diff options
Diffstat (limited to 'Lib/doctest.py')
| -rw-r--r-- | Lib/doctest.py | 80 |
1 files changed, 1 insertions, 79 deletions
diff --git a/Lib/doctest.py b/Lib/doctest.py index dfd8bb9..26a8914 100644 --- a/Lib/doctest.py +++ b/Lib/doctest.py @@ -55,7 +55,6 @@ __all__ = [ 'NORMALIZE_WHITESPACE', 'ELLIPSIS', 'IGNORE_EXCEPTION_DETAIL', - 'NORMALIZE_NUMBERS', 'COMPARISON_FLAGS', 'REPORT_UDIFF', 'REPORT_CDIFF', @@ -140,14 +139,12 @@ DONT_ACCEPT_BLANKLINE = register_optionflag('DONT_ACCEPT_BLANKLINE') NORMALIZE_WHITESPACE = register_optionflag('NORMALIZE_WHITESPACE') ELLIPSIS = register_optionflag('ELLIPSIS') IGNORE_EXCEPTION_DETAIL = register_optionflag('IGNORE_EXCEPTION_DETAIL') -NORMALIZE_NUMBERS = register_optionflag('NORMALIZE_NUMBERS') COMPARISON_FLAGS = (DONT_ACCEPT_TRUE_FOR_1 | DONT_ACCEPT_BLANKLINE | NORMALIZE_WHITESPACE | ELLIPSIS | - IGNORE_EXCEPTION_DETAIL | - NORMALIZE_NUMBERS) + IGNORE_EXCEPTION_DETAIL) REPORT_UDIFF = register_optionflag('REPORT_UDIFF') REPORT_CDIFF = register_optionflag('REPORT_CDIFF') @@ -280,72 +277,6 @@ class _SpoofOut(StringIO): if hasattr(self, "softspace"): del self.softspace -# The number of digits of precision that must be equal for -# NORMALIZE_NUMBERS to consider two numbers equal. -_NORMALIZE_NUMBERS_PRECISION_THRESHOLD = 10 - -# A regular expression that matches Python number literals. This is -# used by _normalize_numbers to look for numbers that should be -# normalized. -_NUMBER_LITERAL = re.compile(r''' - (\d+[.]\d*(?:[eE][-+]?\d+)?[jJ]? | # float (w/ digits left of ".") - [.]\d+(?:[eE][-+]?\d+)?[jJ]? | # float (no digits left of ".") - \d+ (?:[eE][-+]?\d+) [jJ]? | # float (no ".", exponent only) - \d [jJ] | # float (no ".", imaginary only) - 0[xX]\d+[lL]? | # hexint - 0[0-7]*[lL]? | # octint or zero - \d+[lL]? ) # decint - ''', re.VERBOSE) - -def _normalize_numbers(want, got): - """ - If all the numbers in `want` and `got` match (one-for-one), then - return a new version of `got` with the exact number strings from - `want` spliced in. Two numbers match if `str` of their float - values are equal. (I.e., `x` matches `y` if - `str(float(x))==str(float(y))`). - """ - want_pieces = _NUMBER_LITERAL.split(want) - got_pieces = _NUMBER_LITERAL.split(got) - - # If they don't have the same number of numbers, fail immediately. - if len(want_pieces) != len(got_pieces): - return got - - # If any individual numbers don't match, then fail. - for i in range(1, len(got_pieces), 2): - w, g = eval(want_pieces[i]), eval(got_pieces[i]) - if not _numbers_match(w, g): - return got - - # Success; replace numbers in got w/ numbers from want. - for i in range(1, len(got_pieces), 2): - got_pieces[i] = want_pieces[i] - return ''.join(got_pieces) - -def _numbers_match(x, y): - """ - A helper function for _normalize_numbers, that returns true if the - numbers `x` and `y` are close enough to match for NORMALIZE_NUMBERS. - """ - # Equal numbers match. - if x == y: - return True - # Split up complex numbers into real & imag. - if isinstance(x, complex): - return (isinstance(y, complex) and - _numbers_match(x.real, y.real) and - _numbers_match(x.imag, y.imag)) - # If the signs are different, they don't match. - if x*y < 0: - return False - # If one is zero and the other isn't, they don't match. - if x==0 or y==0: - return False - # They're not exactly equal, but are they close enough? - threshold = 10**-_NORMALIZE_NUMBERS_PRECISION_THRESHOLD - return (abs(x-y) / min(abs(x), abs(y))) < threshold - # Worst-case linear-time ellipsis matching. def _ellipsis_match(want, got): """ @@ -1572,13 +1503,6 @@ class OutputChecker: if got == want: return True - # This flag causes doctest to treat numbers that are within a - # small threshold as if they are equal. - if optionflags & NORMALIZE_NUMBERS: - got = _normalize_numbers(want, got) - if got == want: - return True - # The ELLIPSIS flag says to let the sequence "..." in `want` # match any substring in `got`. if optionflags & ELLIPSIS: @@ -1859,7 +1783,6 @@ def testmod(m=None, name=None, globs=None, verbose=None, isprivate=None, NORMALIZE_WHITESPACE ELLIPSIS IGNORE_EXCEPTION_DETAIL - NORMALIZE_NUMBERS REPORT_UDIFF REPORT_CDIFF REPORT_NDIFF @@ -1982,7 +1905,6 @@ def testfile(filename, module_relative=True, name=None, package=None, NORMALIZE_WHITESPACE ELLIPSIS IGNORE_EXCEPTION_DETAIL - NORMALIZE_NUMBERS REPORT_UDIFF REPORT_CDIFF REPORT_NDIFF |