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pyparsing module - Classes and methods to define and execute parsing grammars
The pyparsing module is an alternative approach to creating and executing simple grammars,
vs. the traditional lex/yacc approach, or the use of regular expressions. With pyparsing, you
don't need to learn a new syntax for defining grammars or matching expressions - the parsing module
provides a library of classes that you use to construct the grammar directly in Python.
Here is a program to parse "Hello, World!" (or any greeting of the form C{"<salutation>, <addressee>!"})::
from pyparsing import Word, alphas
# define grammar of a greeting
greet = Word( alphas ) + "," + Word( alphas ) + "!"
hello = "Hello, World!"
print hello, "->", greet.parseString( hello )
The program outputs the following::
Hello, World! -> ['Hello', ',', 'World', '!']
The Python representation of the grammar is quite readable, owing to the self-explanatory
class names, and the use of '+', '|' and '^' operators.
The parsed results returned from C{parseString()} can be accessed as a nested list, a dictionary, or an
object with named attributes.
The pyparsing module handles some of the problems that are typically vexing when writing text parsers:
- extra or missing whitespace (the above program will also handle "Hello,World!", "Hello , World !", etc.)
- quoted strings
- embedded comments
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c C s� | j r | j S| j r? | j � } | r8 | j | � Sd Sn] t | � d k r� t | j � d k r� | j j � d d d d k r� | j j � d Sd Sd S( s3 Returns the results name for this token expression.i i i����N( i i����( R� R� t _ParseResults__lookupR� R� R� R� R� ( R� t par( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt getName/ s
!i c C s� g } | j | t | j � � � | j � } | j � x� | D]� \ } } | rb | j d � n | j d | d | | f � t | t � r� | j � r� | j | j | | d � � q� | j t | � � q@ | j t | � � q@ Wd j | � S( s� Diagnostic method for listing out the contents of a C{ParseResults}.
Accepts an optional C{indent} argument so that this string can be embedded
in a nested display of other data.s
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%s%s- %s: s i R (
R� Ro R� R� t sortRj R R� t dumpR� ( R� R� t depthR� R� R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR @ s
c C sC | j | j j � | j d k r- | j � p0 d | j | j f f S( N( R� R� R� R� R� R� R� ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt __getstate__V s
c C sm | d | _ | d \ | _ } } | _ i | _ | j j | � | d k r` t | � | _ n d | _ d S( Ni i ( R� R� R� R� R� R� R� R� ( R� t stateR t inAccumNames( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt __setstate__] s
c C s t t t | � � | j � S( N( t dirR� R R� ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� j s N() R| R} R� R� R� R� Rj R� R� R� R� R� R� R� t __nonzero__R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R R R R R R� ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR
sF !
<
c C s? | t | � k r( | | d k r( d p> | | j d d | � S( s Returns current column within a string, counting newlines as line separators.
The first column is number 1.
Note: the default parsing behavior is to expand tabs in the input string
before starting the parsing process. See L{I{ParserElement.parseString}<ParserElement.parseString>} for more information
on parsing strings containing <TAB>s, and suggested methods to maintain a
consistent view of the parsed string, the parse location, and line and column
positions within the parsed string.
s
i i ( R� t rfind( R� t strg( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR5 m s
c C s | j d d | � d S( s Returns current line number within a string, counting newlines as line separators.
The first line is number 1.
Note: the default parsing behavior is to expand tabs in the input string
before starting the parsing process. See L{I{ParserElement.parseString}<ParserElement.parseString>} for more information
on parsing strings containing <TAB>s, and suggested methods to maintain a
consistent view of the parsed string, the parse location, and line and column
positions within the parsed string.
s
i i ( t count( R� R
( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRH y s
c C sR | j d d | � } | j d | � } | d k rB | | d | !S| | d Sd S( sf Returns the line of text containing loc within a string, counting newlines as line separators.
s
i i N( R t find( R� R
t lastCRt nextCR( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRE � s
c C sA d t | � d t | � d t | | � t | | � f GHd S( Ns Match s at loc s (%d,%d)( Ro RH R5 ( t instringR� t expr( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt _defaultStartDebugAction� s c C s' d t | � d t | j � � GHd S( Ns Matched s -> ( Ro Rl R� ( R t startloct endlocR t toks( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt _defaultSuccessDebugAction� s c C s d t | � GHd S( Ns Exception raised:( Ro ( R R� R t exc( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt _defaultExceptionDebugAction� s c G s d S( sG 'Do-nothing' debug action, to suppress debugging output during parsing.N( ( t args( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRO � s c s" d g � � � � f d � } | S( Ni c s] xV y � | � d � SWq t k
rU � d � k rO � d c d 7<q n � q Xq d S( Ni i ( R� ( R ( t funct limitt maxargs( s- /usr/lib/python2.7/site-packages/pyparsing.pyt wrapper� s
( ( R R R ( ( R R R s- /usr/lib/python2.7/site-packages/pyparsing.pyt _trim_arity� s c s | } � f d � } | S( Nc sI xB y � | | � SWq t k
rA | r; | d 8} q n � q Xq d S( Ni ( R� ( R R ( R ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR � s
( ( R R R R ( ( R s- /usr/lib/python2.7/site-packages/pyparsing.pyR � s
c B su e Z d Z d Z e Z d � Z e e � Z e d � Z d � Z d � Z
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� Z d � Z e e d � Z d � Z e e d � Z e Z i Z d � Z e e � Z e Z d � Z e e � Z e d � Z e e d � Z d � Z e 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& � Z0 d' � Z1 d( � Z2 d) � Z3 d* � Z4 d+ � Z5 e d, � Z6 d- � Z7 d. � Z8 d/ � Z9 d0 � Z: g d1 � Z; e d2 � Z< d3 � Z= d4 � Z> d5 � Z? d6 � Z@ d7 � ZA d8 � ZB d9 � ZC RS(: s) Abstract base level parser element class.s
c C s
| t _ d S( s/ Overrides the default whitespace chars
N( R t DEFAULT_WHITE_CHARS( t chars( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt setDefaultWhitespaceChars� s c C s� t � | _ d | _ d | _ d | _ | | _ t | _ t j
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saveAsListR� t skipWhitespaceR R! t
whiteCharst copyDefaultWhiteCharsR� t mayReturnEmptyt keepTabst ignoreExprst debugt streamlinedt
mayIndexErrort errmsgt modalResultst debugActionst ret callPreparset
callDuringTry( R� t savelist( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s( c C sE t j | � } | j | _ | j | _ | j rA t j | _ n | S( s� Make a copy of this C{ParserElement}. Useful for defining different parse actions
for the same parsing pattern, using copies of the original parse element.( R� R$ R. R+ R R! R* ( R� t cpy( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s
c C s> | | _ d | j | _ t | d � r: | j | j _ n | S( s6 Define name for this expression, for use in debugging.s Expected t exception( R� R2 t hasattrR: R� ( R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt setName� s
c C sE | j � } | j d � r. | d } t } n | | _ | | _ | S( s% Define name for referencing matching tokens as a nested attribute
of the returned parse results.
NOTE: this returns a *copy* of the original C{ParserElement} object;
this is so that the client can define a basic element, such as an
integer, and reference it in multiple places with different names.
You can also set results names using the abbreviated syntax,
C{expr("name")} in place of C{expr.setResultsName("name")} -
see L{I{__call__}<__call__>}.
t *i����( R� t endswithR� R' R3 ( R� R� t listAllMatchest newself( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt setResultsName� s
c sa | r9 | j � t t � f d � } � | _ | | _ n$ t | j d � r] | j j | _ n | S( s� Method to invoke the Python pdb debugger when this element is
about to be parsed. Set C{breakFlag} to True to enable, False to
disable.
c s) d d l } | j � � | | | | � S( Ni����( t pdbt set_trace( R R� t doActionst callPreParseRB ( t _parseMethod( s- /usr/lib/python2.7/site-packages/pyparsing.pyt breaker s
t _originalParseMethod( t _parseR� RH R; ( R� t breakFlagRG ( ( RF s- /usr/lib/python2.7/site-packages/pyparsing.pyt setBreak s c O s; t t t t | � � � | _ d | k o1 | d | _ | S( sV Define action to perform when successfully matching parse element definition.
Parse action fn is a callable method with 0-3 arguments, called as C{fn(s,loc,toks)},
C{fn(loc,toks)}, C{fn(toks)}, or just C{fn()}, where:
- s = the original string being parsed (see note below)
- loc = the location of the matching substring
- toks = a list of the matched tokens, packaged as a ParseResults object
If the functions in fns modify the tokens, they can return them as the return
value from fn, and the modified list of tokens will replace the original.
Otherwise, fn does not need to return any value.
Note: the default parsing behavior is to expand tabs in the input string
before starting the parsing process. See L{I{parseString}<parseString>} for more information
on parsing strings containing <TAB>s, and suggested methods to maintain a
consistent view of the parsed string, the parse location, and line and column
positions within the parsed string.
R7 ( R� t mapR R$ R7 ( R� t fnst kwargs( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt setParseAction s c O sJ | j t t t t | � � � 7_ | j p@ d | k o@ | d | _ | S( sa Add parse action to expression's list of parse actions. See L{I{setParseAction}<setParseAction>}.R7 ( R$ R� RL R R7 ( R� RM RN ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt addParseAction' s $"c C s
| | _ | S( s Define action to perform if parsing fails at this expression.
