Initial commit

tools/gpon_env.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+"""Shared connection settings for the telnet drivers in this directory.
+
+Resolved highest-priority-first from: the process environment, `../.env`,
+`../example.env`, then built-in defaults. Keeps addresses and credentials out
+of the scripts (and out of git) — see ../example.env.
+"""
+import os
+
+KEYS = ('GPON_HOST', 'GPON_PORT', 'GPON_USER', 'GPON_PASS')
+_ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+
+
+def _parse(path):
+    vals = {}
+    try:
+        with open(path) as f:
+            for line in f:
+                line = line.strip()
+                if not line or line.startswith('#') or '=' not in line:
+                    continue
+                k, v = line.split('=', 1)
+                vals[k.strip()] = v.strip().strip('"').strip("'")
+    except OSError:
+        pass
+    return vals
+
+
+_cfg = _parse(os.path.join(_ROOT, 'example.env'))
+_cfg.update(_parse(os.path.join(_ROOT, '.env')))
+_cfg.update({k: v for k, v in os.environ.items() if k in KEYS})
+
+HOST = _cfg.get('GPON_HOST') or '192.168.100.1'
+PORT = int(_cfg.get('GPON_PORT') or 23)
+USER = _cfg.get('GPON_USER') or 'root'
+PASS = _cfg.get('GPON_PASS') or 'admin'