On Fri, Aug 22, 2008 at 09:31:07AM +1000, Ben Finney wrote:
> On 22-Aug-2008, Sami Liedes wrote:
> > If the profiled python script uses any .py files under
> > /usr/lib/python$VER/, the command "python-coverage -a" tries to write
> > in that directory (and if run as root, probably would succeed):
>
> Yes, that's what the '-a' option is documented as doing. Its
> documentation even gives an explicit way to avoid the behaviour you're
> seeing: the '-d' option to specify a different directory for writing
> the files.
Ah, in that case it's a man page bug. The man page doesn't mention -d.
Also I'd say it's somewhat surprising that it does it also for
system-provided files (definitely nothing in the man page hints that
it does):
------------------------------------------------------------
SYNOPSIS
python-coverage -x module.py [ARG...]
python-coverage -e
python-coverage -r [-m]
python-coverage -a [file...]
[...]
DESCRIPTION
python-coverage executes a Python program and measures which of
its statements are executed and which are not. It stores the
information in the file .coverage in the current working
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
directory.
^^^^^^^^^
OPTIONS
-e Erase the .coverage file.
-x Execute a Python module, giving it the remaining command line
arguments.
-r Produce a coverage report.
-m With -r, show the line numbers that were missed by the
execution.
-a Annotate source files. For each source file foo, produce
foo,cover, with executed lines prefixed by ">" and non-executed
by "!".
--help Produce a help summary. It might be more helpful than this
manual page.
> =====
> $ python-coverage --help
> […]
> coverage.py -a [-d dir] [-o dir1,dir2,...] FILE1 FILE2 ...
> Make annotated copies of the given files, marking statements that
> are executed with > and statements that are missed with !. With
> the -d option, make the copies in that directory. Without the -d
> option, make each copy in the same directory as the original.
> =====
Didn't try that since I looked at the man page :)
Sami
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