The Tor Browser: testing/mozbase/docs/mozlog.rst@deefc01c0e14

Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)

     1 :mod:`mozlog` --- Easy, configurable and uniform logging

     2 ========================================================

     4 Mozlog is a python package intended to simplify and standardize logs

     5 in the Mozilla universe. It wraps around python's logging module and

     6 adds some additional functionality.

     8 .. note::

     9   For the purposes of logging results and other output from test runs,

    10   :doc:`mozlog.structured<mozlog_structured>` should now be used

    11   instead of this module.

    13 .. automodule:: mozlog

    14     :members: getLogger

    16 .. autoclass:: MozLogger

    17     :members: testStart, testEnd, testPass, testFail, testKnownFail

    19 Examples

    20 --------

    22 Log to stdout::

    24     import mozlog

    25     log = mozlog.getLogger('MODULE_NAME')

    26     log.setLevel(mozlog.INFO)

    27     log.info('This message will be printed to stdout')

    28     log.debug('This won't')

    29     log.testPass('A test has passed')

    30     mozlog.shutdown()

    32 Log to a file::

    34     import mozlog

    35     log = mozlog.getLogger('MODULE_NAME', handler=mozlog.FileHandler('path/to/log/file'))

    36     log.warning('Careful!')

    37     log.testKnownFail('We know the cause for this failure')

    38     mozlog.shutdown()

    40 Log from an existing object using the LoggingMixin::

    42     import mozlog

    43     class Loggable(mozlog.LoggingMixin):

    44         """Trivial class inheriting from LoggingMixin"""

    45         def say_hello(self):

    46             self.info("hello")

    48     loggable = Loggable()

    49     loggable.say_hello()

    52 .. _logging: http://docs.python.org/library/logging.html

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