inject_dbs script cleanup

opt/dbs.py.src

@@ -0,0 +1,31 @@
+
+##########
+# BEGIN HEROKU PYTHON/DJANGO LANGUAGE PACK
+# Dynamically set DATABASES from ENV vars
+
+import os, urlparse
+urlparse.uses_netloc.append("postgres")
+key_re = re.compile(r"^(?P<name>[A-Z_]+)_URL$")
+
+for k,v in os.environ.items():
+    url = urlparse.urlparse(v)
+    matches = key_re.match(k)
+    if not matches or url.scheme != "postgres":
+        continue
+
+    DATABASES[matches.group("name")] = {
+        "ENGINE":   "django.db.backends.postgresql_psycopg2",
+        "NAME":     url.path[1:],
+        "USER":     url.username,
+        "PASSWORD": url.password,
+        "HOST":     url.hostname,
+        "PORT":     url.port,
+    }
+
+# alias "default" to DATABASE_URL
+if DATABASES["DATABASE"]:
+    DATABASES["default"] = DATABASES["DATABASE"]
+
+#
+# END HEROKU PYTHON/DJANGO LANGUAGE PACK
+##########