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PEP 3107 - Function Annotations thanks to Tony Lownds

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This commit is contained in:
Neal Norwitz 2006-12-28 06:47:50 +00:00
parent f6657e67b3
commit c150536b5e
32 changed files with 2855 additions and 1897 deletions
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48
Lib/test/test_grammar.py
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@ -138,16 +138,22 @@ class GrammarTests(unittest.TestCase):
x = eval('1, 0 or 1')
def testFuncdef(self):
### 'def' NAME parameters ':' suite
### parameters: '(' [varargslist] ')'
### varargslist: (fpdef ['=' test] ',')*
### ('*' (NAME|',' fpdef ['=' test]) [',' ('**'|'*' '*') NAME]
### | ('**'|'*' '*') NAME)
### | fpdef ['=' test] (',' fpdef ['=' test])* [',']
### fpdef: NAME | '(' fplist ')'
### fplist: fpdef (',' fpdef)* [',']
### arglist: (argument ',')* (argument | *' test [',' '**' test] | '**' test)
### argument: [test '='] test # Really [keyword '='] test
### [decorators] 'def' NAME parameters ['->' test] ':' suite
### decorator: '@' dotted_name [ '(' [arglist] ')' ] NEWLINE
### decorators: decorator+
### parameters: '(' [typedargslist] ')'
### typedargslist: ((tfpdef ['=' test] ',')*
### ('*' [tname] (',' tname ['=' test])* [',' '**' tname] | '**' tname)
### | tfpdef ['=' test] (',' tfpdef ['=' test])* [','])
### tname: NAME [':' test]
### tfpdef: tname | '(' tfplist ')'
### tfplist: tfpdef (',' tfpdef)* [',']
### varargslist: ((vfpdef ['=' test] ',')*
### ('*' [vname] (',' vname ['=' test])* [',' '**' vname] | '**' vname)
### | vfpdef ['=' test] (',' vfpdef ['=' test])* [','])
### vname: NAME
### vfpdef: vname | '(' vfplist ')'
### vfplist: vfpdef (',' vfpdef)* [',']
def f1(): pass
f1()
f1(*())
@ -294,6 +300,28 @@ class GrammarTests(unittest.TestCase):
pos2key2dict(1,2,k2=100,tokwarg1=100,tokwarg2=200)
pos2key2dict(1,2,tokwarg1=100,tokwarg2=200, k2=100)
# argument annotation tests
def f(x) -> list: pass
self.assertEquals(f.func_annotations, {'return': list})
def f(x:int): pass
self.assertEquals(f.func_annotations, {'x': int})
def f(*x:str): pass
self.assertEquals(f.func_annotations, {'x': str})
def f(**x:float): pass
self.assertEquals(f.func_annotations, {'x': float})
def f(x, y:1+2): pass
self.assertEquals(f.func_annotations, {'y': 3})
def f(a, (b:1, c:2, d)): pass
self.assertEquals(f.func_annotations, {'b': 1, 'c': 2})
def f(a, (b:1, c:2, d), e:3=4, f=5, *g:6): pass
self.assertEquals(f.func_annotations,
{'b': 1, 'c': 2, 'e': 3, 'g': 6})
def f(a, (b:1, c:2, d), e:3=4, f=5, *g:6, h:7, i=8, j:9=10,
**k:11) -> 12: pass
self.assertEquals(f.func_annotations,
{'b': 1, 'c': 2, 'e': 3, 'g': 6, 'h': 7, 'j': 9,
'k': 11, 'return': 12})
def testLambdef(self):
### lambdef: 'lambda' [varargslist] ':' test
l1 = lambda : 0