diff options
Diffstat (limited to 'Lib/test/test_ast.py')
| -rw-r--r-- | Lib/test/test_ast.py | 1651 |
1 files changed, 156 insertions, 1495 deletions
diff --git a/Lib/test/test_ast.py b/Lib/test/test_ast.py index ca75a4a..3cfe618 100644 --- a/Lib/test/test_ast.py +++ b/Lib/test/test_ast.py @@ -1,16 +1,9 @@ +import sys, itertools, unittest +from test import test_support import ast -import dis -import os -import sys -import unittest -import warnings -import weakref -from textwrap import dedent - -from test import support def to_tuple(t): - if t is None or isinstance(t, (str, int, complex)): + if t is None or isinstance(t, (basestring, int, long, complex)): return t elif isinstance(t, list): return [to_tuple(e) for e in t] @@ -29,12 +22,8 @@ def to_tuple(t): exec_tests = [ # None "None", - # Module docstring - "'module docstring'", # FunctionDef "def f(): pass", - # FunctionDef with docstring - "def f(): 'function docstring'", # FunctionDef with arg "def f(a): pass", # FunctionDef with arg and default value @@ -43,12 +32,10 @@ exec_tests = [ "def f(*args): pass", # FunctionDef with kwargs "def f(**kwargs): pass", - # FunctionDef with all kind of args and docstring - "def f(a, b=1, c=None, d=[], e={}, *args, f=42, **kwargs): 'doc for f()'", + # FunctionDef with all kind of args + "def f(a, b=1, c=None, d=[], e={}, *args, **kwargs): pass", # ClassDef "class C:pass", - # ClassDef with docstring - "class C: 'docstring for class C'", # ClassDef, new style class "class C(object): pass", # Return @@ -57,22 +44,18 @@ exec_tests = [ "del v", # Assign "v = 1", - "a,b = c", - "(a,b) = c", - "[a,b] = c", # AugAssign "v += 1", + # Print + "print >>f, 1, ", # For "for v in v:pass", # While "while v:pass", # If "if v:pass", - # With - "with x as y: pass", - "with x as y, z as q: pass", # Raise - "raise Exception('string')", + "raise Exception, 'string'", # TryExcept "try:\n pass\nexcept Exception:\n pass", # TryFinally @@ -83,6 +66,8 @@ exec_tests = [ "import sys", # ImportFrom "from sys import v", + # Exec + "exec 'v'", # Global "global v", # Expr @@ -90,13 +75,14 @@ exec_tests = [ # Pass, "pass", # Break - "for v in v:break", + "break", # Continue - "for v in v:continue", + "continue", # for statements with naked tuples (see http://bugs.python.org/issue6704) "for a,b in c: pass", - "for (a,b) in c: pass", - "for [a,b] in c: pass", + "[(a,b) for a,b in c]", + "((a,b) for a,b in c)", + "((a,b) for (a,b) in c)", # Multiline generator expression (test for .lineno & .col_offset) """( ( @@ -117,40 +103,12 @@ exec_tests = [ "{r for l in x if g}", # setcomp with naked tuple "{r for l,m in x}", - # AsyncFunctionDef - "async def f():\n 'async function'\n await something()", - # AsyncFor - "async def f():\n async for e in i: 1\n else: 2", - # AsyncWith - "async def f():\n async with a as b: 1", - # PEP 448: Additional Unpacking Generalizations - "{**{1:2}, 2:3}", - "{*{1, 2}, 3}", - # Asynchronous comprehensions - "async def f():\n [i async for b in c]", # Decorated FunctionDef "@deco1\n@deco2()\n@deco3(1)\ndef f(): pass", - # Decorated AsyncFunctionDef - "@deco1\n@deco2()\n@deco3(1)\nasync def f(): pass", # Decorated ClassDef "@deco1\n@deco2()\n@deco3(1)\nclass C: pass", # Decorator with generator argument "@deco(a for a in b)\ndef f(): pass", - # Simple assignment expression - "(a := 1)", - # Positional-only arguments - "def f(a, /,): pass", - "def f(a, /, c, d, e): pass", - "def f(a, /, c, *, d, e): pass", - "def f(a, /, c, *, d, e, **kwargs): pass", - # Positional-only arguments with defaults - "def f(a=1, /,): pass", - "def f(a=1, /, b=2, c=4): pass", - "def f(a=1, /, b=2, *, c=4): pass", - "def f(a=1, /, b=2, *, c): pass", - "def f(a=1, /, b=2, *, c=4, **kwargs): pass", - "def f(a=1, /, b=2, *, c, **kwargs): pass", - ] # These are compiled through "single" @@ -189,26 +147,16 @@ eval_tests = [ "[a for b in c if d]", # GeneratorExp "(a for b in c if d)", - # Comprehensions with multiple for targets - "[(a,b) for a,b in c]", - "[(a,b) for (a,b) in c]", - "[(a,b) for [a,b] in c]", - "{(a,b) for a,b in c}", - "{(a,b) for (a,b) in c}", - "{(a,b) for [a,b] in c}", - "((a,b) for a,b in c)", - "((a,b) for (a,b) in c)", - "((a,b) for [a,b] in c)", # Yield - yield expressions can't work outside a function # # Compare "1 < 2 < 3", # Call "f(1,2,c=3,*d,**e)", - # Call with a generator argument - "f(a for a in b)", + # Repr + "`v`", # Num - "10", + "10L", # Str "'string'", # Attribute @@ -242,68 +190,48 @@ class AST_Tests(unittest.TestCase): return if isinstance(ast_node, (ast.expr, ast.stmt, ast.excepthandler)): node_pos = (ast_node.lineno, ast_node.col_offset) - self.assertGreaterEqual(node_pos, parent_pos) + self.assertTrue(node_pos >= parent_pos) parent_pos = (ast_node.lineno, ast_node.col_offset) for name in ast_node._fields: value = getattr(ast_node, name) if isinstance(value, list): - first_pos = parent_pos - if value and name == 'decorator_list': - first_pos = (value[0].lineno, value[0].col_offset) for child in value: - self._assertTrueorder(child, first_pos) + self._assertTrueorder(child, parent_pos) elif value is not None: self._assertTrueorder(value, parent_pos) def test_AST_objects(self): x = ast.AST() self.assertEqual(x._fields, ()) - x.foobar = 42 - self.assertEqual(x.foobar, 42) - self.assertEqual(x.__dict__["foobar"], 42) with self.assertRaises(AttributeError): x.vararg + with self.assertRaises(AttributeError): + x.foobar = 21 + + with self.assertRaises(AttributeError): + ast.AST(lineno=2) + with self.assertRaises(TypeError): # "_ast.AST constructor takes 0 positional arguments" ast.AST(2) - def test_AST_garbage_collection(self): - class X: - pass - a = ast.AST() - a.x = X() - a.x.a = a - ref = weakref.ref(a.x) - del a - support.gc_collect() - self.assertIsNone(ref()) - def test_snippets(self): for input, output, kind in ((exec_tests, exec_results, "exec"), (single_tests, single_results, "single"), (eval_tests, eval_results, "eval")): - for i, o in zip(input, output): - with self.subTest(action="parsing", input=i): - ast_tree = compile(i, "?", kind, ast.PyCF_ONLY_AST) - self.assertEqual(to_tuple(ast_tree), o) - self._assertTrueorder(ast_tree, (0, 0)) - with self.subTest(action="compiling", input=i, kind=kind): - compile(ast_tree, "?", kind) - - def test_ast_validation(self): - # compile() is the only function that calls PyAST_Validate - snippets_to_validate = exec_tests + single_tests + eval_tests - for snippet in snippets_to_validate: - tree = ast.parse(snippet) - compile(tree, '<string>', 'exec') + for i, o in itertools.izip(input, output): + ast_tree = compile(i, "?", kind, ast.PyCF_ONLY_AST) + self.assertEqual(to_tuple(ast_tree), o) + self._assertTrueorder(ast_tree, (0, 0)) def test_slice(self): slc = ast.parse("x[::]").body[0].value.slice self.assertIsNone(slc.upper) self.assertIsNone(slc.lower) - self.assertIsNone(slc.step) + self.assertIsInstance(slc.step, ast.Name) + self.assertEqual(slc.step.id, "None") def test_from_import(self): im = ast.parse("from . import y").body[0] @@ -324,7 +252,7 @@ class AST_Tests(unittest.TestCase): self.assertTrue(issubclass(ast.Gt, ast.AST)) def test_field_attr_existence(self): - for name, item in ast.__dict__.items(): + for name, item in ast.__dict__.iteritems(): if isinstance(item, type) and name != 'AST' and name[0].isupper(): x = item() if isinstance(x, ast.AST): @@ -332,14 +260,13 @@ class AST_Tests(unittest.TestCase): def test_arguments(self): x = ast.arguments() - self.assertEqual(x._fields, ('posonlyargs', 'args', 'vararg', 'kwonlyargs', - 'kw_defaults', 'kwarg', 'defaults')) + self.assertEqual(x._fields, ('args', 'vararg', 'kwarg', 'defaults')) with self.assertRaises(AttributeError): x.vararg - x = ast.arguments(*range(1, 8)) - self.assertEqual(x.vararg, 3) + x = ast.arguments(1, 2, 3, 4) + self.assertEqual(x.vararg, 2) def test_field_attr_writable(self): x = ast.Num() @@ -349,16 +276,12 @@ class AST_Tests(unittest.TestCase): def test_classattrs(self): x = ast.Num() - self.assertEqual(x._fields, ('value', 'kind')) - - with self.assertRaises(AttributeError): - x.value + self.assertEqual(x._fields, ('n',)) with self.assertRaises(AttributeError): x.n x = ast.Num(42) - self.assertEqual(x.value, 42) self.assertEqual(x.n, 42) with self.assertRaises(AttributeError): @@ -372,117 +295,19 @@ class AST_Tests(unittest.TestCase): x = ast.Num(42, lineno=0) self.assertEqual(x.lineno, 0) - self.assertEqual(x._fields, ('value', 'kind')) - self.assertEqual(x.value, 42) + self.assertEqual(x._fields, ('n',)) self.assertEqual(x.n, 42) - self.assertRaises(TypeError, ast.Num, 1, None, 2) - self.assertRaises(TypeError, ast.Num, 1, None, 2, lineno=0) - - self.assertEqual(ast.Num(42).n, 