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import sys
import os
import optparse
import parsing
import gui
import batch
def _mk_options_parser():
"""Make an options parser."""
usage = "%prog [options] PATH, ..., PATH"
version = "%prog v0.0.0"
parser = optparse.OptionParser(usage, version=version)
parser.add_option("-i", "--interactive", action="store_true", dest="interactive", default=False,
help="start in active mode")
parser.add_option("-f", "--format", dest="format", default = None,
help="image format (...); default format ...")
parser.add_option("-o", "--output", dest="output", metavar="PATH", default=None,
help="output path (file or directory) where charts are stored")
parser.add_option("-s", "--split", dest="num", type=int, default=1,
help="split the output chart into <NUM> charts, only works with \"-o PATH\"")
parser.add_option("-n", "--no-prune", action="store_false", dest="prune", default=True,
help="do not prune the process tree")
parser.add_option("-q", "--quiet", action="store_true", dest="quiet", default=False,
help="suppress informational messages")
parser.add_option("--very-quiet", action="store_true", dest="veryquiet", default=False,
help="suppress all messages except errors")
parser.add_option("--verbose", action="store_true", dest="verbose", default=False,
help="print all messages")
return parser
def _get_filename(paths, options):
"""Construct a usable filename for outputs based on the paths and options given on the commandline."""
dir = ""
file = "bootchart"
if options.output != None and not(os.path.isdir(options.output)):
return options.output
if options.output != None:
dir = options.output
if len(paths) == 1:
if os.path.isdir(paths[0]):
file = os.path.split(paths[0])[-1]
elif os.path.splitext(paths[0])[1] in [".tar", ".tgz", ".tar.gz"]:
file = os.path.splitext(paths[0])[0]
return os.path.join(dir, file + "." + options.format)
def main(argv=None):
try:
if argv is None:
argv = sys.argv[1:]
parser = _mk_options_parser()
options, args = parser.parse_args(argv)
if len(args) == 0:
parser.error("insufficient arguments, expected at least one path.")
return 2
res = parsing.parse(args, options.prune)
if options.interactive or options.format == None:
gui.show(res)
else:
filename = _get_filename(args, options)
res_list = parsing.split_res(res, options.num)
n = 1
for r in res_list:
if len(res_list) == 1:
f = filename + "." + options.format
else:
f = filename + "_" + str(n) + "." + options.format
n = n + 1
batch.render(r, options.format, f)
print "bootchart written to", f
return 0
except parsing.ParseError, ex:
print("Parse error: %s" % ex)
return 2
if __name__ == '__main__':
sys.exit(main())
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