mirror of https://github.com/python/cpython
657 lines
24 KiB
Python
657 lines
24 KiB
Python
import base64
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import datetime
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import sys
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import time
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import unittest
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import xmlrpc.client as xmlrpclib
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import xmlrpc.server
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import threading
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import http.client
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import socket
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import os
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import re
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from test import support
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alist = [{'astring': 'foo@bar.baz.spam',
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'afloat': 7283.43,
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'anint': 2**20,
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'ashortlong': 2,
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'anotherlist': ['.zyx.41'],
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'abase64': xmlrpclib.Binary(b"my dog has fleas"),
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'boolean': False,
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'unicode': '\u4000\u6000\u8000',
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'ukey\u4000': 'regular value',
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'datetime1': xmlrpclib.DateTime('20050210T11:41:23'),
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'datetime2': xmlrpclib.DateTime(
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(2005, 2, 10, 11, 41, 23, 0, 1, -1)),
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'datetime3': xmlrpclib.DateTime(
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datetime.datetime(2005, 2, 10, 11, 41, 23)),
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}]
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class XMLRPCTestCase(unittest.TestCase):
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def test_dump_load(self):
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dump = xmlrpclib.dumps((alist,))
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load = xmlrpclib.loads(dump)
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self.assertEquals(alist, load[0][0])
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def test_dump_bare_datetime(self):
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# This checks that an unwrapped datetime.date object can be handled
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# by the marshalling code. This can't be done via test_dump_load()
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# since with use_datetime set to 1 the unmarshaller would create
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# datetime objects for the 'datetime[123]' keys as well
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dt = datetime.datetime(2005, 2, 10, 11, 41, 23)
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s = xmlrpclib.dumps((dt,))
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(newdt,), m = xmlrpclib.loads(s, use_datetime=1)
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self.assertEquals(newdt, dt)
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self.assertEquals(m, None)
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(newdt,), m = xmlrpclib.loads(s, use_datetime=0)
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self.assertEquals(newdt, xmlrpclib.DateTime('20050210T11:41:23'))
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def test_datetime_before_1900(self):
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# same as before but with a date before 1900
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dt = datetime.datetime(1, 2, 10, 11, 41, 23)
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s = xmlrpclib.dumps((dt,))
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(newdt,), m = xmlrpclib.loads(s, use_datetime=1)
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self.assertEquals(newdt, dt)
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self.assertEquals(m, None)
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(newdt,), m = xmlrpclib.loads(s, use_datetime=0)
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self.assertEquals(newdt, xmlrpclib.DateTime('00010210T11:41:23'))
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def test_cmp_datetime_DateTime(self):
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now = datetime.datetime.now()
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dt = xmlrpclib.DateTime(now.timetuple())
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self.assertTrue(dt == now)
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self.assertTrue(now == dt)
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then = now + datetime.timedelta(seconds=4)
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self.assertTrue(then >= dt)
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self.assertTrue(dt < then)
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def test_bug_1164912 (self):
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d = xmlrpclib.DateTime()
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((new_d,), dummy) = xmlrpclib.loads(xmlrpclib.dumps((d,),
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methodresponse=True))
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self.assertTrue(isinstance(new_d.value, str))
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# Check that the output of dumps() is still an 8-bit string
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s = xmlrpclib.dumps((new_d,), methodresponse=True)
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self.assertTrue(isinstance(s, str))
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def test_newstyle_class(self):
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class T(object):
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pass
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t = T()
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t.x = 100
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t.y = "Hello"
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((t2,), dummy) = xmlrpclib.loads(xmlrpclib.dumps((t,)))
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self.assertEquals(t2, t.__dict__)
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def test_dump_big_long(self):
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self.assertRaises(OverflowError, xmlrpclib.dumps, (2**99,))
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def test_dump_bad_dict(self):
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self.assertRaises(TypeError, xmlrpclib.dumps, ({(1,2,3): 1},))
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def test_dump_recursive_seq(self):
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l = [1,2,3]
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t = [3,4,5,l]
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l.append(t)
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self.assertRaises(TypeError, xmlrpclib.dumps, (l,))
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def test_dump_recursive_dict(self):
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d = {'1':1, '2':1}
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t = {'3':3, 'd':d}
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d['t'] = t
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self.assertRaises(TypeError, xmlrpclib.dumps, (d,))
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def test_dump_big_int(self):
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if sys.maxsize > 2**31-1:
