Python pipes 模块，STDIN_STDOUT 实例源码

我们从Python开源项目中，提取了以下40个代码示例，用于说明如何使用pipes.STDIN_STDOUT。

项目：zippy 作者：securesystemslab | 项目源码 | 文件源码

def testSimplePipe1(self):
        t = pipes.Template()
        t.append(s_command, pipes.STDIN_STDOUT)
        f = t.open(TESTFN, 'w')
        f.write('hello world #1')
        f.close()
        with open(TESTFN) as f:
            self.assertEqual(f.read(), 'HELLO WORLD #1')

项目：zippy 作者：securesystemslab | 项目源码 | 文件源码

def testRepr(self):
        t = pipes.Template()
        self.assertEqual(repr(t), "<Template instance, steps=[]>")
        t.append('tr a-z A-Z', pipes.STDIN_STDOUT)
        self.assertEqual(repr(t),
                    "<Template instance, steps=[('tr a-z A-Z', '--')]>")

项目：zippy 作者：securesystemslab | 项目源码 | 文件源码

def testBadAppendOptions(self):
        t = pipes.Template()

        # try a non-string command
        self.assertRaises(TypeError, t.append, 7, pipes.STDIN_STDOUT)

        # try a type that isn't recognized
        self.assertRaises(ValueError, t.append, 'boguscmd', 'xx')

        # shouldn't be able to append a source
        self.assertRaises(ValueError, t.append, 'boguscmd', pipes.SOURCE)

        # check appending two sinks
        t = pipes.Template()
        t.append('boguscmd', pipes.SINK)
        self.assertRaises(ValueError, t.append, 'boguscmd', pipes.SINK)

        # command needing file input but with no $IN
        t = pipes.Template()
        self.assertRaises(ValueError, t.append, 'boguscmd $OUT',
                           pipes.FILEIN_FILEOUT)
        t = pipes.Template()
        self.assertRaises(ValueError, t.append, 'boguscmd',
                           pipes.FILEIN_STDOUT)

        # command needing file output but with no $OUT
        t = pipes.Template()
        self.assertRaises(ValueError, t.append, 'boguscmd $IN',
                           pipes.FILEIN_FILEOUT)
        t = pipes.Template()
        self.assertRaises(ValueError, t.append, 'boguscmd',
                           pipes.STDIN_FILEOUT)

项目：zippy 作者：securesystemslab | 项目源码 | 文件源码

def testBadPrependOptions(self):
        t = pipes.Template()

        # try a non-string command
        self.assertRaises(TypeError, t.prepend, 7, pipes.STDIN_STDOUT)

        # try a type that isn't recognized
        self.assertRaises(ValueError, t.prepend, 'tr a-z A-Z', 'xx')

        # shouldn't be able to prepend a sink
        self.assertRaises(ValueError, t.prepend, 'boguscmd', pipes.SINK)

        # check prepending two sources
        t = pipes.Template()
        t.prepend('boguscmd', pipes.SOURCE)
        self.assertRaises(ValueError, t.prepend, 'boguscmd', pipes.SOURCE)

        # command needing file input but with no $IN
        t = pipes.Template()
        self.assertRaises(ValueError, t.prepend, 'boguscmd $OUT',
                           pipes.FILEIN_FILEOUT)
        t = pipes.Template()
        self.assertRaises(ValueError, t.prepend, 'boguscmd',
                           pipes.FILEIN_STDOUT)

        # command needing file output but with no $OUT
        t = pipes.Template()
        self.assertRaises(ValueError, t.prepend, 'boguscmd $IN',
                           pipes.FILEIN_FILEOUT)
        t = pipes.Template()
        self.assertRaises(ValueError, t.prepend, 'boguscmd',
                           pipes.STDIN_FILEOUT)

项目：zippy 作者：securesystemslab | 项目源码 | 文件源码

def testClone(self):
        t = pipes.Template()
        t.append('tr a-z A-Z', pipes.STDIN_STDOUT)

        u = t.clone()
        self.assertNotEqual(id(t), id(u))
        self.assertEqual(t.steps, u.steps)
        self.assertNotEqual(id(t.steps), id(u.steps))
        self.assertEqual(t.debugging, u.debugging)