Fail acton fn is a callable function that takes the arguments
C{fn(s,loc,expr,err)} where:
- s = string being parsed
- loc = location where expression match was attempted and failed
- expr = the parse expression that failed
- err = the exception thrown
The function returns no value. It may throw C{ParseFatalException}
if it is desired to stop parsing immediately.( R% ( R� t fn( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt
setFailAction- s
c C sm t } x` | rh t } xM | j D]B } y( x! | j | | � \ } } t } q+ Wq t k
r` q Xq Wq W| S( N( R� R� R. RI R ( R� R R� t
exprsFoundt et dummy( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt _skipIgnorables: s
c C sp | j r | j | | � } n | j rl | j } t | � } x- | | k rh | | | k rh | d 7} q? Wn | S( Ni ( R. RV R) R* R� ( R� R R� t wtt instrlen( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt preParseG s c C s
| g f S( N( ( R� R R� RD ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt parseImplS s c C s | S( N( ( R� R R� t tokenlist( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt postParseV s c C s� | j } | s | j r_| j d r? | j d | | | � n | rc | j rc | j | | � } n | } | } yU y | j | | | � \ } } Wn/ t k
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f S( Ni i i R� R� ( R/ R% R4 R6 RY RZ R� R R� R2 R R� t syst exc_infoR1 R\ R R' R( R3 R$ R7 Rj R� ( R� R R� RD RE t debuggingt preloct tokensStartt tokenst errt retTokensRQ ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt
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rI t | | | j | � � n Xd S( NRD i ( RI R� R R R2 ( R� R R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt tryParse� s
c C s� | | | | | f } | t j k ra t j | } t | t � rI | � n | d | d j � f SyA | j | | | | � } | d | d j � f t j | <| SWn1 t k
r� t j � d } | t j | <� n Xd S( Ni i ( R t
_exprArgCacheRj t ExceptionR� Re R R] R^ ( R� R R� RD RE t lookupR� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt _parseCache� s
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c C s t j j � d S( N( R Rg t clear( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt
resetCache� s c C s% t j s! t t _ t j t _ n d S( s� Enables "packrat" parsing, which adds memoizing to the parsing logic.
Repeated parse attempts at the same string location (which happens
often in many complex grammars) can immediately return a cached value,
instead of re-executing parsing/validating code. Memoizing is done of
both valid results and parsing exceptions.
This speedup may break existing programs that use parse actions that
have side-effects. For this reason, packrat parsing is disabled when
you first import pyparsing. To activate the packrat feature, your
program must call the class method C{ParserElement.enablePackrat()}. If
your program uses C{psyco} to "compile as you go", you must call
C{enablePackrat} before calling C{psyco.full()}. If you do not do this,
Python will crash. For best results, call C{enablePackrat()} immediately
after importing pyparsing.
N( R t _packratEnabledR� Rj RI ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt
enablePackrat� s c C s� t j � | j s | j � n x | j D] } | j � q* W| j sV | j � } n yW | j | d � \ } } | r� | j | | � } t � t
� } | j | | � n Wn6 t k
r� t j r� � q� t
j � d } | � n X| Sd S( s� Execute the parse expression with the given string.
This is the main interface to the client code, once the complete
expression has been built.
If you want the grammar to require that the entire input string be
successfully parsed, then set C{parseAll} to True (equivalent to ending
the grammar with C{StringEnd()}).
Note: C{parseString} implicitly calls C{expandtabs()} on the input string,
in order to report proper column numbers in parse actions.
If the input string contains tabs and
the grammar uses parse actions that use the C{loc} argument to index into the
string being parsed, you can ensure you have a consistent view of the input
string by:
- calling C{parseWithTabs} on your grammar before calling C{parseString}
(see L{I{parseWithTabs}<parseWithTabs>})
- define your parse action using the full C{(s,loc,toks)} signature, and
reference the input string using the parse action's C{s} argument
- explictly expand the tabs in your input string before calling
C{parseString}
i i N( R Rl R0 t
streamlineR. R- t
expandtabsRI RY R R$ R t verbose_stacktraceR] R^ ( R� R t parseAllRT R� Rb t seR ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt parseString� s&
c c s� | j s | j � n x | j D] } | j � q W| j sR t | � j � } n t | � } d } | j } | j } t j
� d } y� x� | | k ra| | k ray. | | | � }
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r� |
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|
| k r>| } qQ| d 7} q^| } q� |
d } q� WWn6 t
k
r�t j r�� q�t j � d } | � n Xd S( s" Scan the input string for expression matches. Each match will return the
matching tokens, start location, and end location. May be called with optional
C{maxMatches} argument, to clip scanning after 'n' matches are found. If
C{overlap} is specified, then overlapping matches will be reported.
Note that the start and end locations are reported relative to the string
being parsed. See L{I{parseString}<parseString>} for more information on parsing
strings with embedded tabs.i RE i N( R0 Ro R. R- Ro Rp R� RY RI R Rl R� R R Rq R] R^ ( R� R t
maxMatchest overlapRT RX R� t
preparseFnt parseFnt matchesR` t nextLocRb t nextlocR ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt
scanString sD
c C s3 g } d } t | _ y� x� | j | � D]} \ } } } | j | | | !� | r� t | t � rs | | j � 7} q� t | t � r� | | 7} q� | j | � n | } q( W| j | | � g | D] } | r� | ^ q� } d j t t
t | � � � SWn6 t k
r.t
j r� q/t j � d } | � n Xd S( s� Extension to C{scanString}, to modify matching text with modified tokens that may
be returned from a parse action. To use C{transformString}, define a grammar and
attach a parse action to it that modifies the returned token list.
Invoking C{transformString()} on a target string will then scan for matches,
and replace the matched text patterns according to the logic in the parse
action. C{transformString()} returns the resulting transformed string.i R i N( R� R- R| R� Rj R R� R� R� RL Ro t _flattenR R Rq R] R^ ( R� R R� t lastEt tRg RT t oR ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt transformString? s*
c C ss y6 t g | j | | � D] \ } } } | ^ q � SWn6 t k
rn t j rU � qo t j � d } | � n Xd S( s� Another extension to C{scanString}, simplifying the access to the tokens found
to match the given parse expression. May be called with optional
C{maxMatches} argument, to clip searching after 'n' matches are found.
i N( R R| R R Rq R] R^ ( R� R Ru R Rg RT R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt searchStringa s 6
c C sa t | t � r t | � } n t | t � sQ t j d t | � t d d �d St | | g � S( s* Implementation of + operator - returns Ands4 Cannot combine element of type %s with ParserElementt
stackleveli N(
Rj R� R R t warningst warnt typet
SyntaxWarningR� R ( R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� p s
c C sY t | t � r t | � } n t | t � sQ t j d t | � t d d �d S| | S( sH Implementation of + operator when left operand is not a C{ParserElement}s4 Cannot combine element of type %s with ParserElementR� i N( Rj R� R R R� R� R� R� R� ( R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� z s
c C sj t | t � r t | � } n t | t � sQ t j d t | � t d d �d St | t j
� | g � S( s< Implementation of - operator, returns C{And} with error stops4 Cannot combine element of type %s with ParserElementR� i N( Rj R� R R R� R� R� R� R� R t
_ErrorStop( R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt __sub__� s
c C sY t | t � r t | � } n t | t � sQ t j d t | � t d d �d S| | S( sH Implementation of - operator when left operand is not a C{ParserElement}s4 Cannot combine element of type %s with ParserElementR� i N( Rj R� R R R� R� R� R� R� ( R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt __rsub__� s
c sE t | t � r | d } } n-t | t � r7| d d } | d d
k r_ d | d f } n t | d t � r� | d d
k r� | d d k r� t � � S| d d k r� t � � S� | d t � � SqLt | d t � rt | d t � r| \ } } | | 8} qLt d t | d � t | d � � � n t d t | � � � | d k rgt d � � n | d k r�t d � � n | | k o�d k n r�t d � � n | r� � f d � � | r
| d k r�� � | � } qt � g | � � | � } qA� | � } n( | d k r.� } n t � g | � } | S( s� Implementation of * operator, allows use of C{expr * 3} in place of
C{expr + expr + expr}. Expressions may also me multiplied by a 2-integer
tuple, similar to C{{min,max}} multipliers in regular expressions. Tuples
may also include C{None} as in:
- C{expr*(n,None)} or C{expr*(n,)} is equivalent
to C{expr*n + ZeroOrMore(expr)}
(read as "at least n instances of C{expr}")
- C{expr*(None,n)} is equivalent to C{expr*(0,n)}
(read as "0 to n instances of C{expr}")
- C{expr*(None,None)} is equivalent to C{ZeroOrMore(expr)}
- C{expr*(1,None)} is equivalent to C{OneOrMore(expr)}
Note that C{expr*(None,n)} does not raise an exception if
more than n exprs exist in the input stream; that is,
C{expr*(None,n)} does not enforce a maximum number of expr
occurrences. If this behavior is desired, then write
C{expr*(None,n) + ~expr}
i i i s7 cannot multiply 'ParserElement' and ('%s','%s') objectss0 cannot multiply 'ParserElement' and '%s' objectss/ cannot multiply ParserElement by negative values@ second tuple value must be greater or equal to first tuple values+ cannot multiply ParserElement by 0 or (0,0)c s2 | d k r$ t � � | d � � St � � Sd S( Ni ( R ( t n( t makeOptionalListR� ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s N( NN(
Rj R� t tupleR� R. R R� R� t
ValueErrorR ( R� R� t minElementst optElementsR� ( ( R� R� s- /usr/lib/python2.7/site-packages/pyparsing.pyt __mul__� sD #
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| j | � S( N( R� ( R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt __rmul__� s c C sa t | t � r t | � } n t | t � sQ t j d t | � t d d �d St | | g � S( s4 Implementation of | operator - returns C{MatchFirst}s4 Cannot combine element of type %s with ParserElementR� i N(
Rj R� R R R� R� R� R� R� R ( R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt __or__� s
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c C sa t | t � r t | � } n t | t � sQ t j d t | � t d d �d St | | g � S( s, Implementation of ^ operator - returns C{Or}s4 Cannot combine element of type %s with ParserElementR� i N(
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c C sY t | t � r t | � } n t | t � sQ t j d t | � t d d �d S| | AS( sH Implementation of ^ operator when left operand is not a C{ParserElement}s4 Cannot combine element of type %s with ParserElementR� i N( Rj R� R R R� R� R� R� R� ( R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt __rxor__� s
c C sa t | t � r t | � } n t | t � sQ t j d t | � t d d �d St | | g � S( s. Implementation of & operator - returns C{Each}s4 Cannot combine element of type %s with ParserElementR� i N(
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c C sY t | t � r t | � } n t | t � sQ t j d t | � t d d �d S| | @S( sH Implementation of & operator when left operand is not a C{ParserElement}s4 Cannot combine element of type %s with ParserElementR� i N( Rj R� R R R� R� R� R� R� ( R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt __rand__ s
c C s
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__invert__ s c C s
| j | � S( s� Shortcut for C{setResultsName}, with C{listAllMatches=default}::
userdata = Word(alphas).setResultsName("name") + Word(nums+"-").setResultsName("socsecno")
could be written as::
userdata = Word(alphas)("name") + Word(nums+"-")("socsecno")
If C{name} is given with a trailing C{'*'} character, then C{listAllMatches} will be
passed as C{True}.
