From: Zbigniew Jędrzejewski-Szmek Date: Sat, 9 Feb 2013 17:20:05 +0000 (-0500) Subject: python: utilize uuid.UUID in logging X-Git-Tag: v198~140^2~39 X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=afcd68c1498ba4d449b782f4703490a74770c5f4 python: utilize uuid.UUID in logging --- diff --git a/src/python-systemd/journal.py b/src/python-systemd/journal.py index fc57437c2..d610b4767 100644 --- a/src/python-systemd/journal.py +++ b/src/python-systemd/journal.py @@ -35,24 +35,18 @@ def _make_line(field, value): def send(MESSAGE, MESSAGE_ID=None, CODE_FILE=None, CODE_LINE=None, CODE_FUNC=None, **kwargs): - r"""Send a message to journald. + r"""Send a message to the journal. >>> journal.send('Hello world') >>> journal.send('Hello, again, world', FIELD2='Greetings!') >>> journal.send('Binary message', BINARY=b'\xde\xad\xbe\xef') Value of the MESSAGE argument will be used for the MESSAGE= - field. + field. MESSAGE must be a string and will be sent as UTF-8 to + the journal. MESSAGE_ID can be given to uniquely identify the type of - message. - - Other parts of the message can be specified as keyword - arguments. - - Both MESSAGE and MESSAGE_ID, if present, must be strings, and - will be sent as UTF-8 to journal. Other arguments can be - bytes, in which case they will be sent as-is to journal. + message. It must be a string or a uuid.UUID object. CODE_LINE, CODE_FILE, and CODE_FUNC can be specified to identify the caller. Unless at least on of the three is given, @@ -60,6 +54,11 @@ def send(MESSAGE, MESSAGE_ID=None, send(). CODE_FILE and CODE_FUNC must be strings, CODE_LINE must be an integer. + Additional fields for the journal entry can only be specified + as keyword arguments. The payload can be either a string or + bytes. A string will be sent as UTF-8, and bytes will be sent + as-is to the journal. + Other useful fields include PRIORITY, SYSLOG_FACILITY, SYSLOG_IDENTIFIER, SYSLOG_PID. """ @@ -67,7 +66,8 @@ def send(MESSAGE, MESSAGE_ID=None, args = ['MESSAGE=' + MESSAGE] if MESSAGE_ID is not None: - args.append('MESSAGE_ID=' + MESSAGE_ID) + id = getattr(MESSAGE_ID, 'hex', MESSAGE_ID) + args.append('MESSAGE_ID=' + id) if CODE_LINE == CODE_FILE == CODE_FUNC == None: CODE_FILE, CODE_LINE, CODE_FUNC = \ @@ -138,8 +138,9 @@ class JournalHandler(_logging.Handler): To attach journal MESSAGE_ID, an extra field is supported: - >>> log.warn("Message with ID", - >>> extra={'MESSAGE_ID': '22bb01335f724c959ac4799627d1cb61'}) + >>> import uuid + >>> mid = uuid.UUID('0123456789ABCDEF0123456789ABCDEF') + >>> log.warn("Message with ID", extra={'MESSAGE_ID': mid}) To redirect all logging messages to journal regardless of where they come from, attach it to the root logger: