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support/scripts/size-stats: avoid divide-by-zero

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Some packages (ex: skeleton-init-systemd) have a zero size so we cannot
divide by the package size. In that case make their percent zero
explicitly and avoid a ZeroDivisionError exception.

Signed-off-by: Andrey Yurovsky <yurovsky@gmail.com>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Andrey Yurovsky 2017-11-27 19:37:07 -08:00 committed by Thomas Petazzoni
parent 86ad37b948
commit 88af7d330d
1 changed files with 10 additions and 2 deletions
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support/scripts/size-stats
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@ -178,9 +178,17 @@ def gen_files_csv(filesdict, pkgsizes, outputf):
"File size in system (%)"]) "File size in system (%)"])
for f, (pkgname, filesize) in filesdict.items(): for f, (pkgname, filesize) in filesdict.items():
pkgsize = pkgsizes[pkgname] pkgsize = pkgsizes[pkgname]
if pkgsize == 0:
percent_pkg = 0
else:
percent_pkg = float(filesize) / pkgsize * 100
percent_total = float(filesize) / total * 100
wr.writerow([f, pkgname, filesize, pkgsize, wr.writerow([f, pkgname, filesize, pkgsize,
"%.1f" % (float(filesize) / pkgsize * 100), "%.1f" % percent_pkg,
"%.1f" % (float(filesize) / total * 100)]) "%.1f" % percent_total])
# #