437 lines
13 KiB
Python
437 lines
13 KiB
Python
source = '''# line 1
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'A module docstring.'
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import sys, inspect
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# line 5
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# line 7
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def spam(a, b, c, d=3, (e, (f,))=(4, (5,)), *g, **h):
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eggs(b + d, c + f)
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# line 11
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def eggs(x, y):
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"A docstring."
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global fr, st
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fr = inspect.currentframe()
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st = inspect.stack()
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p = x
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q = y / 0
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# line 20
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class StupidGit:
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"""A longer,
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indented
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docstring."""
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# line 27
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def abuse(self, a, b, c):
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"""Another
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\tdocstring
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containing
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\ttabs
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\t
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"""
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self.argue(a, b, c)
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# line 40
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def argue(self, a, b, c):
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try:
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spam(a, b, c)
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except:
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self.ex = sys.exc_info()
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self.tr = inspect.trace()
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# line 48
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class MalodorousPervert(StupidGit):
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pass
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class ParrotDroppings:
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pass
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class FesteringGob(MalodorousPervert, ParrotDroppings):
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pass
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'''
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# Functions tested in this suite:
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# ismodule, isclass, ismethod, isfunction, istraceback, isframe, iscode,
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# isbuiltin, isroutine, getmembers, getdoc, getfile, getmodule,
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# getsourcefile, getcomments, getsource, getclasstree, getargspec,
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# getargvalues, formatargspec, formatargvalues, currentframe, stack, trace
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from test_support import TestFailed, TESTFN
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import sys, imp, os, string
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def test(assertion, message, *args):
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if not assertion:
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raise TestFailed, message % args
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import inspect
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file = open(TESTFN, 'w')
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file.write(source)
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file.close()
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# Note that load_source creates file TESTFN+'c' or TESTFN+'o'.
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mod = imp.load_source('testmod', TESTFN)
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files_to_clean_up = [TESTFN, TESTFN + 'c', TESTFN + 'o']
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def istest(func, exp):
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obj = eval(exp)
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test(func(obj), '%s(%s)' % (func.__name__, exp))
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for other in [inspect.isbuiltin, inspect.isclass, inspect.iscode,
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inspect.isframe, inspect.isfunction, inspect.ismethod,
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inspect.ismodule, inspect.istraceback]:
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if other is not func:
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test(not other(obj), 'not %s(%s)' % (other.__name__, exp))
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git = mod.StupidGit()
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try:
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1/0
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except:
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tb = sys.exc_traceback
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istest(inspect.isbuiltin, 'sys.exit')
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istest(inspect.isbuiltin, '[].append')
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istest(inspect.isclass, 'mod.StupidGit')
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istest(inspect.iscode, 'mod.spam.func_code')
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istest(inspect.isframe, 'tb.tb_frame')
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istest(inspect.isfunction, 'mod.spam')
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istest(inspect.ismethod, 'mod.StupidGit.abuse')
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istest(inspect.ismethod, 'git.argue')
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istest(inspect.ismodule, 'mod')
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istest(inspect.istraceback, 'tb')
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test(inspect.isroutine(mod.spam), 'isroutine(mod.spam)')
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test(inspect.isroutine([].count), 'isroutine([].count)')
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classes = inspect.getmembers(mod, inspect.isclass)
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test(classes ==
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[('FesteringGob', mod.FesteringGob),
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('MalodorousPervert', mod.MalodorousPervert),
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('ParrotDroppings', mod.ParrotDroppings),
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('StupidGit', mod.StupidGit)], 'class list')
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tree = inspect.getclasstree(map(lambda x: x[1], classes), 1)
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test(tree ==
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[(mod.ParrotDroppings, ()),
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(mod.StupidGit, ()),
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[(mod.MalodorousPervert, (mod.StupidGit,)),
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[(mod.FesteringGob, (mod.MalodorousPervert, mod.ParrotDroppings))
