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formatter.pyo
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� z fc @ s� d Z d d l Z d Z d d d � � YZ d d d � � YZ d d d � � YZ d e f d � � YZ d e f d � � YZ d d � Z e d k r� e � n d S( s Generic output formatting. Formatter objects transform an abstract flow of formatting events into specific output events on writer objects. Formatters manage several stack structures to allow various properties of a writer object to be changed and restored; writers need not be able to handle relative changes nor any sort of ``change back'' operation. Specific writer properties which may be controlled via formatter objects are horizontal alignment, font, and left margin indentations. A mechanism is provided which supports providing arbitrary, non-exclusive style settings to a writer as well. Additional interfaces facilitate formatting events which are not reversible, such as paragraph separation. Writer objects encapsulate device interfaces. Abstract devices, such as file formats, are supported as well as physical devices. The provided implementations all work with abstract devices. The interface makes available mechanisms for setting the properties which formatter objects manage and inserting data into the output. i����Nt NullFormatterc B s� e Z d Z d d � Z d � Z d � Z d � Z d d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d d � Z d d � Z RS( s= A formatter which does nothing. If the writer parameter is omitted, a NullWriter instance is created. No methods of the writer are called by NullFormatter instances. Implementations should inherit from this class if implementing a writer interface but don't need to inherit any implementation. c C s% | d k r t � } n | | _ d S( N( t Nonet NullWritert writer( t selfR ( ( s! /usr/lib64/python2.7/formatter.pyt __init__& s c C s d S( N( ( R t blankline( ( s! /usr/lib64/python2.7/formatter.pyt end_paragraph* t c C s d S( N( ( R ( ( s! /usr/lib64/python2.7/formatter.pyt add_line_break+ R c O s d S( N( ( R t argst kw( ( s! /usr/lib64/python2.7/formatter.pyt add_hor_rule, R c C s d S( N( ( R t formatt counterR ( ( s! /usr/lib64/python2.7/formatter.pyt add_label_data- R c C s d S( N( ( R t data( ( s! /usr/lib64/python2.7/formatter.pyt add_flowing_data. R c C s d S( N( ( R R ( ( s! /usr/lib64/python2.7/formatter.pyt add_literal_data/ R c C s d S( N( ( R ( ( s! /usr/lib64/python2.7/formatter.pyt flush_softspace0 R c C s d S( N( ( R t align( ( s! /usr/lib64/python2.7/formatter.pyt push_alignment1 R c C s d S( N( ( R ( ( s! /usr/lib64/python2.7/formatter.pyt pop_alignment2 R c C s d S( N( ( R t x( ( s! /usr/lib64/python2.7/formatter.pyt push_font3 R c C s d S( N( ( R ( ( s! /usr/lib64/python2.7/formatter.pyt pop_font4 R c C s d S( N( ( R t margin( ( s! /usr/lib64/python2.7/formatter.pyt push_margin5 R c C s d S( N( ( R ( ( s! /usr/lib64/python2.7/formatter.pyt pop_margin6 R c C s d S( N( ( R t spacing( ( s! /usr/lib64/python2.7/formatter.pyt set_spacing7 R c G s d S( N( ( R t styles( ( s! /usr/lib64/python2.7/formatter.pyt push_style8 R i c C s d S( N( ( R t