4710c53dca
These files are a subset of the python-2.7.2.tgz distribution from python.org. Changed files from PyMod-2.7.2 have been copied into the corresponding directories of this tree, replacing the original files in the distribution. Signed-off-by: daryl.mcdaniel@intel.com git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13197 6f19259b-4bc3-4df7-8a09-765794883524
318 lines
11 KiB
Python
318 lines
11 KiB
Python
import test.test_support
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compiler = test.test_support.import_module('compiler', deprecated=True)
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from compiler.ast import flatten
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import os, sys, time, unittest
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from random import random
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from StringIO import StringIO
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# How much time in seconds can pass before we print a 'Still working' message.
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_PRINT_WORKING_MSG_INTERVAL = 5 * 60
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class TrivialContext(object):
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def __enter__(self):
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return self
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def __exit__(self, *exc_info):
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pass
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class CompilerTest(unittest.TestCase):
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def testCompileLibrary(self):
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# A simple but large test. Compile all the code in the
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# standard library and its test suite. This doesn't verify
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# that any of the code is correct, merely the compiler is able
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# to generate some kind of code for it.
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next_time = time.time() + _PRINT_WORKING_MSG_INTERVAL
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# warning: if 'os' or 'test_support' are moved in some other dir,
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# they should be changed here.
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libdir = os.path.dirname(os.__file__)
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testdir = os.path.dirname(test.test_support.__file__)
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for dir in [libdir, testdir]:
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for basename in os.listdir(dir):
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# Print still working message since this test can be really slow
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if next_time <= time.time():
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next_time = time.time() + _PRINT_WORKING_MSG_INTERVAL
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print >>sys.__stdout__, \
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' testCompileLibrary still working, be patient...'
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sys.__stdout__.flush()
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if not basename.endswith(".py"):
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continue
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if not TEST_ALL and random() < 0.98:
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continue
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path = os.path.join(dir, basename)
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if test.test_support.verbose:
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print "compiling", path
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f = open(path, "U")
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buf = f.read()
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f.close()
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if "badsyntax" in basename or "bad_coding" in basename:
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self.assertRaises(SyntaxError, compiler.compile,
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buf, basename, "exec")
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else:
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try:
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compiler.compile(buf, basename, "exec")
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except Exception, e:
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args = list(e.args)
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args.append("in file %s]" % basename)
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#args[0] += "[in file %s]" % basename
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e.args = tuple(args)
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raise
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def testNewClassSyntax(self):
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compiler.compile("class foo():pass\n\n","<string>","exec")
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def testYieldExpr(self):
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compiler.compile("def g(): yield\n\n", "<string>", "exec")
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def testKeywordAfterStarargs(self):
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def f(*args, **kwargs):
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self.assertEqual((args, kwargs), ((2,3), {'x': 1, 'y': 4}))
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c = compiler.compile('f(x=1, *(2, 3), y=4)', '<string>', 'exec')
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exec c in {'f': f}
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self.assertRaises(SyntaxError, compiler.parse, "foo(a=1, b)")
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self.assertRaises(SyntaxError, compiler.parse, "foo(1, *args, 3)")
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def testTryExceptFinally(self):
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# Test that except and finally clauses in one try stmt are recognized
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c = compiler.compile("try:\n 1//0\nexcept:\n e = 1\nfinally:\n f = 1",
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"<string>", "exec")
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dct = {}
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exec c in dct
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self.assertEqual(dct.get('e'), 1)
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self.assertEqual(dct.get('f'), 1)
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def testDefaultArgs(self):
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self.assertRaises(SyntaxError, compiler.parse, "def foo(a=1, b): pass")
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def testDocstrings(self):
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c = compiler.compile('"doc"', '<string>', 'exec')
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self.assertIn('__doc__', c.co_names)
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c = compiler.compile('def f():\n "doc"', '<string>', 'exec')
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g = {}
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exec c in g
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self.assertEqual(g['f'].__doc__, "doc")
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def testLineNo(self):
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# Test that all nodes except Module have a correct lineno attribute.
