Python hotshot.log方法代码示例

# 需要导入模块: import hotshot [as 别名]
# 或者: from hotshot import log [as 别名]
def __init__(self, fn, skip=0, filename=None, immediate=False, dirs=False,
                 sort=None, entries=40, stdout=True):
        """Creates a profiler for a function.

        Every profiler has its own log file (the name of which is derived
        from the function name).

        FuncProfile registers an atexit handler that prints profiling
        information to sys.stderr when the program terminates.
        """
        self.fn = fn
        self.skip = skip
        self.filename = filename
        self._immediate = immediate
        self.stdout = stdout
        self.dirs = dirs
        self.sort = sort or ('cumulative', 'time', 'calls')
        if isinstance(self.sort, str):
            self.sort = (self.sort, )
        self.entries = entries
        self.reset_stats()
        if not self.immediate:
            atexit.register(self.atexit) 

# 需要导入模块: import hotshot [as 别名]
# 或者: from hotshot import log [as 别名]
def __call__(self, *args, **kw):
        """Profile a singe call to the function."""
        fn = self.fn
        timer = self.timer
        self.ncalls += 1
        start = timer()
        try:
            return fn(*args, **kw)
        finally:
            duration = timer() - start
            self.totaltime += duration
            if self.immediate:
                funcname = fn.__name__
                filename = fn.__code__.co_filename
                lineno = fn.__code__.co_firstlineno
                message = "%s (%s:%s):\n    %.3f seconds\n\n" % (
                    funcname, filename, lineno, duration,
                )
                if self.logger:
                    self.logger.log(self.log_level, message)
                else:
                    sys.stderr.write("\n  " + message)
                    sys.stderr.flush() 

# 需要导入模块: import hotshot [as 别名]
# 或者: from hotshot import log [as 别名]
def __init__(self, fn, skip=0, filename=None, immediate=False, dirs=False,
                 sort=None, entries=40):
        """Creates a profiler for a function.

        Every profiler has its own log file (the name of which is derived
        from the function name).

        FuncProfile registers an atexit handler that prints profiling
        information to sys.stderr when the program terminates.
        """
        self.fn = fn
        self.skip = skip
        self.filename = filename
        self.immediate = immediate
        self.dirs = dirs
        self.sort = sort or ('cumulative', 'time', 'calls')
        if isinstance(self.sort, str):
            self.sort = (self.sort, )
        self.entries = entries
        self.reset_stats()
        atexit.register(self.atexit) 

# 需要导入模块: import hotshot [as 别名]
# 或者: from hotshot import log [as 别名]
def atexit(self):
            """Stop profiling and print profile information to sys.stderr.

            This function is registered as an atexit hook.
            """
            self.profiler.close()
            funcname = self.fn.__name__
            filename = self.fn.__code__.co_filename
            lineno = self.fn.__code__.co_firstlineno
            print("")
            print("*** COVERAGE RESULTS ***")
            print("%s (%s:%s)" % (funcname, filename, lineno))
            print("function called %d times" % self.ncalls)
            print("")
            fs = FuncSource(self.fn)
            reader = hotshot.log.LogReader(self.logfilename)
            for what, (filename, lineno, funcname), tdelta in reader:
                if filename != fs.filename:
                    continue
                if what == hotshot.log.LINE:
                    fs.mark(lineno)
                if what == hotshot.log.ENTER:
                    # hotshot gives us the line number of the function
                    # definition and never gives us a LINE event for the first
                    # statement in a function, so if we didn't perform this
                    # mapping, the first statement would be marked as never
                    # executed
                    if lineno == fs.firstlineno:
                        lineno = fs.firstcodelineno
                    fs.mark(lineno)
            reader.close()
            print(fs)
            never_executed = fs.count_never_executed()
            if never_executed:
                print("%d lines were not executed." % never_executed) 

# 需要导入模块: import hotshot [as 别名]
# 或者: from hotshot import log [as 别名]
def load(self):
        # The timer selected by the profiler should never be used, so make
        # sure it doesn't work:
        p = Profile()
        p.get_time = _brokentimer
        log = hotshot.log.LogReader(self._logfn)
        taccum = 0
        for event in log:
            what, (filename, lineno, funcname), tdelta = event
            if tdelta > 0:
                taccum += tdelta