42) - self.assertEqual(ast.Num(4.25).n, 4.25) - self.assertEqual(ast.Num(4.25j).n, 4.25j) - self.assertEqual(ast.Str('42').s, '42') - self.assertEqual(ast.Bytes(b'42').s, b'42') - self.assertIs(ast.NameConstant(True).value, True) - self.assertIs(ast.NameConstant(False).value, False) - self.assertIs(ast.NameConstant(None).value, None) - - self.assertEqual(ast.Constant(42).value, 42) - self.assertEqual(ast.Constant(4.25).value, 4.25) - self.assertEqual(ast.Constant(4.25j).value, 4.25j) - self.assertEqual(ast.Constant('42').value, '42') - self.assertEqual(ast.Constant(b'42').value, b'42') - self.assertIs(ast.Constant(True).value, True) - self.assertIs(ast.Constant(False).value, False) - self.assertIs(ast.Constant(None).value, None) - self.assertIs(ast.Constant(...).value, ...) - - def test_realtype(self): - self.assertEqual(type(ast.Num(42)), ast.Constant) - self.assertEqual(type(ast.Num(4.25)), ast.Constant) - self.assertEqual(type(ast.Num(4.25j)), ast.Constant) - self.assertEqual(type(ast.Str('42')), ast.Constant) - self.assertEqual(type(ast.Bytes(b'42')), ast.Constant) - self.assertEqual(type(ast.NameConstant(True)), ast.Constant) - self.assertEqual(type(ast.NameConstant(False)), ast.Constant) - self.assertEqual(type(ast.NameConstant(None)), ast.Constant) - self.assertEqual(type(ast.Ellipsis()), ast.Constant) - - def test_isinstance(self): - self.assertTrue(isinstance(ast.Num(42), ast.Num)) - self.assertTrue(isinstance(ast.Num(4.2), ast.Num)) - self.assertTrue(isinstance(ast.Num(4.2j), ast.Num)) - self.assertTrue(isinstance(ast.Str('42'), ast.Str)) - self.assertTrue(isinstance(ast.Bytes(b'42'), ast.Bytes)) - self.assertTrue(isinstance(ast.NameConstant(True), ast.NameConstant)) - self.assertTrue(isinstance(ast.NameConstant(False), ast.NameConstant)) - self.assertTrue(isinstance(ast.NameConstant(None), ast.NameConstant)) - self.assertTrue(isinstance(ast.Ellipsis(), ast.Ellipsis)) - - self.assertTrue(isinstance(ast.Constant(42), ast.Num)) - self.assertTrue(isinstance(ast.Constant(4.2), ast.Num)) - self.assertTrue(isinstance(ast.Constant(4.2j), ast.Num)) - self.assertTrue(isinstance(ast.Constant('42'), ast.Str)) - self.assertTrue(isinstance(ast.Constant(b'42'), ast.Bytes)) - self.assertTrue(isinstance(ast.Constant(True), ast.NameConstant)) - self.assertTrue(isinstance(ast.Constant(False), ast.NameConstant)) - self.assertTrue(isinstance(ast.Constant(None), ast.NameConstant)) - self.assertTrue(isinstance(ast.Constant(...), ast.Ellipsis)) - - self.assertFalse(isinstance(ast.Str('42'), ast.Num)) - self.assertFalse(isinstance(ast.Num(42), ast.Str)) - self.assertFalse(isinstance(ast.Str('42'), ast.Bytes)) - self.assertFalse(isinstance(ast.Num(42), ast.NameConstant)) - self.assertFalse(isinstance(ast.Num(42), ast.Ellipsis)) - self.assertFalse(isinstance(ast.NameConstant(True), ast.Num)) - self.assertFalse(isinstance(ast.NameConstant(False), ast.Num)) - - self.assertFalse(isinstance(ast.Constant('42'), ast.Num)) - self.assertFalse(isinstance(ast.Constant(42), ast.Str)) - self.assertFalse(isinstance(ast.Constant('42'), ast.Bytes)) - self.assertFalse(isinstance(ast.Constant(42), ast.NameConstant)) - self.assertFalse(isinstance(ast.Constant(42), ast.Ellipsis)) - self.assertFalse(isinstance(ast.Constant(True), ast.Num)) - self.assertFalse(isinstance(ast.Constant(False), ast.Num)) - - self.assertFalse(isinstance(ast.Constant(), ast.Num)) - self.assertFalse(isinstance(ast.Constant(), ast.Str)) - self.assertFalse(isinstance(ast.Constant(), ast.Bytes)) - self.assertFalse(isinstance(ast.Constant(), ast.NameConstant)) - self.assertFalse(isinstance(ast.Constant(), ast.Ellipsis)) - - class S(str): pass - self.assertTrue(isinstance(ast.Constant(S('42')), ast.Str)) - self.assertFalse(isinstance(ast.Constant(S('42')), ast.Num)) - - def test_subclasses(self): - class N(ast.Num): - def __init__(self, *args, **kwargs): - super().__init__(*args, **kwargs) - self.z = 'spam' - class N2(ast.Num): - pass - - n = N(42) - self.assertEqual(n.n, 42) - self.assertEqual(n.z, 'spam') - self.assertEqual(type(n), N) - self.assertTrue(isinstance(n, N)) - self.assertTrue(isinstance(n, ast.Num)) - self.assertFalse(isinstance(n, N2)) - self.assertFalse(isinstance(ast.Num(42), N)) - n = N(n=42) - self.assertEqual(n.n, 42) - self.assertEqual(type(n), N) + self.assertRaises(TypeError, ast.Num, 1, 2) + self.assertRaises(TypeError, ast.Num, 1, 2, lineno=0) def test_module(self): body = [ast.Num(42)] - x = ast.Module(body, []) + x = ast.Module(body) self.assertEqual(x.body, body) def test_nodeclasses(self): - # Zero arguments constructor explicitly allowed + # Zero arguments constructor explicitely allowed x = ast.BinOp() self.assertEqual(x._fields, ('left', 'op', 'right')) @@ -509,8 +334,12 @@ class AST_Tests(unittest.TestCase): self.assertEqual(x.right, 3) self.assertEqual(x.lineno, 0) + # node raises exception when not given enough arguments + self.assertRaises(TypeError, ast.BinOp, 1, 2) # node raises exception when given too many arguments self.assertRaises(TypeError, ast.BinOp, 1, 2, 3, 4) + # node raises exception when not given enough arguments + self.assertRaises(TypeError, ast.BinOp, 1, 2, lineno=0) # node raises exception when given too many arguments self.assertRaises(TypeError, ast.BinOp, 1, 2, 3, 4, lineno=0) @@ -545,1264 +374,129 @@ class AST_Tests(unittest.TestCase): ast2 = mod.loads(mod.dumps(ast, protocol)) self.assertEqual(to_tuple(ast2), to_tuple(ast)) - def test_invalid_sum(self): - pos = dict(lineno=2, col_offset=3) - m = ast.Module([ast.Expr(ast.expr(**pos), **pos)], []) + def test_invalid_identitifer(self): + m = ast.Module([ast.Expr(ast.Name(u"x", ast.Load()))]) + ast.fix_missing_locations(m) with self.assertRaises(TypeError) as cm: compile(m, "<test>", "exec") - self.assertIn("but got <_ast.expr", str(cm.exception)) + self.assertIn("identifier must be of type str", str(cm.exception)) - def test_invalid_identifier(self): - m = ast.Module([ast.Expr(ast.Name(42, ast.Load()))], []) + def test_invalid_string(self): + m = ast.Module([ast.Expr(ast.Str(43))]) ast.fix_missing_locations(m) with self.assertRaises(TypeError) as cm: compile(m, "<test>", "exec") - self.assertIn("identifier must be of type str", str(cm.exception)) - - def test_empty_yield_from(self): - # Issue 16546: yield from value is not optional. - empty_yield_from = ast.parse("def f():\n yield from g()") - empty_yield_from.body[0].body[0].value.value = None - with self.assertRaises(ValueError) as cm: - compile(empty_yield_from, "<test>", "exec") - self.assertIn("field value is required", str(cm.exception)) - - @support.cpython_only - def test_issue31592(self): - # There shouldn't be an assertion failure in case of a bad - # unicodedata.normalize(). - import unicodedata - def bad_normalize(*args): - return None - with support.swap_attr(unicodedata, 'normalize', bad_normalize): - self.assertRaises(TypeError, ast.parse, '\u03D5') - - def test_issue18374_binop_col_offset(self): - tree = ast.parse('4+5+6+7') - parent_binop = tree.body[0].value - child_binop = parent_binop.left - grandchild_binop = child_binop.left - self.assertEqual(parent_binop.col_offset, 0) - self.assertEqual(parent_binop.end_col_offset, 7) - self.assertEqual(child_binop.col_offset, 0) - self.assertEqual(child_binop.end_col_offset, 5) - self.assertEqual(grandchild_binop.col_offset, 0) - self.assertEqual(grandchild_binop.end_col_offset, 3) - - tree = ast.parse('4+5-\\\n 6-7') - parent_binop = tree.body[0].value - child_binop = parent_binop.left - grandchild_binop = child_binop.left - self.assertEqual(parent_binop.col_offset, 0) - self.assertEqual(parent_binop.lineno, 1) - self.assertEqual(parent_binop.end_col_offset, 4) - self.assertEqual(parent_binop.end_lineno, 2) + self.assertIn("string must be of type str or uni", str(cm.exception)) - self.assertEqual(child_binop.col_offset, 0) - self.assertEqual(child_binop.lineno, 1) - self.assertEqual(child_binop.end_col_offset, 2) - self.assertEqual(child_binop.end_lineno, 2) - - self.assertEqual(grandchild_binop.col_offset, 0) - self.assertEqual(grandchild_binop.lineno, 1) - self.assertEqual(grandchild_binop.end_col_offset, 3) - self.assertEqual(grandchild_binop.end_lineno, 1) class ASTHelpers_Test(unittest.TestCase): - maxDiff = None def test_parse(self): a = ast.parse('foo(1 + 1)') b = compile('foo(1 + 1)', '<unknown>', 'exec', ast.PyCF_ONLY_AST) self.assertEqual(ast.dump(a), ast.dump(b)) - def test_parse_in_error(self): - try: - 1/0 - except Exception: - with self.assertRaises(SyntaxError) as e: - ast.literal_eval(r"'\U'") - self.assertIsNotNone(e.exception.