os.getenv(name)
return bool(val and val.strip())
def _load_web_config() -> dict: def _load_web_config() -> dict:
"""Load the ``web:`` section from ~/.hermes/config.yaml.""" """Load the ``web:`` section from ~/.hermes/config.yaml."""
try: try:
@ -65,7 +69,6 @@ def _load_web_config() -> dict:
except (ImportError, Exception): except (ImportError, Exception):
return {} return {}
def _get_backend() -> str: def _get_backend() -> str:
"""Determine which web backend to use. """Determine which web backend to use.
@ -76,18 +79,20 @@ def _get_backend() -> str:
configured = _load_web_config().get("backend", "").lower().strip() configured = _load_web_config().get("backend", "").lower().strip()
if configured in ("parallel", "firecrawl", "tavily"): if configured in ("parallel", "firecrawl", "tavily"):
return configured return configured
# Fallback for manual / legacy config — use whichever key is present. # Fallback for manual / legacy config — use whichever key is present.
has_firecrawl = bool(os.getenv("FIRECRAWL_API_KEY") or os.getenv("FIRECRAWL_API_URL")) has_firecrawl = _has_env("FIRECRAWL_API_KEY") or _has_env("FIRECRAWL_API_URL")
has_parallel = bool(os.getenv("PARALLEL_API_KEY")) has_parallel = _has_env("PARALLEL_API_KEY")
has_tavily = bool(os.getenv("TAVILY_API_KEY")) has_tavily = _has_env("TAVILY_API_KEY")
if has_tavily and not has_firecrawl and not has_parallel: if has_tavily and not has_firecrawl and not has_parallel:
return "tavily" return "tavily"
if has_parallel and not has_firecrawl: if has_parallel and not has_firecrawl:
return "parallel" return "parallel"
# Default to firecrawl (backward compat, or when both are set) # Default to firecrawl (backward compat, or when both are set)
return "firecrawl" return "firecrawl"
# ─── Firecrawl Client ──────────────────────────────────────────────────────── # ─── Firecrawl Client ────────────────────────────────────────────────────────
_firecrawl_client = None _firecrawl_client = None