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Code Issues Projects Releases Packages Wiki Activity Actions 9

Issue #2333: Backport set and dict comprehensions syntax.

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This commit is contained in:
Alexandre Vassalotti 2010-01-11 22:36:12 +00:00
parent 0ca7452794
commit b646547bb4
26 changed files with 1296 additions and 352 deletions
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12
Lib/test/test_parser.py
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@ -76,9 +76,20 @@ class RoundtripLegalSyntaxTestCase(unittest.TestCase):
self.check_expr("[x**3 for x in range(20)]")
self.check_expr("[x**3 for x in range(20) if x % 3]")
self.check_expr("[x**3 for x in range(20) if x % 2 if x % 3]")
self.check_expr("[x+y for x in range(30) for y in range(20) if x % 2 if y % 3]")
#self.check_expr("[x for x in lambda: True, lambda: False if x()]")
self.check_expr("list(x**3 for x in range(20))")
self.check_expr("list(x**3 for x in range(20) if x % 3)")
self.check_expr("list(x**3 for x in range(20) if x % 2 if x % 3)")
self.check_expr("list(x+y for x in range(30) for y in range(20) if x % 2 if y % 3)")
self.check_expr("{x**3 for x in range(30)}")
self.check_expr("{x**3 for x in range(30) if x % 3}")
self.check_expr("{x**3 for x in range(30) if x % 2 if x % 3}")
self.check_expr("{x+y for x in range(30) for y in range(20) if x % 2 if y % 3}")
self.check_expr("{x**3: y**2 for x, y in zip(range(30), range(30))}")
self.check_expr("{x**3: y**2 for x, y in zip(range(30), range(30)) if x % 3}")
self.check_expr("{x**3: y**2 for x, y in zip(range(30), range(30)) if x % 3 if y % 3}")
self.check_expr("{x:y for x in range(30) for y in range(20) if x % 2 if y % 3}")
self.check_expr("foo(*args)")
self.check_expr("foo(*args, **kw)")
self.check_expr("foo(**kw)")
@ -107,6 +118,7 @@ class RoundtripLegalSyntaxTestCase(unittest.TestCase):
self.check_expr("lambda foo=bar, blaz=blat+2, **z: 0")
self.check_expr("lambda foo=bar, blaz=blat+2, *y, **z: 0")
self.check_expr("lambda x, *y, **z: 0")
self.check_expr("lambda x: 5 if x else 2")
self.check_expr("(x for x in range(10))")
self.check_expr("foo(x for x in range(10))")