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self.assertRaises(OverflowError, xmlrpclib.dumps,
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(int(2**34),))
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xmlrpclib.dumps((xmlrpclib.MAXINT, xmlrpclib.MININT))
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self.assertRaises(OverflowError, xmlrpclib.dumps,
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(xmlrpclib.MAXINT+1,))
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self.assertRaises(OverflowError, xmlrpclib.dumps,
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(xmlrpclib.MININT-1,))
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def dummy_write(s):
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pass
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m = xmlrpclib.Marshaller()
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m.dump_int(xmlrpclib.MAXINT, dummy_write)
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m.dump_int(xmlrpclib.MININT, dummy_write)
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self.assertRaises(OverflowError, m.dump_int,
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xmlrpclib.MAXINT+1, dummy_write)
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self.assertRaises(OverflowError, m.dump_int,
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xmlrpclib.MININT-1, dummy_write)
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def test_dump_none(self):
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value = alist + [None]
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arg1 = (alist + [None],)
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strg = xmlrpclib.dumps(arg1, allow_none=True)
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self.assertEquals(value,
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xmlrpclib.loads(strg)[0][0])
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self.assertRaises(TypeError, xmlrpclib.dumps, (arg1,))
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def test_get_host_info(self):
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# see bug #3613, this raised a TypeError
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transp = xmlrpc.client.Transport()
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self.assertEquals(transp.get_host_info("user@host.tld"),
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('host.tld',
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[('Authorization', 'Basic dXNlcg==')], {}))
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class HelperTestCase(unittest.TestCase):
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def test_escape(self):
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self.assertEqual(xmlrpclib.escape("a&b"), "a&b")
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self.assertEqual(xmlrpclib.escape("a<b"), "a<b")
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self.assertEqual(xmlrpclib.escape("a>b"), "a>b")
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class FaultTestCase(unittest.TestCase):
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def test_repr(self):
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f = xmlrpclib.Fault(42, 'Test Fault')
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self.assertEqual(repr(f), "<Fault 42: 'Test Fault'>")
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self.assertEqual(repr(f), str(f))
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def test_dump_fault(self):
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f = xmlrpclib.Fault(42, 'Test Fault')
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s = xmlrpclib.dumps((f,))
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(newf,), m = xmlrpclib.loads(s)
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self.assertEquals(newf, {'faultCode': 42, 'faultString': 'Test Fault'})
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self.assertEquals(m, None)
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s = xmlrpclib.Marshaller().dumps(f)
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self.assertRaises(xmlrpclib.Fault, xmlrpclib.loads, s)
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def test_dotted_attribute(self):
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# this will raise AttirebuteError because code don't want us to use
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# private methods
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self.assertRaises(AttributeError,
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xmlrpc.server.resolve_dotted_attribute, str, '__add')
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self.assertTrue(xmlrpc.server.resolve_dotted_attribute(str, 'title'))
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class DateTimeTestCase(unittest.TestCase):
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def test_default(self):
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t = xmlrpclib.DateTime()
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def test_time(self):
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d = 1181399930.036952
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t = xmlrpclib.DateTime(d)
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self.assertEqual(str(t),
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time.strftime("%Y%m%dT%H:%M:%S", time.localtime(d)))
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def test_time_tuple(self):
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d = (2007,6,9,10,38,50,5,160,0)
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t = xmlrpclib.DateTime(d)
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self.assertEqual(str(t), '20070609T10:38:50')
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def test_time_struct(self):
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d = time.localtime(1181399930.036952)
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t = xmlrpclib.DateTime(d)
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self.assertEqual(str(t), time.strftime("%Y%m%dT%H:%M:%S", d))
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def test_datetime_datetime(self):
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d = datetime.datetime(2007,1,2,3,4,5)
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t = xmlrpclib.DateTime(d)
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self.assertEqual(str(t), '20070102T03:04:05')
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def test_repr(self):
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d = datetime.datetime(2007,1,2,3,4,5)
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t = xmlrpclib.DateTime(d)
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val ="<DateTime '20070102T03:04:05' at %x>" % id(t)
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self.assertEqual(repr(t), val)
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def test_decode(self):
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d = ' 20070908T07:11:13 '
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t1 = xmlrpclib.DateTime()
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t1.decode(d)
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tref = xmlrpclib.DateTime(datetime.datetime(2007,9,8,7,11,13))
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self.assertEqual(t1, tref)
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t2 = xmlrpclib._datetime(d)
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self.assertEqual(t1, tref)
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class BinaryTestCase(unittest.TestCase):
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# XXX What should str(Binary(b"\xff")) return? I'm chosing "\xff"
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# for now (i.e. interpreting the binary data as Latin-1-encoded
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# text). But this feels very unsatisfactory. Perhaps we should
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# only define repr(), and return r"Binary(b'\xff')" instead?
