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Logging package for Python. Based on PEP 282 and comments thereto in
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Copyright (C) 2001-2014 Vinay Sajip. All Rights Reserved.
To use, simply 'import logging' and log away!
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Return the textual representation of logging level 'level'.
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associated levels with names using addLevelName then the name you have
associated with 'level' is returned.
If a numeric value corresponding to one of the defined levels is passed
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Associate 'levelName' with 'level'.
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Acquire the module-level lock for serializing access to shared data.
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A LogRecord instance represents an event being logged.
LogRecord instances are created every time something is logged. They
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using str(msg) % args to create the message field of the record. The
record also includes information such as when the record was created,
the source line where the logging call was made, and any exception
information to be logged.
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Initialize a logging record with interesting information.
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Return the message for this LogRecord.
Return the message for this LogRecord after merging any user-supplied
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Make a LogRecord whose attributes are defined by the specified dictionary,
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Formatter instances are used to convert a LogRecord to text.
Formatters need to know how a LogRecord is constructed. They are
responsible for converting a LogRecord to (usually) a string which can
be interpreted by either a human or an external system. The base Formatter
allows a formatting string to be specified. If none is supplied, the
default value of "%s(message)\n" is used.
The Formatter can be initialized with a format string which makes use of
knowledge of the LogRecord attributes - e.g. the default value mentioned
above makes use of the fact that the user's message and arguments are pre-
formatted into a LogRecord's message attribute. Currently, the useful
attributes in a LogRecord are described by:
%(name)s Name of the logger (logging channel)
%(levelno)s Numeric logging level for the message (DEBUG, INFO,
WARNING, ERROR, CRITICAL)
%(levelname)s Text logging level for the message ("DEBUG", "INFO",
"WARNING", "ERROR", "CRITICAL")
%(pathname)s Full pathname of the source file where the logging
call was issued (if available)
%(filename)s Filename portion of pathname
%(module)s Module (name portion of filename)
%(lineno)d Source line number where the logging call was issued
(if available)
%(funcName)s Function name
%(created)f Time when the LogRecord was created (time.time()
return value)
%(asctime)s Textual time when the LogRecord was created
%(msecs)d Millisecond portion of the creation time
%(relativeCreated)d Time in milliseconds when the LogRecord was created,
relative to the time the logging module was loaded
(typically at application startup time)
%(thread)d Thread ID (if available)
%(threadName)s Thread name (if available)
%(process)d Process ID (if available)
%(message)s The result of record.getMessage(), computed just as
the record is emitted
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Initialize the formatter with specified format strings.
Initialize the formatter either with the specified format string, or a
default as described above. Allow for specialized date formatting with
the optional datefmt argument (if omitted, you get the ISO8601 format).
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Return the creation time of the specified LogRecord as formatted text.
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in formatters to provide for any specific requirement, but the
basic behaviour is as follows: if datefmt (a string) is specified,
it is used with time.strftime() to format the creation time of the
record. Otherwise, the ISO8601 format is used. The resulting
string is returned. This function uses a user-configurable function
to convert the creation time to a tuple. By default, time.localtime()
is used; to change this for a particular formatter instance, set the
'converter' attribute to a function with the same signature as
time.localtime() or time.gmtime(). To change it for all formatters,
for example if you want all logging times to be shown in GMT,
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Format and return the specified exception information as a string.
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Check if the format uses the creation time of the record.
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Format the specified record as text.
The record's attribute dictionary is used as the operand to a
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Before formatting the dictionary, a couple of preparatory steps
are carried out. The message attribute of the record is computed
using LogRecord.getMessage(). If the formatting string uses the
time (as determined by a call to usesTime(), formatTime() is
called to format the event time. If there is exception information,
it is formatted using formatException() and appended to the message.
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A formatter suitable for formatting a number of records.
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Optionally specify a formatter which will be used to format each
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Return the header string for the specified records.
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Return the footer string for the specified records.
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Format the specified records and return the result as a string.
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Filter instances are used to perform arbitrary filtering of LogRecords.
Loggers and Handlers can optionally use Filter instances to filter
records as desired. The base filter class only allows events which are
below a certain point in the logger hierarchy. For example, a filter
initialized with "A.B" will allow events logged by loggers "A.B",
"A.B.C", "A.B.C.D", "A.B.D" etc. but not "A.BB", "B.A.B" etc. If
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Initialize a filter.
Initialize with the name of the logger which, together with its
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Determine if the specified record is to be logged.
Is the specified record to be logged? Returns 0 for no, nonzero for
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A base class for loggers and handlers which allows them to share
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Add the specified filter to this handler.
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Remove the specified filter from this handler.
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Determine if a record is loggable by consulting all the filters.
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this and the record is then dropped. Returns a zero value if a record
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Remove a handler reference from the internal cleanup list.
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Add a handler to the internal cleanup list using a weak reference.
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Handler instances dispatch logging events to specific destinations.
The base handler class. Acts as a placeholder which defines the Handler
interface. Handlers can optionally use Formatter instances to format
records as desired. By default, no formatter is specified; in this case,
the 'raw' message as determined by record.message is logged.
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Initializes the instance - basically setting the formatter to None
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Acquire a thread lock for serializing access to the underlying I/O.
N(R]R_tRLocktlockRT(Rj((s1/usr/stallion/src/cpython/Lib/logging/__init__.pyR��scCs|jr|jj�ndS(s.