( RA ( R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt __call__ s c C s
t | � S( s� Suppresses the output of this C{ParserElement}; useful to keep punctuation from
cluttering up returned output.
( R& ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt suppress* s c C s
t | _ | S( s Disables the skipping of whitespace before matching the characters in the
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the pyparsing module, but may be needed in some whitespace-sensitive grammars.
( R� R) ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt leaveWhitespace0 s c C s t | _ | | _ t | _ | S( s/ Overrides the default whitespace chars
( R� R) R* R� R+ ( R� R" ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt setWhitespaceChars8 s c C s
t | _ | S( s� Overrides default behavior to expand C{<TAB>}s to spaces before parsing the input string.
Must be called before C{parseString} when the input grammar contains elements that
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parseWithTabs@ s c C sZ t | t � r: | | j k rV | j j | j � � qV n | j j t | j � � � | S( s� Define expression to be ignored (e.g., comments) while doing pattern
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ignorable patterns.
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c C s1 | p t | p t | p t f | _ t | _ | S( sB Enable display of debugging messages while doing pattern matching.( R R R R4 R� R/ ( R� t startActiont
successActiont exceptionAction( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt setDebugActionsS s
c C s) | r | j t t t � n t | _ | S( s~ Enable display of debugging messages while doing pattern matching.
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t | � S( N( Ro ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� g s c C s t | _ d | _ | S( N( R� R0 R� R& ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRo j s c C s d S( N( ( R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt checkRecursiono s c C s | j g � d S( sX Check defined expressions for valid structure, check for infinite recursive definitions.N( R� ( R� t
validateTrace( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt validater s c C s� y | j � } Wn6 t k
rH t | d � } | j � } | j � n Xy | j | | � SWn' t k
r� t j � d } | � n Xd S( s� Execute the parse expression on the given file or filename.
If a filename is specified (instead of a file object),
the entire file is opened, read, and closed before parsing.
t rbi N( t readR� t opent closeRt R R] R^ ( R� t file_or_filenameRr t
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c B s e Z d Z d � Z d � Z RS( sJ Abstract C{ParserElement} subclass, for defining atomic matching patterns.c C s t t | � j d t � d S( NR8 ( R� R' R� R� ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s c C s, t t | � j | � } d | j | _ | S( Ns Expected ( R� R' R< R� R2 ( R� R� Rg ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR< � s ( R| R} R� R� R< ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR' � s c B s e Z d Z d � Z RS( s" An empty token, will always match.c C s2 t t | � j � d | _ t | _ t | _ d S( NR ( R� R R� R� R� R, R� R1 ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s ( R| R} R� R� ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR � s c B s# e Z d Z d � Z e d � Z RS( s A token that will never match.c C s; t t | � j � d | _ t | _ t | _ d | _ d S( NR s Unmatchable token( R� R R� R� R� R, R� R1 R2 ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s
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RS( s� Token to exactly match a specified string as a keyword, that is, it must be
immediately followed by a non-keyword character. Compare with C{Literal}::
Literal("if") will match the leading C{'if'} in C{'ifAndOnlyIf'}.
Keyword("if") will not; it will only match the leading C{'if'} in C{'if x=1'}, or C{'if(y==2)'}
Accepts two optional constructor arguments in addition to the keyword string:
C{identChars} is a string of characters that would be valid identifier characters,
defaulting to all alphanumerics + "_" and "$"; C{caseless} allows case-insensitive
matching, default is C{False}.
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c B s# e Z d Z d � Z e d � Z RS( s� Token to match a specified string, ignoring case of letters.
Note: the matched results will always be in the case of the given
match string, NOT the case of the input text.
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R� R� R� RZ ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR @ s c B s> e Z d Z d d d d e d d � Z e d � Z d � Z RS( s� Token for matching words composed of allowed character sets.
Defined with string containing all allowed initial characters,
an optional string containing allowed body characters (if omitted,
defaults to the initial character set), and an optional minimum,
maximum, and/or exact length. The default value for C{min} is 1 (a
minimum value < 1 is not valid); the default values for C{max} and C{exact}
are 0, meaning no maximum or exact length restriction. An optional
C{exclude} parameter can list characters that might be found in
the input C{bodyChars} string; useful to define a word of all printables
except for one or two characters, for instance.
i i c C s� t t | � j � | r� d j g | D] } | | k r& | ^ q& � } | r� d j g | D] } | | k rZ | ^ qZ � } q� n | | _ t | � | _ | r� | | _ t | � | _ n | | _ t | � | _ | d k | _ | d k r� t
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RS( s� Token for matching strings that match a given regular expression.
Defined with string specifying the regular expression in a form recognized by the inbuilt Python re module.
s [A-Z]i c C s? t t | � j � t | t � r� t | � d k rM t j d t d d �n | | _ | | _
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" c B s; e Z d Z d d e e d d � Z e d � Z d � Z RS( sI Token for matching strings that are delimited by quoting characters.
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Defined with the following parameters:
- quoteChar - string of one or more characters defining the quote delimiting string
- escChar - character to escape quotes, typically backslash (default=None)
- escQuote - special quote sequence to escape an embedded quote string (such as SQL's "" to escape an embedded ") (default=None)
- multiline - boolean indicating whether quotes can span multiple lines (default=False)
- unquoteResults - boolean indicating whether the matched text should be unquoted (default=True)
- endQuoteChar - string of one or more characters defining the end of the quote delimited string (default=None => same as quoteChar)
i s$ quoteChar cannot be the empty stringR� i s' endQuoteChar cannot be the empty strings %s(?:[^%s%s]R s %s(?:[^%s\n\r%s]i s |(?:s )|(?:i����s %s[^%s]t )s |(?:%s)s |(?:%s.)t ^s \^t -s \-s ([%s])s )*%ss$ invalid pattern (%s) passed to Regexs Expected N() R� R R� R� R� R� R� R� t SyntaxErrorR� t quoteChart quoteCharLent firstQuoteChart endQuoteChart endQuoteCharLent escChart escQuotet unquoteResultsR5 t MULTILINEt DOTALLR� R� R� R� R� R� R� Rt t escCharReplacePatternR� R� R� R� Ro R� R2 R� R1 R� R, ( R� R� R� R� t multilineR� R� R� t charset( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� sf
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� r� | j r� t j | j d | � } n | j r� | j | j | j � } q� q� n | | f S( Ns \g<1>( R� R5 R� R� R� R� R� R� R� R� R� R� Rj R� R� R� R� R� Rt R� ( R� R R� RD R� R R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRZ d s . !c C sS y t t | � j � SWn n X| j d k rL d | j | j f | _ n | j S( Ns. quoted string, starting with %s ending with %s( R� R R� R& R� R� R� ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� s N( R| R} R� R� R� R� R� RZ R� ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR s J c B s5 e Z d Z d d d d � Z e d � Z d � Z RS( s� Token for matching words composed of characters *not* in a given set.
Defined with string containing all disallowed characters, and an optional
minimum, maximum, and/or exact length. The default value for C{min} is 1 (a
minimum value < 1 is not valid); the default values for C{max} and C{exact}
are 0, meaning no maximum or exact length restriction.