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def test_default(self):
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t = xmlrpclib.Binary()
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self.assertEqual(str(t), '')
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def test_string(self):
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d = b'\x01\x02\x03abc123\xff\xfe'
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t = xmlrpclib.Binary(d)
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self.assertEqual(str(t), str(d, "latin-1"))
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def test_decode(self):
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d = b'\x01\x02\x03abc123\xff\xfe'
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de = base64.encodebytes(d)
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t1 = xmlrpclib.Binary()
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t1.decode(de)
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self.assertEqual(str(t1), str(d, "latin-1"))
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t2 = xmlrpclib._binary(de)
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self.assertEqual(str(t2), str(d, "latin-1"))
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ADDR = PORT = URL = None
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# The evt is set twice. First when the server is ready to serve.
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# Second when the server has been shutdown. The user must clear
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# the event after it has been set the first time to catch the second set.
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def http_server(evt, numrequests):
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class TestInstanceClass:
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def div(self, x, y):
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return x // y
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def _methodHelp(self, name):
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if name == 'div':
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return 'This is the div function'
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def my_function():
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'''This is my function'''
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return True
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class MyXMLRPCServer(xmlrpc.server.SimpleXMLRPCServer):
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def get_request(self):
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# Ensure the socket is always non-blocking. On Linux, socket
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# attributes are not inherited like they are on *BSD and Windows.
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s, port = self.socket.accept()
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s.setblocking(True)
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return s, port
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serv = MyXMLRPCServer(("localhost", 0),
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logRequests=False, bind_and_activate=False)
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try:
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serv.server_bind()
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global ADDR, PORT, URL
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ADDR, PORT = serv.socket.getsockname()
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#connect to IP address directly. This avoids socket.create_connection()
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#trying to connect to to "localhost" using all address families, which
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#causes slowdown e.g. on vista which supports AF_INET6. The server listens
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#on AF_INET only.
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URL = "http://%s:%d"%(ADDR, PORT)
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serv.server_activate()
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serv.register_introspection_functions()
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serv.register_multicall_functions()
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serv.register_function(pow)
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serv.register_function(lambda x,y: x+y, 'add')
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serv.register_function(my_function)
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serv.register_instance(TestInstanceClass())
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evt.set()
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# handle up to 'numrequests' requests
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while numrequests > 0:
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serv.handle_request()
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numrequests -= 1
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except socket.timeout:
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pass
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finally:
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serv.socket.close()
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PORT = None
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evt.set()
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# This function prevents errors like:
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# <ProtocolError for localhost:57527/RPC2: 500 Internal Server Error>
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def is_unavailable_exception(e):
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'''Returns True if the given ProtocolError is the product of a server-side
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exception caused by the 'temporarily unavailable' response sometimes
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given by operations on non-blocking sockets.'''
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# sometimes we get a -1 error code and/or empty headers
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try:
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if e.errcode == -1 or e.headers is None:
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return True
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exc_mess = e.headers.get('X-exception')
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except AttributeError:
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# Ignore socket.errors here.
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exc_mess = str(e)
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if exc_mess and 'temporarily unavailable' in exc_mess.lower():
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return True
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class SimpleServerTestCase(unittest.TestCase):
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def setUp(self):
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# enable traceback reporting
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xmlrpc.server.SimpleXMLRPCServer._send_traceback_header = True
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self.evt = threading.Event()
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# start server thread to handle requests
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serv_args = (self.evt, 1)
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threading.Thread(target=http_server, args=serv_args).start()
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# wait for the server to be ready
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self.evt.wait()
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self.evt.clear()
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def tearDown(self):
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# wait on the server thread to terminate
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self.evt.wait(4.0)
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if not self.evt.is_set():
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self.evt.set()
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stop_serving()
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raise RuntimeError("timeout reached, test has failed")
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# disable traceback reporting
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xmlrpc.server.SimpleXMLRPCServer._send_traceback_header = False
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def test_simple1(self):
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try:
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p = xmlrpclib.ServerProxy(URL)
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self.assertEqual(p.pow(6,8), 6**8)
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except (xmlrpclib.ProtocolError, socket.error) as e:
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# ignore failures due to non-blocking socket 'unavailable' errors
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if not is_unavailable_exception(e):
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# protocol error; provide additional information in test output
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self.fail("%s\n%s" % (e, getattr(e, "headers", "")))
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def test_nonascii(self):
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start_string = 'P\N{LATIN SMALL LETTER Y WITH CIRCUMFLEX}t'
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end_string = 'h\N{LATIN SMALL LETTER O WITH HORN}n'
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try:
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p = xmlrpclib.ServerProxy(URL)
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self.assertEqual(p.add(start_string, end_string),
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start_string + end_string)
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except (xmlrpclib.ProtocolError, socket.error) as e:
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# ignore failures due to non-blocking socket 'unavailable' errors
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if not is_unavailable_exception(e):
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# protocol error; provide additional information in test output
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self.fail("%s\n%s" % (e, getattr(e, "headers", "")))
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# [ch] The test 404 is causing lots of false alarms.