n( ( s! /usr/lib64/python2.7/formatter.pyt pop_style9 R c C s d S( N( ( R t flag( ( s! /usr/lib64/python2.7/formatter.pyt assert_line_data: R N( t __name__t __module__t __doc__R R R R R R R R R R R R R R R R R R" R$ ( ( ( s! /usr/lib64/python2.7/formatter.pyR s& t AbstractFormatterc B s� e Z d Z d � Z d � Z d � Z d � Z d d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d d � Z d d � Z RS( s� The standard formatter. This implementation has demonstrated wide applicability to many writers, and may be used directly in most circumstances. It has been used to implement a full-featured World Wide Web browser. c C sy | | _ d | _ g | _ g | _ g | _ d | _ g | _ d | _ d | _ d | _ d | _ d | _ d | _ d S( Ni i ( R R R t align_stackt font_stackt margin_stackR t style_stackt nospacet softspacet para_endt parskipt hard_breakt have_label( R R ( ( s! /usr/lib64/python2.7/formatter.pyR K s c C s� | j s" | j j � d | _ n | j | k rg | j rg | j j | | j � | | _ d | _ n d | _ | _ | _ d | _ d S( Ni i ( R1 R t send_line_breakR2 R0 t send_paragraphR- R/ R. ( R R ( ( s! /usr/lib64/python2.7/formatter.pyR Z s c C sO | j p | j s2 | j j � d | _ | _ n d | _ | _ d | _ d S( Ni i ( R1 R/ R R3 R2 R0 R- R. ( R ( ( s! /usr/lib64/python2.7/formatter.pyR e s c O s^ | j s | j j � n | j j | | � d | _ | _ d | _ | _ | _ | _ d S( Ni i ( R1 R R3 t send_hor_ruleR- R2 R/ R. R0 ( R R R ( ( s! /usr/lib64/python2.7/formatter.pyR l s c C s� | j s | j r# | j j � n | j sK | j j | rA d pD d � n t | t � ry | j j | j | | � � n | j j | � d | _ | _ | _ | _ d | _ | _ d S( Ni i ( R2 R1 R R3 R/ R4 t isinstancet strt send_label_datat format_counterR- R. R0 ( R R R R ( ( s! /usr/lib64/python2.7/formatter.pyR s s c C s� d } x� | D]� } | d k r0 | d | } q | d k rd | d k r� | | j | | � } q� q | d k r� | d k r� | | j | | � } q� q | | } q W| S( NR t 1s %dt aAi t iI( t format_lettert format_roman( R R R t labelt c( ( s! /usr/lib64/python2.7/formatter.pyR9 s c C sV d } xI | d k rQ t | d d � \ } } t t | � | � } | | } q W| S( NR i i i ( t divmodt chrt ord( R t caseR R? R t s( ( s! /usr/lib64/python2.7/formatter.pyR= � s c C s d d d d g } d d d g } d \ } } x� | d k r� t | d � \ } } | d k rz | | | | d | } nj | d k r� | | | | | } nE | d k r� | | } | d } n d } | | | | } | | } | d } q0 W| d k r| j � S| S( Nt iR R@ t mt vt lt dR i i i i i i t I( R i ( RA t upper( R RD R t onest fivesR? t indexR RE ( ( s! /usr/lib64/python2.7/formatter.pyR> � s& c C s� | s d S| d j � } | d j � } d j | j � � } | j rS | rS d S| sb | j r� | s� | j s� d | _ d | _ n d S| j s� d | } q� n d | _ | _ | _ | _ | _ | | _ | j j | � d S( Ni i����t i ( t isspacet joint splitR- R. R0 R1 R/ R2 R t send_flowing_data( R R t prespacet postspace( ( s! /usr/lib64/python2.7/formatter.pyR � s$ % c C sr | s d S| j r& | j j d � n | d d k | _ d | _ | _ | _ | _ | _ | j j | � d S( NRP i����s i ( R. R RT R1 R- R/ R0 R2 t send_literal_data( R R ( ( s! /usr/lib64/python2.7/formatter.pyR � s %c C sN | j rJ d | _ | _ | _ | _ | _ d | _ | j j d � n d S( Ni i RP ( R. R1 R/ R0 R2 R- R RT ( R ( ( s! /usr/lib64/python2.7/formatter.pyR � s % c C sX | rA | | j k rA | j j | � | | _ | j j | � n | j j | j � d S( N( R R t new_alignmentR) t append( R R ( ( s! /usr/lib64/python2.7/formatter.pyR � s c C sc | j r | j d =n | j rF | j d | _ } | j j | � n d | _ | j j d � d S( Ni����( R) R R RX R ( R R ( ( s! /usr/lib64/python2.7/formatter.pyR � s c C s� | \ } } } } | j rN d | _ | _ | _ d | _ | j j d � n | j r� | j d \ } } } } | t k r� | } n | t k r� | } n | t k r� | } n | t k r� | } q� n | | | | f } | j j | � | j j | � d S( Ni i RP i����( R. R1 R/ R- R RT R* t AS_ISRY t new_font( R t fontt sizeRF t bt ttt csizet cit cbt ctt( ( s! /usr/lib64/python2.7/formatter.pyR � s$ c C sI | j r | j d =n | j r/ | j d } n d } | j j | � d S( Ni����( R* R R R[ ( R R\ ( ( s! /usr/lib64/python2.7/formatter.pyR � s c C sY | j j | � t d | j � } | r< | r< | d } n | j j | t | � � d S( Ni����( R+ RY t filterR R t new_margint len( R R t fstack( ( s! /usr/lib64/python2.7/formatter.pyR s c C s^ | j r | j d =n t d | j � } | r; | d } n d } | j j | t | � � d S( Ni����( R+ Rd R R Re Rf ( R Rg R ( ( s! /usr/lib64/python2.7/formatter.pyR s c C s | | _ | j j | � d S( N( R R t new_spacing( R R ( ( s! /usr/lib64/python2.7/formatter.pyR s c G sz | j r< d | _ | _ | _ d | _ | j j d � n x | D] } | j j | � qC W| j j t | j � � d S( Ni i RP ( R. R1 R/ R- R RT R, RY t new_stylest tuple( R R t style( ( s! /usr/lib64/python2.7/formatter.pyR s i c C s( | j | 3| j j t | j � � d S( N( R, R Ri Rj ( R R! ( ( s! /usr/lib64/python2.7/formatter.pyR" s c C s, | | _ | _ d | _ | _ | _ d S( Ni ( R- R1 R/ R0 R2 ( R R# ( ( s! /usr/lib64/python2.7/formatter.pyR$ " s N( R% R& R' R R R R R R R9 R= R> R R R R R R R R R R R R" R$ ( ( ( s! /usr/lib64/python2.7/formatter.pyR( = s, R c B s� e Z d Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s Minimal writer interface to use in testing & inheritance. A writer which only provides the interface definition; no actions are taken on any methods. This should be the base class for all writers which do not need to inherit any implementation methods. c C s d S( N( ( R ( ( s! /usr/lib64/python2.7/formatter.pyR / R c C s d S( N( ( R ( ( s! /usr/lib64/python2.7/formatter.pyt flush0 R c C s d S( N( ( R R ( ( s! /usr/lib64/python2.7/formatter.pyRX 1 R c C s d S( N( ( R R\ ( ( s! /usr/lib64/python2.7/formatter.pyR[ 2 R c C s d S( N( ( R R t level( ( s! /usr/lib64/python2.7/formatter.pyRe 3 R c C s d S( N( ( R R ( ( s! /usr/lib64/python2.7/formatter.pyRh 4 R c C s d S( N( ( R R ( ( s! /usr/lib64/python2.7/formatter.pyRi 5 R c C s d S( N( ( R R ( ( s! /usr/lib64/python2.7/formatter.pyR4 6 R c C s d S( N( ( R ( ( s! /usr/lib64/python2.7/formatter.pyR3 7 R c O s d S( N( ( R R R ( ( s! /usr/lib64/python2.7/formatter.pyR5 8 R c C s d S( N( ( R R ( ( s! /usr/lib64/python2.7/formatter.pyR8 9 R c C s d S( N( ( R R ( ( s! /usr/lib64/python2.7/formatter.pyRT : R c C s d S( N( ( R R ( ( s! /usr/lib64/python2.7/formatter.pyRW ; R ( R% R& R' R Rl RX R[ Re Rh Ri R4 R3 R5 R8 RT RW ( ( ( s! /usr/lib64/python2.7/formatter.pyR ' s t AbstractWriterc B sq e Z d Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s� A writer which can be used in debugging formatters, but