__context__) - def test_dump(self): node = ast.parse('spam(eggs, "and cheese")') self.assertEqual(ast.dump(node), "Module(body=[Expr(value=Call(func=Name(id='spam', ctx=Load()), " - "args=[Name(id='eggs', ctx=Load()), Constant(value='and cheese', kind=None)], " - "keywords=[]))], type_ignores=[])" + "args=[Name(id='eggs', ctx=Load()), Str(s='and cheese')], " + "keywords=[], starargs=None, kwargs=None))])" ) self.assertEqual(ast.dump(node, annotate_fields=False), "Module([Expr(Call(Name('spam', Load()), [Name('eggs', Load()), " - "Constant('and cheese', None)], []))], [])" + "Str('and cheese')], [], None, None))])" ) self.assertEqual(ast.dump(node, include_attributes=True), "Module(body=[Expr(value=Call(func=Name(id='spam', ctx=Load(), " - "lineno=1, col_offset=0, end_lineno=1, end_col_offset=4), " - "args=[Name(id='eggs', ctx=Load(), lineno=1, col_offset=5, " - "end_lineno=1, end_col_offset=9), Constant(value='and cheese', kind=None, " - "lineno=1, col_offset=11, end_lineno=1, end_col_offset=23)], keywords=[], " - "lineno=1, col_offset=0, end_lineno=1, end_col_offset=24), " - "lineno=1, col_offset=0, end_lineno=1, end_col_offset=24)], type_ignores=[])" - ) - - def test_dump_indent(self): - node = ast.parse('spam(eggs, "and cheese")') - self.assertEqual(ast.dump(node, indent=3), """\ -Module( - body=[ - Expr( - value=Call( - func=Name(id='spam', ctx=Load()), - args=[ - Name(id='eggs', ctx=Load()), - Constant(value='and cheese', kind=None)], - keywords=[]))], - type_ignores=[])""") - self.assertEqual(ast.dump(node, annotate_fields=False, indent='\t'), """\ -Module( -\t[ -\t\tExpr( -\t\t\tCall( -\t\t\t\tName('spam', Load()), -\t\t\t\t[ -\t\t\t\t\tName('eggs', Load()), -\t\t\t\t\tConstant('and cheese', None)], -\t\t\t\t[]))], -\t[])""") - self.assertEqual(ast.dump(node, include_attributes=True, indent=3), """\ -Module( - body=[ - Expr( - value=Call( - func=Name( - id='spam', - ctx=Load(), - lineno=1, - col_offset=0, - end_lineno=1, - end_col_offset=4), - args=[ - Name( - id='eggs', - ctx=Load(), - lineno=1, - col_offset=5, - end_lineno=1, - end_col_offset=9), - Constant( - value='and cheese', - kind=None, - lineno=1, - col_offset=11, - end_lineno=1, - end_col_offset=23)], - keywords=[], - lineno=1, - col_offset=0, - end_lineno=1, - end_col_offset=24), - lineno=1, - col_offset=0, - end_lineno=1, - end_col_offset=24)], - type_ignores=[])""") - - def test_dump_incomplete(self): - node = ast.Raise(lineno=3, col_offset=4) - self.assertEqual(ast.dump(node), - "Raise()" - ) - self.assertEqual(ast.dump(node, include_attributes=True), - "Raise(lineno=3, col_offset=4)" - ) - node = ast.Raise(exc=ast.Name(id='e', ctx=ast.Load()), lineno=3, col_offset=4) - self.assertEqual(ast.dump(node), - "Raise(exc=Name(id='e', ctx=Load()))" - ) - self.assertEqual(ast.dump(node, annotate_fields=False), - "Raise(Name('e', Load()))" - ) - self.assertEqual(ast.dump(node, include_attributes=True), - "Raise(exc=Name(id='e', ctx=Load()), lineno=3, col_offset=4)" - ) - self.assertEqual(ast.dump(node, annotate_fields=False, include_attributes=True), - "Raise(Name('e', Load()), lineno=3, col_offset=4)" - ) - node = ast.Raise(cause=ast.Name(id='e', ctx=ast.Load())) - self.assertEqual(ast.dump(node), - "Raise(cause=Name(id='e', ctx=Load()))" - ) - self.assertEqual(ast.dump(node, annotate_fields=False), - "Raise(cause=Name('e', Load()))" + "lineno=1, col_offset=0), args=[Name(id='eggs', ctx=Load(), " + "lineno=1, col_offset=5), Str(s='and cheese', lineno=1, " + "col_offset=11)], keywords=[], starargs=None, kwargs=None, " + "lineno=1, col_offset=0), lineno=1, col_offset=0)])" ) def test_copy_location(self): src = ast.parse('1 + 1', mode='eval') src.body.right = ast.copy_location(ast.Num(2), src.body.right) self.assertEqual(ast.dump(src, include_attributes=True), - 'Expression(body=BinOp(left=Constant(value=1, kind=None, lineno=1, col_offset=0, ' - 'end_lineno=1, end_col_offset=1), op=Add(), right=Constant(value=2, ' - 'lineno=1, col_offset=4, end_lineno=1, end_col_offset=5), lineno=1, ' - 'col_offset=0, end_lineno=1, end_col_offset=5))' + 'Expression(body=BinOp(left=Num(n=1, lineno=1, col_offset=0), ' + 'op=Add(), right=Num(n=2, lineno=1, col_offset=4), lineno=1, ' + 'col_offset=0))' ) def test_fix_missing_locations(self): src = ast.parse('write("spam")') src.body.append(ast.Expr(ast.Call(ast.Name('spam', ast.Load()), - [ast.Str('eggs')], []))) + [ast.Str('eggs')], [], None, None))) self.assertEqual(src, ast.fix_missing_locations(src)) - self.maxDiff = None self.assertEqual(ast.dump(src, include_attributes=True), "Module(body=[Expr(value=Call(func=Name(id='write', ctx=Load(), " - "lineno=1, col_offset=0, end_lineno=1, end_col_offset=5), " - "args=[Constant(value='spam', kind=None, lineno=1, col_offset=6, end_lineno=1, " - "end_col_offset=12)], keywords=[], lineno=1, col_offset=0, end_lineno=1, " - "end_col_offset=13), lineno=1, col_offset=0, end_lineno=1, " - "end_col_offset=13), Expr(value=Call(func=Name(id='spam', ctx=Load(), " - "lineno=1, col_offset=0, end_lineno=1, end_col_offset=0), " - "args=[Constant(value='eggs', lineno=1, col_offset=0, end_lineno=1, " - "end_col_offset=0)], keywords=[], lineno=1, col_offset=0, end_lineno=1, " - "end_col_offset=0), lineno=1, col_offset=0, end_lineno=1, end_col_offset=0)], " - "type_ignores=[])" + "lineno=1, col_offset=0), args=[Str(s='spam', lineno=1, " + "col_offset=6)], keywords=[], starargs=None, kwargs=None, " + "lineno=1, col_offset=0), lineno=1, col_offset=0), " + "Expr(value=Call(func=Name(id='spam', ctx=Load(), lineno=1, " + "col_offset=0), args=[Str(s='eggs', lineno=1, col_offset=0)], " + "keywords=[], starargs=None, kwargs=None, lineno=1, " + "col_offset=0), lineno=1, col_offset=0)])" ) def test_increment_lineno(self): src = ast.parse('1 + 1', mode='eval') self.assertEqual(ast.increment_lineno(src, n=3), src) self.assertEqual(ast.dump(src, include_attributes=True), - 'Expression(body=BinOp(left=Constant(value=1, kind=None, lineno=4, col_offset=0, ' - 'end_lineno=4, end_col_offset=1), op=Add(), right=Constant(value=1, kind=None, ' - 'lineno=4, col_offset=4, end_lineno=4, end_col_offset=5), lineno=4, ' - 'col_offset=0, end_lineno=4, end_col_offset=5))' + 'Expression(body=BinOp(left=Num(n=1, lineno=4, col_offset=0), ' + 'op=Add(), right=Num(n=1, lineno=4, col_offset=4), lineno=4, ' + 'col_offset=0))' ) # issue10869: do not increment lineno of root twice src = ast.parse('1 + 1', mode='eval') self.assertEqual(ast.increment_lineno(src.body, n=3), src.body) self.assertEqual(ast.dump(src, include_attributes=True), - 'Expression(body=BinOp(left=Constant(value=1, kind=None, lineno=4, col_offset=0, ' - 'end_lineno=4, end_col_offset=1), op=Add(), right=Constant(value=1, kind=None, ' - 'lineno=4, col_offset=4, end_lineno=4, end_col_offset=5), lineno=4, ' - 'col_offset=0, end_lineno=4, end_col_offset=5))' + 'Expression(body=BinOp(left=Num(n=1, lineno=4, col_offset=0), ' + 'op=Add(), right=Num(n=1, lineno=4, col_offset=4), lineno=4, ' + 'col_offset=0))' ) def test_iter_fields(self): node = ast.parse('foo()', mode='eval') d = dict(ast.iter_fields(node.body)) self.assertEqual(d.pop('func').id, 'foo') - self.assertEqual(d, {'keywords': [], 'args': []}) + self.assertEqual(d, {'keywords': [], 'kwargs': None, + 'args': [], 'starargs': None}) def test_iter_child_nodes(self): node = ast.parse("spam(23, 42, eggs='leek')", mode='eval') self.assertEqual(len(list(ast.iter_child_nodes(node.body))), 4) iterator = ast.iter_child_nodes(node.body) self.assertEqual(next(iterator).id, 'spam') - self.assertEqual(next(iterator).value, 23) - self.assertEqual(next(iterator).value, 42) + self.assertEqual(next(iterator).n, 23) + self.assertEqual(next(iterator).n, 42) self.assertEqual(ast.dump(next(iterator)), - "keyword(arg='eggs', value=Constant(value='leek', kind=None))" + "keyword(arg='eggs', value=Str(s='leek'))" ) def test_get_docstring(self): - node = ast.parse('"""line one\n line two"""') - self.assertEqual(ast.get_docstring(node), - 'line one\nline two') - - node = ast.parse('class foo:\n """line one\n line two"""') - self.assertEqual(ast.get_docstring(node.body[0]), - 'line one\nline two') - node = ast.parse('def foo():\n """line one\n line two"""') self.assertEqual(ast.get_docstring(node.body[0]), 'line one\nline two') - node = ast.parse('async def foo():\n """spam\n ham"""') - self.assertEqual(ast.get_docstring(node.body[0]), 'spam\nham') - - def test_get_docstring_none(self): - self.assertIsNone(ast.get_docstring(ast.parse(''))) - node = ast.parse('x = "not docstring"') - self.assertIsNone(ast.get_docstring(node)) - node = ast.parse('def foo():\n pass') - self.assertIsNone(ast.get_docstring(node)) - - node = ast.parse('class foo:\n