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[shawn] fix: set PYTHONPATH and absolute python for vendored Instagram MCP spawn

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TheAchiever6823
2026-05-17 19:30:25 -07:00
parent a9f6338227
commit b247ed7b7c
1 changed files with 17 additions and 0 deletions
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backend/apps/tools_lib/tools_lib.py
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@@ -326,6 +326,23 @@ def derive_mcp_config(tool: ToolDefinition) -> Optional[dict]:
existing_pp = env.get("PYTHONPATH") or os.environ.get("PYTHONPATH", "")
env["PYTHONPATH"] = (_project_root + os.pathsep + existing_pp) if existing_pp else _project_root
# Instagram MCP runs as a vendored Python package (backend.apps.instagram_mcp).
# Same PYTHONPATH treatment as Discord so `python -m backend.apps.instagram_mcp`
# can find the package when spawned as a subprocess from any cwd. Without
# this, the spawn silently fails and the agent sees zero Instagram tools.
if tool.name.lower() == "instagram" and config.get("type") == "stdio":
env = config.setdefault("env", {})
_project_root = os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
existing_pp = env.get("PYTHONPATH") or os.environ.get("PYTHONPATH", "")
env["PYTHONPATH"] = (_project_root + os.pathsep + existing_pp) if existing_pp else _project_root
# Also pin `command` to the same Python interpreter the backend is
# running in. The MCP config's literal "python" would otherwise
# resolve via PATH and could land on a system Python missing
# instagrapi. sys.executable always points at the right env.
import sys as _sys
if config.get("command") == "python":
config["command"] = _sys.executable
# Microsoft 365 MCP: use a stable token cache path shared across process spawns
if tool.name.lower() == "microsoft 365" and config.get("type") == "stdio":
env = config.setdefault("env", {})