4 def runshell():

     5 class DatabaseClient(BaseDatabaseClient):

     5     args = ['psql']

     6     executable_name = 'psql'

     6     if settings.DATABASE_USER:

     7 

     7         args += ["-U", settings.DATABASE_USER]

     8     def runshell(self):

     8     if settings.DATABASE_PASSWORD:

     9         args = [self.executable_name]

     9         args += ["-W"]

    10         if settings.DATABASE_USER:

    10     if settings.DATABASE_HOST:

    11             args += ["-U", settings.DATABASE_USER]

    11         args.extend(["-h", settings.DATABASE_HOST])

    12         if settings.DATABASE_PASSWORD:

    12     if settings.DATABASE_PORT:

    13             args += ["-W"]

    13         args.extend(["-p", str(settings.DATABASE_PORT)])

    14         if settings.DATABASE_HOST:

    14     args += [settings.DATABASE_NAME]

    15             args.extend(["-h", settings.DATABASE_HOST])

    15     os.execvp('psql', args)

    16         if settings.DATABASE_PORT:

    17             args.extend(["-p", str(settings.DATABASE_PORT)])

    18         args += [settings.DATABASE_NAME]

    19         os.execvp(self.executable_name, args)