not much else. Each method simply announces itself by printing its name and arguments on standard output. c C s d | f GHd S( Ns new_alignment(%r)( ( R R ( ( s! /usr/lib64/python2.7/formatter.pyRX F s c C s d | f GHd S( Ns new_font(%r)( ( R R\ ( ( s! /usr/lib64/python2.7/formatter.pyR[ I s c C s d | | f GHd S( Ns new_margin(%r, %d)( ( R R Rm ( ( s! /usr/lib64/python2.7/formatter.pyRe L s c C s d | f GHd S( Ns new_spacing(%r)( ( R R ( ( s! /usr/lib64/python2.7/formatter.pyRh O s c C s d | f GHd S( Ns new_styles(%r)( ( R R ( ( s! /usr/lib64/python2.7/formatter.pyRi R s c C s d | f GHd S( Ns send_paragraph(%r)( ( R R ( ( s! /usr/lib64/python2.7/formatter.pyR4 U s c C s d GHd S( Ns send_line_break()( ( R ( ( s! /usr/lib64/python2.7/formatter.pyR3 X s c O s d GHd S( Ns send_hor_rule()( ( R R R ( ( s! /usr/lib64/python2.7/formatter.pyR5 [ s c C s d | f GHd S( Ns send_label_data(%r)( ( R R ( ( s! /usr/lib64/python2.7/formatter.pyR8 ^ s c C s d | f GHd S( Ns send_flowing_data(%r)( ( R R ( ( s! /usr/lib64/python2.7/formatter.pyRT a s c C s d | f GHd S( Ns send_literal_data(%r)( ( R R ( ( s! /usr/lib64/python2.7/formatter.pyRW d s ( R% R& R' RX R[ Re Rh Ri R4 R3 R5 R8 RT RW ( ( ( s! /usr/lib64/python2.7/formatter.pyRn > s t DumbWriterc B sS e Z d Z d d d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s; Simple writer class which writes output on the file object passed in as the file parameter or, if file is omitted, on standard output. The output is simply word-wrapped to the number of columns specified by the maxcol parameter. This class is suitable for reflowing a sequence of paragraphs. iH c C s6 | p t j | _ | | _ t j | � | j � d S( N( t syst stdoutt filet maxcolR R t reset( R Rr Rs ( ( s! /usr/lib64/python2.7/formatter.pyR q s c C s d | _ d | _ d S( Ni ( t colt atbreak( R ( ( s! /usr/lib64/python2.7/formatter.pyRt w s c C s* | j j d | � d | _ d | _ d S( Ns i ( Rr t writeRu Rv ( R R ( ( s! /usr/lib64/python2.7/formatter.pyR4 { s c C s& | j j d � d | _ d | _ d S( Ns i ( Rr Rw Ru Rv ( R ( ( s! /usr/lib64/python2.7/formatter.pyR3 � s c O sM | j j d � | j j d | j � | j j d � d | _ d | _ d S( Ns t -i ( Rr Rw Rs Ru Rv ( R R R ( ( s! /usr/lib64/python2.7/formatter.pyR5 � s c C st | j j | � | j d � } | d k rE d | _ | | d } n | j � } | j t | � | _ d | _ d S( Ns i i ( Rr Rw t rfindRu t expandtabsRf Rv ( R R RF ( ( s! /usr/lib64/python2.7/formatter.pyRW � s c C s� | s d S| j p | d j � } | j } | j } | j j } xz | j � D]l } | r� | t | � | k r� | d � d } q� | d � | d } n | | � | t | � } d } qN W| | _ | d j � | _ d S( Ni s RP i i����( Rv RQ Ru Rs Rr Rw RS Rf ( R R Rv Ru Rs Rw t word( ( s! /usr/lib64/python2.7/formatter.pyRT � s$ N( R% R& R' R R Rt R4 R3 R5 RW RT ( ( ( s! /usr/lib64/python2.7/formatter.pyRo h s c C s� t � } t | � } | d k r0 t | � } n, t j d rS t t j d � } n t j } x7 | D]/ } | d k r� | j d � qc | j | � qc W| j d � d S( Ni s i ( Ro R( R t openRp t argvt stdinR R ( Rr t wt ft fpt line( ( s! /usr/lib64/python2.7/formatter.pyt test� s t __main__( ( ( ( R' Rp R RZ R R( R Rn Ro R� R% ( ( ( s! /usr/lib64/python2.7/formatter.pyt <module> s "�*C