pass') - self.assertIsNone(ast.get_docstring(node.body[0])) - node = ast.parse('class foo:\n x = "not docstring"') - self.assertIsNone(ast.get_docstring(node.body[0])) - node = ast.parse('class foo:\n def bar(self): pass') - self.assertIsNone(ast.get_docstring(node.body[0])) - - node = ast.parse('def foo():\n pass') - self.assertIsNone(ast.get_docstring(node.body[0])) - node = ast.parse('def foo():\n x = "not docstring"') - self.assertIsNone(ast.get_docstring(node.body[0])) - - node = ast.parse('async def foo():\n pass') - self.assertIsNone(ast.get_docstring(node.body[0])) - node = ast.parse('async def foo():\n x = "not docstring"') - self.assertIsNone(ast.get_docstring(node.body[0])) - - def test_multi_line_docstring_col_offset_and_lineno_issue16806(self): - node = ast.parse( - '"""line one\nline two"""\n\n' - 'def foo():\n """line one\n line two"""\n\n' - ' def bar():\n """line one\n line two"""\n' - ' """line one\n line two"""\n' - '"""line one\nline two"""\n\n' - ) - self.assertEqual(node.body[0].col_offset, 0) - self.assertEqual(node.body[0].lineno, 1) - self.assertEqual(node.body[1].body[0].col_offset, 2) - self.assertEqual(node.body[1].body[0].lineno, 5) - self.assertEqual(node.body[1].body[1].body[0].col_offset, 4) - self.assertEqual(node.body[1].body[1].body[0].lineno, 9) - self.assertEqual(node.body[1].body[2].col_offset, 2) - self.assertEqual(node.body[1].body[2].lineno, 11) - self.assertEqual(node.body[2].col_offset, 0) - self.assertEqual(node.body[2].lineno, 13) - def test_literal_eval(self): self.assertEqual(ast.literal_eval('[1, 2, 3]'), [1, 2, 3]) self.assertEqual(ast.literal_eval('{"foo": 42}'), {"foo": 42}) self.assertEqual(ast.literal_eval('(True, False, None)'), (True, False, None)) - self.assertEqual(ast.literal_eval('{1, 2, 3}'), {1, 2, 3}) - self.assertEqual(ast.literal_eval('b"hi"'), b"hi") self.assertRaises(ValueError, ast.literal_eval, 'foo()') - self.assertEqual(ast.literal_eval('6'), 6) - self.assertEqual(ast.literal_eval('+6'), 6) - self.assertEqual(ast.literal_eval('-6'), -6) - self.assertEqual(ast.literal_eval('3.25'), 3.25) - self.assertEqual(ast.literal_eval('+3.25'), 3.25) - self.assertEqual(ast.literal_eval('-3.25'), -3.25) - self.assertEqual(repr(ast.literal_eval('-0.0')), '-0.0') - self.assertRaises(ValueError, ast.literal_eval, '++6') - self.assertRaises(ValueError, ast.literal_eval, '+True') - self.assertRaises(ValueError, ast.literal_eval, '2+3') - - def test_literal_eval_complex(self): - # Issue #4907 - self.assertEqual(ast.literal_eval('6j'), 6j) - self.assertEqual(ast.literal_eval('-6j'), -6j) - self.assertEqual(ast.literal_eval('6.75j'), 6.75j) - self.assertEqual(ast.literal_eval('-6.75j'), -6.75j) - self.assertEqual(ast.literal_eval('3+6j'), 3+6j) - self.assertEqual(ast.literal_eval('-3+6j'), -3+6j) - self.assertEqual(ast.literal_eval('3-6j'), 3-6j) - self.assertEqual(ast.literal_eval('-3-6j'), -3-6j) - self.assertEqual(ast.literal_eval('3.25+6.75j'), 3.25+6.75j) - self.assertEqual(ast.literal_eval('-3.25+6.75j'), -3.25+6.75j) - self.assertEqual(ast.literal_eval('3.25-6.75j'), 3.25-6.75j) - self.assertEqual(ast.literal_eval('-3.25-6.75j'), -3.25-6.75j) - self.assertEqual(ast.literal_eval('(3+6j)'), 3+6j) - self.assertRaises(ValueError, ast.literal_eval, '-6j+3') - self.assertRaises(ValueError, ast.literal_eval, '-6j+3j') - self.assertRaises(ValueError, ast.literal_eval, '3+-6j') - self.assertRaises(ValueError, ast.literal_eval, '3+(0+6j)') - self.assertRaises(ValueError, ast.literal_eval, '-(3+6j)') - - def test_bad_integer(self): - # issue13436: Bad error message with invalid numeric values - body = [ast.ImportFrom(module='time', - names=[ast.alias(name='sleep')], - level=None, - lineno=None, col_offset=None)] - mod = ast.Module(body, []) - with self.assertRaises(ValueError) as cm: - compile(mod, 'test', 'exec') - self.assertIn("invalid integer value: None", str(cm.exception)) - - def test_level_as_none(self): - body = [ast.ImportFrom(module='time', - names=[ast.alias(name='sleep')], - level=None, - lineno=0, col_offset=0)] - mod = ast.Module(body, []) - code = compile(mod, 'test', 'exec') - ns = {} - exec(code, ns) - self.assertIn('sleep', ns) - - -class ASTValidatorTests(unittest.TestCase): - - def mod(self, mod, msg=None, mode="exec", *, exc=ValueError): - mod.lineno = mod.col_offset = 0 - ast.fix_missing_locations(mod) - if msg is None: - compile(mod, "<test>", mode) - else: - with self.assertRaises(exc) as cm: - compile(mod, "<test>", mode) - self.assertIn(msg, str(cm.exception)) - - def expr(self, node, msg=None, *, exc=ValueError): - mod = ast.Module([ast.Expr(node)], []) - self.mod(mod, msg, exc=exc) - - def stmt(self, stmt, msg=None): - mod = ast.Module([stmt], []) - self.mod(mod, msg) - - def test_module(self): - m = ast.Interactive([ast.Expr(ast.Name("x", ast.Store()))]) - self.mod(m, "must have Load context", "single") - m = ast.Expression(ast.Name("x", ast.Store())) - self.mod(m, "must have Load context", "eval") - - def _check_arguments(self, fac, check): - def arguments(args=None, posonlyargs=None, vararg=None, - kwonlyargs=None, kwarg=None, - defaults=None, kw_defaults=None): - if args is None: - args = [] - if posonlyargs is None: - posonlyargs = [] - if kwonlyargs is None: - kwonlyargs = [] - if defaults is None: - defaults = [] - if kw_defaults is None: - kw_defaults = [] - args = ast.arguments(args, posonlyargs, vararg, kwonlyargs, - kw_defaults, kwarg, defaults) - return fac(args) - args = [ast.arg("x", ast.Name("x", ast.Store()))] - check(arguments(args=args), "must have Load context") - check(arguments(posonlyargs=args), "must have Load context") - check(arguments(kwonlyargs=args), "must have Load context") - check(arguments(defaults=[ast.Num(3)]), - "more positional defaults than args") - check(arguments(kw_defaults=[ast.Num(4)]), - "length of kwonlyargs is not the same as kw_defaults") - args = [ast.arg("x", ast.Name("x", ast.Load()))] - check(arguments(args=args, defaults=[ast.Name("x", ast.Store())]), - "must have Load context") - args = [ast.arg("a", ast.Name("x", ast.Load())), - ast.arg("b", ast.Name("y", ast.Load()))] - check(arguments(kwonlyargs=args, - kw_defaults=[None, ast.Name("x", ast.Store())]), - "must have Load context") - - def test_funcdef(self): - a = ast.arguments([], [], None, [], [], None, []) - f = ast.FunctionDef("x", a, [], [], None) - self.stmt(f, "empty body on FunctionDef") - f = ast.FunctionDef("x", a, [ast.Pass()], [ast.Name("x", ast.Store())], - None) - self.stmt(f, "must have Load context") - f = ast.FunctionDef("x", a, [ast.Pass()], [], - ast.Name("x", ast.Store())) - self.stmt(f, "must have Load context") - def fac(args): - return ast.FunctionDef("x", args, [ast.Pass()], [], None) - self._check_arguments(fac, self.stmt) - - def test_classdef(self): - def cls(bases=None, keywords=None, body=None, decorator_list=None): - if bases is None: - bases = [] - if keywords is None: - keywords = [] - if body is None: - body = [ast.Pass()] - if decorator_list is None: - decorator_list = [] - return ast.ClassDef("myclass", bases, keywords, - body, decorator_list) - self.stmt(cls(bases=[ast.Name("x", ast.Store())]), - "must have Load context") - self.stmt(cls(keywords=[ast.keyword("x", ast.Name("x", ast.Store()))]), - "must have Load context") - self.stmt(cls(body=[]), "empty body on ClassDef") - self.stmt(cls(body=[None]), "None disallowed") - self.stmt(cls(decorator_list=[ast.Name("x", ast.Store())]), - "must have Load context") - - def test_delete(self): - self.stmt(ast.Delete([]), "empty targets on Delete") - self.stmt(ast.Delete([None]), "None disallowed") - self.stmt(ast.Delete([ast.Name("x", ast.Load())]), - "must have Del context") - - def test_assign(self): - self.stmt(ast.Assign([], ast.Num(3)), "empty targets on Assign") - self.stmt(ast.Assign([None], ast.Num(3)), "None disallowed") - self.stmt(ast.Assign([ast.Name("x", ast.Load())], ast.Num(3)), - "must have Store context") - self.stmt(ast.Assign([ast.Name("x", ast.Store())], - ast.Name("y", ast.Store())), - "must have Load context") - - def test_augassign(self): - aug = ast.AugAssign(ast.Name("x", ast.Load()), ast.Add(), - ast.Name("y", ast.Load())) - self.stmt(aug, "must have Store context") - aug = ast.AugAssign(ast.Name("x", ast.Store()), ast.Add(), - ast.Name("y", ast.Store())) - self.stmt(aug, "must have Load context") - - def test_for(self): - x = ast.Name("x", ast.Store()) - y = ast.Name("y", ast.Load()) - p = ast.Pass() - self.stmt(ast.For(x, y, [], []), "empty body on For") - self.stmt(ast.For(ast.Name("x", ast.Load()), y, [p], []), - "must have Store context") - self.stmt(ast.For(x, ast.Name("y", ast.Store()), [p], []), - "must