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def XXXtest_404(self):
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# send POST with http.client, it should return 404 header and
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# 'Not Found' message.
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conn = httplib.client.HTTPConnection(ADDR, PORT)
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conn.request('POST', '/this-is-not-valid')
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response = conn.getresponse()
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conn.close()
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self.assertEqual(response.status, 404)
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self.assertEqual(response.reason, 'Not Found')
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def test_introspection1(self):
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expected_methods = set(['pow', 'div', 'my_function', 'add',
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'system.listMethods', 'system.methodHelp',
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'system.methodSignature', 'system.multicall'])
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try:
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p = xmlrpclib.ServerProxy(URL)
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meth = p.system.listMethods()
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self.assertEqual(set(meth), expected_methods)
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except (xmlrpclib.ProtocolError, socket.error) as e:
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# ignore failures due to non-blocking socket 'unavailable' errors
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if not is_unavailable_exception(e):
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# protocol error; provide additional information in test output
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self.fail("%s\n%s" % (e, getattr(e, "headers", "")))
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def test_introspection2(self):
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try:
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# test _methodHelp()
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p = xmlrpclib.ServerProxy(URL)
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divhelp = p.system.methodHelp('div')
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self.assertEqual(divhelp, 'This is the div function')
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except (xmlrpclib.ProtocolError, socket.error) as e:
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# ignore failures due to non-blocking socket 'unavailable' errors
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if not is_unavailable_exception(e):
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# protocol error; provide additional information in test output
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self.fail("%s\n%s" % (e, getattr(e, "headers", "")))
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def test_introspection3(self):
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try:
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# test native doc
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p = xmlrpclib.ServerProxy(URL)
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myfunction = p.system.methodHelp('my_function')
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self.assertEqual(myfunction, 'This is my function')
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except (xmlrpclib.ProtocolError, socket.error) as e:
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# ignore failures due to non-blocking socket 'unavailable' errors
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if not is_unavailable_exception(e):
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# protocol error; provide additional information in test output
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self.fail("%s\n%s" % (e, getattr(e, "headers", "")))
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def test_introspection4(self):
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# the SimpleXMLRPCServer doesn't support signatures, but
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# at least check that we can try making the call
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try:
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p = xmlrpclib.ServerProxy(URL)
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divsig = p.system.methodSignature('div')
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self.assertEqual(divsig, 'signatures not supported')
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except (xmlrpclib.ProtocolError, socket.error) as e:
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# ignore failures due to non-blocking socket 'unavailable' errors
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if not is_unavailable_exception(e):
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# protocol error; provide additional information in test output
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self.fail("%s\n%s" % (e, getattr(e, "headers", "")))
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def test_multicall(self):
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try:
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p = xmlrpclib.ServerProxy(URL)
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multicall = xmlrpclib.MultiCall(p)
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multicall.add(2,3)
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multicall.pow(6,8)
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multicall.div(127,42)
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add_result, pow_result, div_result = multicall()
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self.assertEqual(add_result, 2+3)
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self.assertEqual(pow_result, 6**8)
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self.assertEqual(div_result, 127//42)
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except (xmlrpclib.ProtocolError, socket.error) as e:
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# ignore failures due to non-blocking socket 'unavailable' errors
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if not is_unavailable_exception(e):
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# protocol error; provide additional information in test output
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self.fail("%s\n%s" % (e, getattr(e, "headers", "")))
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def test_non_existing_multicall(self):
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try:
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p = xmlrpclib.ServerProxy(URL)
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multicall = xmlrpclib.MultiCall(p)
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multicall.this_is_not_exists()
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result = multicall()
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# result.results contains;
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# [{'faultCode': 1, 'faultString': '<class \'exceptions.Exception\'>:'
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# 'method "this_is_not_exists" is not supported'>}]
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self.assertEqual(result.results[0]['faultCode'], 1)
|
|
self.assertEqual(result.results[0]['faultString'],
|
|
'<class \'Exception\'>:method "this_is_not_exists" '
|
|
'is not supported')
|
|
except (xmlrpclib.ProtocolError, socket.error) as e:
|
|
# ignore failures due to non-blocking socket 'unavailable' errors
|
|
if not is_unavailable_exception(e):
|
|
# protocol error; provide additional information in test output
|
|
self.fail("%s\n%s" % (e, getattr(e, "headers", "")))
|
|
|
|
def test_dotted_attribute(self):