i i c C s� t t | � j � t | _ | | _ | d k r@ t d � � n | | _ | d k ra | | _ n t | _ | d k r� | | _ | | _ n t
| � | _ d | j | _ | j d k | _
t | _ d S( Ni sf cannot specify a minimum length < 1; use Optional(CharsNotIn()) if zero-length char group is permittedi s Expected ( R� R R� R� R) t notCharsR� R� R� R� Ro R� R2 R, R1 ( R� R� R� R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s c C s� | | | j k r7 | j } | | _ | | _ | � n | } | d 7} | j } t | | j t | � � } x* | | k r� | | | k r� | d 7} qo W| | | j k r� | j } | | _ | | _ | � n | | | | !f S( Ni ( R� R� R� R� R� R� R� R� ( R� R R� RD R R� t notcharst maxlen( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRZ � s$
c C sv y t t | � j � SWn n X| j d k ro t | j � d k r\ d | j d | _ qo d | j | _ n | j S( Ni s
!W:(%s...)s !W:(%s)( R� R R� R& R� R� R� ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s ( R| R} R� R� R� RZ R� ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR � s c B sX e Z d Z i d d 6d d 6d d 6d d 6d d
6Z d d d
d
d � Z e d � Z RS( s� Special matching class for matching whitespace. Normally, whitespace is ignored
by pyparsing grammars. This class is included when some whitespace structures
are significant. Define with a string containing the whitespace characters to be
matched; default is C{" \t\r\n"}. Also takes optional C{min}, C{max}, and C{exact} arguments,
as defined for the C{Word} class.s <SPC>R� s <TAB>s s <LF>s
s <CR>s
s <FF>s s
i i c C s� t t | � j � | | _ | j d j g | j D] } | | j k r2 | ^ q2 � � d j g | j D] } t j | ^ qg � | _ t | _
d | j | _ | | _ | d k r� | | _
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matchWhiteR� R� R* t whiteStrsR� R� R, R2 R� R� R� ( R� t wsR� R� R� Rh ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s ;/ c C s� | | | j k r7 | j } | | _ | | _ | � n | } | d 7} | | j } t | t | � � } x- | | k r� | | | j k r� | d 7} ql W| | | j k r� | j } | | _ | | _ | � n | | | | !f S( Ni ( R� R� R� R� R� R� R� R� ( R� R R� RD R R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRZ � s"
" ( R| R} R� R R� R� RZ ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR* � s
t _PositionTokenc B s e Z d � Z RS( c C s8 t t | � j � | j j | _ t | _ t | _ d S( N(
R� R R� R� R| R� R� R, R� R1 ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� s ( R| R} R� ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR
s c B s, e Z d Z d � Z d � Z e d � Z RS( sX Token to advance to a specific column of input text; useful for tabular report scraping.c C s t t | � j � | | _ d S( N( R� R R� R5 ( R� t colno( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� s c C s� t | | � | j k r� t | � } | j rB | j | | � } n xE | | k r� | | j � r� t | | � | j k r� | d 7} qE Wn | S( Ni ( R5 R� R. RV t isspace( R� R R� RX ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRY s 7c C s^ t | | � } | | j k r6 t | | d | � � n | | j | } | | | !} | | f S( Ns Text not in expected column( R5 R ( R� R R� RD t thiscolt newlocR� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRZ s
( R| R} R� R� RY R� RZ ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR s c B s, e Z d Z d � Z d � Z e d � Z RS( sQ Matches if current position is at the beginning of a line within the parse stringc C s< t t | � j � | j t j j d d � � d | _ d S( Ns
R s Expected start of line( R� R R� R� R R! Rt R2 ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� * s c C s< t t | � j | | � } | | d k r8 | d 7} n | S( Ns
i ( R� R RY ( R� R R� R` ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRY / s
c C sf | d k p5 | | j | d � k p5 | | d d k s\ | j } | | _ | | _ | � n | g f S( Ni i s
( RY R� R� R� ( R� R R� RD R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRZ 5 s ( R| R} R� R� RY R� RZ ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR ( s c B s# e Z d Z d � Z e d � Z RS( sK Matches if current position is at the end of a line within the parse stringc C s< t t | � j � | j t j j d d � � d | _ d S( Ns
R s Expected end of line( R� R R� R� R R! Rt R2 ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� B s c C s� | t | � k rT | | d k r0 | d d f S| j } | | _ | | _ | � nA | t | � k rt | d g f S| j } | | _ | | _ | � d S( Ns
i ( R� R� R� R� ( R� R R� RD R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRZ G s ( R| R} R� R� R� RZ ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR @ s c B s# e Z d Z d � Z e d � Z RS( sC Matches if current position is at the beginning of the parse stringc C s t t | � j � d | _ d S( Ns Expected start of text( R� R% R� R2 ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� [ s c C sU | d k rK | | j | d � k rK | j } | | _ | | _ | � qK n | g f S( Ni ( RY R� R� R� ( R� R R� RD R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRZ _ s ( R| R} R� R� R� RZ ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR% Y s c B s# e Z d Z d � Z e d � Z RS( s= Matches if current position is at the end of the parse stringc C s t t | � j � d | _ d S( Ns Expected end of text( R� R$ R� R2 ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� l s c C s� | t | � k r6 | j } | | _ | | _ | � n] | t | � k rV | d g f S| t | � k rr | g f S| j } | | _ | | _ | � d S( Ni ( R� R� R� R� ( R� R R� RD R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRZ p s
( R| R} R� R� R� RZ ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR$ j s c B s& e Z d Z e d � Z e d � Z RS( sw Matches if the current position is at the beginning of a Word, and
is not preceded by any character in a given set of C{wordChars}
(default=C{printables}). To emulate the C{} behavior of regular expressions,
use C{WordStart(alphanums)}. C{WordStart} will also match at the beginning of
the string being parsed, or at the beginning of a line.
c C s/ t t | � j � t | � | _ d | _ d S( Ns Not at the start of a word( R� R- R� R� t wordCharsR2 ( R� R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s c C sg | d k r] | | d | j k s6 | | | j k r] | j } | | _ | | _ | � q] n | g f S( Ni i ( R R� R� R� ( R� R R� RD R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRZ � s ( R| R} R� RT R� R� RZ ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR- � s c B s& e Z d Z e d � Z e d � Z RS( sa Matches if the current position is at the end of a Word, and
is not followed by any character in a given set of C{wordChars}
(default=C{printables}). To emulate the C{} behavior of regular expressions,
use C{WordEnd(alphanums)}. C{WordEnd} will also match at the end of
the string being parsed, or at the end of a line.
c C s8 t t | � j � t | � | _ t | _ d | _ d S( Ns Not at the end of a word( R� R, R� R� R R� R) R2 ( R� R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s c C s t | � } | d k ru | | k ru | | | j k sN | | d | j k ru | j } | | _ | | _ | � qu n | g f S( Ni i ( R� R R� R� R� ( R� R R� RD RX R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRZ � s ( R| R} R� RT R� R� RZ ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR, � s c B sq e Z d Z e d � Z d � Z d � Z d � Z d � Z d � Z d � Z
e d � Z g d � Z d
� Z
RS( sT Abstract subclass of ParserElement, for combining and post-processing parsed tokens.c C s� t t | � j | � t | t � r1 | | _ nW t | t � rU t | � g | _ n3 y t | � | _ Wn t k
r� | g | _ n Xt | _
d S( N( R� R R� Rj R� t exprsR� R R� R� R6 ( R� R R8 ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s
c C s | j | S( N( R ( R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s c C s | j j | � d | _ | S( N( R R� R� R& ( R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s c C sP t | _ g | j D] } | j � ^ q | _ x | j D] } | j � q8 W| S( s~ Extends C{leaveWhitespace} defined in base class, and also invokes C{leaveWhitespace} on
all contained expressions.( R� R) R R� R� ( R� RT ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s
%c C s� t | t � rb | | j k r� t t | � j | � x( | j D] } | j | j d � q> Wq� n> t t | � j | � x% | j D] } | j | j d � q� W| S( Ni����( Rj R& R. R� R R� R ( R� R� RT ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s c C s\ y t t | � j � SWn n X| j d k rU d | j j t | j � f | _ n | j S( Ns %s:(%s)( R� R R� R& R� R� R| Ro R ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s %c C sd t t | � j � x | j D] } | j � q Wt | j � d k r`| j d } t | | j � r� | j r� | j d k r� | j
r� | j | j d g | _ d | _ | j | j O_ | j
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n | j d } t | | j � r`| j r`| j d k r`| j
r`| j d | j | _ d | _ | j | j O_ | j
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q`n | S( Ni i i i����( R� R Ro R R� Rj R� R$ R' R� R/ R& R, R1 ( R� RT R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRo � s.
c C s t t | � j | | � } | S( N( R� R RA ( R� R� R? R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRA s c C s@ | | g } x | j D] } | j | � q W| j g � d S( N( R R� R� ( R� R� t tmpRT ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� s c C s> t t | � j � } g | j D] } | j � ^ q | _ | S( N( R� R R� R ( R� R� RT ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� s %( R| R} R� R� R� R� R� R� R� R� Ro RA R� R� ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR � s
c B sW e Z d Z d e f d � � YZ e d � Z e d � Z d � Z d � Z d � Z
RS( s� Requires all given C{ParseExpression}s to be found in the given order.
Expressions may be separated by whitespace.
May be constructed using the C{'+'} operator.
R� c B s e Z d � Z RS( c O s' t t | � j | | � | j � d S( N( R� R R� R� ( R� R RN ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� s ( R| R} R� ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� s c C s} t t | � j | | � t | _ x' | j D] } | j s, t | _ Pq, q, W| j | d j � | d j | _ t | _
d S( Ni ( R� R R� R� R, R R� R� R* R) R6 ( R� R R8 RT ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� ! s c C sG | j d j | | | d t �\ } } t } x | j d D]� } t | t j � r` t } q< n | r� y | j | | | � \ } } Wqt k
r� � qt k
r� t j
� d } t | � � qt k
r� t t | t
| � | j | � � � qXn | j | | | � \ } } | s,| j � r< | | 7} q< q< W| | f S( Ni RE i ( R RI R� Rj R R� R� R R R] R^ R� R R� R2 R� ( R� R R� RD t
resultlistt errorStopRT t
exprtokensR� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRZ , s( (
+c C s+ t | t � r t | � } n | j | � S( N( Rj R� R R� ( R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� E s c C s@ | | g } x+ | j D] } | j | � | j s Pq q Wd S( N( R R� R, ( R� R� t subRecCheckListRT ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� J s
c C se t | d � r | j S| j d k r^ d d j g | j D] } t | � ^ q8 � d | _ n | j S( NR� t {R� t }( R; R� R& R� R� R Ro ( R� RT ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� Q s
9( R| R} R� R R� R� R� RZ R� R� R� ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR s c B sA e Z d Z e d � Z e d � Z d � Z d � Z d � Z RS( s� Requires that at least one C{ParseExpression} is found.
If two expressions match, the expression that matches the longest string will be used.
