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"""High-perfomance logging profiler, mostly written in C."""
import _hotshot
from _hotshot import ProfilerError
class Profile:
def __init__(self, logfn, lineevents=0, linetimings=1):
self.lineevents = lineevents and 1 or 0
self.linetimings = (linetimings and lineevents) and 1 or 0
self._prof = p = _hotshot.profiler(
logfn, self.lineevents, self.linetimings)
def close(self):
self._prof.close()
def start(self):
self._prof.start()
def stop(self):
self._prof.stop()
def addinfo(self, key, value):
self._prof.addinfo(key, value)
# These methods offer the same interface as the profile.Profile class,
# but delegate most of the work to the C implementation underneath.
def run(self, cmd):
import __main__
dict = __main__.__dict__
return self.runctx(cmd, dict, dict)
def runctx(self, cmd, globals, locals):
code = compile(cmd, "<string>", "exec")
self._prof.runcode(code, globals, locals)
return self
def runcall(self, func, *args, **kw):
return self._prof.runcall(func, args, kw)
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