|
|
# Raises an AttributeError because private methods are not allowed.
|
|
self.assertRaises(AttributeError,
|
|
xmlrpc.server.resolve_dotted_attribute, str, '__add')
|
|
|
|
self.assertTrue(xmlrpc.server.resolve_dotted_attribute(str, 'title'))
|
|
# Get the test to run faster by sending a request with test_simple1.
|
|
# This avoids waiting for the socket timeout.
|
|
self.test_simple1()
|
|
|
|
# This is a contrived way to make a failure occur on the server side
|
|
# in order to test the _send_traceback_header flag on the server
|
|
class FailingMessageClass(http.client.HTTPMessage):
|
|
def get(self, key, failobj=None):
|
|
key = key.lower()
|
|
if key == 'content-length':
|
|
return 'I am broken'
|
|
return super().get(key, failobj)
|
|
|
|
|
|
class FailingServerTestCase(unittest.TestCase):
|
|
def setUp(self):
|
|
self.evt = threading.Event()
|
|
# start server thread to handle requests
|
|
serv_args = (self.evt, 1)
|
|
threading.Thread(target=http_server, args=serv_args).start()
|
|
|
|
# wait for the server to be ready
|
|
self.evt.wait()
|
|
self.evt.clear()
|
|
|
|
def tearDown(self):
|
|
# wait on the server thread to terminate
|
|
self.evt.wait()
|
|
# reset flag
|
|
xmlrpc.server.SimpleXMLRPCServer._send_traceback_header = False
|
|
# reset message class
|
|
default_class = http.client.HTTPMessage
|
|
xmlrpc.server.SimpleXMLRPCRequestHandler.MessageClass = default_class
|
|
|
|
def test_basic(self):
|
|
# check that flag is false by default
|
|
flagval = xmlrpc.server.SimpleXMLRPCServer._send_traceback_header
|
|
self.assertEqual(flagval, False)
|
|
|
|
# enable traceback reporting
|
|
xmlrpc.server.SimpleXMLRPCServer._send_traceback_header = True
|
|
|
|
# test a call that shouldn't fail just as a smoke test
|
|
try:
|
|
p = xmlrpclib.ServerProxy(URL)
|
|
self.assertEqual(p.pow(6,8), 6**8)
|
|
except (xmlrpclib.ProtocolError, socket.error) as e:
|
|
# ignore failures due to non-blocking socket 'unavailable' errors
|
|
if not is_unavailable_exception(e):
|
|
# protocol error; provide additional information in test output
|
|
self.fail("%s\n%s" % (e, getattr(e, "headers", "")))
|
|
|
|
def test_fail_no_info(self):
|
|
# use the broken message class
|
|
xmlrpc.server.SimpleXMLRPCRequestHandler.MessageClass = FailingMessageClass
|
|
|
|
try:
|
|
p = xmlrpclib.ServerProxy(URL)
|
|
p.pow(6,8)
|
|
except (xmlrpclib.ProtocolError, socket.error) as e:
|
|
# ignore failures due to non-blocking socket 'unavailable' errors
|
|
if not is_unavailable_exception(e) and hasattr(e, "headers"):
|
|
# The two server-side error headers shouldn't be sent back in this case
|
|
self.assertTrue(e.headers.get("X-exception") is None)
|
|
self.assertTrue(e.headers.get("X-traceback") is None)
|
|
else:
|
|
self.fail('ProtocolError not raised')
|
|
|
|
def test_fail_with_info(self):
|
|
# use the broken message class
|
|
xmlrpc.server.SimpleXMLRPCRequestHandler.MessageClass = FailingMessageClass
|
|
|
|
# Check that errors in the server send back exception/traceback
|
|
# info when flag is set
|
|
xmlrpc.server.SimpleXMLRPCServer._send_traceback_header = True
|
|
|
|
try:
|