May be constructed using the C{'^'} operator.
c C sP t t | � j | | � t | _ x' | j D] } | j r, t | _ Pq, q, Wd S( N( R� R R� R� R, R R� ( R� R R8 RT ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� ` s c C s7 d } d } d } x� | j D]� } y | j | | � } Wn� t k
r| t j � d } | j | k r� | } | j } q� q t k
r� t | � | k r� t | t | � | j | � } t | � } q� q X| | k r | } | }
q q W| d k r$| d k r | � q$t | | d | � � n |
j
| | | � S( Ni����i i s no defined alternatives to match( R� R Rf R R] R^ R� R� R� R2 RI ( R� R R� RD t maxExcLoct maxMatchLoct maxExceptionRT t loc2Rc t maxMatchExp( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRZ h s.
c C s+ t | t � r t | � } n | j | � S( N( Rj R� R R� ( R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt __ixor__� s c C se t | d � r | j S| j d k r^ d d j g | j D] } t | � ^ q8 � d | _ n | j S( NR� R s ^ R ( R; R� R& R� R� R Ro ( R� RT ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s
9c C s3 | | g } x | j D] } | j | � q Wd S( N( R R� ( R� R� R
RT ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s (
R| R} R� R� R� R� RZ R R� R� ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR [ s c B sA e Z d Z e d � Z e d � Z d � Z d � Z d � Z RS( s� Requires that at least one C{ParseExpression} is found.
If two expressions match, the first one listed is the one that will match.
May be constructed using the C{'|'} operator.
c C sb t t | � j | | � | rU t | _ x3 | j D] } | j r2 t | _ Pq2 q2 Wn t | _ d S( N( R� R R� R� R, R R� ( R� R R8 RT ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s c C s� d } d } x� | j D]� } y | j | | | � } | SWq t k
ro } | j | k r� | } | j } q� q t k
r� t | � | k r� t | t | � | j | � } t | � } q� q Xq W| d k r� | � n t | | d | � � d S( Ni����s no defined alternatives to match( R� R RI R R� R� R� R2 ( R� R R� RD R R RT R� Rc ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRZ � s"
c C s+ t | t � r t | � } n | j | � S( N( Rj R� R R� ( R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt __ior__� s c C se t | d � r | j S| j d k r^ d d j g | j D] } t | � ^ q8 � d | _ n | j S( NR� R s | R ( R; R� R& R� R� R Ro ( R� RT ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s
9c C s3 | | g } x | j D] } | j | � q Wd S( N( R R� ( R� R� R
RT ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s (
R| R} R� R� R� R� RZ R R� R� ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR � s c B s8 e Z d Z e d � Z e d � Z d � Z d � Z RS( s� Requires all given C{ParseExpression}s to be found, but in any order.
Expressions may be separated by whitespace.
May be constructed using the C{'&'} operator.
c C sb t t | � j | | � t | _ x' | j D] } | j s, t | _ Pq, q, Wt | _ t | _ d S( N( R� R R� R� R, R R� R) t initExprGroups( R� R R8 RT ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s c C s� | j r,g | j D] } t | t � r | j ^ q } g | j D]! } | j rA | | k rA | ^ qA } | | | _ g | j D] } t | t � r | j ^ q | _ g | j D] } t | t � r� | j ^ q� | _
g | j D]$ } t | t t t f � s� | ^ q� | _ | j | j
7_ t | _ n | } | j } | j } g }
t
} x� | r*| | | j | j
} g }
x� | D]� } y | j | | � } Wn t k
r�|
j | � q�X|
j | � | | k r�| j | � q�| | k r�| j | � q�q�Wt |
� t | � k rUt } qUqUW| rrd j g | D] } t | � ^ q>� } t | | d | � � n |
g | j D]* } t | t � r| j | k r| ^ q7}
g } x6 |
D]. } | j | | | � \ } } | j | � q�Wt g � } x� | D]� } i } xW | j � D]I } | | j � k rt | | � } | t | | � 7} | | | <qqW| t | � 7} x$ | j � D] \ } } | | | <q�WqW| | f S( Ns , s* Missing one or more required elements (%s)( R R Rj R R R, t optionalsR. t multioptionalsR t
multirequiredt requiredR� R� Rf R R� t removeR� R� Ro RI R R� R� ( R� R R� RD RT t opt1t opt2t tmpLoct tmpReqdt tmpOptt
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c C se t | d � r | j S| j d k r^ d d j g | j D] } t | � ^ q8 � d | _ n | j S( NR� R s & R ( R; R� R& R� R� R Ro ( R� RT ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR�
s
9c C s3 | | g } x | j D] } | j | � q Wd S( N( R R� ( R� R� R
RT ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� &
s ( R| R} R� R� R� RZ R� R� ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR � s
: c B s_ e Z d Z e d � Z e d � Z d � Z d � Z d � Z d � Z
g d � Z d � Z RS( sW Abstract subclass of C{ParserElement}, for combining and post-processing parsed tokens.c C s� t t | � j | � t | t � r4 t | � } n | | _ d | _ | d k r� | j | _ | j
| _
| j | j � | j
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| j | _ | j | _ | j j | j � n d S( N( R� R R� Rj R� R R R� R& R1 R, R� R* R) R( R6 R. t extend( R� R R8 ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� .
s c C sG | j d k r+ | j j | | | d t �St d | | j | � � d S( NRE R ( R R� RI R� R R2 ( R� R R� RD ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRZ =
s c C s> t | _ | j j � | _ | j d k r: | j j � n | S( N( R� R) R R� R� R� ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� C
s
c C s� t | t � rc | | j k r� t t | � j | � | j d k r` | j j | j d � q` q� n? t t | � j | � | j d k r� | j j | j d � n | S( Ni����( Rj R& R. R� R R� R R� ( R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� J
s c C s6 t t | � j � | j d k r2 | j j � n | S( N( R� R Ro R R� ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRo V
s c C sV | | k r" t | | g � � n | | g } | j d k rR | j j | � n d S( N( R! R R� R� ( R� R� R
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c C sA | | g } | j d k r0 | j j | � n | j g � d S( N( R R� R� R� ( R� R� R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� c
s c C sk y t t | � j � SWn n X| j d k rd | j d k rd d | j j t | j � f | _ n | j S( Ns %s:(%s)( R� R R� R& R� R R� R| Ro ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� i
s %(
R| R} R� R� R� R� RZ R� R� Ro R� R� R� ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR ,
s c B s# e Z d Z d � Z e d � Z RS( s Lookahead matching of the given parse expression. C{FollowedBy}
does *not* advance the parsing position within the input string, it only
verifies that the specified parse expression matches at the current
position. C{FollowedBy} always returns a null token list.c C s# t t | � j | � t | _ d S( N( R� R R� R� R, ( R� R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� y
s c C s | j j | | � | g f S( N( R Rf ( R� R R� RD ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRZ }
s ( R| R} R� R� R� RZ ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR t
s c B s, e Z d Z d � Z e d � Z d � Z RS( s� Lookahead to disallow matching with the given parse expression. C{NotAny}
does *not* advance the parsing position within the input string, it only
verifies that the specified parse expression does *not* match at the current
position. Also, C{NotAny} does *not* skip over leading whitespace. C{NotAny}
always returns a null token list. May be constructed using the '~' operator.c C sB t t | � j | � t | _ t | _ d t | j � | _ d S( Ns Found unwanted token, (
R� R R� R� R) R� R, Ro R R2 ( R� R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� �
s c C s\ y | j j | | � Wn t t f k
r0 n" X| j } | | _ | | _ | � | g f S( N( R Rf R R� R� R� R� ( R� R R� RD R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRZ �
s c C sI t | d � r | j S| j d k rB d t | j � d | _ n | j S( NR� s ~{R ( R; R� R& R� Ro R ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� �
s
( R| R} R� R� R� RZ R� ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR �
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c B s8 e Z d Z d � Z e d � Z d � Z e d � Z RS( s< Optional repetition of zero or more of the given expression.c C s# t t | � j | � t | _ d S( N( R� R. R� R� R, ( R� R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� �
s c C s� g } y� | j j | | | d t �\ } } t | j � d k } xa | r` | j | | � } n | } | j j | | | � \ } } | s� | j � rE | | 7} qE qE Wn t t f k
r� n X| | f S( NRE i ( R RI R� R� R. RV R� R R� ( R� R R� RD Rb t hasIgnoreExprsR` t tmptokens( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRZ �
s $ c C sI t | d � r | j S| j d k rB d t | j � d | _ n | j S( NR� R� s ]...( R; R� R& R� Ro R ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� �
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c C s( t t | � j | | � } t | _ | S( N( R� R. RA R� R( ( R� R� R? R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRA �
s ( R| R} R� R� R� RZ R� R� RA ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR. �
s
c B s/ e Z d Z e d � Z d � Z e d � Z RS( s2 Repetition of one or more of the given expression.c C s� | j j | | | d t �\ } } y} t | j � d k } xa | rZ | j | | � } n | } | j j | | | � \ } } | s� | j � r? | | 7} q? q? Wn t t f k
r� n X| | f S( NRE i ( R RI R� R� R. RV R� R R� ( R� R R� RD Rb R, R` R- ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRZ �
s $ c C sI t | d � r | j S| j d k rB d t | j � d | _ n | j S( NR� R s }...( R; R� R& R� Ro R ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� �
s
c C s( t t | � j | | � } t | _ | S( N( R� R RA R� R( ( R� R� R? R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRA �
s ( R| R} R� R� RZ R� R� RA ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR �
s t
_NullTokenc B s e Z d � Z e Z d � Z RS( c C s t S( N( R� ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� �
s c C s d S( NR ( ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� �
s ( R| R} R� R R� ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR. �
s c B s/ e Z d Z e d � Z e d � Z d � Z RS( s� Optional matching of the given expression.