            # We multiply taccum to convert from the microseconds we
            # have to the seconds that the profile/pstats module work
            # with; this allows the numbers to have some basis in
            # reality (ignoring calibration issues for now).

            if what == ENTER:
                frame = self.new_frame(filename, lineno, funcname)
                p.trace_dispatch_call(frame, taccum * .000001)
                taccum = 0

            elif what == EXIT:
                frame = self.pop_frame()
                p.trace_dispatch_return(frame, taccum * .000001)
                taccum = 0

            # no further work for line events

        assert not self._stack
        return pstats.Stats(p) 

# 需要导入模块: import hotshot [as 别名]
# 或者: from hotshot import log [as 别名]
def atexit(self):
            """Stop profiling and print profile information to sys.stderr.

            This function is registered as an atexit hook.
            """
            self.profiler.close()
            funcname = self.fn.__name__
            filename = self.fn.__code__.co_filename
            lineno = self.fn.__code__.co_firstlineno
            print("")
            print("*** COVERAGE RESULTS ***")
            print("%s (%s:%s)" % (funcname, filename, lineno))
            print("function called %d times" % self.ncalls)
            print("")
            fs = FuncSource(self.fn)
            reader = hotshot.log.LogReader(self.logfilename)
            for what, (filename, lineno, funcname), tdelta in reader:
                if filename != fs.filename:
                    continue
                if what == hotshot.log.LINE:
                    fs.mark(lineno)
                if what == hotshot.log.ENTER:
                    # hotshot gives us the line number of the function definition
                    # and never gives us a LINE event for the first statement in
                    # a function, so if we didn't perform this mapping, the first
                    # statement would be marked as never executed
                    if lineno == fs.firstlineno:
                        lineno = fs.firstcodelineno
                    fs.mark(lineno)
            reader.close()
            print(fs) 

# 需要导入模块: import hotshot [as 别名]
# 或者: from hotshot import log [as 别名]
def __init__(self, logfn):
        self.__logfn = logfn
        hotshot.log.LogReader.__init__(self, logfn) 

# 需要导入模块: import hotshot [as 别名]
# 或者: from hotshot import log [as 别名]
def next(self, index=None):
        try:
            return hotshot.log.LogReader.next(self)
        except StopIteration:
            self.close()
            os.unlink(self.__logfn)
            raise 

# 需要导入模块: import hotshot [as 别名]
# 或者: from hotshot import log [as 别名]
def test_addinfo(self):
        def f(p):
            p.addinfo("test-key", "test-value")
        profiler = self.new_profiler()
        profiler.runcall(f, profiler)
        profiler.close()
        log = self.get_logreader()
        info = log._info
        list(log)
        self.failUnless(info["test-key"] == ["test-value"]) 

# 需要导入模块: import hotshot [as 别名]
# 或者: from hotshot import log [as 别名]
def atexit(self):
            """Stop profiling and print profile information to sys.stderr.

            This function is registered as an atexit hook.
            """
            self.profiler.close()
            funcname = self.fn.__name__
            filename = self.fn.func_code.co_filename
            lineno = self.fn.func_code.co_firstlineno
            print
            print "*** COVERAGE RESULTS ***"
            print "%s (%s:%s)" % (funcname, filename, lineno)
            print "function called %d times" % self.ncalls
            print
            fs = FuncSource(self.fn)
            reader = hotshot.log.LogReader(self.logfilename)
            for what, (filename, lineno, funcname), tdelta in reader:
                if filename != fs.filename:
                    continue
                if what == hotshot.log.LINE:
                    fs.mark(lineno)
                if what == hotshot.log.ENTER:
                    # hotshot gives us the line number of the function definition
                    # and never gives us a LINE event for the first statement in
                    # a function, so if we didn't perform this mapping, the first
                    # statement would be marked as never executed
                    if lineno == fs.firstlineno:
                        lineno = fs.firstcodelineno
                    fs.mark(lineno)
            reader.close()
            print fs