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| author | Vincent Legoll <vincent.legoll@gmail.com> | 2020-03-20 22:44:52 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-03-20 15:53:50 -0600 |
| commit | 0d7a3774566e9e1b476ada4bcf4bc4158158e7f8 (patch) | |
| tree | 532ea16b9079b40065f9ff8dbc41466ccc3c43ff | |
| parent | edb0360a20a18c0244909dc1a39015f05710c5f5 (diff) | |
| download | blktrace-0d7a3774566e9e1b476ada4bcf4bc4158158e7f8.tar.gz | |
bno_plot.py: Use `with open() as ...` context manager to automatically handle close()
Signed-off-by: Vincent Legoll <vincent.legoll@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | btt/bno_plot.py | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/btt/bno_plot.py b/btt/bno_plot.py index 36fc524..1a1937c 100644 --- a/btt/bno_plot.py +++ b/btt/bno_plot.py @@ -98,21 +98,20 @@ if __name__ == '__main__': for f in bnos: t = '%s/%s' % (tmpdir, f) - fo = open(t, 'w') - for line in open(f, 'r'): - fld = line.split(None) - print(fld[0], fld[1], int(fld[2])-int(fld[1]), file=fo) - fo.close() + with open(t, 'w') as fo: + with open(f, 'r') as fi: + for line in fi: + fld = line.split(None) + print(fld[0], fld[1], int(fld[2])-int(fld[1]), file=fo) t = t[t.rfind('/')+1:] if plot_cmd == None: plot_cmd = "splot '%s'" % t else: plot_cmd = "%s,'%s'" % (plot_cmd, t) - fo = open('%s/plot.cmds' % tmpdir, 'w') - print(cmds, file=fo) - if len(bnos) > 10 or keys_below: print('set key below', file=fo) - print(plot_cmd, file=fo) - fo.close() + with open('%s/plot.cmds' % tmpdir, 'w') as fo: + print(cmds, file=fo) + if len(bnos) > 10 or keys_below: print('set key below', file=fo) + print(plot_cmd, file=fo) pid = os.fork() if pid == 0: |