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]
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]
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], 'class tree')
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functions = inspect.getmembers(mod, inspect.isfunction)
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test(functions == [('eggs', mod.eggs), ('spam', mod.spam)], 'function list')
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test(inspect.getdoc(mod) == 'A module docstring.', 'getdoc(mod)')
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test(inspect.getcomments(mod) == '# line 1\n', 'getcomments(mod)')
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test(inspect.getmodule(mod.StupidGit) == mod, 'getmodule(mod.StupidGit)')
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test(inspect.getfile(mod.StupidGit) == TESTFN, 'getfile(mod.StupidGit)')
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test(inspect.getsourcefile(mod.spam) == TESTFN, 'getsourcefile(mod.spam)')
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test(inspect.getsourcefile(git.abuse) == TESTFN, 'getsourcefile(git.abuse)')
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def sourcerange(top, bottom):
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lines = string.split(source, '\n')
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return string.join(lines[top-1:bottom], '\n') + '\n'
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test(inspect.getsource(git.abuse) == sourcerange(29, 39),
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'getsource(git.abuse)')
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test(inspect.getsource(mod.StupidGit) == sourcerange(21, 46),
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'getsource(mod.StupidGit)')
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test(inspect.getdoc(mod.StupidGit) ==
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'A longer,\n\nindented\n\ndocstring.', 'getdoc(mod.StupidGit)')
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test(inspect.getdoc(git.abuse) ==
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'Another\n\ndocstring\n\ncontaining\n\ntabs\n\n', 'getdoc(git.abuse)')
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test(inspect.getcomments(mod.StupidGit) == '# line 20\n',
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'getcomments(mod.StupidGit)')
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args, varargs, varkw, defaults = inspect.getargspec(mod.eggs)
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test(args == ['x', 'y'], 'mod.eggs args')
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test(varargs == None, 'mod.eggs varargs')
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test(varkw == None, 'mod.eggs varkw')
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test(defaults == None, 'mod.eggs defaults')
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test(inspect.formatargspec(args, varargs, varkw, defaults) ==
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'(x, y)', 'mod.eggs formatted argspec')
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args, varargs, varkw, defaults = inspect.getargspec(mod.spam)
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test(args == ['a', 'b', 'c', 'd', ['e', ['f']]], 'mod.spam args')
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test(varargs == 'g', 'mod.spam varargs')
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test(varkw == 'h', 'mod.spam varkw')
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test(defaults == (3, (4, (5,))), 'mod.spam defaults')
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test(inspect.formatargspec(args, varargs, varkw, defaults) ==
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'(a, b, c, d=3, (e, (f,))=(4, (5,)), *g, **h)',
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'mod.spam formatted argspec')
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git.abuse(7, 8, 9)
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istest(inspect.istraceback, 'git.ex[2]')
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istest(inspect.isframe, 'mod.fr')
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test(len(git.tr) == 3, 'trace() length')
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test(git.tr[0][1:] == (TESTFN, 46, 'argue',
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[' self.tr = inspect.trace()\n'], 0),
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'trace() row 2')
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test(git.tr[1][1:] == (TESTFN, 9, 'spam', [' eggs(b + d, c + f)\n'], 0),
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'trace() row 2')
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test(git.tr[2][1:] == (TESTFN, 18, 'eggs', [' q = y / 0\n'], 0),
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'trace() row 3')
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test(len(mod.st) >= 5, 'stack() length')
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test(mod.st[0][1:] ==
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(TESTFN, 16, 'eggs', [' st = inspect.stack()\n'], 0),
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'stack() row 1')
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test(mod.st[1][1:] ==
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(TESTFN, 9, 'spam', [' eggs(b + d, c + f)\n'], 0),
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'stack() row 2')
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test(mod.st[2][1:] ==
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(TESTFN, 43, 'argue', [' spam(a, b, c)\n'], 0),
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'stack() row 3')
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test(mod.st[3][1:] ==
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(TESTFN, 39, 'abuse', [' self.argue(a, b, c)\n'], 0),
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'stack() row 4')
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args, varargs, varkw, locals = inspect.getargvalues(mod.fr)
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test(args == ['x', 'y'], 'mod.fr args')
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test(varargs == None, 'mod.fr varargs')
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test(varkw == None, 'mod.fr varkw')
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test(locals == {'x': 11, 'p': 11, 'y': 14}, 'mod.fr locals')
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test(inspect.formatargvalues(args, varargs, varkw, locals) ==
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'(x=11, y=14)', 'mod.fr formatted argvalues')
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args, varargs, varkw, locals = inspect.getargvalues(mod.fr.f_back)
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test(args == ['a', 'b', 'c', 'd', ['e', ['f']]], 'mod.fr.f_back args')
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test(varargs == 'g', 'mod.fr.f_back varargs')
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test(varkw == 'h', 'mod.fr.f_back varkw')
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test(inspect.formatargvalues(args, varargs, varkw, locals) ==
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'(a=7, b=8, c=9, d=3, (e=4, (f=5,)), *g=(), **h={})',
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'mod.fr.f_back formatted argvalues')
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for fname in files_to_clean_up:
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try:
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os.unlink(fname)
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except:
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pass
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# Test classic-class method resolution order.
