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LSST Data Management Base Package
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lsst.log.utils Namespace Reference

Classes

class  LogRedirect
 

Functions

 traceSetAt (name, number)
 
 temporaryLogLevel (name, level)
 
 enable_notebook_logging (dest=sys.stderr)
 
 disable_notebook_logging ()
 

Variables

 _redirect = None
 

Function Documentation

◆ disable_notebook_logging()

lsst.log.utils.disable_notebook_logging ( )
Stop notebook output for log4cxx messages.

Definition at line 147 of file utils.py.

147def disable_notebook_logging():
148 """Stop notebook output for log4cxx messages."""
149 global _redirect
150 if _redirect is not None:
151 _redirect.finish()
152 _redirect = None

◆ enable_notebook_logging()

lsst.log.utils.enable_notebook_logging ( dest = sys.stderr)
Enable notebook output for log4cxx messages.

Definition at line 140 of file utils.py.

140def enable_notebook_logging(dest=sys.stderr):
141 """Enable notebook output for log4cxx messages."""
142 global _redirect
143 if _redirect is None:
144 _redirect = LogRedirect(dest=dest)
145
146

◆ temporaryLogLevel()

lsst.log.utils.temporaryLogLevel ( name,
level )
A context manager that temporarily sets the level of a `Log`.

Parameters
----------
name : `str`
    Name of the log to modify.
level : `int`
    Integer enumeration constant indicating the temporary log level.

Definition at line 58 of file utils.py.

58def temporaryLogLevel(name, level):
59 """A context manager that temporarily sets the level of a `Log`.
60
61 Parameters
62 ----------
63 name : `str`
64 Name of the log to modify.
65 level : `int`
66 Integer enumeration constant indicating the temporary log level.
67 """
68 log = Log.getLogger(name)
69 old = log.getLevel()
70 log.setLevel(level)
71 try:
72 yield
73 finally:
74 log.setLevel(old)
75
76

◆ traceSetAt()

lsst.log.utils.traceSetAt ( name,
number )
Adjusts logging level to display messages with the trace number being
less than or equal to the provided value.

Parameters
----------
name : `str`
    Name of the logger.
number : `int`
    The trace number threshold for display.

Definition at line 41 of file utils.py.

41def traceSetAt(name, number):
42 """Adjusts logging level to display messages with the trace number being
43 less than or equal to the provided value.
44
45 Parameters
46 ----------
47 name : `str`
48 Name of the logger.
49 number : `int`
50 The trace number threshold for display.
51 """
52 for i in range(6):
53 level = Log.INFO if i > number else Log.DEBUG
54 Log.getLogger('TRACE%d.%s' % (i, name)).setLevel(level)
55
56
57@contextmanager

Variable Documentation

◆ _redirect

lsst.log.utils._redirect = None
protected

Definition at line 137 of file utils.py.