have Load context") - e = ast.Expr(ast.Name("x", ast.Store())) - self.stmt(ast.For(x, y, [e], []), "must have Load context") - self.stmt(ast.For(x, y, [p], [e]), "must have Load context") - - def test_while(self): - self.stmt(ast.While(ast.Num(3), [], []), "empty body on While") - self.stmt(ast.While(ast.Name("x", ast.Store()), [ast.Pass()], []), - "must have Load context") - self.stmt(ast.While(ast.Num(3), [ast.Pass()], - [ast.Expr(ast.Name("x", ast.Store()))]), - "must have Load context") - - def test_if(self): - self.stmt(ast.If(ast.Num(3), [], []), "empty body on If") - i = ast.If(ast.Name("x", ast.Store()), [ast.Pass()], []) - self.stmt(i, "must have Load context") - i = ast.If(ast.Num(3), [ast.Expr(ast.Name("x", ast.Store()))], []) - self.stmt(i, "must have Load context") - i = ast.If(ast.Num(3), [ast.Pass()], - [ast.Expr(ast.Name("x", ast.Store()))]) - self.stmt(i, "must have Load context") - - def test_with(self): - p = ast.Pass() - self.stmt(ast.With([], [p]), "empty items on With") - i = ast.withitem(ast.Num(3), None) - self.stmt(ast.With([i], []), "empty body on With") - i = ast.withitem(ast.Name("x", ast.Store()), None) - self.stmt(ast.With([i], [p]), "must have Load context") - i = ast.withitem(ast.Num(3), ast.Name("x", ast.Load())) - self.stmt(ast.With([i], [p]), "must have Store context") - - def test_raise(self): - r = ast.Raise(None, ast.Num(3)) - self.stmt(r, "Raise with cause but no exception") - r = ast.Raise(ast.Name("x", ast.Store()), None) - self.stmt(r, "must have Load context") - r = ast.Raise(ast.Num(4), ast.Name("x", ast.Store())) - self.stmt(r, "must have Load context") - - def test_try(self): - p = ast.Pass() - t = ast.Try([], [], [], [p]) - self.stmt(t, "empty body on Try") - t = ast.Try([ast.Expr(ast.Name("x", ast.Store()))], [], [], [p]) - self.stmt(t, "must have Load context") - t = ast.Try([p], [], [], []) - self.stmt(t, "Try has neither except handlers nor finalbody") - t = ast.Try([p], [], [p], [p]) - self.stmt(t, "Try has orelse but no except handlers") - t = ast.Try([p], [ast.ExceptHandler(None, "x", [])], [], []) - self.stmt(t, "empty body on ExceptHandler") - e = [ast.ExceptHandler(ast.Name("x", ast.Store()), "y", [p])] - self.stmt(ast.Try([p], e, [], []), "must have Load context") - e = [ast.ExceptHandler(None, "x", [p])] - t = ast.Try([p], e, [ast.Expr(ast.Name("x", ast.Store()))], [p]) - self.stmt(t, "must have Load context") - t = ast.Try([p], e, [p], [ast.Expr(ast.Name("x", ast.Store()))]) - self.stmt(t, "must have Load context") - - def test_assert(self): - self.stmt(ast.Assert(ast.Name("x", ast.Store()), None), - "must have Load context") - assrt = ast.Assert(ast.Name("x", ast.Load()), - ast.Name("y", ast.Store())) - self.stmt(assrt, "must have Load context") - - def test_import(self): - self.stmt(ast.Import([]), "empty names on Import") - - def test_importfrom(self): - imp = ast.ImportFrom(None, [ast.alias("x", None)], -42) - self.stmt(imp, "Negative ImportFrom level") - self.stmt(ast.ImportFrom(None, [], 0), "empty names on ImportFrom") - - def test_global(self): - self.stmt(ast.Global([]), "empty names on Global") - - def test_nonlocal(self): - self.stmt(ast.Nonlocal([]), "empty names on Nonlocal") - - def test_expr(self): - e = ast.Expr(ast.Name("x", ast.Store())) - self.stmt(e, "must have Load context") - - def test_boolop(self): - b = ast.BoolOp(ast.And(), []) - self.expr(b, "less than 2 values") - b = ast.BoolOp(ast.And(), [ast.Num(3)]) - self.expr(b, "less than 2 values") - b = ast.BoolOp(ast.And(), [ast.Num(4), None]) - self.expr(b, "None disallowed") - b = ast.BoolOp(ast.And(), [ast.Num(4), ast.Name("x", ast.Store())]) - self.expr(b, "must have Load context") - - def test_unaryop(self): - u = ast.UnaryOp(ast.Not(), ast.Name("x", ast.Store())) - self.expr(u, "must have Load context") - - def test_lambda(self): - a = ast.arguments([], [], None, [], [], None, []) - self.expr(ast.Lambda(a, ast.Name("x", ast.Store())), - "must have Load context") - def fac(args): - return ast.Lambda(args, ast.Name("x", ast.Load())) - self._check_arguments(fac, self.expr) - - def test_ifexp(self): - l = ast.Name("x", ast.Load()) - s = ast.Name("y", ast.Store()) - for args in (s, l, l), (l, s, l), (l, l, s): - self.expr(ast.IfExp(*args), "must have Load context") - - def test_dict(self): - d = ast.Dict([], [ast.Name("x", ast.Load())]) - self.expr(d, "same number of keys as values") - d = ast.Dict([ast.Name("x", ast.Load())], [None]) - self.expr(d, "None disallowed") - - def test_set(self): - self.expr(ast.Set([None]), "None disallowed") - s = ast.Set([ast.Name("x", ast.Store())]) - self.expr(s, "must have Load context") - - def _check_comprehension(self, fac): - self.expr(fac([]), "comprehension with no generators") - g = ast.comprehension(ast.Name("x", ast.Load()), - ast.Name("x", ast.Load()), [], 0) - self.expr(fac([g]), "must have Store context") - g = ast.comprehension(ast.Name("x", ast.Store()), - ast.Name("x", ast.Store()), [], 0) - self.expr(fac([g]), "must have Load context") - x = ast.Name("x", ast.Store()) - y = ast.Name("y", ast.Load()) - g = ast.comprehension(x, y, [None], 0) - self.expr(fac([g]), "None disallowed") - g = ast.comprehension(x, y, [ast.Name("x", ast.Store())], 0) - self.expr(fac([g]), "must have Load context") - - def _simple_comp(self, fac): - g = ast.comprehension(ast.Name("x", ast.Store()), - ast.Name("x", ast.Load()), [], 0) - self.expr(fac(ast.Name("x", ast.Store()), [g]), - "must have Load context") - def wrap(gens): - return fac(ast.Name("x", ast.Store()), gens) - self._check_comprehension(wrap) - - def test_listcomp(self): - self._simple_comp(ast.ListComp) - - def test_setcomp(self): - self._simple_comp(ast.SetComp) - - def test_generatorexp(self): - self._simple_comp(ast.GeneratorExp) - - def test_dictcomp(self): - g = ast.comprehension(ast.Name("y", ast.Store()), - ast.Name("p", ast.Load()), [], 0) - c = ast.DictComp(ast.Name("x", ast.Store()), - ast.Name("y", ast.Load()), [g]) - self.expr(c, "must have Load context") - c = ast.DictComp(ast.Name("x", ast.Load()), - ast.Name("y", ast.Store()), [g]) - self.expr(c, "must have Load context") - def factory(comps): - k = ast.Name("x", ast.Load()) - v = ast.Name("y", ast.Load()) - return ast.DictComp(k, v, comps) - self._check_comprehension(factory) - - def test_yield(self): - self.expr(ast.Yield(ast.Name("x", ast.Store())), "must have Load") - self.expr(ast.YieldFrom(ast.Name("x", ast.Store())), "must have Load") - - def test_compare(self): - left = ast.Name("x", ast.Load()) - comp = ast.Compare(left, [ast.In()], []) - self.expr(comp, "no comparators") - comp = ast.Compare(left, [ast.In()], [ast.Num(4), ast.Num(5)]) - self.expr(comp, "different number of comparators and operands") - comp = ast.Compare(ast.Num("blah"), [ast.In()], [left]) - self.expr(comp) - comp = ast.Compare(left, [ast.In()], [ast.Num("blah")]) - self.expr(comp) - - def test_call(self): - func = ast.Name("x", ast.Load()) - args = [ast.Name("y", ast.Load())] - keywords = [ast.keyword("w", ast.Name("z", ast.Load()))] - call = ast.Call(ast.Name("x", ast.Store()), args, keywords) - self.expr(call, "must have Load context") - call = ast.Call(func, [None], keywords) - self.expr(call, "None disallowed") - bad_keywords = [ast.keyword("w", ast.Name("z", ast.Store()))] - call = ast.Call(func, args, bad_keywords) - self.expr(call, "must have Load context") - - def test_num(self): - class subint(int): - pass - class subfloat(float): - pass - class subcomplex(complex): - pass - for obj in "0", "hello": - self.expr(ast.Num(obj)) - for obj in subint(), subfloat(), subcomplex(): - self.expr(ast.Num(obj), "invalid type", exc=TypeError) - - def test_attribute(self): - attr = ast.Attribute(ast.Name("x", ast.Store()), "y", ast.Load()) - self.expr(attr, "must have Load context") - - def test_subscript(self): - sub = ast.Subscript(ast.Name("x", ast.Store()), ast.Index(ast.Num(3)), - ast.Load()) - self.expr(sub, "must have Load context") - x = ast.Name("x", ast.Load()) - sub = ast.Subscript(x, ast.Index(ast.Name("y", ast.Store())), - ast.Load()) - self.expr(sub, "must have Load context") - s = ast.Name("x", ast.Store()) - for args in (s, None, None), (None, s, None), (None, None, s): - sl = ast.Slice(*args) - self.expr(ast.Subscript(x, sl, ast.Load()), - "must have Load context") - sl = ast.ExtSlice([]) - self.expr(ast.Subscript(x, sl, ast.Load()), "empty dims on ExtSlice") - sl = ast.ExtSlice([ast.Index(s)]) - self.expr(ast.Subscript(x, sl, ast.Load()), "must have Load context") - - def test_starred(self): - left = ast.List([ast.Starred(ast.Name("x", ast.Load()), ast.Store())], - ast.Store()) - assign = ast.Assign([left], ast.Num(4)) - self.stmt(assign, "must have Store context") - - def _sequence(self, fac): - self.expr(fac([None], ast.Load()), "None disallowed") - self.expr(fac([ast.Name("x", ast.Store())], ast.Load()), - "must have Load context") - - def test_list(self): - self._sequence(ast.List) - - def test_tuple(self): - self._sequence(ast.Tuple) - - def test_nameconstant(self): - self.expr(ast.NameConstant(4)) - - def test_stdlib_validates(self): - stdlib = os.path.dirname(ast.