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| author | AlexSm <[email protected]> | 2024-03-05 10:40:59 +0100 |
|---|---|---|
| committer | GitHub <[email protected]> | 2024-03-05 12:40:59 +0300 |
| commit | 1ac13c847b5358faba44dbb638a828e24369467b (patch) | |
| tree | 07672b4dd3604ad3dee540a02c6494cb7d10dc3d /contrib/tools/python3/src/Lib/cProfile.py | |
| parent | ffcca3e7f7958ddc6487b91d3df8c01054bd0638 (diff) | |
Library import 16 (#2433)
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Diffstat (limited to 'contrib/tools/python3/src/Lib/cProfile.py')
| -rwxr-xr-x | contrib/tools/python3/src/Lib/cProfile.py | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/contrib/tools/python3/src/Lib/cProfile.py b/contrib/tools/python3/src/Lib/cProfile.py deleted file mode 100755 index 135a12c3965..00000000000 --- a/contrib/tools/python3/src/Lib/cProfile.py +++ /dev/null @@ -1,195 +0,0 @@ -#! /usr/bin/env python3 - -"""Python interface for the 'lsprof' profiler. - Compatible with the 'profile' module. -""" - -__all__ = ["run", "runctx", "Profile"] - -import _lsprof -import importlib.machinery -import io -import profile as _pyprofile - -# ____________________________________________________________ -# Simple interface - -def run(statement, filename=None, sort=-1): - return _pyprofile._Utils(Profile).run(statement, filename, sort) - -def runctx(statement, globals, locals, filename=None, sort=-1): - return _pyprofile._Utils(Profile).runctx(statement, globals, locals, - filename, sort) - -run.__doc__ = _pyprofile.run.__doc__ -runctx.__doc__ = _pyprofile.runctx.__doc__ - -# ____________________________________________________________ - -class Profile(_lsprof.Profiler): - """Profile(timer=None, timeunit=None, subcalls=True, builtins=True) - - Builds a profiler object using the specified timer function. - The default timer is a fast built-in one based on real time. - For custom timer functions returning integers, timeunit can - be a float specifying a scale (i.e. how long each integer unit - is, in seconds). - """ - - # Most of the functionality is in the base class. - # This subclass only adds convenient and backward-compatible methods. - - def print_stats(self, sort=-1): - import pstats - pstats.Stats(self).strip_dirs().sort_stats(sort).print_stats() - - def dump_stats(self, file): - import marshal - with open(file, 'wb') as f: - self.create_stats() - marshal.dump(self.stats, f) - - def create_stats(self): - self.disable() - self.snapshot_stats() - - def snapshot_stats(self): - entries = self.getstats() - self.stats = {} - callersdicts = {} - # call information - for entry in entries: - func = label(entry.code) - nc = entry.callcount # ncalls column of pstats (before '/') - cc = nc - entry.reccallcount # ncalls column of pstats (after '/') - tt = entry.inlinetime # tottime column of pstats - ct = entry.totaltime # cumtime column of pstats - callers = {} - callersdicts[id(entry.code)] = callers - self.stats[func] = cc, nc, tt, ct, callers - # subcall information - for entry in entries: - if entry.calls: - func = label(entry.code) - for subentry in entry.calls: - try: - callers = callersdicts[id(subentry.code)] - except KeyError: - continue - nc = subentry.callcount - cc = nc - subentry.reccallcount - tt = subentry.inlinetime - ct = subentry.totaltime - if func in callers: - prev = callers[func] - nc += prev[0] - cc += prev[1] - tt += prev[2] - ct += prev[3] - callers[func] = nc, cc, tt, ct - - # The following two methods can be called by clients to use - # a profiler to profile a statement, given as a string. - - def run(self, cmd): - import __main__ - dict = __main__.__dict__ - return self.runctx(cmd, dict, dict) - - def runctx(self, cmd, globals, locals): - self.enable() - try: - exec(cmd, globals, locals) - finally: - self.disable() - return self - - # This method is more useful to profile a single function call. - def runcall(self, func, /, *args, **kw): - self.enable() - try: - return func(*args, **kw) - finally: - self.disable() - - def __enter__(self): - self.enable() - return self - - def __exit__(self, *exc_info): - self.disable() - -# ____________________________________________________________ - -def label(code): - if isinstance(code, str): - return ('~', 0, code) # built-in functions ('~' sorts at the end) - else: - return (code.co_filename, code.co_firstlineno, code.co_name) - -# ____________________________________________________________ - -def main(): - import os - import sys - import runpy - import pstats - from optparse import OptionParser - usage = "cProfile.py [-o output_file_path] [-s sort] [-m module | scriptfile] [arg] ..." - parser = OptionParser(usage=usage) - parser.allow_interspersed_args = False - parser.add_option('-o', '--outfile', dest="outfile", - help="Save stats to <outfile>", default=None) - parser.add_option('-s', '--sort', dest="sort", - help="Sort order when printing to stdout, based on pstats.Stats class", - default=2, - choices=sorted(pstats.Stats.sort_arg_dict_default)) - parser.add_option('-m', dest="module", action="store_true", - help="Profile a library module", default=False) - - if not sys.argv[1:]: - parser.print_usage() - sys.exit(2) - - (options, args) = parser.parse_args() - sys.argv[:] = args - - # The script that we're profiling may chdir, so capture the absolute path - # to the output file at startup. - if options.outfile is not None: - options.outfile = os.path.abspath(options.outfile) - - if len(args) > 0: - if options.module: - code = "run_module(modname, run_name='__main__')" - globs = { - 'run_module': runpy.run_module, - 'modname': args[0] - } - else: - progname = args[0] - sys.path.insert(0, os.path.dirname(progname)) - with io.open_code(progname) as fp: - code = compile(fp.read(), progname, 'exec') - spec = importlib.machinery.ModuleSpec(name='__main__', loader=None, - origin=progname) - globs = { - '__spec__': spec, - '__file__': spec.origin, - '__name__': spec.name, - '__package__': None, - '__cached__': None, - } - try: - runctx(code, globs, None, options.outfile, options.sort) - except BrokenPipeError as exc: - # Prevent "Exception ignored" during interpreter shutdown. - sys.stdout = None - sys.exit(exc.errno) - else: - parser.print_usage() - return parser - -# When invoked as main program, invoke the profiler on a script -if __name__ == '__main__': - main() |
