+
−from django.conf import settings
+
−import os
+
−
+
−def runshell():
+
−    args = ['psql']
+
−    if settings.DATABASE_USER:
+
−        args += ["-U", settings.DATABASE_USER]
+
−    if settings.DATABASE_PASSWORD:
+
−        args += ["-W"]
+
−    if settings.DATABASE_HOST:
+
−        args.extend(["-h", settings.DATABASE_HOST])
+
−    if settings.DATABASE_PORT:
+
−        args.extend(["-p", str(settings.DATABASE_PORT)])
+
−    args += [settings.DATABASE_NAME]
+
−    os.execvp('psql', args)