1import ast 2import dis 3import os 4import sys 5import unittest 6import weakref 7 8from test import support 9 10def to_tuple(t): 11 if t is None or isinstance(t, (str, int, complex)): 12 return t 13 elif isinstance(t, list): 14 return [to_tuple(e) for e in t] 15 result = [t.__class__.__name__] 16 if hasattr(t, 'lineno') and hasattr(t, 'col_offset'): 17 result.append((t.lineno, t.col_offset)) 18 if t._fields is None: 19 return tuple(result) 20 for f in t._fields: 21 result.append(to_tuple(getattr(t, f))) 22 return tuple(result) 23 24 25# These tests are compiled through "exec" 26# There should be at least one test per statement 27exec_tests = [ 28 # None 29 "None", 30 # FunctionDef 31 "def f(): pass", 32 # FunctionDef with arg 33 "def f(a): pass", 34 # FunctionDef with arg and default value 35 "def f(a=0): pass", 36 # FunctionDef with varargs 37 "def f(*args): pass", 38 # FunctionDef with kwargs 39 "def f(**kwargs): pass", 40 # FunctionDef with all kind of args 41 "def f(a, b=1, c=None, d=[], e={}, *args, f=42, **kwargs): pass", 42 # ClassDef 43 "class C:pass", 44 # ClassDef, new style class 45 "class C(object): pass", 46 # Return 47 "def f():return 1", 48 # Delete 49 "del v", 50 # Assign 51 "v = 1", 52 # AugAssign 53 "v += 1", 54 # For 55 "for v in v:pass", 56 # While 57 "while v:pass", 58 # If 59 "if v:pass", 60 # With 61 "with x as y: pass", 62 "with x as y, z as q: pass", 63 # Raise 64 "raise Exception('string')", 65 # TryExcept 66 "try:\n pass\nexcept Exception:\n pass", 67 # TryFinally 68 "try:\n pass\nfinally:\n pass", 69 # Assert 70 "assert v", 71 # Import 72 "import sys", 73 # ImportFrom 74 "from sys import v", 75 # Global 76 "global v", 77 # Expr 78 "1", 79 # Pass, 80 "pass", 81 # Break 82 "for v in v:break", 83 # Continue 84 "for v in v:continue", 85 # for statements with naked tuples (see http://bugs.python.org/issue6704) 86 "for a,b in c: pass", 87 "[(a,b) for a,b in c]", 88 "((a,b) for a,b in c)", 89 "((a,b) for (a,b) in c)", 90 # Multiline generator expression (test for .lineno & .col_offset) 91 """( 92 ( 93 Aa 94 , 95 Bb 96 ) 97 for 98 Aa 99 , 100 Bb in Cc 101 )""", 102 # dictcomp 103 "{a : b for w in x for m in p if g}", 104 # dictcomp with naked tuple 105 "{a : b for v,w in x}", 106 # setcomp 107 "{r for l in x if g}", 108 # setcomp with naked tuple 109 "{r for l,m in x}", 110 # AsyncFunctionDef 111 "async def f():\n await something()", 112 # AsyncFor 113 "async def f():\n async for e in i: 1\n else: 2", 114 # AsyncWith 115 "async def f():\n async with a as b: 1", 116 # PEP 448: Additional Unpacking Generalizations 117 "{**{1:2}, 2:3}", 118 "{*{1, 2}, 3}", 119 # Asynchronous comprehensions 120 "async def f():\n [i async for b in c]", 121] 122 123# These are compiled through "single" 124# because of overlap with "eval", it just tests what 125# can't be tested with "eval" 126single_tests = [ 127 "1+2" 128] 129 130# These are compiled through "eval" 131# It should test all expressions 132eval_tests = [ 133 # None 134 "None", 135 # BoolOp 136 "a and b", 137 # BinOp 138 "a + b", 139 # UnaryOp 140 "not v", 141 # Lambda 142 "lambda:None", 143 # Dict 144 "{ 1:2 }", 145 # Empty dict 146 "{}", 147 # Set 148 "{None,}", 149 # Multiline dict (test for .lineno & .col_offset) 150 """{ 151 1 152 : 153 2 154 }""", 155 # ListComp 156 "[a for b in c if d]", 157 # GeneratorExp 158 "(a for b in c if d)", 159 # Yield - yield expressions can't work outside a function 160 # 161 # Compare 162 "1 < 2 < 3", 163 # Call 164 "f(1,2,c=3,*d,**e)", 165 # Num 166 "10", 167 # Str 168 "'string'", 169 # Attribute 170 "a.b", 171 # Subscript 172 "a[b:c]", 173 # Name 174 "v", 175 # List 176 "[1,2,3]", 177 # Empty list 178 "[]", 179 # Tuple 180 "1,2,3", 181 # Tuple 182 "(1,2,3)", 183 # Empty tuple 184 "()", 185 # Combination 186 "a.b.c.d(a.b[1:2])", 187 188] 189 190# TODO: expr_context, slice, boolop, operator, unaryop, cmpop, comprehension 191# excepthandler, arguments, keywords, alias 192 193class AST_Tests(unittest.TestCase): 194 195 def _assertTrueorder(self, ast_node, parent_pos): 196 if not isinstance(ast_node, ast.AST) or ast_node._fields is None: 197 return 198 if isinstance(ast_node, (ast.expr, ast.stmt, ast.excepthandler)): 199 node_pos = (ast_node.lineno, ast_node.col_offset) 200 self.assertTrue(node_pos >= parent_pos) 201 parent_pos = (ast_node.lineno, ast_node.col_offset) 202 for name in ast_node._fields: 203 value = getattr(ast_node, name) 204 if isinstance(value, list): 205 for child in value: 206 self._assertTrueorder(child, parent_pos) 207 elif value is not None: 208 self._assertTrueorder(value, parent_pos) 209 210 def test_AST_objects(self): 211 x = ast.AST() 212 self.assertEqual(x._fields, ()) 213 x.foobar = 42 214 self.assertEqual(x.foobar, 42) 215 self.assertEqual(x.__dict__["foobar"], 42) 216 217 with self.assertRaises(AttributeError): 218 x.vararg 219 220 with self.assertRaises(TypeError): 221 # "_ast.AST constructor takes 0 positional arguments" 222 ast.AST(2) 223 224 def test_AST_garbage_collection(self): 225 class X: 226 pass 227 a = ast.AST() 228 a.x = X() 229 a.x.a = a 230 ref = weakref.ref(a.x) 231 del a 232 support.gc_collect() 233 self.assertIsNone(ref()) 234 235 def test_snippets(self): 236 for input, output, kind in ((exec_tests, exec_results, "exec"), 237 (single_tests, single_results, "single"), 238 (eval_tests, eval_results, "eval")): 239 for i, o in zip(input, output): 240 with self.subTest(action="parsing", input=i): 241 ast_tree = compile(i, "?", kind, ast.PyCF_ONLY_AST) 242 self.assertEqual(to_tuple(ast_tree), o) 243 self._assertTrueorder(ast_tree, (0, 0)) 244 with self.subTest(action="compiling", input=i, kind=kind): 