A default return string can also be specified, if the optional expression
is not found.
c C s2 t t | � j | d t �| | _ t | _ d S( NR8 ( R� R R� R� R� R� R, ( R� R t default( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� �
s c C s� y( | j j | | | d t �\ } } Wno t t f k
r� | j t k r� | j j r� t | j g � } | j | | j j <q� | j g } q� g } n X| | f S( NRE ( R RI R� R R� R� t _optionalNotMatchedR' R ( R� R R� RD Rb ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRZ s (
c C sI t | d � r | j S| j d k rB d t | j � d | _ n | j S( NR� R� R� ( R; R� R& R� Ro R ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� s
( R| R} R� R0 R� R� RZ R� ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR �
s c B s, e Z d Z e d d d � Z e d � Z RS( s Token for skipping over all undefined text until the matched expression is found.
If C{include} is set to true, the matched expression is also parsed (the skipped text
and matched expression are returned as a 2-element list). The C{ignore}
argument is used to define grammars (typically quoted strings and comments) that
might contain false matches.
c C s� t t | � j | � | | _ t | _ t | _ | | _ t | _ | d k rp t | t � rp t
| � | _ n | | _ d t | j � | _ d S( Ns No match found for ( R� R# R� t
ignoreExprR� R, R� R1 t includeMatchR� R� Rj R� R t failOnRo R R2 ( R� R� t includeR� R3 ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� s c C s� | } t | � } | j } t } x�| | k r�yE| j r� y | j j | | � Wn t k
rf n& Xt } t | | d t | j � � � t } n | j d k r� x4 y | j j | | � } Wq� t k
r� Pq� Xq� n | j | | d t d t �| | | !} | j rg| j | | | d t �\ } } | rWt
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r�| r�� q�| d 7} q$ Xq$ W| j } | | _ | | _ | � d S( Ns Found expression RD RE i ( R� R R� R3 Rf R R� R Rl R1 R� RI R2 R R� R� R� R� ( R� R R� RD t startLocRX R t failParset skipTextt matt skipResR ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRZ - sL
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c B sS e Z d Z d d � Z d � Z d � Z d � Z g d � Z d � Z d � Z
RS( s� Forward declaration of an expression to be defined later -
used for recursive grammars, such as algebraic infix notation.
When the expression is known, it is assigned to the C{Forward} variable using the '<<' operator.
Note: take care when assigning to C{Forward} not to overlook precedence of operators.
Specifically, '|' has a lower precedence than '<<', so that::
fwdExpr << a | b | c
will actually be evaluated as::
(fwdExpr << a) | b | c
thereby leaving b and c out as parseable alternatives. It is recommended that you
explicitly group the values inserted into the C{Forward}::
fwdExpr << (a | b | c)
c C s t t | � j | d t �d S( NR8 ( R� R
R� R� ( R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� h s c C s� t | t � r t | � } n | | _ | j | _ d | _ | j j | _ | j j | _ | j | j j � | j j
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__lshift__k s c C s
t | _ | S( N( R� R) ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� y s c C s8 | j s4 t | _ | j d k r4 | j j � q4 n | S( N( R0 R� R R� Ro ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRo } s
c C sP | | k r? | | g } | j d k r? | j j | � q? n | j g � d S( N( R R� R� R� ( R� R� R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s
c C sx t | d � r | j S| j | _ t | _ z+ | j d k rO t | j � } n d } Wd | j | _ X| j j d | S( NR� R� s : ( R; R� R� t _revertClasst _ForwardNoRecurseR R� Ro R| ( R� t retString( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s
c C s; | j d k r" t t | � j � St � } | | >| Sd S( N( R R� R� R
R� ( R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s
N( R| R} R� R� R� R: R� Ro R� R� R� ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR
Z s
R< c B s e Z d � Z RS( c C s d S( Ns ...( ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s ( R| R} R� ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR< � s c B s e Z d Z e d � Z RS( sG Abstract subclass of C{ParseExpression}, for converting parsed results.c C s# t t | � j | � t | _ d S( N( R� R( R� R� R( ( R� R R8 ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s ( R| R} R� R� R� ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR( � s c B s e Z d Z d � Z d � Z RS( s, Converter to upper case all matching tokens.c G s0 t t | � j | � t j d t d d �d S( NsA Upcase class is deprecated, use upcaseTokens parse action insteadR� i ( R� R) R� R� R� t DeprecationWarning( R� R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s c C s t t t j | � � S( N( R� RL t stringR� ( R� R R� R[ ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR\ � s ( R| R} R� R� R\ ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR) � s c B s/ e Z d Z d e d � Z d � Z d � Z RS( s� Converter to concatenate all matching tokens to a single string.
By default, the matching patterns must also be contiguous in the input string;
this can be disabled by specifying C{'adjacent=False'} in the constructor.
R c C sQ t t | � j | � | r) | j � n | | _ t | _ | | _ t | _ d S( N( R� R R� R� t adjacentR� R) t
joinStringR6 ( R� R RA R@ ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s
c C s6 | j r t j | | � n t t | � j | � | S( N( R@ R R� R� R ( R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s c C sq | j � } | 2| t d j | j | j � � g d | j �7} | j ri t | j � � d k ri | g S| Sd S( NR R� i ( R� R R� R� RA R3 R' R� R� ( R� R R� R[ t retToks( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR\ � s 1!( R| R} R� R� R� R� R\ ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR � s
c B s e Z d Z d � Z d � Z RS( s} Converter to return the matched tokens as a list - useful for returning tokens of C{ZeroOrMore} and C{OneOrMore} expressions.c C s# t t | � j | � t | _ d S( N( R� R R� R� R( ( R� R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s c C s | g S( N( ( R� R R� R[ ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR\ � s ( R| R} R� R� R\ ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR � s c B s e Z d Z d � Z d � Z RS( s Converter to return a repetitive expression as a list, but also as a dictionary.
Each element can also be referenced using the first token in the expression as its key.
Useful for tabular report scraping when the first column can be used as a item key.
c C s# t t | � j | � t | _ d S( N( R� R R� R� R( ( R� R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s c C sT x9t | � D]+\ } } t | � d k r1 q
n | d } t | t � rc t | d � j � } n t | � d k r� t d | � | | <q
t | � d k r� t | d t � r� t | d | � | | <q
| j � } | d =t | � d k s t | t � r!| j � r!t | | � | | <q
t | d | � | | <q
W| j
rL| g S| Sd S( Ni i R i ( R� R� Rj R� Ro R� R� R R� R� R' ( R� R R� R[ R� t tokt ikeyt dictvalue( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR\ � s$
& - ( R| R} R� R� R\ ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR � s c B s e Z d Z d � Z d � Z RS( s: Converter for ignoring the results of a parsed expression.c C s g S( N( ( R� R R� R[ ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR\ s c C s | S( N( ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� s ( R| R} R� R\ R� ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR& s c B s) e Z d Z d � Z d � Z d � Z RS( s? Wrapper for parse actions, to ensure they are only called once.c C s t | � | _ t | _ d S( N( R t callableR� t called( R� t
methodCall( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR�
s c C sA | j s+ | j | | | � } t | _ | St | | d � � d S( NR ( RG RF R� R ( R� Rg t lR R' ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� s
c C s
t | _ d S( N( R� RG ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt reset s ( R| R} R� R� R� RJ ( ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR s c sC t � � � � f d � } y � j | _ Wn t k
r> n X| S( s& Decorator for debugging parse actions.c s� � j } | d \ } } } t | � d k rI | d j j d | } n t j j d | t | | � | | f � y � | � } Wn> t k
r� t j � d } t j j d | | f � � n Xt j j d | | f � | S( Ni����i i t .s" >>entering %s(line: '%s', %d, %s)
i s <<leaving %s (exception: %s)
s <<leaving %s (ret: %s)
(
t func_nameR� R� R| R] t stderrt writeRE Rh R^ ( t paArgst thisFuncRg RI R R� R ( R� ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt z s )
( R R| R� ( R� RQ ( ( R� s- /usr/lib/python2.7/site-packages/pyparsing.pyR` s
t ,c C sx t | � d t | � d t | � d } | rS t | t | | � � j | � S| t t | � | � j | � Sd S( s� Helper to define a delimited list of expressions - the delimiter defaults to ','.
By default, the list elements and delimiters can have intervening whitespace, and
comments, but this can be overridden by passing C{combine=True} in the constructor.
If C{combine} is set to True, the matching tokens are returned as a single token
string, with the delimiters included; otherwise, the matching tokens are returned
as a list of tokens, with the delimiters suppressed.
s [R� s ]...N( Ro R R. R< R& ( R t delimt combinet dlName( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR< 3 s ,!c sv t � � � � f d � } | d k rB t t � j d � � } n | j � } | j d � | j | d t �| � S( sC Helper to define a counted list of expressions.
This helper defines a pattern of the form::
integer expr expr expr...
where the leading integer tells how many expr expressions follow.
The matched tokens returns the array of expr tokens as a list - the leading count token is suppressed.
c s; | d } � | r, t t � g | � � p5 t t � >g S( Ni ( R R R? ( Rg RI R R� ( t arrayExprR ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt countFieldParseActionI s
-c S s t | d � S( Ni ( R� ( R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRi N s t arrayLenR7 N( R
R� R+ RP RO R� R< RP R� ( R t intExprRW ( ( RV R s- /usr/lib/python2.7/site-packages/pyparsing.pyR8 A s
c C sM g } x@ | D]8 } t | t � r8 | j t | � � q
| j | � q
W| S( N( Rj R� R+ R} R� ( t LR� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR} U s
c s/ t � � � f d � } | j | d t �� S( s? Helper to define an expression that is indirectly defined from
the tokens matched in a previous expression, that is, it looks
for a 'repeat' of a previous expression. For example::
first = Word(nums)
second = matchPreviousLiteral(first)
matchExpr = first + ":" + second
will match C{"1:1"}, but not C{"1:2"}. Because this matches a
previous literal, will also match the leading C{"1:1"} in C{"1:10"}.
