python.Helpers.ShutUp Class Reference

Inheritance diagram for python.Helpers.ShutUp:

Collaboration diagram for python.Helpers.ShutUp:

Public Member Functions
	__init__ (self, filters=DefaultFilter)
	__del__ (self)
	mute (self)
	unMute (self)
	__enter__ (self)
	__exit__ (self, exc_type, exc_val, exc_tb)

Public Attributes
	save_err = open( '/dev/null', 'w' )
	save_out = open( '/dev/null', 'w' )
	quiet_err = NamedTemporaryFile( suffix = ".msg.log" )
	quiet_out = NamedTemporaryFile( suffix = ".msg.log" )
	filters = filters

Static Public Attributes
list	DefaultFilter

Protected Attributes
bool	_dummy = False

Private Member Functions
	__filterRootMessages (self, fd)

Detailed Description

A little helper class to keep ROOT silent...

Definition at line 32 of file Tools/PyUtils/python/Helpers.py.

Constructor & Destructor Documentation

__init__()

python.Helpers.ShutUp.__init__	(		self,
			filters = DefaultFilter )

Definition at line 41 of file Tools/PyUtils/python/Helpers.py.

    def __init__(self, filters = DefaultFilter):
        self._dummy = False # if dummy, we don't really shut-up ROOT...
        if os.environ.get('PYUTILS_SHUTUP_DEBUG', '0') == '1':
            self._dummy = True
            
        self.save_err  = open( '/dev/null', 'w' )
        self.save_out  = open( '/dev/null', 'w' )
        try:
            self.quiet_err = NamedTemporaryFile( suffix = ".msg.log" )
            self.quiet_out = NamedTemporaryFile( suffix = ".msg.log" )
        except OSError:
            # load problem ?
            # retry a bit later... (in 2 seconds)
            import time
            time.sleep(2) #
            try:
                self.quiet_err = NamedTemporaryFile( suffix = ".msg.log" )
                self.quiet_out = NamedTemporaryFile( suffix = ".msg.log" )
            except OSError:
                # then (implicitly) fallback on sys.stderr
                self._dummy = True
 
        self.filters = filters
 
        if not self._dummy:
            os.dup2( sys.stderr.fileno(), self.save_err.fileno() )
            os.dup2( sys.stdout.fileno(), self.save_out.fileno() )
        return
 

__del__()

python.Helpers.ShutUp.__del__

(

self

)

Definition at line 70 of file Tools/PyUtils/python/Helpers.py.

    def __del__ (self):
       self.save_err.close()
       self.save_out.close()
       return
    

Member Function Documentation

__enter__()

python.Helpers.ShutUp.__enter__

(

self

)

Definition at line 105 of file Tools/PyUtils/python/Helpers.py.

    def __enter__(self):
        return self.mute()

__exit__()

python.Helpers.ShutUp.__exit__	(		self,
			exc_type,
			exc_val,
			exc_tb )

Definition at line 107 of file Tools/PyUtils/python/Helpers.py.

    def __exit__(self,exc_type, exc_val, exc_tb):
        return self.unMute()
 
 
@cache

__filterRootMessages()

python.Helpers.ShutUp.__filterRootMessages ( self, fd )

private

Definition at line 91 of file Tools/PyUtils/python/Helpers.py.

    def __filterRootMessages(self, fd):
        fd.seek(0)
        for l in fd.readlines():
            l = l.decode()
            printOut = True
            for filter in self.filters:
                if re.match(filter, l):
                    printOut = False
            if printOut:
                print ("PyRoot:",l.replace("\n",""))
            pass
        return
 

mute()

python.Helpers.ShutUp.mute

(

self

)

Definition at line 75 of file Tools/PyUtils/python/Helpers.py.

    def mute(self):
        if not self._dummy:
            os.dup2( self.quiet_err.fileno(), sys.stderr.fileno() )
            os.dup2( self.quiet_out.fileno(), sys.stdout.fileno() )
        return
    

unMute()

python.Helpers.ShutUp.unMute

(

self

)

Definition at line 81 of file Tools/PyUtils/python/Helpers.py.

    def unMute(self):
        if not self._dummy:
            os.dup2( self.save_err.fileno(), sys.stderr.fileno() )
            os.dup2( self.save_out.fileno(), sys.stdout.fileno() )
            self.__filterRootMessages(self.quiet_err)
            self.quiet_err.seek(0)
            self.__filterRootMessages(self.quiet_out)
            self.quiet_out.seek(0)
        return
 

Member Data Documentation

_dummy

bool python.Helpers.ShutUp._dummy = False

protected

Definition at line 42 of file Tools/PyUtils/python/Helpers.py.

DefaultFilter

list python.Helpers.ShutUp.DefaultFilter

static

Initial value:

=  [
        re.compile("Warning in <TClass::TClass>: no dictionary for class."),
        re.compile("Warning in <TEnvRec::ChangeValue>: duplicate entry."),
        re.compile("Error in <TStreamerInfo::BuildOld>:."),
        ]

Definition at line 36 of file Tools/PyUtils/python/Helpers.py.

filters

python.Helpers.ShutUp.filters = filters

Definition at line 63 of file Tools/PyUtils/python/Helpers.py.

quiet_err

python.Helpers.ShutUp.quiet_err = NamedTemporaryFile( suffix = ".msg.log" )

Definition at line 49 of file Tools/PyUtils/python/Helpers.py.

quiet_out

python.Helpers.ShutUp.quiet_out = NamedTemporaryFile( suffix = ".msg.log" )

Definition at line 50 of file Tools/PyUtils/python/Helpers.py.

save_err

python.Helpers.ShutUp.save_err = open( '/dev/null', 'w' )

Definition at line 46 of file Tools/PyUtils/python/Helpers.py.

save_out

python.Helpers.ShutUp.save_out = open( '/dev/null', 'w' )

Definition at line 47 of file Tools/PyUtils/python/Helpers.py.

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The documentation for this class was generated from the following file:

• Tools/PyUtils/python/Helpers.py