245 compile(ast_tree, "?", kind) 246 247 def test_slice(self): 248 slc = ast.parse("x[::]").body[0].value.slice 249 self.assertIsNone(slc.upper) 250 self.assertIsNone(slc.lower) 251 self.assertIsNone(slc.step) 252 253 def test_from_import(self): 254 im = ast.parse("from . import y").body[0] 255 self.assertIsNone(im.module) 256 257 def test_non_interned_future_from_ast(self): 258 mod = ast.parse("from __future__ import division") 259 self.assertIsInstance(mod.body[0], ast.ImportFrom) 260 mod.body[0].module = " __future__ ".strip() 261 compile(mod, "<test>", "exec") 262 263 def test_base_classes(self): 264 self.assertTrue(issubclass(ast.For, ast.stmt)) 265 self.assertTrue(issubclass(ast.Name, ast.expr)) 266 self.assertTrue(issubclass(ast.stmt, ast.AST)) 267 self.assertTrue(issubclass(ast.expr, ast.AST)) 268 self.assertTrue(issubclass(ast.comprehension, ast.AST)) 269 self.assertTrue(issubclass(ast.Gt, ast.AST)) 270 271 def test_field_attr_existence(self): 272 for name, item in ast.__dict__.items(): 273 if isinstance(item, type) and name != 'AST' and name[0].isupper(): 274 x = item() 275 if isinstance(x, ast.AST): 276 self.assertEqual(type(x._fields), tuple) 277 278 def test_arguments(self): 279 x = ast.arguments() 280 self.assertEqual(x._fields, ('args', 'vararg', 'kwonlyargs', 281 'kw_defaults', 'kwarg', 'defaults')) 282 283 with self.assertRaises(AttributeError): 284 x.vararg 285 286 x = ast.arguments(*range(1, 7)) 287 self.assertEqual(x.vararg, 2) 288 289 def test_field_attr_writable(self): 290 x = ast.Num() 291 # We can assign to _fields 292 x._fields = 666 293 self.assertEqual(x._fields, 666) 294 295 def test_classattrs(self): 296 x = ast.Num() 297 self.assertEqual(x._fields, ('n',)) 298 299 with self.assertRaises(AttributeError): 300 x.n 301 302 x = ast.Num(42) 303 self.assertEqual(x.n, 42) 304 305 with self.assertRaises(AttributeError): 306 x.lineno 307 308 with self.assertRaises(AttributeError): 309 x.foobar 310 311 x = ast.Num(lineno=2) 312 self.assertEqual(x.lineno, 2) 313 314 x = ast.Num(42, lineno=0) 315 self.assertEqual(x.lineno, 0) 316 self.assertEqual(x._fields, ('n',)) 317 self.assertEqual(x.n, 42) 318 319 self.assertRaises(TypeError, ast.Num, 1, 2) 320 self.assertRaises(TypeError, ast.Num, 1, 2, lineno=0) 321 322 def test_module(self): 323 body = [ast.Num(42)] 324 x = ast.Module(body) 325 self.assertEqual(x.body, body) 326 327 def test_nodeclasses(self): 328 # Zero arguments constructor explicitly allowed 329 x = ast.BinOp() 330 self.assertEqual(x._fields, ('left', 'op', 'right')) 331 332 # Random attribute allowed too 333 x.foobarbaz = 5 334 self.assertEqual(x.foobarbaz, 5) 335 336 n1 = ast.Num(1) 337 n3 = ast.Num(3) 338 addop = ast.Add() 339 x = ast.BinOp(n1, addop, n3) 340 self.assertEqual(x.left, n1) 341 self.assertEqual(x.op, addop) 342 self.assertEqual(x.right, n3) 343 344 x = ast.BinOp(1, 2, 3) 345 self.assertEqual(x.left, 1) 346 self.assertEqual(x.op, 2) 347 self.assertEqual(x.right, 3) 348 349 x = ast.BinOp(1, 2, 3, lineno=0) 350 self.assertEqual(x.left, 1) 351 self.assertEqual(x.op, 2) 352 self.assertEqual(x.right, 3) 353 self.assertEqual(x.lineno, 0) 354 355 # node raises exception when not given enough arguments 356 self.assertRaises(TypeError, ast.BinOp, 1, 2) 357 # node raises exception when given too many arguments 358 self.assertRaises(TypeError, ast.BinOp, 1, 2, 3, 4) 359 # node raises exception when not given enough arguments 360 self.assertRaises(TypeError, ast.BinOp, 1, 2, lineno=0) 361 # node raises exception when given too many arguments 362 self.assertRaises(TypeError, ast.BinOp, 1, 2, 3, 4, lineno=0) 363 364 # can set attributes through kwargs too 365 x = ast.BinOp(left=1, op=2, right=3, lineno=0) 366 self.assertEqual(x.left, 1) 367 self.assertEqual(x.op, 2) 368 self.assertEqual(x.right, 3) 369 self.assertEqual(x.lineno, 0) 370 371 # Random kwargs also allowed 372 x = ast.BinOp(1, 2, 3, foobarbaz=42) 373 self.assertEqual(x.foobarbaz, 42) 374 375 def test_no_fields(self): 376 # this used to fail because Sub._fields was None 377 x = ast.Sub() 378 self.assertEqual(x._fields, ()) 379 380 def test_pickling(self): 381 import pickle 382 mods = [pickle] 383 try: 384 import cPickle 385 mods.append(cPickle) 386 except ImportError: 387 pass 388 protocols = [0, 1, 2] 389 for mod in mods: 390 for protocol in protocols: 391 for ast in (compile(i, "?", "exec", 0x400) for i in exec_tests): 392 ast2 = mod.loads(mod.dumps(ast, protocol)) 393 self.assertEqual(to_tuple(ast2), to_tuple(ast)) 394 395 def test_invalid_sum(self): 396 pos = dict(lineno=2, col_offset=3) 397 m = ast.Module([ast.Expr(ast.expr(**pos), **pos)]) 398 with self.assertRaises(TypeError) as cm: 399 compile(m, "<test>", "exec") 400 self.assertIn("but got <_ast.expr", str(cm.exception)) 401 402 def test_invalid_identitifer(self): 403 m = ast.Module([ast.Expr(ast.Name(42, ast.Load()))]) 404 ast.fix_missing_locations(m) 405 with self.assertRaises(TypeError) as cm: 406 compile(m, "<test>", "exec") 407 self.assertIn("identifier must be of type str", str(cm.exception)) 408 409 def test_invalid_string(self): 410 m = ast.Module([ast.Expr(ast.Str(42))]) 411 ast.fix_missing_locations(m) 412 with self.assertRaises(TypeError) as cm: 413 compile(m, "<test>", "exec") 414 self.assertIn("string must be of type str", str(cm.exception)) 415 416 def test_empty_yield_from(self): 417 # Issue 16546: yield from value is not optional. 