def __init__(self, shell):
super(ExecutionMagics, self).__init__(shell)
if profile is None:
self.prun = self.profile_missing_notice
# Default execution function used to actually run user code.
self.default_runner = None
python类run()的实例源码
def _run_with_timing(run, nruns):
"""
Run function `run` and print timing information.
Parameters
----------
run : callable
Any callable object which takes no argument.
nruns : int
Number of times to execute `run`.
"""
twall0 = time.time()
if nruns == 1:
t0 = clock2()
run()
t1 = clock2()
t_usr = t1[0] - t0[0]
t_sys = t1[1] - t0[1]
print("\nIPython CPU timings (estimated):")
print(" User : %10.2f s." % t_usr)
print(" System : %10.2f s." % t_sys)
else:
runs = range(nruns)
t0 = clock2()
for nr in runs:
run()
t1 = clock2()
t_usr = t1[0] - t0[0]
t_sys = t1[1] - t0[1]
print("\nIPython CPU timings (estimated):")
print("Total runs performed:", nruns)
print(" Times : %10s %10s" % ('Total', 'Per run'))
print(" User : %10.2f s, %10.2f s." % (t_usr, t_usr / nruns))
print(" System : %10.2f s, %10.2f s." % (t_sys, t_sys / nruns))
twall1 = time.time()
print("Wall time: %10.2f s." % (twall1 - twall0))
def capture(self, line, cell):
"""run the cell, capturing stdout, stderr, and IPython's rich display() calls."""
args = magic_arguments.parse_argstring(self.capture, line)
out = not args.no_stdout
err = not args.no_stderr
disp = not args.no_display
with capture_output(out, err, disp) as io:
self.shell.run_cell(cell)
if args.output:
self.shell.user_ns[args.output] = io
def run_profile():
import profile
profile.run('for i in range(10): demo()', '/tmp/profile.out')
import pstats
p = pstats.Stats('/tmp/profile.out')
p.strip_dirs().sort_stats('time', 'cum').print_stats(60)
p.strip_dirs().sort_stats('cum', 'time').print_stats(60)
def run_profile():
import profile
profile.run('for i in range(10): demo()', '/tmp/profile.out')
import pstats
p = pstats.Stats('/tmp/profile.out')
p.strip_dirs().sort_stats('time', 'cum').print_stats(60)
p.strip_dirs().sort_stats('cum', 'time').print_stats(60)
def __init__(self, shell):
super(ExecutionMagics, self).__init__(shell)
if profile is None:
self.prun = self.profile_missing_notice
# Default execution function used to actually run user code.
self.default_runner = None
def _run_with_timing(run, nruns):
"""
Run function `run` and print timing information.
Parameters
----------
run : callable
Any callable object which takes no argument.
nruns : int
Number of times to execute `run`.
"""
twall0 = time.time()
if nruns == 1:
t0 = clock2()
run()
t1 = clock2()
t_usr = t1[0] - t0[0]
t_sys = t1[1] - t0[1]
print("\nIPython CPU timings (estimated):")
print(" User : %10.2f s." % t_usr)
print(" System : %10.2f s." % t_sys)
else:
runs = range(nruns)
t0 = clock2()
for nr in runs:
run()
t1 = clock2()
t_usr = t1[0] - t0[0]
t_sys = t1[1] - t0[1]
print("\nIPython CPU timings (estimated):")
print("Total runs performed:", nruns)
print(" Times : %10s %10s" % ('Total', 'Per run'))
print(" User : %10.2f s, %10.2f s." % (t_usr, t_usr / nruns))
print(" System : %10.2f s, %10.2f s." % (t_sys, t_sys / nruns))
twall1 = time.time()
print("Wall time: %10.2f s." % (twall1 - twall0))
def capture(self, line, cell):
"""run the cell, capturing stdout, stderr, and IPython's rich display() calls."""
args = magic_arguments.parse_argstring(self.capture, line)
out = not args.no_stdout
err = not args.no_stderr
disp = not args.no_display
with capture_output(out, err, disp) as io:
self.shell.run_cell(cell)
if args.output:
self.shell.user_ns[args.output] = io
def run_profile():
import profile
profile.run('for i in range(10): demo()', '/tmp/profile.out')
import pstats
p = pstats.Stats('/tmp/profile.out')
p.strip_dirs().sort_stats('time', 'cum').print_stats(60)
p.strip_dirs().sort_stats('cum', 'time').print_stats(60)
def __profile__():
import profile
profile.run('__fulltest__()')
#profile.run('__filetest__()')