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filename = __file__
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if filename.endswith((".pyc", ".pyo")):
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filename = filename[:-1]
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tree = compiler.parseFile(filename)
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self.check_lineno(tree)
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def check_lineno(self, node):
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try:
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self._check_lineno(node)
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except AssertionError:
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print node.__class__, node.lineno
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raise
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def _check_lineno(self, node):
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if not node.__class__ in NOLINENO:
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self.assertIsInstance(node.lineno, int,
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"lineno=%s on %s" % (node.lineno, node.__class__))
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self.assertTrue(node.lineno > 0,
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"lineno=%s on %s" % (node.lineno, node.__class__))
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for child in node.getChildNodes():
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self.check_lineno(child)
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def testFlatten(self):
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self.assertEqual(flatten([1, [2]]), [1, 2])
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self.assertEqual(flatten((1, (2,))), [1, 2])
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def testNestedScope(self):
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c = compiler.compile('def g():\n'
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' a = 1\n'
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' def f(): return a + 2\n'
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' return f()\n'
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'result = g()',
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'<string>',
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'exec')
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dct = {}
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exec c in dct
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self.assertEqual(dct.get('result'), 3)
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def testGenExp(self):
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c = compiler.compile('list((i,j) for i in range(3) if i < 3'
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' for j in range(4) if j > 2)',
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'<string>',
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'eval')
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self.assertEqual(eval(c), [(0, 3), (1, 3), (2, 3)])
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def testSetLiteral(self):
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c = compiler.compile('{1, 2, 3}', '<string>', 'eval')
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self.assertEqual(eval(c), {1,2,3})
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c = compiler.compile('{1, 2, 3,}', '<string>', 'eval')
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self.assertEqual(eval(c), {1,2,3})
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def testDictLiteral(self):
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c = compiler.compile('{1:2, 2:3, 3:4}', '<string>', 'eval')
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self.assertEqual(eval(c), {1:2, 2:3, 3:4})
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c = compiler.compile('{1:2, 2:3, 3:4,}', '<string>', 'eval')
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self.assertEqual(eval(c), {1:2, 2:3, 3:4})
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def testSetComp(self):
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c = compiler.compile('{x for x in range(1, 4)}', '<string>', 'eval')
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self.assertEqual(eval(c), {1, 2, 3})
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c = compiler.compile('{x * y for x in range(3) if x != 0'
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' for y in range(4) if y != 0}',
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'<string>',
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'eval')
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self.assertEqual(eval(c), {1, 2, 3, 4, 6})
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def testDictComp(self):
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c = compiler.compile('{x:x+1 for x in range(1, 4)}', '<string>', 'eval')
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self.assertEqual(eval(c), {1:2, 2:3, 3:4})
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c = compiler.compile('{(x, y) : y for x in range(2) if x != 0'
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' for y in range(3) if y != 0}',
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'<string>',
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'eval')
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self.assertEqual(eval(c), {(1, 2): 2, (1, 1): 1})
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def testWith(self):
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# SF bug 1638243
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c = compiler.compile('from __future__ import with_statement\n'
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'def f():\n'
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' with TrivialContext():\n'
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' return 1\n'
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'result = f()',
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'<string>',
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'exec' )
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dct = {'TrivialContext': TrivialContext}
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exec c in dct
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self.assertEqual(dct.get('result'), 1)
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def testWithAss(self):
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c = compiler.compile('from __future__ import with_statement\n'
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'def f():\n'
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' with TrivialContext() as tc:\n'
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' return 1\n'
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'result = f()',
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'<string>',
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'exec' )
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dct = {'TrivialContext': TrivialContext}
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exec c in dct
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self.assertEqual(dct.get('result'), 1)
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def testWithMult(self):
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events = []
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class Ctx:
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def __init__(self, n):
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self.n = n
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def __enter__(self):
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events.append(self.n)
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def __exit__(self, *args):
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pass
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c = compiler.compile('from __future__ import with_statement\n'
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'def f():\n'
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' with Ctx(1) as tc, Ctx(2) as tc2:\n'
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' return 1\n'
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'result = f()',
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'<string>',
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'exec' )
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dct = {'Ctx': Ctx}
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exec c in dct
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self.assertEqual(dct.get('result'), 1)
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self.assertEqual(events, [1, 2])
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def testGlobal(self):
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code = compiler.compile('global x\nx=1', '<string>', 'exec')
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d1 = {'__builtins__': {}}
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d2 = {}
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exec code in d1, d2
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# x should be in the globals dict
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self.assertEqual(d1.get('x'), 1)
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def testPrintFunction(self):
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c = compiler.compile('from __future__ import print_function\n'
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'print("a", "b", sep="**", end="++", '
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'file=output)',
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'<string>',
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'exec' )
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dct = {'output': StringIO()}
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exec c in dct
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self.assertEqual(dct['output'].getvalue(), 'a**b++')
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def _testErrEnc(self, src, text, offset):
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try:
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compile(src, "", "exec")
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except SyntaxError, e:
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self.assertEqual(e.offset, offset)
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self.assertEqual(e.text, text)
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def testSourceCodeEncodingsError(self):
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# Test SyntaxError with encoding definition
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sjis = "print '\x83\x70\x83\x43\x83\x5c\x83\x93', '\n"
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ascii = "print '12345678', '\n"
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encdef = "#! -*- coding: ShiftJIS -*-\n"
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# ascii source without encdef
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self._testErrEnc(ascii, ascii, 19)
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# ascii source with encdef
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self._testErrEnc(encdef+ascii, ascii, 19)
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# non-ascii source with encdef
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self._testErrEnc(encdef+sjis, sjis, 19)
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# ShiftJIS source without encdef
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self._testErrEnc(sjis, sjis, 19)
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NOLINENO = (compiler.ast.Module, compiler.ast.Stmt, compiler.ast.Discard)
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###############################################################################
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# code below is just used to trigger some possible errors, for the benefit of
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# testLineNo
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###############################################################################
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class Toto:
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"""docstring"""
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pass
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a, b = 2, 3
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[c, d] = 5, 6
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l = [(x, y) for x, y in zip(range(5), range(5,10))]
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l[0]
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l[3:4]
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d = {'a': 2}
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d = {}
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d = {x: y for x, y in zip(range(5), range(5,10))}
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s = {x for x in range(10)}
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s = {1}
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t = ()
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t = (1, 2)
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l = []
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l = [1, 2]
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if l:
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pass
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else:
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a, b = b, a
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try:
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print yo
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except:
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yo = 3
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else:
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yo += 3
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try:
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a += b
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finally:
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b = 0
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from math import *
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###############################################################################
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def test_main():
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global TEST_ALL
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TEST_ALL = test.test_support.is_resource_enabled("cpu")
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test.test_support.run_unittest(CompilerTest)
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if __name__ == "__main__":
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test_main()
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