418 empty_yield_from = ast.parse("def f():\n yield from g()") 419 empty_yield_from.body[0].body[0].value.value = None 420 with self.assertRaises(ValueError) as cm: 421 compile(empty_yield_from, "<test>", "exec") 422 self.assertIn("field value is required", str(cm.exception)) 423 424 425class ASTHelpers_Test(unittest.TestCase): 426 427 def test_parse(self): 428 a = ast.parse('foo(1 + 1)') 429 b = compile('foo(1 + 1)', '<unknown>', 'exec', ast.PyCF_ONLY_AST) 430 self.assertEqual(ast.dump(a), ast.dump(b)) 431 432 def test_parse_in_error(self): 433 try: 434 1/0 435 except Exception: 436 with self.assertRaises(SyntaxError) as e: 437 ast.literal_eval(r"'\U'") 438 self.assertIsNotNone(e.exception.__context__) 439 440 def test_dump(self): 441 node = ast.parse('spam(eggs, "and cheese")') 442 self.assertEqual(ast.dump(node), 443 "Module(body=[Expr(value=Call(func=Name(id='spam', ctx=Load()), " 444 "args=[Name(id='eggs', ctx=Load()), Str(s='and cheese')], " 445 "keywords=[]))])" 446 ) 447 self.assertEqual(ast.dump(node, annotate_fields=False), 448 "Module([Expr(Call(Name('spam', Load()), [Name('eggs', Load()), " 449 "Str('and cheese')], []))])" 450 ) 451 self.assertEqual(ast.dump(node, include_attributes=True), 452 "Module(body=[Expr(value=Call(func=Name(id='spam', ctx=Load(), " 453 "lineno=1, col_offset=0), args=[Name(id='eggs', ctx=Load(), " 454 "lineno=1, col_offset=5), Str(s='and cheese', lineno=1, " 455 "col_offset=11)], keywords=[], " 456 "lineno=1, col_offset=0), lineno=1, col_offset=0)])" 457 ) 458 459 def test_copy_location(self): 460 src = ast.parse('1 + 1', mode='eval') 461 src.body.right = ast.copy_location(ast.Num(2), src.body.right) 462 self.assertEqual(ast.dump(src, include_attributes=True), 463 'Expression(body=BinOp(left=Num(n=1, lineno=1, col_offset=0), ' 464 'op=Add(), right=Num(n=2, lineno=1, col_offset=4), lineno=1, ' 465 'col_offset=0))' 466 ) 467 468 def test_fix_missing_locations(self): 469 src = ast.parse('write("spam")') 470 src.body.append(ast.Expr(ast.Call(ast.Name('spam', ast.Load()), 471 [ast.Str('eggs')], []))) 472 self.assertEqual(src, ast.fix_missing_locations(src)) 473 self.assertEqual(ast.dump(src, include_attributes=True), 474 "Module(body=[Expr(value=Call(func=Name(id='write', ctx=Load(), " 475 "lineno=1, col_offset=0), args=[Str(s='spam', lineno=1, " 476 "col_offset=6)], keywords=[], " 477 "lineno=1, col_offset=0), lineno=1, col_offset=0), " 478 "Expr(value=Call(func=Name(id='spam', ctx=Load(), lineno=1, " 479 "col_offset=0), args=[Str(s='eggs', lineno=1, col_offset=0)], " 480 "keywords=[], lineno=1, " 481 "col_offset=0), lineno=1, col_offset=0)])" 482 ) 483 484 def test_increment_lineno(self): 485 src = ast.parse('1 + 1', mode='eval') 486 self.assertEqual(ast.increment_lineno(src, n=3), src) 487 self.assertEqual(ast.dump(src, include_attributes=True), 488 'Expression(body=BinOp(left=Num(n=1, lineno=4, col_offset=0), ' 489 'op=Add(), right=Num(n=1, lineno=4, col_offset=4), lineno=4, ' 490 'col_offset=0))' 491 ) 492 # issue10869: do not increment lineno of root twice 493 src = ast.parse('1 + 1', mode='eval') 494 self.assertEqual(ast.increment_lineno(src.body, n=3), src.body) 495 self.assertEqual(ast.dump(src, include_attributes=True), 496 'Expression(body=BinOp(left=Num(n=1, lineno=4, col_offset=0), ' 497 'op=Add(), right=Num(n=1, lineno=4, col_offset=4), lineno=4, ' 498 'col_offset=0))' 499 ) 500 501 def test_iter_fields(self): 502 node = ast.parse('foo()', mode='eval') 503 d = dict(ast.iter_fields(node.body)) 504 self.assertEqual(d.pop('func').id, 'foo') 505 self.assertEqual(d, {'keywords': [], 'args': []}) 506 507 def test_iter_child_nodes(self): 508 node = ast.parse("spam(23, 42, eggs='leek')", mode='eval') 509 self.assertEqual(len(list(ast.iter_child_nodes(node.body))), 4) 510 iterator = ast.iter_child_nodes(node.body) 511 self.assertEqual(next(iterator).id, 'spam') 512 self.assertEqual(next(iterator).n, 23) 513 self.assertEqual(next(iterator).n, 42) 514 self.assertEqual(ast.dump(next(iterator)), 515 "keyword(arg='eggs', value=Str(s='leek'))" 516 ) 517 518 def test_get_docstring(self): 519 node = ast.parse('def foo():\n """line one\n line two"""') 520 self.assertEqual(ast.get_docstring(node.body[0]), 521 'line one\nline two') 522 523 node = ast.parse('async def foo():\n """spam\n ham"""') 524 self.assertEqual(ast.get_docstring(node.body[0]), 'spam\nham') 525 526 def test_literal_eval(self): 527 self.assertEqual(ast.literal_eval('[1, 2, 3]'), [1, 2, 3]) 528 self.assertEqual(ast.literal_eval('{"foo": 42}'), {"foo": 42}) 529 self.assertEqual(ast.literal_eval('(True, False, None)'), (True, False, None)) 530 self.assertEqual(ast.literal_eval('{1, 2, 3}'), {1, 2, 3}) 531 self.assertEqual(ast.literal_eval('b"hi"'), b"hi") 532 self.assertRaises(ValueError, ast.literal_eval, 'foo()') 533 self.assertEqual(ast.literal_eval('-6'), -6) 534 self.assertEqual(ast.literal_eval('-6j+3'), 3-6j) 535 self.assertEqual(ast.literal_eval('3.25'), 3.25) 536 537 def test_literal_eval_issue4907(self): 538 self.assertEqual(ast.literal_eval('2j'), 2j) 539 self.assertEqual(ast.literal_eval('10 + 2j'), 10 + 2j) 540 self.assertEqual(ast.literal_eval('1.5 - 2j'), 1.5 - 2j) 541 542 def test_bad_integer(self): 543 # issue13436: Bad error message with invalid numeric values 544 body = [ast.ImportFrom(module='time', 545 names=[ast.alias(name='sleep')], 546 level=None, 547 lineno=None, col_offset=None)] 548 mod = ast.Module(body) 549 with self.assertRaises(ValueError) as cm: 550 compile(mod, 'test', 'exec') 551 self.assertIn("invalid integer value: None", str(cm.exception)) 552 553 def test_level_as_none(self): 554 body = [ast.ImportFrom(module='time', 555 names=[ast.alias(name='sleep')], 556 level=None, 557 lineno=0, col_offset=0)] 558 mod = ast.Module(body) 559 code = compile(mod, 'test', 'exec') 560 ns = {} 561 exec(code, ns) 