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Date: Sat, 5 Jan 2013 07:17:47 -0800 (PST)
From: chaouche yacine <yacinechaouche@yahoo.com>
Subject: Re: Couting the number of lines of code of a python program
To: Chris Angelico <rosuav@gmail.com>, "python-list@python.org" <python-list@python.org>
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The idea started off as a volumetric information of my projects, but evolve=
d to a sort of code browser that would display classes, methods and functio=
ns in a tree-like structure, and now I mostly want to use it with other peo=
ple's code as a way to have the big picture. So I would say that it is used=
 both for my programs (to get a feeling of their size) as much as it is use=
d for others' code.=0A=0A> But counting lines of code is a hairy thing to d=
o. Do blank lines,=0A> comments, and multi-line strings count?=0A=0AThe way=
 I implmented it, they do not, particulary docstrings (even though it seems=
 that many people think docstrings are actual code). My opinion on docstrin=
gs is that they're not instructions. I want to know how many lines of instr=
uctions a program has. Comments, blank lines and docstrings are not intruct=
ions.=0A=0AHere is my implementation :=0A=0Adefcount_loc(lines):nb_lines =
=3D0docstring =3DFalseforline inlines:line =3Dline.strip()ifline =3D=3D""\ =
orline.startswith("#")\ ordocstring andnot(line.startswith('"""')orline.sta=
rtswith("'''"))\ or(line.startswith("'''")andline.endswith("'''")andlen(lin=
e)>3)\ or(line.startswith('"""')andline.endswith('"""')andlen(line)>3):cont=
inue# this is either a starting or ending docstringelifline.startswith('"""=
')orline.startswith("'''"):docstring =3Dnotdocstring continueelse:nb_lines =
+=3D1returnnb_lines=0A=0A=0A=0A----- Original Message -----=0AFrom: Chris A=
ngelico <rosuav@gmail.com>=0ATo: python-list@python.org=0ACc: =0ASent: Satu=
rday, January 5, 2013 3:09 PM=0ASubject: Re: Couting the number of lines of=
 code of a python program=0A=0AOn Sun, Jan 6, 2013 at 12:55 AM, chaouche ya=
cine=0A<yacinechaouche@yahoo.com> wrote:=0A> The=0A>=A0 problem is that I'm=
 using the inspect module, because it provides a=0A> nice function inspect.=
getsourcelines that takes a python object and=0A> return its number of line=
s of code. BUT, it works on live objects, that=0A> means one has to first i=
mport the module he wants to process, and this=0A> can have side effects (e=
xample : GUI programs).=0A=0AIf you're using this entirely on your own code=
, one good way to solve=0Athe problem is to make your code always importabl=
e. Protect your=0Atop-level code with "if __name__=3D=3D'__main__':" (and p=
ossibly put it=0Ainto a function main() if that simplifies your code counti=
ng), and you=0Ashould then be able to import it as-is, and all you'll do is=
 define ams and =0Abunch of functions/classes.=0A=0ABut counting lines of c=
ode is a hairy thing to do. Do blank lines,=0Acomments, and multi-line stri=
ngs count?=0A=0AChrisA=0A-- =0Ahttp://mail.python.org/mailman/listinfo/pyth=
on-list=0A