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class A: pass
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class B(A): pass
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class C(A): pass
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class D(B, C): pass
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expected = (D, B, A, C)
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got = inspect.getmro(D)
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test(expected == got, "expected %r mro, got %r", expected, got)
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# The same w/ new-class MRO.
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class A(object): pass
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class B(A): pass
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class C(A): pass
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class D(B, C): pass
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expected = (D, B, C, A, object)
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got = inspect.getmro(D)
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test(expected == got, "expected %r mro, got %r", expected, got)
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# Test classify_class_attrs.
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def attrs_wo_objs(cls):
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return [t[:3] for t in inspect.classify_class_attrs(cls)]
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class A:
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def s(): pass
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s = staticmethod(s)
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def c(cls): pass
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c = classmethod(c)
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def getp(self): pass
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p = property(getp)
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def m(self): pass
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def m1(self): pass
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datablob = '1'
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attrs = attrs_wo_objs(A)
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test(('s', 'static method', A) in attrs, 'missing static method')
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test(('c', 'class method', A) in attrs, 'missing class method')
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test(('p', 'property', A) in attrs, 'missing property')
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test(('m', 'method', A) in attrs, 'missing plain method')
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test(('m1', 'method', A) in attrs, 'missing plain method')
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test(('datablob', 'data', A) in attrs, 'missing data')
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class B(A):
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def m(self): pass
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attrs = attrs_wo_objs(B)
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test(('s', 'static method', A) in attrs, 'missing static method')
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test(('c', 'class method', A) in attrs, 'missing class method')
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test(('p', 'property', A) in attrs, 'missing property')
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test(('m', 'method', B) in attrs, 'missing plain method')
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test(('m1', 'method', A) in attrs, 'missing plain method')
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test(('datablob', 'data', A) in attrs, 'missing data')
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class C(A):
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def m(self): pass
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def c(self): pass
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attrs = attrs_wo_objs(C)
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test(('s', 'static method', A) in attrs, 'missing static method')
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test(('c', 'method', C) in attrs, 'missing plain method')
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test(('p', 'property', A) in attrs, 'missing property')
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test(('m', 'method', C) in attrs, 'missing plain method')
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test(('m1', 'method', A) in attrs, 'missing plain method')
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test(('datablob', 'data', A) in attrs, 'missing data')
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class D(B, C):
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def m1(self): pass
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attrs = attrs_wo_objs(D)
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test(('s', 'static method', A) in attrs, 'missing static method')
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test(('c', 'class method', A) in attrs, 'missing class method')
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test(('p', 'property', A) in attrs, 'missing property')
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test(('m', 'method', B) in attrs, 'missing plain method')
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test(('m1', 'method', D) in attrs, 'missing plain method')
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test(('datablob', 'data', A) in attrs, 'missing data')
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# Repeat all that, but w/ new-style non-dynamic classes.