__file__) - tests = [fn for fn in os.listdir(stdlib) if fn.endswith(".py")] - tests.extend(["test/test_grammar.py", "test/test_unpack_ex.py"]) - for module in tests: - with self.subTest(module): - fn = os.path.join(stdlib, module) - with open(fn, "r", encoding="utf-8") as fp: - source = fp.read() - mod = ast.parse(source, fn) - compile(mod, fn, "exec") - - -class ConstantTests(unittest.TestCase): - """Tests on the ast.Constant node type.""" - - def compile_constant(self, value): - tree = ast.parse("x = 123") - - node = tree.body[0].value - new_node = ast.Constant(value=value) - ast.copy_location(new_node, node) - tree.body[0].value = new_node - - code = compile(tree, "<string>", "exec") - - ns = {} - exec(code, ns) - return ns['x'] - - def test_validation(self): - with self.assertRaises(TypeError) as cm: - self.compile_constant([1, 2, 3]) - self.assertEqual(str(cm.exception), - "got an invalid type in Constant: list") - - def test_singletons(self): - for const in (None, False, True, Ellipsis, b'', frozenset()): - with self.subTest(const=const): - value = self.compile_constant(const) - self.assertIs(value, const) - - def test_values(self): - nested_tuple = (1,) - nested_frozenset = frozenset({1}) - for level in range(3): - nested_tuple = (nested_tuple, 2) - nested_frozenset = frozenset({nested_frozenset, 2}) - values = (123, 123.0, 123j, - "unicode", b'bytes', - tuple("tuple"), frozenset("frozenset"), - nested_tuple, nested_frozenset) - for value in values: - with self.subTest(value=value): - result = self.compile_constant(value) - self.assertEqual(result, value) - - def test_assign_to_constant(self): - tree = ast.parse("x = 1") - - target = tree.body[0].targets[0] - new_target = ast.Constant(value=1) - ast.copy_location(new_target, target) - tree.body[0].targets[0] = new_target - - with self.assertRaises(ValueError) as cm: - compile(tree, "string", "exec") - self.assertEqual(str(cm.exception), - "expression which can't be assigned " - "to in Store context") - - def test_get_docstring(self): - tree = ast.parse("'docstring'\nx = 1") - self.assertEqual(ast.get_docstring(tree), 'docstring') - - def get_load_const(self, tree): - # Compile to bytecode, disassemble and get parameter of LOAD_CONST - # instructions - co = compile(tree, '<string>', 'exec') - consts = [] - for instr in dis.get_instructions(co): - if instr.opname == 'LOAD_CONST': - consts.append(instr.argval) - return consts - - @support.cpython_only - def test_load_const(self): - consts = [None, - True, False, - 124, - 2.0, - 3j, - "unicode", - b'bytes', - (1, 2, 3)] - - code = '\n'.join(['x={!r}'.format(const) for const in consts]) - code += '\nx = ...' - consts.extend((Ellipsis, None)) - - tree = ast.parse(code) - self.assertEqual(self.get_load_const(tree), - consts) - - # Replace expression nodes with constants - for assign, const in zip(tree.body, consts): - assert isinstance(assign, ast.Assign), ast.dump(assign) - new_node = ast.Constant(value=const) - ast.copy_location(new_node, assign.value) - assign.value = new_node - - self.assertEqual(self.get_load_const(tree), - consts) - - def test_literal_eval(self): - tree = ast.parse("1 + 2") - binop = tree.body[0].value - - new_left = ast.Constant(value=10) - ast.copy_location(new_left, binop.left) - binop.left = new_left - - new_right = ast.Constant(value=20j) - ast.copy_location(new_right, binop.right) - binop.right = new_right - - self.assertEqual(ast.literal_eval(binop), 10+20j) - - def test_string_kind(self): - c = ast.parse('"x"', mode='eval').body - self.assertEqual(c.value, "x") - self.assertEqual(c.kind, None) - - c = ast.parse('u"x"', mode='eval').body - self.assertEqual(c.value, "x") - self.assertEqual(c.kind, "u") - - c = ast.parse('r"x"', mode='eval').body - self.assertEqual(c.value, "x") - self.assertEqual(c.kind, None) - - c = ast.parse('b"x"', mode='eval').body - self.assertEqual(c.value, b"x") - self.assertEqual(c.kind, None) - - -class EndPositionTests(unittest.TestCase): - """Tests for end position of AST nodes. - - Testing end positions of nodes requires a bit of extra care - because of how LL parsers work. - """ - def _check_end_pos(self, ast_node, end_lineno, end_col_offset): - self.assertEqual(ast_node.end_lineno, end_lineno) - self.assertEqual(ast_node.end_col_offset, end_col_offset) - - def _check_content(self, source, ast_node, content): - self.assertEqual(ast.get_source_segment(source, ast_node), content) - - def _parse_value(self, s): - # Use duck-typing to support both single expression - # and a right hand side of an assignment statement. - return ast.parse(s).body[0].value - - def test_lambda(self): - s = 'lambda x, *y: None' - lam = self._parse_value(s) - self._check_content(s, lam.body, 'None') - self._check_content(s, lam.args.args[0], 'x') - self._check_content(s, lam.args.vararg, 'y') - - def test_func_def(self): - s = dedent(''' - def func(x: int, - *args: str, - z: float = 0, - **kwargs: Any) -> bool: - return True - ''').strip() - fdef = ast.parse(s).body[0] - self._check_end_pos(fdef, 5, 15) - self._check_content(s, fdef.body[0], 'return True') - self._check_content(s, fdef.args.args[0], 'x: int') - self._check_content(s, fdef.args.args[0].annotation, 'int') - self._check_content(s, fdef.args.kwarg, 'kwargs: Any') - self._check_content(s, fdef.args.kwarg.annotation, 'Any') - - def test_call(self): - s = 'func(x, y=2, **kw)' - call = self._parse_value(s) - self._check_content(s, call.func, 'func') - self._check_content(s, call.keywords[0].value, '2') - self._check_content(s, call.keywords[1].value, 'kw') - - def test_call_noargs(self): - s = 'x[0]()' - call = self._parse_value(s) - self._check_content(s, call.func, 'x[0]') - self._check_end_pos(call, 1, 6) - - def test_class_def(self): - s = dedent(''' - class C(A, B): - x: int = 0 - ''').strip() - cdef = ast.parse(s).body[0] - self._check_end_pos(cdef, 2, 14) - self._check_content(s, cdef.bases[1], 'B') - self._check_content(s, cdef.body[0], 'x: int = 0') - - def test_class_kw(self): - s = 'class S(metaclass=abc.ABCMeta): pass' - cdef = ast.parse(s).body[0] - self._check_content(s, cdef.keywords[0].value, 'abc.ABCMeta') - - def test_multi_line_str(self): - s = dedent(''' - x = """Some multi-line text. - - It goes on starting from same indent.""" - ''').strip() - assign = ast.parse(s).body[0] - self._check_end_pos(assign, 3, 40) - self._check_end_pos(assign.value, 3, 40) - - def test_continued_str(self): - s = dedent(''' - x = "first part" \\ - "second part" - ''').strip() - assign = ast.parse(s).body[0] - self._check_end_pos(assign, 2, 13) - self._check_end_pos(assign.value, 2, 13) - - def test_suites(self): - # We intentionally put these into the same string to check - # that empty lines are not part of the suite. - s = dedent(''' - while True: - pass - - if one(): - x = None - elif other(): - y = None - else: - z = None - - for x, y in stuff: - assert True - - try: - raise RuntimeError - except TypeError as e: - pass - - pass - ''').strip() - mod = ast.parse(s) - while_loop = mod.body[0] - if_stmt = mod.body[1] - for_loop = mod.body[2] - try_stmt = mod.body[3] - pass_stmt = mod.body[4] - - self._check_end_pos(while_loop, 2, 8) - self._check_end_pos(if_stmt, 9, 12) - self._check_end_pos(for_loop, 12, 15) - self._check_end_pos(try_stmt, 17, 8) - self._check_end_pos(pass_stmt, 19, 4) - - self._check_content(s, while_loop.test, 'True') - self._check_content(s, if_stmt.body[0], 'x = None') - self._check_content(s, if_stmt.orelse[0].test, 'other()') - self._check_content(s, for_loop.target, 'x, y') - self._check_content(s, try_stmt.body[0], 'raise RuntimeError') - self._check_content(s, try_stmt.handlers[0].type, 'TypeError') - - def test_fstring(self): - s = 'x = f"abc {x + y} abc"' - fstr = self._parse_value(s) - binop = fstr.values[1].value - self._check_content(s, binop, 'x + y') - - def test_fstring_multi_line(self): - s = dedent(''' - f"""Some multi-line text. - { - arg_one - + - arg_two - } - It goes on...""" - ''').strip() - fstr = self._parse_value(s) - binop = fstr.values[1].value - self._check_end_pos(binop, 5, 7) - self._check_content(s, binop.left, 'arg_one') - self._check_content(s, binop.right, 