562 self.assertIn('sleep', ns) 563 564 565class ASTValidatorTests(unittest.TestCase): 566 567 def mod(self, mod, msg=None, mode="exec", *, exc=ValueError): 568 mod.lineno = mod.col_offset = 0 569 ast.fix_missing_locations(mod) 570 with self.assertRaises(exc) as cm: 571 compile(mod, "<test>", mode) 572 if msg is not None: 573 self.assertIn(msg, str(cm.exception)) 574 575 def expr(self, node, msg=None, *, exc=ValueError): 576 mod = ast.Module([ast.Expr(node)]) 577 self.mod(mod, msg, exc=exc) 578 579 def stmt(self, stmt, msg=None): 580 mod = ast.Module([stmt]) 581 self.mod(mod, msg) 582 583 def test_module(self): 584 m = ast.Interactive([ast.Expr(ast.Name("x", ast.Store()))]) 585 self.mod(m, "must have Load context", "single") 586 m = ast.Expression(ast.Name("x", ast.Store())) 587 self.mod(m, "must have Load context", "eval") 588 589 def _check_arguments(self, fac, check): 590 def arguments(args=None, vararg=None, 591 kwonlyargs=None, kwarg=None, 592 defaults=None, kw_defaults=None): 593 if args is None: 594 args = [] 595 if kwonlyargs is None: 596 kwonlyargs = [] 597 if defaults is None: 598 defaults = [] 599 if kw_defaults is None: 600 kw_defaults = [] 601 args = ast.arguments(args, vararg, kwonlyargs, kw_defaults, 602 kwarg, defaults) 603 return fac(args) 604 args = [ast.arg("x", ast.Name("x", ast.Store()))] 605 check(arguments(args=args), "must have Load context") 606 check(arguments(kwonlyargs=args), "must have Load context") 607 check(arguments(defaults=[ast.Num(3)]), 608 "more positional defaults than args") 609 check(arguments(kw_defaults=[ast.Num(4)]), 610 "length of kwonlyargs is not the same as kw_defaults") 611 args = [ast.arg("x", ast.Name("x", ast.Load()))] 612 check(arguments(args=args, defaults=[ast.Name("x", ast.Store())]), 613 "must have Load context") 614 args = [ast.arg("a", ast.Name("x", ast.Load())), 615 ast.arg("b", ast.Name("y", ast.Load()))] 616 check(arguments(kwonlyargs=args, 617 kw_defaults=[None, ast.Name("x", ast.Store())]), 618 "must have Load context") 619 620 def test_funcdef(self): 621 a = ast.arguments([], None, [], [], None, []) 622 f = ast.FunctionDef("x", a, [], [], None) 623 self.stmt(f, "empty body on FunctionDef") 624 f = ast.FunctionDef("x", a, [ast.Pass()], [ast.Name("x", ast.Store())], 625 None) 626 self.stmt(f, "must have Load context") 627 f = ast.FunctionDef("x", a, [ast.Pass()], [], 628 ast.Name("x", ast.Store())) 629 self.stmt(f, "must have Load context") 630 def fac(args): 631 return ast.FunctionDef("x", args, [ast.Pass()], [], None) 632 self._check_arguments(fac, self.stmt) 633 634 def test_classdef(self): 635 def cls(bases=None, keywords=None, body=None, decorator_list=None): 636 if bases is None: 637 bases = [] 638 if keywords is None: 639 keywords = [] 640 if body is None: 641 body = [ast.Pass()] 642 if decorator_list is None: 643 decorator_list = [] 644 return ast.ClassDef("myclass", bases, keywords, 645 body, decorator_list) 646 self.stmt(cls(bases=[ast.Name("x", ast.Store())]), 647 "must have Load context") 648 self.stmt(cls(keywords=[ast.keyword("x", ast.Name("x", ast.Store()))]), 649 "must have Load context") 650 self.stmt(cls(body=[]), "empty body on ClassDef") 651 self.stmt(cls(body=[None]), "None disallowed") 652 self.stmt(cls(decorator_list=[ast.Name("x", ast.Store())]), 653 "must have Load context") 654 655 def test_delete(self): 656 self.stmt(ast.Delete([]), "empty targets on Delete") 657 self.stmt(ast.Delete([None]), "None disallowed") 658 self.stmt(ast.Delete([ast.Name("x", ast.Load())]), 659 "must have Del context") 660 661 def test_assign(self): 662 self.stmt(ast.Assign([], ast.Num(3)), "empty targets on Assign") 663 self.stmt(ast.Assign([None], ast.Num(3)), "None disallowed") 664 self.stmt(ast.Assign([ast.Name("x", ast.Load())], ast.Num(3)), 665 "must have Store context") 666 self.stmt(ast.Assign([ast.Name("x", ast.Store())], 667 ast.Name("y", ast.Store())), 668 "must have Load context") 669 670 def test_augassign(self): 671 aug = ast.AugAssign(ast.Name("x", ast.Load()), ast.Add(), 672 ast.Name("y", ast.Load())) 673 self.stmt(aug, "must have Store context") 674 aug = ast.AugAssign(ast.Name("x", ast.Store()), ast.Add(), 675 ast.Name("y", ast.Store())) 676 self.stmt(aug, "must have Load context") 677 678 def test_for(self): 679 x = ast.Name("x", ast.Store()) 680 y = ast.Name("y", ast.Load()) 681 p = ast.Pass() 682 self.stmt(ast.For(x, y, [], []), "empty body on For") 683 self.stmt(ast.For(ast.Name("x", ast.Load()), y, [p], []), 684 "must have Store context") 685 self.stmt(ast.For(x, ast.Name("y", ast.Store()), [p], []), 686 "must have Load context") 687 e = ast.Expr(ast.Name("x", ast.Store())) 688 self.stmt(ast.For(x, y, [e], []), "must have Load context") 689 self.stmt(ast.For(x, y, [p], [e]), "must have Load context") 690 691 def test_while(self): 692 self.stmt(ast.While(ast.Num(3), [], []), "empty body on While") 693 self.stmt(ast.While(ast.Name("x", ast.Store()), [ast.Pass()], []), 694 "must have Load context") 695 self.stmt(ast.While(ast.Num(3), [ast.Pass()], 696 [ast.Expr(ast.Name("x", ast.Store()))]), 697 "must have Load context") 698 699 def test_if(self): 700 self.stmt(ast.If(ast.Num(3), [], []), "empty body on If") 701 i = ast.If(ast.Name("x", ast.Store()), [ast.Pass()], []) 702 self.stmt(i, "must have Load context") 703 i = ast.If(ast.Num(3), [ast.Expr(ast.Name("x", ast.Store()))], []) 704 self.stmt(i, "must have Load context") 705 i = ast.If(ast.Num(3), [ast.Pass()], 706 [ast.Expr(ast.Name("x", ast.Store()))]) 707 self.stmt(i, "must have Load context") 708 709 def test_with(self): 710 p = ast.Pass() 711 self.stmt(ast.With([], [p]), "empty