Acquire the I/O thread lock.
N(R�R>(Rj((s1/usr/stallion/src/cpython/Lib/logging/__init__.pyR>�s cCs|jr|jj�ndS(s.
Release the I/O thread lock.
N(R�R?(Rj((s1/usr/stallion/src/cpython/Lib/logging/__init__.pyR?�s cCst|�|_dS(s8
Set the logging level of this handler.
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Format the specified record.
If a formatter is set, use it. Otherwise, use the default formatter
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Do whatever it takes to actually log the specified logging record.
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Conditionally emit the specified logging record.
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Wrap the actual emission of the record with acquisition/release of
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emission.
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Set the formatter for this handler.
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Ensure all logging output has been flushed.
This version does nothing and is intended to be implemented by
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Tidy up any resources used by the handler.
This version removes the handler from an internal map of handlers,
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methods.
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Handle errors which occur during an emit() call.
This method should be called from handlers when an exception is
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exceptions get silently ignored. This is what is mostly wanted
for a logging system - most users will not care about errors in
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You could, however, replace this with a custom handler if you wish.
The record which was being processed is passed in to this method.
iiisLogged from file %s, line %s
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A handler class which writes logging records, appropriately formatted,
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Initialize the handler.
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Flushes the stream.
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Emit a record.
If a formatter is specified, it is used to format the record.
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output to the stream.
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A handler class which writes formatted logging records to disk files.
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Open the specified file and use it as the stream for logging.
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Closes the stream.
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Open the current base file with the (original) mode and encoding.
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Emit a record.
If the stream was not opened because 'delay' was specified in the
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PlaceHolder instances are used in the Manager logger hierarchy to take
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Initialize with the specified logger being a child of this placeholder.
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Add the specified logger as a child of this placeholder.
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Set the class to be used when instantiating a logger. The class should
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Get a logger with the specified name (channel name), creating it
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Set the class to be used when instantiating a logger with this Manager.
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Ensure that there are either loggers or placeholders all the way
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Ensure that children of the placeholder ph are connected to the
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Instances of the Logger class represent a single logging channel. A
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by a unique string. Application areas can be nested (e.g. an area
of "input processing" might include sub-areas "read CSV files", "read
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channel names are organized into a namespace hierarchy where levels are
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There is no arbitrary limit to the depth of nesting.
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Initialize the logger with a name and an optional level.
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Log 'msg % args' with severity 'DEBUG'.
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Log 'msg % args' with severity 'INFO'.
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Log 'msg % args' with severity 'WARNING'.
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Log 'msg % args' with severity 'ERROR'.
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Convenience method for logging an ERROR with exception information.
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Log 'msg % args' with severity 'CRITICAL'.
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Log 'msg % args' with the integer severity 'level'.
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Find the stack frame of the caller so that we can note the source
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A factory method which can be overridden in subclasses to create
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Low-level logging routine which creates a LogRecord and then calls
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Call the handlers for the specified record.
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Add the specified handler to this logger.
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Pass a record to all relevant handlers.
Loop through all handlers for this logger and its parents in the
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Get the effective level for this logger.
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Get a logger which is a descendant to this one.
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A root logger is not that different to any other logger, except that
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An adapter for loggers which makes it easier to specify contextual
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Initialize the adapter with a logger and a dict-like object which
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N(RR�(RjRR�((s1/usr/stallion/src/cpython/Lib/logging/__init__.pyRnxs cCs|j|d<||fS(s�
Process the logging message and keyword arguments passed in to
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Delegate a debug call to the underlying logger, after adding
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Delegate an info call to the underlying logger, after adding
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Delegate a warning call to the underlying logger, after adding
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Delegate an error call to the underlying logger, after adding
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Delegate an exception call to the underlying logger, after adding
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Delegate a critical call to the underlying logger, after adding
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Delegate a log call to the underlying logger, after adding
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N(RiRR (RjR1RERIR�((s1/usr/stallion/src/cpython/Lib/logging/__init__.pyR �scCs|jj|�S(sR
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Do basic configuration for the logging system.
This function does nothing if the root logger already has handlers
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sys.stderr, set a formatter using the BASIC_FORMAT format string, and
add the handler to the root logger.
A number of optional keyword arguments may be specified, which can alter
the default behaviour.
filename Specifies that a FileHandler be created, using the specified
filename, rather than a StreamHandler.
filemode Specifies the mode to open the file, if filename is specified
(if filemode is unspecified, it defaults to 'a').
format Use the specified format string for the handler.
datefmt Use the specified date/time format.
level Set the root logger level to the specified level.
stream Use the specified stream to initialize the StreamHandler. Note
that this argument is incompatible with 'filename' - if both
are present, 'stream' is ignored.
Note that you could specify a stream created using open(filename, mode)
rather than passing the filename and mode in. However, it should be
remembered that StreamHandler does not close its stream (since it may be
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Return a logger with the specified name, creating it if necessary.
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Log a message with severity 'ERROR' on the root logger,
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Disable all logging calls of severity 'level' and below.
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Perform any cleanup actions in the logging system (e.g. flushing
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Should be called at application exit.
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This handler does nothing. It's intended to be used to avoid the
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produced; to avoid this, the library developer simply needs to instantiate
a NullHandler and add it to the top-level logger of the library module or
package.
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Implementation of showwarnings which redirects to logging, which will first
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If capture is true, redirect all warnings to the logging package.
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