'arg_two') - - def test_import_from_multi_line(self): - s = dedent(''' - from x.y.z import ( - a, b, c as c - ) - ''').strip() - imp = ast.parse(s).body[0] - self._check_end_pos(imp, 3, 1) - - def test_slices(self): - s1 = 'f()[1, 2] [0]' - s2 = 'x[ a.b: c.d]' - sm = dedent(''' - x[ a.b: f () , - g () : c.d - ] - ''').strip() - i1, i2, im = map(self._parse_value, (s1, s2, sm)) - self._check_content(s1, i1.value, 'f()[1, 2]') - self._check_content(s1, i1.value.slice.value, '1, 2') - self._check_content(s2, i2.slice.lower, 'a.b') - self._check_content(s2, i2.slice.upper, 'c.d') - self._check_content(sm, im.slice.dims[0].upper, 'f ()') - self._check_content(sm, im.slice.dims[1].lower, 'g ()') - self._check_end_pos(im, 3, 3) - - def test_binop(self): - s = dedent(''' - (1 * 2 + (3 ) + - 4 - ) - ''').strip() - binop = self._parse_value(s) - self._check_end_pos(binop, 2, 6) - self._check_content(s, binop.right, '4') - self._check_content(s, binop.left, '1 * 2 + (3 )') - self._check_content(s, binop.left.right, '3') - - def test_boolop(self): - s = dedent(''' - if (one_condition and - (other_condition or yet_another_one)): - pass - ''').strip() - bop = ast.parse(s).body[0].test - self._check_end_pos(bop, 2, 44) - self._check_content(s, bop.values[1], - 'other_condition or yet_another_one') - - def test_tuples(self): - s1 = 'x = () ;' - s2 = 'x = 1 , ;' - s3 = 'x = (1 , 2 ) ;' - sm = dedent(''' - x = ( - a, b, - ) - ''').strip() - t1, t2, t3, tm = map(self._parse_value, (s1, s2, s3, sm)) - self._check_content(s1, t1, '()') - self._check_content(s2, t2, '1 ,') - self._check_content(s3, t3, '(1 , 2 )') - self._check_end_pos(tm, 3, 1) - - def test_attribute_spaces(self): - s = 'func(x. y .z)' - call = self._parse_value(s) - self._check_content(s, call, s) - self._check_content(s, call.args[0], 'x. y .z') - - def test_displays(self): - s1 = '[{}, {1, }, {1, 2,} ]' - s2 = '{a: b, f (): g () ,}' - c1 = self._parse_value(s1) - c2 = self._parse_value(s2) - self._check_content(s1, c1.elts[0], '{}') - self._check_content(s1, c1.elts[1], '{1, }') - self._check_content(s1, c1.elts[2], '{1, 2,}') - self._check_content(s2, c2.keys[1], 'f ()') - self._check_content(s2, c2.values[1], 'g ()') - - def test_comprehensions(self): - s = dedent(''' - x = [{x for x, y in stuff - if cond.x} for stuff in things] - ''').strip() - cmp = self._parse_value(s) - self._check_end_pos(cmp, 2, 37) - self._check_content(s, cmp.generators[0].iter, 'things') - self._check_content(s, cmp.elt.generators[0].iter, 'stuff') - self._check_content(s, cmp.elt.generators[0].ifs[0], 'cond.x') - self._check_content(s, cmp.elt.generators[0].target, 'x, y') - - def test_yield_await(self): - s = dedent(''' - async def f(): - yield x - await y - ''').strip() - fdef = ast.parse(s).body[0] - self._check_content(s, fdef.body[0].value, 'yield x') - self._check_content(s, fdef.body[1].value, 'await y') - - def test_source_segment_multi(self): - s_orig = dedent(''' - x = ( - a, b, - ) + () - ''').strip() - s_tuple = dedent(''' - ( - a, b, - ) - ''').strip() - binop = self._parse_value(s_orig) - self.assertEqual(ast.get_source_segment(s_orig, binop.left), s_tuple) - - def test_source_segment_padded(self): - s_orig = dedent(''' - class C: - def fun(self) -> None: - "ЖЖЖЖЖ" - ''').strip() - s_method = ' def fun(self) -> None:\n' \ - ' "ЖЖЖЖЖ"' - cdef = ast.parse(s_orig).body[0] - self.assertEqual(ast.get_source_segment(s_orig, cdef.body[0], padded=True), - s_method) - - def test_source_segment_endings(self): - s = 'v = 1\r\nw = 1\nx = 1\n\ry = 1\rz = 1\r\n' - v, w, x, y, z = ast.parse(s).body - self._check_content(s, v, 'v = 1') - self._check_content(s, w, 'w = 1') - self._check_content(s, x, 'x = 1') - self._check_content(s, y, 'y = 1') - self._check_content(s, z, 'z = 1') - - def test_source_segment_tabs(self): - s = dedent(''' - class C: - \t\f def fun(self) -> None: - \t\f pass - ''').strip() - s_method = ' \t\f def fun(self) -> None:\n' \ - ' \t\f pass' - - cdef = ast.parse(s).body[0] - self.assertEqual(ast.get_source_segment(s, cdef.body[0], padded=True), s_method) + def test_literal_eval_issue4907(self): + self.assertEqual(ast.literal_eval('2j'), 2j) + self.assertEqual(ast.literal_eval('10 + 2j'), 10 + 2j) + self.assertEqual(ast.literal_eval('1.5 - 2j'), 1.5 - 2j) + self.assertRaises(ValueError, ast.literal_eval, '2 + (3 + 4j)') -class NodeVisitorTests(unittest.TestCase): - def test_old_constant_nodes(self): - class Visitor(ast.NodeVisitor): - def visit_Num(self, node): - log.append((node.lineno, 'Num', node.n)) - def visit_Str(self, node): - log.append((node.lineno, 'Str', node.s)) - def visit_Bytes(self, node): - log.append((node.lineno, 'Bytes', node.s)) - def visit_NameConstant(self, node): - log.append((node.lineno, 'NameConstant', node.value)) - def visit_Ellipsis(self, node): - log.append((node.lineno, 'Ellipsis', ...)) - mod = ast.parse(dedent('''\ - i = 42 - f = 4.25 - c = 4.25j - s = 'string' - b = b'bytes' - t = True - n = None - e = ... - ''')) - visitor = Visitor() - log = [] - with warnings.catch_warnings(record=True) as wlog: - warnings.filterwarnings('always', '', DeprecationWarning) - visitor.visit(mod) - self.assertEqual(log, [ - (1, 'Num', 42), - (2, 'Num', 4.25), - (3, 'Num', 4.25j), - (4, 'Str', 'string'), - (5, 'Bytes', b'bytes'), - (6, 'NameConstant', True), - (7, 'NameConstant', None), - (8, 'Ellipsis', ...), - ]) - self.assertEqual([str(w.message) for w in wlog], [ - 'visit_Num is deprecated; add visit_Constant', - 'visit_Num is deprecated; add visit_Constant', - 'visit_Num is deprecated; add visit_Constant', - 'visit_Str is deprecated; add visit_Constant', - 'visit_Bytes is deprecated; add visit_Constant', - 'visit_NameConstant is deprecated; add visit_Constant', - 'visit_NameConstant is deprecated; add visit_Constant', - 'visit_Ellipsis is deprecated; add visit_Constant', - ]) +def test_main(): + with test_support.check_py3k_warnings(("backquote not supported", + SyntaxWarning)): + test_support.run_unittest(AST_Tests, ASTHelpers_Test) def main(): if __name__ != '__main__': @@ -1810,119 +504,86 @@ def main(): if sys.argv[1:] == ['-g']: for statements, kind in ((exec_tests, "exec"), (single_tests, "single"), (eval_tests, "eval")): - print(kind+"_results = [") - for statement in statements: - tree = ast.parse(statement, "?", kind) - print("%r," % (to_tuple(tree),)) - print("]") - print("main()") + print kind+"_results = [" + for s in statements: + print repr(to_tuple(compile(s, "?", kind, 0x400)))+"," + print "]" + print "main()" raise SystemExit - unittest.main() + test_main() -#### EVERYTHING BELOW IS GENERATED BY python Lib/test/test_ast.py -g ##### +#### EVERYTHING BELOW IS GENERATED ##### exec_results = [ -('Module', [('Expr', (1, 0), ('Constant', (1, 0), None, None))], []), -('Module', [('Expr', (1, 0), ('Constant', (1, 0), 'module docstring', None))], []), -('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], [], None, [], [], None, []), [('Pass', (1, 9))], [], None, None)], []), -('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], [], None, [], [], None, []), [('Expr', (1, 9), ('Constant', (1, 9), 'function docstring', None))], [], None, None)], []), -('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], [('arg', (1, 6), 'a', None, None)], None, [], [], None, []), [('Pass', (1, 10))], [], None, None)], []), -('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], [('arg', (1, 6), 'a', None, None)], None, [], [], None, [('Constant', (1, 8), 0, None)]), [('Pass', (1, 12))], [], None, None)], []), -('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], [], ('arg', (1, 7), 'args', None, None), [], [], None, []), [('Pass', (1, 14))], [], None, None)], []), -('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], [], None, [], [], ('arg', (1, 8), 'kwargs', None, None), []), 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('SetComp', (1, 1), ('Name', (1, 1), 'r', ('Load',)), [('comprehension', ('Tuple', (1, 7), [('Name', (1, 7), 'l', ('Store',)), ('Name', (1, 9), 'm', ('Store',))], ('Store',)), ('Name', (1, 14), 'x', ('Load',)), [])]))]), +('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], None, None, []), [('Pass', (4, 9))], [('Name', (1, 1), 'deco1', ('Load',)), ('Call', (2, 1), ('Name', (2, 1), 'deco2', ('Load',)), [], [], None, None), ('Call', (3, 1), ('Name', (3, 1), 'deco3', ('Load',)), [('Num', (3, 7), 1)], [], None, None)])]), +('Module', [('ClassDef', (1, 0), 'C', [], [('Pass', (4, 9))], [('Name', (1, 1), 'deco1', ('Load',)), ('Call', (2, 1), ('Name', (2, 1), 'deco2', ('Load',)), [], [], None, None), ('Call', (3, 1), ('Name', (3, 1), 'deco3', ('Load',)), [('Num', (3, 