items on With") 712 i = ast.withitem(ast.Num(3), None) 713 self.stmt(ast.With([i], []), "empty body on With") 714 i = ast.withitem(ast.Name("x", ast.Store()), None) 715 self.stmt(ast.With([i], [p]), "must have Load context") 716 i = ast.withitem(ast.Num(3), ast.Name("x", ast.Load())) 717 self.stmt(ast.With([i], [p]), "must have Store context") 718 719 def test_raise(self): 720 r = ast.Raise(None, ast.Num(3)) 721 self.stmt(r, "Raise with cause but no exception") 722 r = ast.Raise(ast.Name("x", ast.Store()), None) 723 self.stmt(r, "must have Load context") 724 r = ast.Raise(ast.Num(4), ast.Name("x", ast.Store())) 725 self.stmt(r, "must have Load context") 726 727 def test_try(self): 728 p = ast.Pass() 729 t = ast.Try([], [], [], [p]) 730 self.stmt(t, "empty body on Try") 731 t = ast.Try([ast.Expr(ast.Name("x", ast.Store()))], [], [], [p]) 732 self.stmt(t, "must have Load context") 733 t = ast.Try([p], [], [], []) 734 self.stmt(t, "Try has neither except handlers nor finalbody") 735 t = ast.Try([p], [], [p], [p]) 736 self.stmt(t, "Try has orelse but no except handlers") 737 t = ast.Try([p], [ast.ExceptHandler(None, "x", [])], [], []) 738 self.stmt(t, "empty body on ExceptHandler") 739 e = [ast.ExceptHandler(ast.Name("x", ast.Store()), "y", [p])] 740 self.stmt(ast.Try([p], e, [], []), "must have Load context") 741 e = [ast.ExceptHandler(None, "x", [p])] 742 t = ast.Try([p], e, [ast.Expr(ast.Name("x", ast.Store()))], [p]) 743 self.stmt(t, "must have Load context") 744 t = ast.Try([p], e, [p], [ast.Expr(ast.Name("x", ast.Store()))]) 745 self.stmt(t, "must have Load context") 746 747 def test_assert(self): 748 self.stmt(ast.Assert(ast.Name("x", ast.Store()), None), 749 "must have Load context") 750 assrt = ast.Assert(ast.Name("x", ast.Load()), 751 ast.Name("y", ast.Store())) 752 self.stmt(assrt, "must have Load context") 753 754 def test_import(self): 755 self.stmt(ast.Import([]), "empty names on Import") 756 757 def test_importfrom(self): 758 imp = ast.ImportFrom(None, [ast.alias("x", None)], -42) 759 self.stmt(imp, "Negative ImportFrom level") 760 self.stmt(ast.ImportFrom(None, [], 0), "empty names on ImportFrom") 761 762 def test_global(self): 763 self.stmt(ast.Global([]), "empty names on Global") 764 765 def test_nonlocal(self): 766 self.stmt(ast.Nonlocal([]), "empty names on Nonlocal") 767 768 def test_expr(self): 769 e = ast.Expr(ast.Name("x", ast.Store())) 770 self.stmt(e, "must have Load context") 771 772 def test_boolop(self): 773 b = ast.BoolOp(ast.And(), []) 774 self.expr(b, "less than 2 values") 775 b = ast.BoolOp(ast.And(), [ast.Num(3)]) 776 self.expr(b, "less than 2 values") 777 b = ast.BoolOp(ast.And(), [ast.Num(4), None]) 778 self.expr(b, "None disallowed") 779 b = ast.BoolOp(ast.And(), [ast.Num(4), ast.Name("x", ast.Store())]) 780 self.expr(b, "must have Load context") 781 782 def test_unaryop(self): 783 u = ast.UnaryOp(ast.Not(), ast.Name("x", ast.Store())) 784 self.expr(u, "must have Load context") 785 786 def test_lambda(self): 787 a = ast.arguments([], None, [], [], None, []) 788 self.expr(ast.Lambda(a, ast.Name("x", ast.Store())), 789 "must have Load context") 790 def fac(args): 791 return ast.Lambda(args, ast.Name("x", ast.Load())) 792 self._check_arguments(fac, self.expr) 793 794 def test_ifexp(self): 795 l = ast.Name("x", ast.Load()) 796 s = ast.Name("y", ast.Store()) 797 for args in (s, l, l), (l, s, l), (l, l, s): 798 self.expr(ast.IfExp(*args), "must have Load context") 799 800 def test_dict(self): 801 d = ast.Dict([], [ast.Name("x", ast.Load())]) 802 self.expr(d, "same number of keys as values") 803 d = ast.Dict([ast.Name("x", ast.Load())], [None]) 804 self.expr(d, "None disallowed") 805 806 def test_set(self): 807 self.expr(ast.Set([None]), "None disallowed") 808 s = ast.Set([ast.Name("x", ast.Store())]) 809 self.expr(s, "must have Load context") 810 811 def _check_comprehension(self, fac): 812 self.expr(fac([]), "comprehension with no generators") 813 g = ast.comprehension(ast.Name("x", ast.Load()), 814 ast.Name("x", ast.Load()), [], 0) 815 self.expr(fac([g]), "must have Store context") 816 g = ast.comprehension(ast.Name("x", ast.Store()), 817 ast.Name("x", ast.Store()), [], 0) 818 self.expr(fac([g]), "must have Load context") 819 x = ast.Name("x", ast.Store()) 820 y = ast.Name("y", ast.Load()) 821 g = ast.comprehension(x, y, [None], 0) 822 self.expr(fac([g]), "None disallowed") 823 g = ast.comprehension(x, y, [ast.Name("x", ast.Store())], 0) 824 self.expr(fac([g]), "must have Load context") 825 826 def _simple_comp(self, fac): 827 g = ast.comprehension(ast.Name("x", ast.Store()), 828 ast.Name("x", ast.Load()), [], 0) 829 self.expr(fac(ast.Name("x", ast.Store()), [g]), 830 "must have Load context") 831 def wrap(gens): 832 return fac(ast.Name("x", ast.Store()), gens) 833 self._check_comprehension(wrap) 834 835 def test_listcomp(self): 836 self._simple_comp(ast.ListComp) 837 838 def test_setcomp(self): 839 self._simple_comp(ast.SetComp) 840 841 def test_generatorexp(self): 842 self._simple_comp(ast.GeneratorExp) 843 844 def test_dictcomp(self): 845 g = ast.comprehension(ast.Name("y", ast.Store()), 846 ast.Name("p", ast.Load()), [], 0) 847 c = ast.DictComp(ast.Name("x", ast.Store()), 848 ast.Name("y", ast.Load()), [g]) 849 self.expr(c, "must have Load context") 850 c = ast.DictComp(ast.Name("x", ast.Load()), 851 ast.Name("y", ast.Store()), [g]) 852 self.expr(c, "must have Load context") 853 def factory(comps): 854 k = ast.Name("x", ast.Load()) 855 v = ast.Name("y", ast.Load()) 856 return ast.DictComp(k, v, comps) 857 self._check_comprehension(factory) 858 859 def test_yield(self): 860 