gmyth: gmyth-stream/server/0.3/lib/log.py@0e159c5e2d32

     1 #!/usr/bin/env python

     3 __author__ = "Artur Duque de Souza"

     4 __author_email__ = "artur.souza@indt.org.br"

     5 __license__ = "GPL"

     6 __version__ = "0.1"

     8 import os

     9 import logging

    11 __all__ = ("Log", "log_structure")

    13 class log_structure(object):

    14     """Structure to hold log info."""

    16     def __init__(self, log=None):

    17         self.log = log

    18         self.history = []

    19     # __init__()

    21 # log_structure()

    23 class Log(object):

    24     """This class implements a log where we can store status of

    25     all transcoders (even from those that are not running any more)."""

    27     ## key = tid

    28     ## item = ls

    29     logs = {}

    31     def insert(self, tid, name):

    32         """Insert a given tid on the log structure"""

    33         if not self.logs.has_key(tid):

    34             self.logs[tid] = log_structure(logging.getLogger(name))

    35             return True

    36         else:

    37             return False

    38     # insert()

    40     def remove(self, tid=None):

    41         """Cleans up all log stored for a

    42         given tid or for all transcodes."""

    43         if not tid:

    44             self.logs = {}

    45         else:

    46             del(self.logs[tid])

    48         return True

    49     # clean()

    51     def get_status(self, tid=None, all=False):

    52         """Get the status of all transcoders or

    53         of just one of them if it's given an tid."""

    54         if not tid:

    55             ret = {}

    56             for tids, logs in self.logs.items():

    57                 if len(logs.history) > 0:

    58                     if not all:

    59                         ret[tids] = logs.history[-1]

    60                     else:

    61                         ret[tids] = logs.history

    62             return ret

    63         elif self.logs.has_key(tid) and len(self.logs[tid].history) > 0:

    64             if not all:

    65                 return self.logs[tid].history[-1]

    66             else:

    67                 return self.logs[tid].history

    69         return False

    70     # get_status()

    72     def _update_status(self, tid=None, msg=""):

    73         """Update the status of a given tid. Private method that

    74         is only called inside error/info/debug wrappers"""

    75         if msg != "":

    76             self.logs[tid].history.append(msg)

    77             return True

    78         else:

    79             return False

    80     # update_status()

    82     def error(self, tid, msg):

    83         """Python's Log.error wrapper"""

    84         if self.logs.has_key(tid):

    85             self.logs[tid].log.error("%s" % msg)

    86             return self._update_status(tid, msg)

    87         else:

    88             return False

    89     # error()

    91     def info(self, tid, msg):

    92         """Python's Log.info wrapper"""

    93         if self.logs.has_key(tid):

    94             self.logs[tid].log.info("%s" % msg)

    95             self._update_status(tid, msg)

    96             return True

    97         else:

    98             return False

    99     # info()

   101     def debug(self, tid, msg):

   102         """Python's Log.debug wrapper"""

   103         if self.logs.has_key(tid):

   104             self.logs[tid].log.debug("%s" % msg)

   105             self._update_status(tid, msg)

   106             return True

   107         else:

   108             return False

   109     # debug()

author	morphbr
	Wed Aug 29 10:00:25 2007 +0100 (2007-08-29)
branch	trunk
changeset 830	0e159c5e2d32
permissions	-rw-r--r--