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import datetime
import logging
import os
import sys
import threading
import CPL_recipe
class NullHandler(logging.Handler):
def emit(self, record):
pass
logging.getLogger('cpl').addHandler(NullHandler())
level = { "DEBUG":logging.DEBUG, "INFO":logging.INFO, "WARNING":logging.WARN,
"ERROR":logging.ERROR }
class LogServer(threading.Thread):
def __init__(self, filename, name, level):
threading.Thread.__init__(self)
self.logfile = filename
self.name = name
self.logger = logging.getLogger(name)
self.level = CplLogger.verbosity.index(level)
self.entries = LogList()
os.mkfifo(self.logfile)
self.start()
def run(self):
try:
logfile = open(self.logfile, buffering = 0)
except:
pass
try:
line = logfile.readline()
while line:
self.log(line)
line = logfile.readline()
except:
pass
def log(self, s):
try:
creation_date = datetime.datetime.combine(
datetime.date.today(),
datetime.time(int(s[0:2]),int(s[3:5]),int(s[6:8])))
lvl = level.get(s[10:17].strip(), logging.NOTSET)
func = s[19:].split(':', 1)[0]
msg = s[19:].split(':', 1)[1][1:-1]
if msg.startswith('[tid='):
threadid = int(msg[5:8])
msg = msg[10:] if threadid > 0 else msg[12:]
else:
threadid = None
log = logging.getLogger('%s.%s' % (self.logger.name, func))
record = logging.LogRecord(log.name, lvl, None, None, msg,
None, None, func)
created = float(creation_date.strftime('%s'))
if record.created < created:
created -= 86400
record.relativeCreated -= record.msecs
record.relativeCreated += 1000*(created - record.created + 1)
record.created = created
record.msecs = 0.0
record.threadid = threadid
record.threadName = ('Cpl-%03i' % threadid) if threadid else 'CplThread'
self.entries.append(record)
if log.isEnabledFor(lvl) and log.filter(record):
log.handle(record)
except:
pass
class LogList(list):
'''List of log messages.
Accessing this :class:`list` directly will return the
:class:`logging.LogRecord` instances.
Example::
res = muse_bias(bias_frames)
for logrecord in res.log:
print '%s: %s' % (entry.funcname, entry.msg)
To get them formatted as string, use the :attr:`error`, :attr:`warning`,
:attr:`info` or :attr:`debug` attributes::
res = muse_bias(bias_frames)
for line in res.log.info:
print line
'''
def filter(self, level):
return [ '%s: %s' % (entry.funcName, entry.msg) for entry in self
if entry.levelno >= level ]
@property
def error(self):
'''Error messages as list of :class:`str`
'''
return self.filter(logging.ERROR)
@property
def warning(self):
'''Warnings and error messages as list of :class:`str`
'''
return self.filter(logging.WARN)
@property
def info(self):
'''Info, warning and error messages as list of :class:`str`
'''
return self.filter(logging.INFO)
@property
def debug(self):
'''Debug, info, warning, and error messages as list of :class:`str`
'''
return self.filter(logging.DEBUG)
class CplLogger(object):
DEBUG = logging.DEBUG
INFO = logging.INFO
WARN = logging.WARN
ERROR = logging.ERROR
OFF = 101
verbosity = [ DEBUG, INFO, WARN, ERROR, OFF ]
_time_enabled = False
def __init__(self, name = 'cpl'):
self.name = name
@property
def level(self):
'''Log level for output to the terminal. Any of
[ DEBUG, INFO, WARN, ERROR, OFF ]
.. deprecated:: 0.3
Use :func:`logging.Logger.setLevel`
'''
return CplLogger.verbosity[CPL_recipe.get_msg_level()]
@level.setter
def level(self, level):
CPL_recipe.set_msg_level(CplLogger.verbosity.index(level))
@property
def time(self):
'''Specify whether time tag shall be included in the terminal output
.. deprecated:: 0.3
Use :func:`logging.Handler.setFormatter`
'''
return CplLogger._time_enabled
@time.setter
def time(self, enable):
CPL_recipe.set_msg_time(enable);
CplLogger._time_enabled = not not enable
@property
def domain(self):
'''The domain tag in the header of the log file.
.. deprecated:: 0.3
Use :func:`logging.getLogger`
'''
return CPL_recipe.get_log_domain()
@domain.setter
def domain(self, domain):
CPL_recipe.set_log_domain(domain)
def log(self, level, msg, caller = None):
if caller == None:
caller = CPL_recipe.get_log_domain()
logging.getLogger('%s.%s' % (self.name, caller)).log(level, msg)
CPL_recipe.log(CplLogger.verbosity.index(level), caller, msg)
def debug(self, msg, caller = None):
'''Put a 'debug' message to the log.
:param msg: Message to put
:type msg: :class:`str`
:param caller: Name of the function generating the message.
:type caller: :class:`str`
.. deprecated:: 0.3
Use :func:`logging.Logger.debug`
'''
self.log(CplLogger.DEBUG, msg, caller)
def info(self, msg, caller = None):
'''Put an 'info' message to the log.
:param msg: Message to put
:type msg: :class:`str`
:param caller: Name of the function generating the message.
:type caller: :class:`str`
.. deprecated:: 0.3
Use :func:`logging.Logger.info`
'''
self.log(CplLogger.INFO, msg, caller)
def warn(self, msg, caller = None):
'''Put a 'warn' message to the log.
:param msg: Message to put
:type msg: :class:`str`
:param caller: Name of the function generating the message.
:type caller: :class:`str`
.. deprecated:: 0.3
Use :func:`logging.Logger.warn`
'''
self.log(CplLogger.WARN, msg, caller)
def error(self, msg, caller = None):
'''Put an 'error' message to the log.
:param msg: Message to put
:type msg: :class:`str`
:param caller: Name of the function generating the message.
:type caller: :class:`str`
.. deprecated:: 0.3
Use :func:`logging.Logger.error`
'''
self.log(CplLogger.ERROR, msg, caller)
def indent_more(self):
'''Indent the output more.'''
CPL_recipe.log_indent_more()
def indent_less(self):
'''Indent the output less.'''
CPL_recipe.log_indent_less()
msg = CplLogger()
lib_version = CPL_recipe.version()
lib_description = CPL_recipe.description()
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