self.expr(ast.Yield(ast.Name("x", ast.Store())), "must have Load") 861 self.expr(ast.YieldFrom(ast.Name("x", ast.Store())), "must have Load") 862 863 def test_compare(self): 864 left = ast.Name("x", ast.Load()) 865 comp = ast.Compare(left, [ast.In()], []) 866 self.expr(comp, "no comparators") 867 comp = ast.Compare(left, [ast.In()], [ast.Num(4), ast.Num(5)]) 868 self.expr(comp, "different number of comparators and operands") 869 comp = ast.Compare(ast.Num("blah"), [ast.In()], [left]) 870 self.expr(comp, "non-numeric", exc=TypeError) 871 comp = ast.Compare(left, [ast.In()], [ast.Num("blah")]) 872 self.expr(comp, "non-numeric", exc=TypeError) 873 874 def test_call(self): 875 func = ast.Name("x", ast.Load()) 876 args = [ast.Name("y", ast.Load())] 877 keywords = [ast.keyword("w", ast.Name("z", ast.Load()))] 878 call = ast.Call(ast.Name("x", ast.Store()), args, keywords) 879 self.expr(call, "must have Load context") 880 call = ast.Call(func, [None], keywords) 881 self.expr(call, "None disallowed") 882 bad_keywords = [ast.keyword("w", ast.Name("z", ast.Store()))] 883 call = ast.Call(func, args, bad_keywords) 884 self.expr(call, "must have Load context") 885 886 def test_num(self): 887 class subint(int): 888 pass 889 class subfloat(float): 890 pass 891 class subcomplex(complex): 892 pass 893 for obj in "0", "hello", subint(), subfloat(), subcomplex(): 894 self.expr(ast.Num(obj), "non-numeric", exc=TypeError) 895 896 def test_attribute(self): 897 attr = ast.Attribute(ast.Name("x", ast.Store()), "y", ast.Load()) 898 self.expr(attr, "must have Load context") 899 900 def test_subscript(self): 901 sub = ast.Subscript(ast.Name("x", ast.Store()), ast.Index(ast.Num(3)), 902 ast.Load()) 903 self.expr(sub, "must have Load context") 904 x = ast.Name("x", ast.Load()) 905 sub = ast.Subscript(x, ast.Index(ast.Name("y", ast.Store())), 906 ast.Load()) 907 self.expr(sub, "must have Load context") 908 s = ast.Name("x", ast.Store()) 909 for args in (s, None, None), (None, s, None), (None, None, s): 910 sl = ast.Slice(*args) 911 self.expr(ast.Subscript(x, sl, ast.Load()), 912 "must have Load context") 913 sl = ast.ExtSlice([]) 914 self.expr(ast.Subscript(x, sl, ast.Load()), "empty dims on ExtSlice") 915 sl = ast.ExtSlice([ast.Index(s)]) 916 self.expr(ast.Subscript(x, sl, ast.Load()), "must have Load context") 917 918 def test_starred(self): 919 left = ast.List([ast.Starred(ast.Name("x", ast.Load()), ast.Store())], 920 ast.Store()) 921 assign = ast.Assign([left], ast.Num(4)) 922 self.stmt(assign, "must have Store context") 923 924 def _sequence(self, fac): 925 self.expr(fac([None], ast.Load()), "None disallowed") 926 self.expr(fac([ast.Name("x", ast.Store())], ast.Load()), 927 "must have Load context") 928 929 def test_list(self): 930 self._sequence(ast.List) 931 932 def test_tuple(self): 933 self._sequence(ast.Tuple) 934 935 def test_nameconstant(self): 936 self.expr(ast.NameConstant(4), "singleton must be True, False, or None") 937 938 def test_stdlib_validates(self): 939 stdlib = os.path.dirname(ast.__file__) 940 tests = [fn for fn in os.listdir(stdlib) if fn.endswith(".py")] 941 tests.extend(["test/test_grammar.py", "test/test_unpack_ex.py"]) 942 for module in tests: 943 fn = os.path.join(stdlib, module) 944 with open(fn, "r", encoding="utf-8") as fp: 945 source = fp.read() 946 mod = ast.parse(source, fn) 947 compile(mod, fn, "exec") 948 949 950class ConstantTests(unittest.TestCase): 951 """Tests on the ast.Constant node type.""" 952 953 def compile_constant(self, value): 954 tree = ast.parse("x = 123") 955 956 node = tree.body[0].value 957 new_node = ast.Constant(value=value) 958 ast.copy_location(new_node, node) 959 tree.body[0].value = new_node 960 961 code = compile(tree, "<string>", "exec") 962 963 ns = {} 964 exec(code, ns) 965 return ns['x'] 966 967 def test_validation(self): 968 with self.assertRaises(TypeError) as cm: 969 self.compile_constant([1, 2, 3]) 970 self.assertEqual(str(cm.exception), 971 "got an invalid type in Constant: list") 972 973 def test_singletons(self): 974 for const in (None, False, True, Ellipsis, b'', frozenset()): 975 with self.subTest(const=const): 976 value = self.compile_constant(const) 977 self.assertIs(value, const) 978 979 def test_values(self): 980 nested_tuple = (1,) 981 nested_frozenset = frozenset({1}) 982 for level in range(3): 983 nested_tuple = (nested_tuple, 2) 984 nested_frozenset = frozenset({nested_frozenset, 2}) 985 values = (123, 123.0, 123j, 986 "unicode", b'bytes', 987 tuple("tuple"), frozenset("frozenset"), 988 nested_tuple, nested_frozenset) 989 for value in values: 990 with self.subTest(value=value): 991 result = self.compile_constant(value) 992 self.assertEqual(result, value) 993 994 def test_assign_to_constant(self): 995 tree = ast.parse("x = 1") 996 997 target = tree.body[0].targets[0] 998 new_target = ast.Constant(value=1) 999 ast.copy_location(new_target, target) 1000 tree.body[0].targets[0] = new_target 1001 1002 with self.assertRaises(ValueError) as cm: 1003 compile(tree, "string", "exec") 1004 self.assertEqual(str(cm.exception), 1005 "expression which can't be assigned " 1006 "to in Store context") 1007 1008 def test_get_docstring(self): 1009 tree = ast.parse("'docstring'\nx = 1") 1010 self.assertEqual(ast.get_docstring(tree), 'docstring') 1011 1012 tree.body[0].value = ast.Constant(value='constant docstring') 1013 self.assertEqual(ast.get_docstring(tree), 'constant docstring') 1014 1015 def get_load_const(self, tree): 1016 # Compile to bytecode, disassemble and get parameter of LOAD_CONST 1017 # instructions 1018 co = compile(tree, '<string>', 'exec') 1019 consts = [] 1020 for instr in dis.get_instructions(co): 1021 if instr.opname == 'LOAD_CONST': 1022 consts.append(instr.argval) 1023 return consts 1024 1025 @support.cpython_only 1026 def test_load_const(self): 1027 consts = [None, 1028 True, False, 1029 124, 1030 2.0, 1031 3j, 1032 "unicode", 1033 b'bytes', 1034 (1, 2, 3)] 1035 1036 code = '\n'.join(['x={!r}'.format(const) for const in consts]) 1037 code += '\nx = ...' 1038 consts.extend((Ellipsis, None)) 1039 1040 tree = ast.parse(code) 1041 self.assertEqual(self.get_load_const(tree), 1042 consts) 1043 1044 # Replace expression nodes with constants 1045 for assign, const in zip(tree.body, consts): 1046 assert isinstance(assign, ast.Assign), ast.dump(assign) 1047 new_node = ast.Constant(value=const) 1048 ast.copy_location(new_node, assign.value) 1049 assign.value = new_node 1050 1051 self.assertEqual(self.get_load_const(tree), 1052 consts) 1053 1054 def test_literal_eval(self): 1055 tree = ast.parse("1 + 2") 1056 binop = tree.body[0].value 1057 1058 new_left = ast.Constant(value=10) 1059 ast.copy_location(new_left, binop.left) 1060 binop.left = new_left 1061 1062 new_right = ast.Constant(value=20) 1063 ast.copy_location(new_right, binop.right) 1064 binop.right = new_right 1065 1066 self.assertEqual(ast.literal_eval(binop), 30) 1067 1068 1069def main(): 1070 if __name__ != '__main__': 1071 return 1072 if sys.argv[1:] == ['-g']: 1073 for statements, kind in ((exec_tests, "exec"), (single_tests, "single"), 1074 (eval_tests, "eval")): 1075 print(kind+"_results = [") 1076 for statement in statements: 1077 tree = ast.parse(statement, "?", kind) 1078 print("%r," % (to_tuple(tree),)) 1079 print("]") 1080 print("main()") 1081 raise SystemExit 1082 unittest.main() 1083 1084#### EVERYTHING BELOW IS GENERATED ##### 1085exec_results = [ 1086('Module', [('Expr', (1, 0), ('NameConstant', (1, 0), None))]), 1087('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], None, []), [('Pass', (1, 9))], [], None)]), 1088('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [('arg', (1, 6), 'a', None)], None, [], [], None, []), [('Pass', (1, 10))], [], None)]), 1089('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [('arg', (1, 6), 'a', None)], None, [], [], None, [('Num', (1, 8), 0)]), [('Pass', (1, 12))], [], None)]), 1090('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], ('arg', (1, 7), 'args', None), [], [], None, []), [('Pass', (1, 14))], [], None)]), 1091('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], ('arg', (1, 8), 'kwargs', None), []), [('Pass', (1, 17))], [], None)]), 1092('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [('arg', (1, 6), 'a', None), ('arg', (1, 9), 'b', None), ('arg', (1, 14), 'c', None), ('arg', (1, 22), 'd', None), ('arg', (1, 28), 'e', None)], ('arg', (1, 35), 'args', None), [('arg', (1, 41), 'f', None)], [('Num', (1, 43), 42)], ('arg', (1, 49), 'kwargs', None), [('Num', (1, 11), 1), ('NameConstant', (1, 16), None), ('List', (1, 24), [], ('Load',)), ('Dict', (1, 30), [], [])]), [('Pass', (1, 58))], [], None)]), 1093('Module', [('ClassDef', (1, 0), 'C', [], [], [('Pass', (1, 8))], [])]), 1094('Module', [('ClassDef', (1, 0), 'C', [('Name', (1, 8), 'object', ('Load',))], [], [('Pass', (1, 17))], [])]), 1095('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], None, []), [('Return', (1, 8), ('Num', (1, 15), 1))], [], None)]), 1096('Module', [('Delete', (1, 0), [('Name', (1, 4), 'v', ('Del',))])]), 1097('Module', [('Assign', (1, 0), [('Name', (1, 0), 'v', ('Store',))], ('Num', (1, 4), 1))]), 1098('Module', [('AugAssign', (1, 0), ('Name', (1, 0), 'v', ('Store',)), ('Add',), ('Num', (1, 5), 1))]), 1099('Module', [('For', (1, 0), ('Name', (1, 4), 'v', ('Store',)), ('Name', (1, 9), 'v', ('Load',)), [('Pass', (1, 11))], [])]), 1100('Module', [('While', (1, 0), ('Name', (1, 6), 'v', ('Load',)), [('Pass', (1, 8))], [])]), 1101('Module', [('If', (1, 0), ('Name', (1, 3), 'v', ('Load',)), [('Pass', (1, 5))], [])]), 1102('Module', [('With', (1, 0), [('withitem', ('Name', (1, 5), 'x', ('Load',)), ('Name', (1, 10), 'y', ('Store',)))], [('Pass', (1, 13))])]), 1103('Module', [('With', (1, 0), [('withitem', ('Name', (1, 5), 'x', ('Load',)), ('Name', (1, 10), 'y', ('Store',))), ('withitem', ('Name', (1, 13), 'z', ('Load',)), ('Name', (1, 18), 'q', ('Store',)))], [('Pass', (1, 21))])]), 1104('Module', [('Raise', (1, 0), ('Call', (1, 6), ('Name', (1, 6), 'Exception', ('Load',)), [('Str', (1, 16), 'string')], []), None)]), 1105('Module', [('Try', (1, 0), [('Pass', (2, 2))], [('ExceptHandler', (3, 0), ('Name', (3, 7), 'Exception', ('Load',)), None, [('Pass', (4, 2))])], [], [])]), 1106('Module', [('Try', (1, 0), [('Pass', (2, 2))], [], [], [('Pass', (4, 2))])]), 1107('Module', [('Assert', (1, 0), ('Name', (1, 7), 'v', ('Load',)), None)]), 1108('Module', [('Import', (1, 0), [('alias', 'sys', None)])]), 1109('Module', [('ImportFrom', (1, 0), 'sys', [('alias', 'v', None)], 0)]), 1110('Module', [('Global', (1, 0), ['v'])]), 1111('Module', [('Expr', (1, 0), ('Num', (1, 0), 1))]), 1112('Module', [('Pass', (1, 0))]), 1113('Module', [('For', (1, 0), ('Name', (1, 4), 'v', ('Store',)), ('Name', (1, 9), 'v', ('Load',)), [('Break', (1, 11))], [])]), 1114('Module', [('For', (1, 0), ('Name', (1, 4), 'v', ('Store',)), ('Name', (1, 9), 'v', ('Load',)), [('Continue', (1, 11))], [])]), 1115('Module', [('For', (1, 0), ('Tuple', (1, 4), [('Name', (1, 4), 'a', ('Store',)), ('Name', (1, 6), 'b', ('Store',))], ('Store',)), ('Name', (1, 11), 'c', ('Load',)), [('Pass', (1, 14))], [])]), 1116('Module', [('Expr', (1, 0), ('ListComp', (1, 1), ('Tuple', (1, 2), [('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)]))]), 