If this is not desired, use C{matchPreviousExpr}.
Do *not* use with packrat parsing enabled.
c sr | rc t | � d k r' � | d >qn t | j � � } � t g | D] } t | � ^ qF � >n � t � >d S( Ni i ( R� R} R� R R R ( Rg RI R t tflatt tt( t rep( s- /usr/lib/python2.7/site-packages/pyparsing.pyt copyTokenToRepeaterk s *R7 ( R
RP R� ( R R^ ( ( R] s- /usr/lib/python2.7/site-packages/pyparsing.pyRM ^ s
c sC t � � | j � } � | >� f d � } | j | d t �� S( sj Helper to define an expression that is indirectly defined from
the tokens matched in a previous expression, that is, it looks
for a 'repeat' of a previous expression. For example::
first = Word(nums)
second = matchPreviousExpr(first)
matchExpr = first + ":" + second
will match C{"1:1"}, but not C{"1:2"}. Because this matches by
expressions, will *not* match the leading C{"1:1"} in C{"1:10"};
the expressions are evaluated first, and then compared, so
C{"1"} is compared with C{"10"}.
Do *not* use with packrat parsing enabled.
c s8 t | j � � � � f d � } � j | d t �d S( Nc s7 t | j � � } | � k r3 t d d d � � n d S( NR i ( R} R� R ( Rg RI R t theseTokens( t matchTokens( s- /usr/lib/python2.7/site-packages/pyparsing.pyt mustMatchTheseTokens� s R7 ( R} R� RO R� ( Rg RI R Ra ( R] ( R` s- /usr/lib/python2.7/site-packages/pyparsing.pyR^ � s R7 ( R
R� RP R� ( R t e2R^ ( ( R] s- /usr/lib/python2.7/site-packages/pyparsing.pyRL x s
c C sU x$ d D] } | j | t | � } q W| j d d � } | j d d � } t | � S( Ns \^-]s
s \ns s \t( Rt t _bslashRo ( Rg Rh ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR� � s
c C s | r! d � } d � } t } n d � } d � } t } t | t t f � r^ t | � } n4 t | t � r| | j � } n t j d t d d �d } x� | t
| � d k rG| | } x� t | | d � D]f \ } }
| |
| � r� | | | d =Pq� | | |
� r� | | | d =| j | |
� |
} Pq� q� W| d 7} q� W| r�| r�y� t
| � t
d
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g | D] } t | � ^ q�� � St d j
g | D] } t j | � ^ q�� � SWq�t j d
t d d �q�Xn t g | D] } | | � ^ q� S( so Helper to quickly define a set of alternative Literals, and makes sure to do
longest-first testing when there is a conflict, regardless of the input order,
but returns a C{MatchFirst} for best performance.
Parameters:
- strs - a string of space-delimited literals, or a list of string literals
- caseless - (default=False) - treat all literals as caseless
- useRegex - (default=True) - as an optimization, will generate a Regex
object; otherwise, will generate a C{MatchFirst} object (if C{caseless=True}, or
if creating a C{Regex} raises an exception)
c S s | j � | j � k S( N( R� ( R� t b( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRi � s c S s | j � j | j � � S( N( R� R� ( R� Rd ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRi � s c S s
| | k S( N( ( R� Rd ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRi � s c S s
| j | � S( N( R� ( R� Rd ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRi � s s2 Invalid argument to oneOf, expected string or listR� i i i R s [%s]t |s7 Exception creating Regex for oneOf, building MatchFirst( R R Rj R� R� R� Rr R� R� R� R� R� R� R� R" R� R5 R� R ( t strsR� t useRegext isequalt maskst parseElementClasst symbolsR� t curR� R� t sym( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRQ � sF
!
!03 c C s t t t | | � � � S( s� Helper to easily and clearly define a dictionary by specifying the respective patterns
for the key and value. Takes care of defining the C{Dict}, C{ZeroOrMore}, and C{Group} tokens
in the proper order. The key pattern can include delimiting markers or punctuation,
as long as they are suppressed, thereby leaving the significant key text. The value
pattern can include named results, so that the C{Dict} results can include named token
fields.
( R R. R ( R� R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR= � s c C sp t � j d � � } | j � } t | _ | d � | | d � } | rV d � } n d � } | j | � | S( s� Helper to return the original, untokenized text for a given expression. Useful to
restore the parsed fields of an HTML start tag into the raw tag text itself, or to
revert separate tokens with intervening whitespace back to the original matching
input text. Simpler to use than the parse action C{L{keepOriginalText}}, and does not
require the inspect module to chase up the call stack. By default, returns a
string containing the original parsed text.
If the optional C{asString} argument is passed as C{False}, then the return value is a
C{ParseResults} containing any results names that were originally matched, and a
single token containing the original matched text from the input string. So if
the expression passed to C{L{originalTextFor}} contains expressions with defined
results names, you must set C{asString} to C{False} if you want to preserve those
results name values.c S s | S( N( ( Rg R� R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRi � s t _original_startt
_original_endc S s | | j | j !S( N( Rn Ro ( Rg RI R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRi � s c S s3 | 2| j d | | j | j !� | d =| d =d S( Ni Rn Ro ( R� Rn Ro ( Rg RI R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt extractText� s ( R RO R� R� R6 ( R t asStringt locMarkert endlocMarkert matchExprRp ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRe � s
c C s t | � j d � � S( si Helper to undo pyparsing's default grouping of And expressions, even
if all but one are non-empty.c S s | d S( Ni ( ( R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRi � s ( R( RO ( R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt ungroup� s s \[]-*.$+^?()~ R� c C s | d d S( Ni i ( ( Rg RI R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRi
s s \]s \\0?[xX][0-9a-fA-F]+c C s t t | d d d � � S( Ni i i ( t unichrR� ( Rg RI R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRi
s s \\0[0-7]+c C s t t | d d d � � S( Ni i i ( Rv R� ( Rg RI R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRi
s i R� R� R� t negatet bodyR� c C s\ t | t � rX d j g t t | d � t | d � d � D] } t | � ^ q= � p[ | S( NR i i ( Rj R R� R� t ordRv ( t pRh ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRi
s c C sE y6 d j g t j | � j D] } t | � ^ q � SWn d SXd S( s� Helper to easily define string ranges for use in Word construction. Borrows
syntax from regexp '[]' string range definitions::
srange("[0-9]") -> "0123456789"
srange("[a-z]") -> "abcdefghijklmnopqrstuvwxyz"
srange("[a-z$_]") -> "abcdefghijklmnopqrstuvwxyz$_"
The input string must be enclosed in []'s, and the returned string is the expanded
character set joined into a single string.
The values enclosed in the []'s may be::
a single character
an escaped character with a leading backslash (such as \- or \])
an escaped hex character with a leading '\x' (\x21, which is a '!' character)
(\0x## is also supported for backwards compatibility)
an escaped octal character with a leading '\0' (\041, which is a '!' character)
a range of any of the above, separated by a dash ('a-z', etc.)
any combination of the above ('aeiouy', 'a-zA-Z0-9_$', etc.)
R N( R� t _reBracketExprRt Rx t _expanded( Rg t part( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR]
s 6c s � f d � } | S( sr Helper method for defining parse actions that require matching at a specific
column in the input text.
c s2 t | | � � k r. t | | d � � � n d S( Ns matched token not at column %d( R5 R ( R
t locnR ( R� ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt verifyCol,
s ( ( R� R ( ( R� s- /usr/lib/python2.7/site-packages/pyparsing.pyRK (
s c s � f d � } | S( s� Helper method for common parse actions that simply return a literal value. Especially
useful when used with C{transformString()}.
c s � g S( N( ( R ( t replStr( s- /usr/lib/python2.7/site-packages/pyparsing.pyt _replFunc5
s ( ( R� R� ( ( R� s- /usr/lib/python2.7/site-packages/pyparsing.pyRZ 1
s c C s | d d d !S( s� Helper parse action for removing quotation marks from parsed quoted strings.
To use, add this parse action to quoted string using::
quotedString.setParseAction( removeQuotes )
i i i����( ( Rg RI R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRX 9
s c C s& g t t | � D] } | j � ^ q S( s4 Helper parse action to convert tokens to upper case.( RL Ro R� ( Rg RI R R\ ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRb @
s c C s& g t t | � D] } | j � ^ q S( s4 Helper parse action to convert tokens to lower case.( RL Ro t lower( Rg RI R R\ ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR> D
s c C sL y
t � } Wn t k
r, t d � � n X| 2| t | | | !� 7} | S( s� DEPRECATED - use new helper method C{originalTextFor}.
