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utility functions to handle differences in pysqlite versions
These are from Wichert Akkerman <wichert@deephackmode.org>'s python-dhm
http://www.wiggy.net/code/python-dhm
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TokenizeErrorc B s e Z d Z RS( s Tokenizer error class( t __name__t
__module__t __doc__( ( ( s0 /usr/lib/python2.6/site-packages/yum/sqlutils.pyR s s
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t d n | d j o | i | n | S( s String tokenizer
This function tokenizes a string while taking quotation and
escaping into account.
>>> import dhm.strtools
>>> dhm.strtools.Tokenize("this is a test")
['this', 'is', 'a', 'test']
>>> dhm.strtools.Tokenize("this "is a" test")
['this', 'is a', 'test']
>>> dhm.strtools.Tokenize("this \"is\" a test")
['this', '"is"', 'a', 'test']
>>> dhm.strtools.Tokenize("this "is a test")
Traceback (most recent call last):
File "<stdin>", line 1, in ?
File "/usr/local/lib/python2.2/site-packages/dhm/strtools.py", line 80, in Tokenize
raise TokenizeError, "Unexpected end of string in quoted text"
dhm.strtools.TokenizeError: Unexecpted end of string in quoted text
@param str: string to tokenize
@type str: string
@param whitespace: whitespace characters seperating tokens
@type whitespace: string
@param quotes: legal quoting characters
@type quotes: string
@param escapes: characters which can escape quoting characters
@type escapes: string
@return: list of tokens
@rtype: sequence of strings
i i s Unexpected end of strings' Unexpected end of string in quoted textN( t Nonet appendt
IndexErrorR ( t strt
whitespacet quotest escapest buffert tokenst curtokent quote( ( s0 /usr/lib/python2.6/site-packages/yum/sqlutils.pyt Tokenize s@
c C s t | d d } g } d } x | D] } | i d o' | i | d d | | d 7} q% | i d p | i d o; | d d | } | | d 7} | i | | d 7} q% | i | q% Wh } d } x& | D] } | | d
| <| d 7} q Wd i | | f S( s Convert from qmark to pyformat parameter style.
The python DB-API 2.0 specifies four different possible parameter
styles that can be used by drivers. This function converts from the
qmark style to pyformat style.
@param query: SQL query to transform
@type query: string
@param params: arguments to query
@type params: sequence of strings
@return: converted query and parameters
@rtype: tuple with the new command and a dictionary of arguments
R t 'i t ?is %%(param%d)ss ?,s ?)is param%dt ( R t endswithR t join( t queryt paramsR t outputt countt tokent ntokent dictt param( ( s0 /usr/lib/python2.6/site-packages/yum/sqlutils.pyt QmarkToPyformatg s*
c C sL | d j o | i | S| i } t | | \ } } | i | | S( s
Execute a python < 2.5 (external sqlite module) style query.
@param cursor: A sqlite cursor
@param query: The query to execute
@param params: An optional list of parameters to the query
N( R t executet stripR ( t cursorR R t qt p( ( s0 /usr/lib/python2.6/site-packages/yum/sqlutils.pyt executeSQLPyFormat s
c C s+ | d j o | i | S| i | | S( s
Execute a python 2.5 (sqlite3) style query.
@param cursor: A sqlite cursor
@param query: The query to execute
@param params: An optional list of parameters to the query
N( R R ( R R R ( ( s0 /usr/lib/python2.6/site-packages/yum/sqlutils.pyt executeSQLQmark s
i i c C sj d } d | j p
d | j o@ d } | i d d } | i d d } | i d d } n | | f S( s< Apply SQLite escaping, if needed. Returns pattern and esc. t t _t %s ESCAPE "!"t !s !!s !%s !_( t replace( t patternt esc( ( s0 /usr/lib/python2.6/site-packages/yum/sqlutils.pyt sql_esc s c C sv g } xi | D]a } d | j o g St | \ } } | i d d } | i d d } | i | | f q
W| S( sZ Converts patterns to SQL LIKE format, if required (or gives up if
not possible). t [t *R' R R& ( R, R) R ( t patternst retR* R+ ( ( s0 /usr/lib/python2.6/site-packages/yum/sqlutils.pyt sql_esc_glob s
( R t sqlite3t sqlitet ImportErrort ExceptionR R R R R# R$ t version_infot
executeSQLR, R1 ( ( ( s0 /usr/lib/python2.6/site-packages/yum/sqlutils.pyt <module> s H &
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