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Configuration functions for the logging package for Python. The core package
is based on PEP 282 and comments thereto in comp.lang.python, and influenced
by Apache's log4j system.
Copyright (C) 2001-2014 Vinay Sajip. All Rights Reserved.
To use, simply 'import logging' and log away!
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Read the logging configuration from a ConfigParser-format file.
This can be called several times from an application, allowing an end user
the ability to select from various pre-canned configurations (if the
developer provides a mechanism to present the choices and load the chosen
configuration).
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s ^[a-z_][a-z0-9_]*$c C s, t j | � } | s( t d | � � n t S( Ns! Not a valid Python identifier: %r( t
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ValueErrort True( R, t m( ( s$ /usr/lib/python2.7/logging/config.pyt valid_ident s t ConvertingMixinc B s# e Z d Z e d � Z d � Z RS( s? For ConvertingXXX's, this mixin class provides common functionsc C sh | j j | � } | | k rd | r1 | | | <n t | � t t t f k rd | | _ | | _ qd n | S( N( t configuratort convertt typet ConvertingDictt ConvertingListt ConvertingTuplet parentt key( t selfR t valuet replacet result( ( s$ /usr/lib/python2.7/logging/config.pyt convert_with_key s
c C sL | j j | � } | | k rH t | � t t t f k rH | | _ qH n | S( N( Rx Ry Rz R{ R| R} R~ ( R� R� R� ( ( s$ /usr/lib/python2.7/logging/config.pyRy , s ( t __name__t
__module__t __doc__Rt R� Ry ( ( ( s$ /usr/lib/python2.7/logging/config.pyRw s R{ c B s/ e Z d Z d � Z d d � Z d d � Z RS( s A converting dictionary wrapper.c C s" t j | | � } | j | | � S( N( t dictt __getitem__R� ( R� R R� ( ( s$ /usr/lib/python2.7/logging/config.pyR� A s c C s% t j | | | � } | j | | � S( N( R� R3 R� ( R� R t defaultR� ( ( s$ /usr/lib/python2.7/logging/config.pyR3 E s c C s+ t j | | | � } | j | | d t �S( NR� ( R� R R� t False( R� R R� R� ( ( s$ /usr/lib/python2.7/logging/config.pyR I s N( R� R� R� R� R6 R3 R ( ( ( s$ /usr/lib/python2.7/logging/config.pyR{ > s R| c B s# e Z d Z d � Z d d � Z RS( s A converting list wrapper.c C s" t j | | � } | j | | � S( N( R[ R� R� ( R� R R� ( ( s$ /usr/lib/python2.7/logging/config.pyR� O s i����c C s t j | | � } | j | � S( N( R[ R Ry ( R� t idxR� ( ( s$ /usr/lib/python2.7/logging/config.pyR S s ( R� R� R� R� R ( ( ( s$ /usr/lib/python2.7/logging/config.pyR| M s R} c B s e Z d Z d � Z RS( s A converting tuple wrapper.c C s( t j | | � } | j | | d t �S( NR� ( t tupleR� R� R� ( R� R R� ( ( s$ /usr/lib/python2.7/logging/config.pyR� Y s ( R� R� R� R� ( ( ( s$ /usr/lib/python2.7/logging/config.pyR} W s t BaseConfiguratorc B s� e Z d Z e j d � Z e j d � Z e j d � Z e j d � Z e j d � Z i d d 6d d 6Z
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The configurator base class which defines some useful defaults.
s% ^(?P<prefix>[a-z]+)://(?P<suffix>.*)$s ^\s*(\w+)\s*s ^\.\s*(\w+)\s*s ^\[\s*(\w+)\s*\]\s*s ^\d+$t ext_convertt extt cfg_convertt cfgc C s@ t | � | _ | | j _ t t � t j k r< t | _ n d S( N( R{ t configRx Rz R t typest FunctionTypet importer( R� R� ( ( s$ /usr/lib/python2.7/logging/config.pyt __init__r s c C s� | j d � } | j d � } yy | j | � } x_ | D]W } | d | 7} y t | | � } Wq7 t k
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Resolve strings to objects using standard import and attribute
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r| | } qXn | r1| | j � } qa t d | | f � � qa W| S( s* Default converter for the cfg:// protocol.s Unable to convert %ri s Unable to convert %r at %rN( t WORD_PATTERNRr R6 Rs t endR� t groupst DOT_PATTERNt
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Convert values to an appropriate type. dicts, lists and tuples are
replaced by their converting alternatives. Strings are checked to
see if they have a conversion format and are converted if they do.
t prefixt suffixN( R) R{ R� Rx R| R[ R} R� t
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c C s� | j d � } t | d � rU t t d � rU t | � t j k rU | j | � } n | j d d � } t g | D]" } t | � rq | | | f ^ qq � } | | � } | r� x- | j � D] \ } } t
| | | � q� Wn | S( s1 Configure an object with a user-supplied factory.s ()t __call__t ClassTypeR N( R R R� Rz R� R� R6 R� Rv t itemst setattr( R� R� R> t propst kt kwargsR� R R� ( ( s$ /usr/lib/python2.7/logging/config.pyt configure_custom� s 45 c C s" t | t � r t | � } n | S( s0 Utility function which converts lists to tuples.( R) R[ R� ( R� R� ( ( s$ /usr/lib/python2.7/logging/config.pyt as_tuple� s ( R� R� R� t ret compileR� R� R� R� R� R� R R� R� R� R� R� Ry R� R� ( ( ( s$ /usr/lib/python2.7/logging/config.pyR� ^ s"
" t DictConfiguratorc B sh e Z d Z d � Z d � Z d � Z d � Z d � Z d � Z e d � Z
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Configure logging using a dictionary-like object to describe the
configuration.
