Hi Matt,
I have downloaded your dot.py and have tried it out. Here is what I do:
homelap-3:sympy comerduncan$ ../matt_dot/dot.py ./sympy/matrices mats
usage: grep [-abcDEFGHhIiJLlmnOoPqRSsUVvwxZ] [-A num] [-B num] [-C[num]]
[-e pattern] [-f file] [--binary-files=value] [--color=when]
[--context[=num]] [--directories=action] [--label] [--line-buffered]
[--null] [pattern] [file ...]
So, I looked at the source. In particular the function
def grep_stream(location):
return os.popen(
'find %s -name "*.py" | xargs grep -h -P "^class
\w+\([\s\w,]+\)"'%location)
Alas, looking at the man page for xargs it seems apparent that the -P
argument is meant for xargs whereas the -h argument is meant for grep,
right? So, I moved the -P arg to just after xargs and made it have a '1'
(otherwise xargs complains) and left the -h arg as is. When I run the
script it finishes without complaints. However, the mats.dot file and the
mats.pdf are essentially nothing: mats.dot is
homelap-3:sympy comerduncan$ cat mats.dot
strict digraph G {
rankdir=LR;
overlap=false;
}
and not surprisingly the mats.pdf just displays a blank rectangular region.
So, what gives? Perhaps I am simply not using it correctly?
I am running with python2.7 on my mac (Mountain Lion). All needed routines
are installed (macports is great).
This little script is cute and probably useful when one is trying to sort
out the class dependencies in a given project or just in general trying to
understand how things are hung together.
Thanks for making this little tool.
Comer
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