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authorOri Bernstein <ori@eigenstate.org>2021-06-14 00:00:37 +0000
committerOri Bernstein <ori@eigenstate.org>2021-06-14 00:00:37 +0000
commita73a964e51247ed169d322c725a3a18859f109a3 (patch)
tree3f752d117274d444bda44e85609aeac1acf313f3 /sys/lib/python/cProfile.py
parente64efe273fcb921a61bf27d33b230c4e64fcd425 (diff)
python, hg: tow outside the environment.
they've served us well, and can ride off into the sunset.
Diffstat (limited to 'sys/lib/python/cProfile.py')
-rwxr-xr-xsys/lib/python/cProfile.py190
1 files changed, 0 insertions, 190 deletions
diff --git a/sys/lib/python/cProfile.py b/sys/lib/python/cProfile.py
deleted file mode 100755
index 19d58048a..000000000
--- a/sys/lib/python/cProfile.py
+++ /dev/null
@@ -1,190 +0,0 @@
-#! /usr/bin/env python
-
-"""Python interface for the 'lsprof' profiler.
- Compatible with the 'profile' module.
-"""
-
-__all__ = ["run", "runctx", "help", "Profile"]
-
-import _lsprof
-
-# ____________________________________________________________
-# Simple interface
-
-def run(statement, filename=None, sort=-1):
- """Run statement under profiler optionally saving results in filename
-
- This function takes a single argument that can be passed to the
- "exec" statement, and an optional file name. In all cases this
- routine attempts to "exec" its first argument and gather profiling
- statistics from the execution. If no file name is present, then this
- function automatically prints a simple profiling report, sorted by the
- standard name string (file/line/function-name) that is presented in
- each line.
- """
- prof = Profile()
- result = None
- try:
- try:
- prof = prof.run(statement)
- except SystemExit:
- pass
- finally:
- if filename is not None:
- prof.dump_stats(filename)
- else:
- result = prof.print_stats(sort)
- return result
-
-def runctx(statement, globals, locals, filename=None):
- """Run statement under profiler, supplying your own globals and locals,
- optionally saving results in filename.
-
- statement and filename have the same semantics as profile.run
- """
- prof = Profile()
- result = None
- try:
- try:
- prof = prof.runctx(statement, globals, locals)
- except SystemExit:
- pass
- finally:
- if filename is not None:
- prof.dump_stats(filename)
- else:
- result = prof.print_stats()
- return result
-
-# Backwards compatibility.
-def help():
- print "Documentation for the profile/cProfile modules can be found "
- print "in the Python Library Reference, section 'The Python Profiler'."
-
-# ____________________________________________________________
-
-class Profile(_lsprof.Profiler):
- """Profile(custom_timer=None, time_unit=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, time_unit 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
- f = open(file, 'wb')
- self.create_stats()
- marshal.dump(self.stats, f)
- f.close()
-
- 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 in 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 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, sys
- from optparse import OptionParser
- usage = "cProfile.py [-o output_file_path] [-s sort] 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=-1)
-
- if not sys.argv[1:]:
- parser.print_usage()
- sys.exit(2)
-
- (options, args) = parser.parse_args()
- sys.argv[:] = args
-
- if (len(sys.argv) > 0):
- sys.path.insert(0, os.path.dirname(sys.argv[0]))
- run('execfile(%r)' % (sys.argv[0],), options.outfile, options.sort)
- else:
- parser.print_usage()
- return parser
-
-# When invoked as main program, invoke the profiler on a script
-if __name__ == '__main__':
- main()