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r�} t d | | f � � q�Xq�W| j d | � } g } x� t | � D]~ } y* | j | | � } | | _ | | | <Wqt k
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D]� } t | � } | | k r�| j | � } | d } t | � } t | � } | d } x? | | k r�| | | | k r�| j | | � | d } q�W| j | � n y | j | |
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| � � q�Xn Wd t j& � Xd S( s Do the configuration.t versions$ dictionary doesn't specify a versioni s Unsupported version: %st incrementalR s No handler found with name %rRC s" Unable to configure handler %r: %sRV s! Unable to configure logger %r: %sRW s# Unable to configure root logger: %sR R s$ Unable to configure formatter %r: %st filterss! Unable to configure filter %r: %ss target not configured yetR N(' R� Rs R R� R R R3 R
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StandardErrort configure_loggerRt t configure_rootR R t configure_formattert configure_filtert sortedt configure_handlerR R* RM RW R_ R` R. Ra R- Rd R4 R\ Rf RC R RZ Re R ( R� R� R� t
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c C s� d | k r� | d } y | j | � } Wq� t k
r� } d t | � k rS � n | j d � | d <| | d <| j | � } q� Xn6 | j d d � } | j d d � } t j | | � } | S( s( Configure a formatter from a dictionary.s ()s 'format'R0 RS R1 N( R� R� R* R R3 R6 R R7 ( R� R� t factoryR� t teRS t dfmt( ( s$ /usr/lib/python2.7/logging/config.pyR� � s
c C sC d | k r | j | � } n! | j d d � } t j | � } | S( s% Configure a filter from a dictionary.s ()R R% ( R� R3 R t Filter( R� R� R� R ( ( s$ /usr/lib/python2.7/logging/config.pyR� � s
c C s] xV | D]N } y | j | j d | � Wq t k
rT } t d | | f � � q Xq Wd S( s/ Add filters to a filterer from a list of names.R� s Unable to add filter %r: %sN( t addFilterR� R� Rs ( R� t filtererR� R@ R� ( ( s$ /usr/lib/python2.7/logging/config.pyt add_filters� s
c C s | j d d � } | r\ y | j d | } Wq\ t k
rX } t d | | f � � q\ Xn | j d d � } | j d d � } d | k r� | j d � } t | d � r� t t d � r� t | � t j k r� | j | � } n | } n<| j d � } | j | � } t
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rT } t d | | f � � q Xq Wd S( s. Add handlers to a logger from a list of names.R s Unable to add handler %r: %sN( R^ R� R� Rs ( R� Rl R RT R� ( ( s$ /usr/lib/python2.7/logging/config.pyt add_handlers� s
c C s� | j d d � } | d k r7 | j t j | � � n | s� x | j D] } | j | � qH W| j d d � } | r� | j | | � n | j d d � } | r� | j | | � q� n d S( sU
Perform configuration which is common to root and non-root loggers.
RC R R� N( R3 R6 RH R R� R R] R� R� ( R� Rl R� R� RC RT R R� ( ( s$ /usr/lib/python2.7/logging/config.pyt common_logger_config� s c C sP t j | � } | j | | | � | j d d � } | d k rL | | _ n d S( s. Configure a non-root logger from a dictionary.RZ N( R Rc R� R3 R6 RZ ( R� R R� R� Rl RZ ( ( s$ /usr/lib/python2.7/logging/config.pyR� s
c C s# t j � } | j | | | � d S( s* Configure a root logger from a dictionary.N( R Rc R� ( R� R� R� RW ( ( s$ /usr/lib/python2.7/logging/config.pyR� s (
R� R� R� R� R� R� R� R� R� R� R� R� R� ( ( ( s$ /usr/lib/python2.7/logging/config.pyR� � s � : c C s t | � j � d S( s% Configure logging using a dictionary.N( t dictConfigClassR� ( R� ( ( s$ /usr/lib/python2.7/logging/config.pyt
dictConfig s c sp t s t d � � n d t f d � � Y} d t f d � � Y} d t j f � f d � � Y� � | | | � S( sW
Start up a socket server on the specified port, and listen for new
configurations.
These will be sent as a file suitable for processing by fileConfig().
Returns a Thread object on which you can call start() to start the server,
and which you can join() when appropriate. To stop the server, call
stopListening().
s listen() needs threading to workt ConfigStreamHandlerc B s e Z d Z d � Z RS( s�
Handler for a logging configuration request.
It expects a completely new logging configuration and uses fileConfig
to install it.
c S s~ d d l } y@| j } | j d � } t | � d k rKt j d | � d } | j j | � } x3 t | � | k r� | | j | t | � � } qd Wy> d d l } | j | � } t | t � s� t
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Handle a request.
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struct.pack(">L", n), followed by the config file.
Uses fileConfig() to do the grunt work.
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connectiont recvR4 t structt unpackt jsont loadsR) R� t AssertionErrorR� t cStringIOt StringIOR t KeyboardInterruptt
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A simple TCP socket-based logging config receiver.
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