1117('Module', [('Expr', (1, 0), ('GeneratorExp', (1, 1), ('Tuple', (1, 2), [('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)]))]), 1118('Module', [('Expr', (1, 0), ('GeneratorExp', (1, 1), ('Tuple', (1, 2), [('Name', (1, 2), 'a', ('Load',)), ('Name', (1, 4), 'b', ('Load',))], ('Load',)), [('comprehension', ('Tuple', (1, 12), [('Name', (1, 12), 'a', ('Store',)), ('Name', (1, 14), 'b', ('Store',))], ('Store',)), ('Name', (1, 20), 'c', ('Load',)), [], 0)]))]), 1119('Module', [('Expr', (1, 0), ('GeneratorExp', (2, 4), ('Tuple', (3, 4), [('Name', (3, 4), 'Aa', ('Load',)), ('Name', (5, 7), 'Bb', ('Load',))], ('Load',)), [('comprehension', ('Tuple', (8, 4), [('Name', (8, 4), 'Aa', ('Store',)), ('Name', (10, 4), 'Bb', ('Store',))], ('Store',)), ('Name', (10, 10), 'Cc', ('Load',)), [], 0)]))]), 1120('Module', [('Expr', (1, 0), ('DictComp', (1, 0), ('Name', (1, 1), 'a', ('Load',)), ('Name', (1, 5), 'b', ('Load',)), [('comprehension', ('Name', (1, 11), 'w', ('Store',)), ('Name', (1, 16), 'x', ('Load',)), [], 0), ('comprehension', ('Name', (1, 22), 'm', ('Store',)), ('Name', (1, 27), 'p', ('Load',)), [('Name', (1, 32), 'g', ('Load',))], 0)]))]), 1121('Module', [('Expr', (1, 0), ('DictComp', (1, 0), ('Name', (1, 1), 'a', ('Load',)), ('Name', (1, 5), 'b', ('Load',)), [('comprehension', ('Tuple', (1, 11), [('Name', (1, 11), 'v', ('Store',)), ('Name', (1, 13), 'w', ('Store',))], ('Store',)), ('Name', (1, 18), 'x', ('Load',)), [], 0)]))]), 1122('Module', [('Expr', (1, 0), ('SetComp', (1, 0), ('Name', (1, 1), 'r', ('Load',)), [('comprehension', ('Name', (1, 7), 'l', ('Store',)), ('Name', (1, 12), 'x', ('Load',)), [('Name', (1, 17), 'g', ('Load',))], 0)]))]), 1123('Module', [('Expr', (1, 0), ('SetComp', (1, 0), ('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',)), [], 0)]))]), 1124('Module', [('AsyncFunctionDef', (1, 6), 'f', ('arguments', [], None, [], [], None, []), [('Expr', (2, 1), ('Await', (2, 1), ('Call', (2, 7), ('Name', (2, 7), 'something', ('Load',)), [], [])))], [], None)]), 1125('Module', [('AsyncFunctionDef', (1, 6), 'f', ('arguments', [], None, [], [], None, []), [('AsyncFor', (2, 7), ('Name', (2, 11), 'e', ('Store',)), ('Name', (2, 16), 'i', ('Load',)), [('Expr', (2, 19), ('Num', (2, 19), 1))], [('Expr', (3, 7), ('Num', (3, 7), 2))])], [], None)]), 1126('Module', [('AsyncFunctionDef', (1, 6), 'f', ('arguments', [], None, [], [], None, []), [('AsyncWith', (2, 7), [('withitem', ('Name', (2, 12), 'a', ('Load',)), ('Name', (2, 17), 'b', ('Store',)))], [('Expr', (2, 20), ('Num', (2, 20), 1))])], [], None)]), 1127('Module', [('Expr', (1, 0), ('Dict', (1, 0), [None, ('Num', (1, 10), 2)], [('Dict', (1, 3), [('Num', (1, 4), 1)], [('Num', (1, 6), 2)]), ('Num', (1, 12), 3)]))]), 1128('Module', [('Expr', (1, 0), ('Set', (1, 0), [('Starred', (1, 1), ('Set', (1, 2), [('Num', (1, 3), 1), ('Num', (1, 6), 2)]), ('Load',)), ('Num', (1, 10), 3)]))]), 1129('Module', [('AsyncFunctionDef', (1, 6), 'f', ('arguments', [], None, [], [], None, []), [('Expr', (2, 1), ('ListComp', (2, 2), ('Name', (2, 2), 'i', ('Load',)), [('comprehension', ('Name', (2, 14), 'b', ('Store',)), ('Name', (2, 19), 'c', ('Load',)), [], 1)]))], [], None)]), 1130] 1131single_results = [ 1132('Interactive', [('Expr', (1, 0), ('BinOp', (1, 0), ('Num', (1, 0), 1), ('Add',), ('Num', (1, 2), 2)))]), 1133] 1134eval_results = [ 1135('Expression', ('NameConstant', (1, 0), None)), 1136('Expression', ('BoolOp', (1, 0), ('And',), [('Name', (1, 0), 'a', ('Load',)), ('Name', (1, 6), 'b', ('Load',))])), 1137('Expression', ('BinOp', (1, 0), ('Name', (1, 0), 'a', ('Load',)), ('Add',), ('Name', (1, 4), 'b', ('Load',)))), 1138('Expression', ('UnaryOp', (1, 0), ('Not',), ('Name', (1, 4), 'v', ('Load',)))), 1139('Expression', ('Lambda', (1, 0), ('arguments', [], None, [], [], None, []), ('NameConstant', (1, 7), None))), 1140('Expression', ('Dict', (1, 0), [('Num', (1, 2), 1)], [('Num', (1, 4), 2)])), 1141('Expression', ('Dict', (1, 0), [], [])), 1142('Expression', ('Set', (1, 0), [('NameConstant', (1, 1), None)])), 1143('Expression', ('Dict', (1, 0), [('Num', (2, 6), 1)], [('Num', (4, 10), 2)])), 1144('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',))], 0)])), 1145('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',))], 0)])), 1146('Expression', ('Compare', (1, 0), ('Num', (1, 0), 1), [('Lt',), ('Lt',)], [('Num', (1, 4), 2), ('Num', (1, 8), 3)])), 1147('Expression', ('Call', (1, 0), ('Name', (1, 0), 'f', ('Load',)), [('Num', (1, 2), 1), ('Num', (1, 4), 2), ('Starred', (1, 10), ('Name', (1, 11), 'd', ('Load',)), ('Load',))], [('keyword', 'c', ('Num', (1, 8), 3)), ('keyword', None, ('Name', (1, 15), 'e', ('Load',)))])), 1148('Expression', ('Num', (1, 0), 10)), 1149('Expression', ('Str', (1, 0), 'string')), 1150('Expression', ('Attribute', (1, 0), ('Name', (1, 0), 'a', ('Load',)), 'b', ('Load',))), 1151('Expression', ('Subscript', (1, 0), ('Name', (1, 0), 'a', ('Load',)), ('Slice', ('Name', (1, 2), 'b', ('Load',)), ('Name', (1, 4), 'c', ('Load',)), None), ('Load',))), 1152('Expression', ('Name', (1, 0), 'v', ('Load',))), 1153('Expression', ('List', (1, 0), [('Num', (1, 1), 1), ('Num', (1, 3), 2), ('Num', (1, 5), 3)], ('Load',))), 1154('Expression', ('List', (1, 0), [], ('Load',))), 1155('Expression', ('Tuple', (1, 0), [('Num', (1, 0), 1), ('Num', (1, 2), 2), ('Num', (1, 4), 3)], ('Load',))), 1156('Expression', ('Tuple', (1, 1), [('Num', (1, 1), 1), ('Num', (1, 3), 2), ('Num', (1, 5), 3)], ('Load',))), 1157('Expression', ('Tuple', (1, 0), [], ('Load',))), 1158('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',))], [])), 1159] 1160main() 1161