|
p = xmlrpclib.ServerProxy(URL)
|
|
p.pow(6,8)
|
|
except (xmlrpclib.ProtocolError, socket.error) as e:
|
|
# ignore failures due to non-blocking socket 'unavailable' errors
|
|
if not is_unavailable_exception(e) and hasattr(e, "headers"):
|
|
# We should get error info in the response
|
|
expected_err = "invalid literal for int() with base 10: 'I am broken'"
|
|
self.assertEqual(e.headers.get("X-exception"), expected_err)
|
|
self.assertTrue(e.headers.get("X-traceback") is not None)
|
|
else:
|
|
self.fail('ProtocolError not raised')
|
|
|
|
class CGIHandlerTestCase(unittest.TestCase):
|
|
def setUp(self):
|
|
self.cgi = xmlrpc.server.CGIXMLRPCRequestHandler()
|
|
|
|
def tearDown(self):
|
|
self.cgi = None
|
|
|
|
def test_cgi_get(self):
|
|
with support.EnvironmentVarGuard() as env:
|
|
env['REQUEST_METHOD'] = 'GET'
|
|
# if the method is GET and no request_text is given, it runs handle_get
|
|
# get sysout output
|
|
tmp = sys.stdout
|
|
sys.stdout = open(support.TESTFN, "w")
|
|
self.cgi.handle_request()
|
|
sys.stdout.close()
|
|
sys.stdout = tmp
|
|
|
|
# parse Status header
|
|
handle = open(support.TESTFN, "r").read()
|
|
status = handle.split()[1]
|
|
message = ' '.join(handle.split()[2:4])
|
|
|
|
self.assertEqual(status, '400')
|
|
self.assertEqual(message, 'Bad Request')
|
|
|
|
os.remove(support.TESTFN)
|
|
|
|
def test_cgi_xmlrpc_response(self):
|
|
data = """<?xml version='1.0'?>
|
|
<methodCall>
|
|
<methodName>test_method</methodName>
|
|
<params>
|
|
<param>
|
|
<value><string>foo</string></value>
|
|
</param>
|
|
<param>
|
|
<value><string>bar</string></value>
|
|
</param>
|
|
</params>
|
|
</methodCall>
|
|
"""
|
|
open("xmldata.txt", "w").write(data)
|
|
tmp1 = sys.stdin
|
|
tmp2 = sys.stdout
|
|
|
|
sys.stdin = open("xmldata.txt", "r")
|
|
sys.stdout = open(support.TESTFN, "w")
|
|
|
|
with support.EnvironmentVarGuard() as env:
|
|
env['CONTENT_LENGTH'] = str(len(data))
|
|
self.cgi.handle_request()
|
|
|
|
sys.stdin.close()
|
|
sys.stdout.close()
|
|
sys.stdin = tmp1
|
|
sys.stdout = tmp2
|
|
|
|
# will respond exception, if so, our goal is achieved ;)
|
|
handle = open(support.TESTFN, "r").read()
|
|
|
|
# start with 44th char so as not to get http header, we just
|
|
# need only xml
|
|
self.assertRaises(xmlrpclib.Fault, xmlrpclib.loads, handle[44:])
|
|
|
|
# Also test the content-length returned by handle_request
|
|
# Using the same test method inorder to avoid all the datapassing
|
|
# boilerplate code.
|
|
# Test for bug: http://bugs.python.org/issue5040
|
|
|
|
content = handle[handle.find("<?xml"):]
|
|
|
|
self.assertEquals(
|
|
int(re.search('Content-Length: (\d+)', handle).group(1)),
|
|
len(content))
|
|
|
|
os.remove("xmldata.txt")
|
|
os.remove(support.TESTFN)
|
|
|
|
|
|
def test_main():
|
|
xmlrpc_tests = [XMLRPCTestCase, HelperTestCase, DateTimeTestCase,
|
|
BinaryTestCase, FaultTestCase]
|
|
xmlrpc_tests.append(SimpleServerTestCase)
|
|
xmlrpc_tests.append(FailingServerTestCase)
|
|
xmlrpc_tests.append(CGIHandlerTestCase)
|
|
|
|
support.run_unittest(*xmlrpc_tests)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|