Helper parse action to preserve original parsed text,
overriding any nested parse actions.sJ incorrect usage of keepOriginalText - may only be called as a parse action( R@ R R R ( Rg R5 R R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRD H
s
c C sm d d l } | j � } zJ xC | d D]+ } | d d k r& | d j d } | Sq& Wt d � � Wd ~ Xd S( si Method to be called from within a parse action to determine the end
location of the parsed tokens.i����Ni i Re i R� sR incorrect usage of getTokensEndLoc - may only be called from within a parse action( t inspectt stackt f_localsR ( R� t fstackR� R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyR@ T
s c C sQ t | t � r+ | } t | d | �} n | j } t t t d � } | r� t j � j t
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� } | j d d j | j d d � j � j � � � j d | � } | j d d j | j d d � j � j � � � j d | � } | | _ | | _ | | f S( sR Internal helper to construct opening and closing tag expressions, given a tag nameR� s _-:R� t tagt =t /R/ R? c S s | d d k S( Ni R� ( ( Rg RI R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRi q
s R� R c S s | d d k S( Ni R� ( ( Rg RI R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRi x
s s </R� t :R� s <%s>R� s </%s>( Rj R� R
R� R+ R0 R/ R: R� RO RX R& R R. R R R� RA R� RT RW R> R t _LRt t titleRr R< R� ( t tagStrt xmlt resnamet tagAttrNamet tagAttrValuet openTagRh t printablesLessRAbrackt closeTag( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt _makeTagsd
s" o. {AA c C s
t | t � S( sR Helper to construct opening and closing tag expressions for HTML, given a tag name( R� R� ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRI �
s c C s
t | t � S( sQ Helper to construct opening and closing tag expressions for XML, given a tag name( R� R� ( R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRJ �
s c sT | r | � n | j � � g � D] \ } } | | f ^ q# � � f d � } | S( s Helper to create a validating parse action to be used with start tags created
with C{makeXMLTags} or C{makeHTMLTags}. Use C{withAttribute} to qualify a starting tag
with a required attribute value, to avoid false matches on common tags such as
C{<TD>} or C{<DIV>}.
Call C{withAttribute} with a series of attribute names and values. Specify the list
of filter attributes names and values as:
- keyword arguments, as in C{(align="right")}, or
- as an explicit dict with C{**} operator, when an attribute name is also a Python
reserved word, as in C{**{"class":"Customer", "align":"right"}}
- a list of name-value tuples, as in ( ("ns1:class", "Customer"), ("ns2:align","right") )
For attribute names with a namespace prefix, you must use the second form. Attribute
names are matched insensitive to upper/lower case.
To verify that the attribute exists, but without specifying a value, pass
C{withAttribute.ANY_VALUE} as the value.
c s� x~ � D]v \ } } | | k r8 t | | d | � � n | t j k r | | | k r t | | d | | | | f � � q q Wd S( Ns no matching attribute s+ attribute '%s' has value '%s', must be '%s'( R Rc t ANY_VALUE( Rg RI Rb t attrNamet attrValue( t attrs( s- /usr/lib/python2.7/site-packages/pyparsing.pyt pa�
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| B>| } q4 W| | >| S( s# Helper method for constructing grammars of expressions made up of
operators working in a precedence hierarchy. Operators may be unary or
binary, left- or right-associative. Parse actions can also be attached
to operator expressions.
Parameters:
- baseExpr - expression representing the most basic element for the nested
- opList - list of tuples, one for each operator precedence level in the
expression grammar; each tuple is of the form
(opExpr, numTerms, rightLeftAssoc, parseAction), where:
- opExpr is the pyparsing expression for the operator;
may also be a string, which will be converted to a Literal;
if numTerms is 3, opExpr is a tuple of two expressions, for the
two operators separating the 3 terms
- numTerms is the number of terms for this operator (must
be 1, 2, or 3)
- rightLeftAssoc is the indicator whether the operator is
right or left associative, using the pyparsing-defined
constants opAssoc.RIGHT and opAssoc.LEFT.
- parseAction is the parse action to be associated with
expressions matching this operator expression (the
parse action tuple member may be omitted)
t (R� i i i s@ if numterms=3, opExpr must be a tuple or list of two expressionsi s6 operator must be unary (1), binary (2), or ternary (3)s2 operator must indicate right or left associativityN( N( R
R& R� R� R� R� RR t LEFTR R R t RIGHTRj R R RO ( t baseExprt opListR� t lastExprR� t operDeft opExprt arityt rightLeftAssocR� t opExpr1t opExpr2t thisExprRt ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRS �
sP ' /' $ /'
s4 "(?:[^"\n\r\\]|(?:"")|(?:\\x[0-9a-fA-F]+)|(?:\\.))*"s string enclosed in double quotess4 '(?:[^'\n\r\\]|(?:'')|(?:\\x[0-9a-fA-F]+)|(?:\\.))*'s string enclosed in single quotessq (?:"(?:[^"\n\r\\]|(?:"")|(?:\\x[0-9a-fA-F]+)|(?:\\.))*")|(?:'(?:[^'\n\r\\]|(?:'')|(?:\\x[0-9a-fA-F]+)|(?:\\.))*')s* quotedString using single or double quotest uR� R� c C s | | k r t d � � n | d k r�t | t � rt | t � rt | � d k r� t | � d k r� | d k r� t t | t | | t j d d �� � j
d � � } q|t j � t | | t j � j
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d � � } q�t d � � n t � } | d k r�| t t | � t | | B| B� t | � � >n, | t t | � t | | B� t | � � >| S(
s� Helper method for defining nested lists enclosed in opening and closing
delimiters ("(" and ")" are the default).
Parameters:
- opener - opening character for a nested list (default="("); can also be a pyparsing expression
- closer - closing character for a nested list (default=")"); can also be a pyparsing expression
- content - expression for items within the nested lists (default=None)
- ignoreExpr - expression for ignoring opening and closing delimiters (default=quotedString)
If an expression is not provided for the content argument, the nested
expression will capture all whitespace-delimited content between delimiters
as a list of separate values.
Use the C{ignoreExpr} argument to define expressions that may contain
opening or closing characters that should not be treated as opening
or closing characters for nesting, such as quotedString or a comment
expression. Specify multiple expressions using an C{L{Or}} or C{L{MatchFirst}}.
The default is L{quotedString}, but if no expressions are to be ignored,
then pass C{None} for this argument.
s. opening and closing strings cannot be the samei R� c S s | d j � S( Ni ( R� ( R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRi s c S s | d j � S( Ni ( R� ( R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRi s c S s | d j � S( Ni ( R� ( R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRi s c S s | d j � S( Ni ( R� ( R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRi $ s sO opening and closing arguments must be strings if no content expression is givenN( R� R� Rj R� R� R R R R R! RO R? R� R R
R R& R. ( t openert closert contentR1 R� ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRN �
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$ 3,c s � f d � } � f d � } � f d � } t t � j d � j � � } t � t � j | � } t � j | � } t � j | � } | r� t t | � | t | t | � t | � � | � }
n0 t t | � t | t | � t | � � � }
| j t t � � |
S( s� Helper method for defining space-delimited indentation blocks, such as
those used to define block statements in Python source code.
Parameters:
- blockStatementExpr - expression defining syntax of statement that
is repeated within the indented block
- indentStack - list created by caller to manage indentation stack
(multiple statementWithIndentedBlock expressions within a single grammar
should share a common indentStack)
- indent - boolean indicating whether block must be indented beyond the
the current level; set to False for block of left-most statements
(default=True)
A valid block must contain at least one C{blockStatement}.
c ss | t | � k r d St | | � } | � d k ro | � d k rZ t | | d � � n t | | d � � n d S( Ni����s illegal nestings not a peer entry( R� R5 R R ( Rg RI R t curCol( t indentStack( s- /usr/lib/python2.7/site-packages/pyparsing.pyt checkPeerIndent> s c sE t | | � } | � d k r/ � j | � n t | | d � � d S( Ni����s not a subentry( R5 R� R ( Rg RI R R� ( R� ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt checkSubIndentF s c sn | t | � k r d St | | � } � oH | � d k oH | � d k s` t | | d � � n � j � d S( Ni����i����s not an unindent( R� R5 R R� ( Rg RI R R� ( R� ( s- /usr/lib/python2.7/site-packages/pyparsing.pyt
checkUnindentM s &s (
R R R� R� R RO R R R� Rc ( t blockStatementExprR� R� R� R� R� t NLt INDENTt PEERt UNDENTt smExpr( ( R� s- /usr/lib/python2.7/site-packages/pyparsing.pyRd . s 8 $s# [\0xc0-\0xd6\0xd8-\0xf6\0xf8-\0xff]s [\0xa1-\0xbf\0xd7\0xf7]s _:Rp s gt lt amp nbsp quott entityRq s ><& "c C s | j t k r t | j p d S( N( R� t _htmlEntityMapR� ( R ( ( s- /usr/lib/python2.7/site-packages/pyparsing.pyRi h s s /\*(?:[^*]*\*+)+?/s C style comments <!--[\s\S]*?-->s .*s
\/\/(\\\n|.)*s
// comments: /(?:\*(?:[^*]*\*+)+?/|/[^\n]*(?:\n[^\n]*)*?(?:(?<!\\)|\Z))s C++ style comments #.*s Python style comments t commaItemR/ t __main__c C s� yv t j | � } | j � } | d t | � GHd t | � GHd t | j � GHd t | j � GH| j d t � GHWnK t k
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Ns ->s tokens = s tokens.columns = s tokens.tables = t SQLi R� R� ( (
t simpleSQLRt R� Rl t columnst tablesR� R� R R] R^ RE R� ( t
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t selectt froms _$RK RT R= R� R� s SELECT * from XYZZY, ABCs select * from SYS.XYZZYs Select A from Sys.duals Select AA,BB,CC from Sys.duals Select A, B, C from Sys.duals Xelect A, B, C from Sys.duals Select A, B, C frox Sys.dualt Selects Select ^^^ frox Sys.duals' Select A, B, C from Sys.dual, Table2 (� R� t __version__t __versionTime__t
__author__R? t weakrefR R� R� R] R� R5 R� t __all__t version_infot _PY3Kt maxsizeR� Rl R� t chrRv Ro t ascii_lowercaset ascii_uppercaseR0 t maxintt xrangeR� R� t lowercaset uppercaset singleArgBuiltinst __builtin__Rr t fnameR� t getattrR� Rz R� R{ t digitsRP RA R/ Rc R� t printableRh t
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