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Nov 6, 2009, 10:12 AM
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[issue7275] CoverageResult fails to merge input file with non-empty callers in trace.py (patch)
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New submission from Christian Glinsvad <glinsvad[at]hotmail.com>:
CoverageResults expects arguments in the order "counts, calledfuncs,
infile, callers..." but the try statement in the last part of __init__
passes "counts, calledfuncs, callers" as positional arguments to a new
instance of the same class. Thus, the secondary instance erroneously
obtains a dict for the "infile" argument, so I propose passing "callers"
as a keyword argument to avoid this.
Not that this has gone unnoticed because an empty dict for the "infile"
argument evaluates to False in "if self.infile:", which must have been
intended as "if self.infile is not None:". If, however, the original
instance loads a pickle file with a non-empty "callers" argument, the
secondary instance tries to run "open({}, 'rb')", which yields:
TypeError: coercing to Unicode: need string or buffer, dict found
----------
components: Library (Lib)
files: trace.diff
keywords: patch
messages: 94991
nosy: glinsvad
severity: normal
status: open
title: CoverageResult fails to merge input file with non-empty callers in trace.py (patch)
type: behavior
versions: Python 2.4, Python 2.5, Python 2.6, Python 2.7, Python 3.0, Python 3.1, Python 3.2
Added file: http://bugs.python.org/file15279/trace.diff
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<http://bugs.python.org/issue7275>
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