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class A(object):
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__dynamic__ = 0
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def s(): pass
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s = staticmethod(s)
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def c(cls): pass
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c = classmethod(c)
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def getp(self): pass
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p = property(getp)
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def m(self): pass
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def m1(self): pass
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datablob = '1'
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attrs = attrs_wo_objs(A)
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test(('s', 'static method', A) in attrs, 'missing static method')
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test(('c', 'class method', A) in attrs, 'missing class method')
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test(('p', 'property', A) in attrs, 'missing property')
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test(('m', 'method', A) in attrs, 'missing plain method')
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test(('m1', 'method', A) in attrs, 'missing plain method')
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test(('datablob', 'data', A) in attrs, 'missing data')
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class B(A):
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__dynamic__ = 0
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def m(self): pass
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attrs = attrs_wo_objs(B)
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test(('s', 'static method', A) in attrs, 'missing static method')
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test(('c', 'class method', A) in attrs, 'missing class method')
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test(('p', 'property', A) in attrs, 'missing property')
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test(('m', 'method', B) in attrs, 'missing plain method')
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test(('m1', 'method', A) in attrs, 'missing plain method')
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test(('datablob', 'data', A) in attrs, 'missing data')
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class C(A):
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__dynamic__ = 0
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def m(self): pass
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def c(self): pass
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attrs = attrs_wo_objs(C)
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test(('s', 'static method', A) in attrs, 'missing static method')
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test(('c', 'method', C) in attrs, 'missing plain method')
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test(('p', 'property', A) in attrs, 'missing property')
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test(('m', 'method', C) in attrs, 'missing plain method')
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test(('m1', 'method', A) in attrs, 'missing plain method')
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test(('datablob', 'data', A) in attrs, 'missing data')
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class D(B, C):
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__dynamic__ = 0
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def m1(self): pass
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attrs = attrs_wo_objs(D)
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test(('s', 'static method', A) in attrs, 'missing static method')
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test(('c', 'method', C) in attrs, 'missing plain method')
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test(('p', 'property', A) in attrs, 'missing property')
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test(('m', 'method', B) in attrs, 'missing plain method')
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test(('m1', 'method', D) in attrs, 'missing plain method')
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test(('datablob', 'data', A) in attrs, 'missing data')
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# And again, but w/ new-style dynamic classes.
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class A(object):
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__dynamic__ = 1
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def s(): pass
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s = staticmethod(s)
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def c(cls): pass
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c = classmethod(c)
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def getp(self): pass
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p = property(getp)
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def m(self): pass
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def m1(self): pass
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datablob = '1'
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attrs = attrs_wo_objs(A)
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test(('s', 'static method', A) in attrs, 'missing static method')
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test(('c', 'class method', A) in attrs, 'missing class method')
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test(('p', 'property', A) in attrs, 'missing property')
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test(('m', 'method', A) in attrs, 'missing plain method')
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test(('m1', 'method', A) in attrs, 'missing plain method')
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test(('datablob', 'data', A) in attrs, 'missing data')
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class B(A):
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__dynamic__ = 1
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def m(self): pass
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attrs = attrs_wo_objs(B)
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test(('s', 'static method', A) in attrs, 'missing static method')
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test(('c', 'class method', A) in attrs, 'missing class method')
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test(('p', 'property', A) in attrs, 'missing property')
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test(('m', 'method', B) in attrs, 'missing plain method')
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test(('m1', 'method', A) in attrs, 'missing plain method')
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test(('datablob', 'data', A) in attrs, 'missing data')
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class C(A):
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__dynamic__ = 1
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def m(self): pass
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def c(self): pass
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attrs = attrs_wo_objs(C)
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test(('s', 'static method', A) in attrs, 'missing static method')
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test(('c', 'method', C) in attrs, 'missing plain method')
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test(('p', 'property', A) in attrs, 'missing property')
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test(('m', 'method', C) in attrs, 'missing plain method')
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test(('m1', 'method', A) in attrs, 'missing plain method')
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test(('datablob', 'data', A) in attrs, 'missing data')
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class D(B, C):
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__dynamic__ = 1
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def m1(self): pass
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attrs = attrs_wo_objs(D)
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test(('s', 'static method', A) in attrs, 'missing static method')
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test(('c', 'method', C) in attrs, 'missing plain method')
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test(('p', 'property', A) in attrs, 'missing property')
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test(('m', 'method', B) in attrs, 'missing plain method')
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test(('m1', 'method', D) in attrs, 'missing plain method')
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test(('datablob', 'data', A) in attrs, 'missing data')
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