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Use argparse cmd line parser instead of optparse #2

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merged 2 commits into from
May 13, 2012
Merged

Use argparse cmd line parser instead of optparse #2

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b6b93a5
Change the command line parser to argparse
May 12, 2012
ea8a8f2
Make getting a file's contents more Pythonic
May 12, 2012
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50 changes: 19 additions & 31 deletions memory_profiler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -69,9 +69,8 @@ def memory_usage(proc= -1, num= -1, interval=.1):

if str(proc).endswith('.py'):
filename = _find_script(proc)
f = open(filename, 'r')
proc = f.read()
f.close()
with open(filename) as f:
proc = f.read()
# TODO: make sure script's directory is on sys.path
def f_exec(x, locals):
# function interface for exec
Expand Down Expand Up @@ -249,36 +248,25 @@ def show_results(prof, stream=None):
stream.write(template % (l, mem, inc, line))

if __name__ == '__main__':
from optparse import OptionParser
parser = OptionParser(usage=_CMD_USAGE)
parser.add_option('-o', '--outfile', dest='outfile',
help='Save stats to <outfile>', default=None)
parser.add_option('-v', '--visualize', action='store_true',
dest='visualize', help='Visualize result at exit',
default=True)
parser.add_option('-l', '--line', action='store_true',
dest='line', help='Do line-by-line timings',
default=True)

from argparse import ArgumentParser
parser = ArgumentParser(usage=_CMD_USAGE)
parser.add_argument('filename', help='The file to profile')

if not sys.argv[1:] or sys.argv[1] in ("--help", "-h"):
parser.print_help()
sys.exit(2)

(options, args) = parser.parse_args()
sys.argv[:] = args

if options.line:
prof = LineProfiler()
__file__ = _find_script(args[0])
if sys.version_info[0] < 3:
import __builtin__
__builtin__.__dict__['profile'] = prof
execfile(__file__, locals(), locals())
else:
import builtins
builtins.__dict__['profile'] = prof
exec(compile(open(__file__).read(), __file__, 'exec'), locals(), globals())

if options.visualize:
show_results(prof)
args = parser.parse_args()

prof = LineProfiler()
__file__ = _find_script(args.filename)
if sys.version_info[0] < 3:
import __builtin__
__builtin__.__dict__['profile'] = prof
execfile(__file__, locals(), locals())
else:
import builtins
builtins.__dict__['profile'] = prof
exec(compile(open(__file__).read(), __file__, 'exec'), locals(), globals())

show_results(prof)