7), 1)], [], None, None)])]), +('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], None, None, []), [('Pass', (2, 9))], [('Call', (1, 1), ('Name', (1, 1), 'deco', ('Load',)), [('GeneratorExp', (1, 6), ('Name', (1, 6), 'a', ('Load',)), [('comprehension', ('Name', (1, 12), 'a', ('Store',)), ('Name', (1, 17), 'b', ('Load',)), [])])], [], None, None)])]), ] single_results = [ -('Interactive', [('Expr', (1, 0), ('BinOp', (1, 0), ('Constant', (1, 0), 1, None), ('Add',), ('Constant', (1, 2), 2, None)))]), +('Interactive', [('Expr', (1, 0), ('BinOp', (1, 0), ('Num', (1, 0), 1), ('Add',), ('Num', (1, 2), 2)))]), ] eval_results = [ -('Expression', ('Constant', (1, 0), None, None)), +('Expression', ('Name', (1, 0), 'None', ('Load',))), ('Expression', ('BoolOp', (1, 0), ('And',), [('Name', (1, 0), 'a', ('Load',)), ('Name', (1, 6), 'b', ('Load',))])), ('Expression', ('BinOp', (1, 0), ('Name', (1, 0), 'a', ('Load',)), ('Add',), ('Name', (1, 4), 'b', ('Load',)))), ('Expression', ('UnaryOp', (1, 0), ('Not',), ('Name', (1, 4), 'v', ('Load',)))), -('Expression', ('Lambda', (1, 0), ('arguments', [], [], None, [], [], None, []), ('Constant', (1, 7), None, None))), -('Expression', ('Dict', (1, 0), [('Constant', (1, 2), 1, None)], [('Constant', (1, 4), 2, None)])), +('Expression', ('Lambda', (1, 0), ('arguments', [], None, None, []), ('Name', (1, 7), 'None', ('Load',)))), +('Expression', ('Dict', (1, 0), [('Num', (1, 2), 1)], [('Num', (1, 4), 2)])), ('Expression', ('Dict', (1, 0), [], [])), -('Expression', ('Set', (1, 0), [('Constant', (1, 1), None, None)])), -('Expression', ('Dict', (1, 0), [('Constant', (2, 6), 1, None)], [('Constant', (4, 10), 2, None)])), -('Expression', ('ListComp', (1, 0), ('Name', (1, 1), 'a', ('Load',)), [('comprehension', ('Name', (1, 7), 'b', ('Store',)), ('Name', (1, 12), 'c', ('Load',)), [('Name', (1, 17), 'd', ('Load',))], 0)])), -('Expression', ('GeneratorExp', (1, 0), ('Name', (1, 1), 'a', ('Load',)), [('comprehension', ('Name', (1, 7), 'b', ('Store',)), ('Name', (1, 12), 'c', ('Load',)), [('Name', (1, 17), 'd', ('Load',))], 0)])), -('Expression', ('ListComp', (1, 0), ('Tuple', (1, 1), [('Name', (1, 2), 'a', ('Load',)), ('Name', (1, 4), 'b', ('Load',))], ('Load',)), [('comprehension', ('Tuple', (1, 11), [('Name', (1, 11), 'a', ('Store',)), ('Name', (1, 13), 'b', ('Store',))], ('Store',)), ('Name', (1, 18), 'c', ('Load',)), [], 0)])), -('Expression', ('ListComp', (1, 0), ('Tuple', (1, 1), [('Name', (1, 2), 'a', ('Load',)), ('Name', (1, 4), 'b', ('Load',))], ('Load',)), [('comprehension', ('Tuple', (1, 11), [('Name', (1, 12), 'a', ('Store',)), ('Name', (1, 14), 'b', ('Store',))], ('Store',)), ('Name', (1, 20), 'c', ('Load',)), [], 0)])), -('Expression', ('ListComp', (1, 0), ('Tuple', (1, 1), [('Name', (1, 2), 'a', ('Load',)), ('Name', (1, 4), 'b', ('Load',))], ('Load',)), [('comprehension', ('List', (1, 11), [('Name', (1, 12), 'a', ('Store',)), ('Name', (1, 14), 'b', ('Store',))], ('Store',)), ('Name', (1, 20), 'c', ('Load',)), [], 0)])), -('Expression', ('SetComp', (1, 0), ('Tuple', (1, 1), [('Name', (1, 2), 'a', ('Load',)), ('Name', (1, 4), 'b', ('Load',))], ('Load',)), [('comprehension', ('Tuple', (1, 11), [('Name', (1, 11), 'a', ('Store',)), ('Name', (1, 13), 'b', ('Store',))], ('Store',)), ('Name', (1, 18), 'c', ('Load',)), [], 0)])), -('Expression', ('SetComp', (1, 0), ('Tuple', (1, 1), [('Name', (1, 2), 'a', ('Load',)), ('Name', (1, 4), 'b', ('Load',))], ('Load',)), [('comprehension', ('Tuple', (1, 11), [('Name', (1, 12), 'a', ('Store',)), ('Name', (1, 14), 'b', ('Store',))], ('Store',)), ('Name', (1, 20), 'c', ('Load',)), [], 0)])), -('Expression', ('SetComp', (1, 0), ('Tuple', (1, 1), [('Name', (1, 2), 'a', ('Load',)), ('Name', (1, 4), 'b', ('Load',))], ('Load',)), [('comprehension', ('List', (1, 11), [('Name', (1, 12), 'a', ('Store',)), ('Name', (1, 14), 'b', ('Store',))], ('Store',)), ('Name', (1, 20), 'c', ('Load',)), [], 0)])), -('Expression', ('GeneratorExp', (1, 0), ('Tuple', (1, 1), [('Name', (1, 2), 'a', ('Load',)), ('Name', (1, 4), 'b', ('Load',))], ('Load',)), [('comprehension', ('Tuple', (1, 11), [('Name', (1, 11), 'a', ('Store',)), ('Name', (1, 13), 'b', ('Store',))], ('Store',)), ('Name', (1, 18), 'c', ('Load',)), [], 0)])), -('Expression', ('GeneratorExp', (1, 0), ('Tuple', (1, 1), [('Name', (1, 2), 'a', ('Load',)), ('Name', (1, 4), 'b', ('Load',))], ('Load',)), [('comprehension', ('Tuple', (1, 11), [('Name', (1, 12), 'a', ('Store',)), ('Name', (1, 14), 'b', ('Store',))], ('Store',)), ('Name', (1, 20), 'c', ('Load',)), [], 0)])), -('Expression', ('GeneratorExp', (1, 0), ('Tuple', (1, 1), [('Name', (1, 2), 'a', ('Load',)), ('Name', (1, 4), 'b', ('Load',))], ('Load',)), [('comprehension', ('List', (1, 11), [('Name', (1, 12), 'a', ('Store',)), ('Name', (1, 14), 'b', ('Store',))], ('Store',)), ('Name', (1, 20), 'c', ('Load',)), [], 0)])), -('Expression', ('Compare', (1, 0), ('Constant', (1, 0), 1, None), [('Lt',), ('Lt',)], [('Constant', (1, 4), 2, None), ('Constant', (1, 8), 3, None)])), -('Expression', ('Call', (1, 0), ('Name', (1, 0), 'f', ('Load',)), [('Constant', (1, 2), 1, None), ('Constant', (1, 4), 2, None), ('Starred', (1, 10), ('Name', (1, 11), 'd', ('Load',)), ('Load',))], [('keyword', 'c', ('Constant', (1, 8), 3, None)), ('keyword', None, ('Name', (1, 15), 'e', ('Load',)))])), -('Expression', ('Call', (1, 0), ('Name', (1, 0), 'f', ('Load',)), [('GeneratorExp', (1, 1), ('Name', (1, 2), 'a', ('Load',)), [('comprehension', ('Name', (1, 8), 'a', ('Store',)), ('Name', (1, 13), 'b', ('Load',)), [], 0)])], [])), -('Expression', ('Constant', (1, 0), 10, None)), -('Expression', ('Constant', (1, 0), 'string', None)), +('Expression', ('Set', (1, 0), [('Name', (1, 1), 'None', ('Load',))])), +('Expression', ('Dict', (1, 0), [('Num', (2, 6), 1)], [('Num', (4, 10), 2)])), +('Expression', ('ListComp', (1, 1), ('Name', (1, 1), 'a', ('Load',)), [('comprehension', ('Name', (1, 7), 'b', ('Store',)), ('Name', (1, 12), 'c', ('Load',)), [('Name', (1, 17), 'd', ('Load',))])])), +('Expression', ('GeneratorExp', (1, 1), ('Name', (1, 1), 'a', ('Load',)), [('comprehension', ('Name', (1, 7), 'b', ('Store',)), ('Name', (1, 12), 'c', ('Load',)), [('Name', (1, 17), 'd', ('Load',))])])), +('Expression', ('Compare', (1, 0), ('Num', (1, 0), 1), [('Lt',), ('Lt',)], [('Num', (1, 4), 2), ('Num', (1, 8), 3)])), +('Expression', ('Call', (1, 0), ('Name', (1, 0), 'f', ('Load',)), [('Num', (1, 2), 1), ('Num', (1, 4), 2)], [('keyword', 'c', ('Num', (1, 8), 3))], ('Name', (1, 11), 'd', ('Load',)), ('Name', (1, 15), 'e', ('Load',)))), +('Expression', ('Repr', (1, 0), ('Name', (1, 1), 'v', ('Load',)))), +('Expression', ('Num', (1, 0), 10L)), +('Expression', ('Str', (1, 0), 'string')), ('Expression', ('Attribute', (1, 0), ('Name', (1, 0), 'a', ('Load',)), 'b', ('Load',))), ('Expression', ('Subscript', (1, 0), ('Name', (1, 0), 'a', ('Load',)), ('Slice', ('Name', (1, 2), 'b', ('Load',)), ('Name', (1, 4), 'c', ('Load',)), None), ('Load',))), ('Expression', ('Name', (1, 0), 'v', ('Load',))), -('Expression', ('List', (1, 0), [('Constant', (1, 1), 1, None), ('Constant', (1, 3), 2, None), ('Constant', (1, 5), 3, None)], ('Load',))), +('Expression', ('List', (1, 0), [('Num', (1, 1), 1), ('Num', (1, 3), 2), ('Num', (1, 5), 3)], ('Load',))), ('Expression', ('List', (1, 0), [], ('Load',))), -('Expression', ('Tuple', (1, 0), [('Constant', (1, 0), 1, None), ('Constant', (1, 2), 2, None), ('Constant', (1, 4), 3, None)], ('Load',))), -('Expression', ('Tuple', (1, 0), [('Constant', (1, 1), 1, None), ('Constant', (1, 3), 2, None), ('Constant', (1, 5), 3, None)], ('Load',))), +('Expression', ('Tuple', (1, 0), [('Num', (1, 0), 1), ('Num', (1, 2), 2), ('Num', (1, 4), 3)], ('Load',))), +('Expression', ('Tuple', (1, 1), [('Num', (1, 1), 1), ('Num', (1, 3), 2), ('Num', (1, 5), 3)], ('Load',))), ('Expression', ('Tuple', (1, 0), [], ('Load',))), -('Expression', ('Call', (1, 0), ('Attribute', (1, 0), ('Attribute', (1, 0), ('Attribute', (1, 0), ('Name', (1, 0), 'a', ('Load',)), 'b', ('Load',)), 'c', ('Load',)), 'd', ('Load',)), [('Subscript', (1, 8), ('Attribute', (1, 8), ('Name', (1, 8), 'a', ('Load',)), 'b', ('Load',)), ('Slice', ('Constant', (1, 12), 1, None), ('Constant', (1, 14), 2, None), None), ('Load',))], [])), +('Expression', ('Call', (1, 0), ('Attribute', (1, 0), ('Attribute', (1, 0), ('Attribute', (1, 0), ('Name', (1, 0), 'a', ('Load',)), 'b', ('Load',)), 'c', ('Load',)), 'd', ('Load',)), [('Subscript', (1, 8), ('Attribute', (1, 8), ('Name', (1, 8), 'a', ('Load',)), 'b', ('Load',)), ('Slice', ('Num', (1, 12), 1), ('Num', (1, 14), 2), None), ('Load',))], [], None, None)), ] main() |