55 lines
2.0 KiB
Python
55 lines
2.0 KiB
Python
import sys
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import py
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from _pytest.assertion.util import BuiltinAssertionError
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u = py.builtin._totext
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class AssertionError(BuiltinAssertionError):
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def __init__(self, *args):
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BuiltinAssertionError.__init__(self, *args)
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if args:
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# on Python2.6 we get len(args)==2 for: assert 0, (x,y)
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# on Python2.7 and above we always get len(args) == 1
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# with args[0] being the (x,y) tuple.
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if len(args) > 1:
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toprint = args
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else:
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toprint = args[0]
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try:
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self.msg = u(toprint)
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except Exception:
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self.msg = u(
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"<[broken __repr__] %s at %0xd>"
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% (toprint.__class__, id(toprint)))
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else:
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f = py.code.Frame(sys._getframe(1))
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try:
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source = f.code.fullsource
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if source is not None:
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try:
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source = source.getstatement(f.lineno, assertion=True)
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except IndexError:
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source = None
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else:
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source = str(source.deindent()).strip()
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except py.error.ENOENT:
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source = None
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# this can also occur during reinterpretation, when the
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# co_filename is set to "<run>".
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if source:
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self.msg = reinterpret(source, f, should_fail=True)
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else:
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self.msg = "<could not determine information>"
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if not self.args:
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self.args = (self.msg,)
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if sys.version_info > (3, 0):
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AssertionError.__module__ = "builtins"
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reinterpret_old = "old reinterpretation not available for py3"
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else:
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from _pytest.assertion.oldinterpret import interpret as reinterpret_old
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if sys.version_info >= (2, 6) or (sys.platform.startswith("java")):
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from _pytest.assertion.newinterpret import interpret as reinterpret
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else:
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reinterpret = reinterpret_old
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