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python Programming Glossary: pyparsing

Pyparsing: extract variable length, variable content, variable whitespace substring

http://stackoverflow.com/questions/10855951/pyparsing-extract-variable-length-variable-content-variable-whitespace-substr

we're looking at upwards of a thousand cases. I am using pyparsing because I'm learning python and have no fond memories of my.. through various problem sets. I have reviewed numerous pyparsing related questions on this forum the pyparsing wiki and I bought.. numerous pyparsing related questions on this forum the pyparsing wiki and I bought and read Mr McGuire's Getting Started with..

Matching Nested Structures With Regular Expressions in Python

http://stackoverflow.com/questions/1099178/matching-nested-structures-with-regular-expressions-in-python

is a very nice package for this type of thing from pyparsing import nestedExpr data a c b d e print nestedExpr .parseString..

Parsing SQL with Python

http://stackoverflow.com/questions/1394998/parsing-sql-with-python

Update I implemented a simple SQL parser using pyparsing. Combined with Python code that implement the relational operations.. This is probably a lot of work. python sql parsing pyparsing share improve this question I have looked into this issue.. I tryed booleneo a boolean expression parser written with pyparsing but ended up using pyparsing from scratch. The first link in..

How can a recursive regexp be implemented in python?

http://stackoverflow.com/questions/1656859/how-can-a-recursive-regexp-be-implemented-in-python

recursion share improve this question You could use pyparsing # usr bin env python from pyparsing import nestedExpr import.. You could use pyparsing # usr bin env python from pyparsing import nestedExpr import sys astring sys.argv 1 if not astring.startswith..

Evaluating a mathematical expression in a string

http://stackoverflow.com/questions/2371436/evaluating-a-mathematical-expression-in-a-string

for easier reuse. from __future__ import division from pyparsing import Literal CaselessLiteral Word Combine Group Optional .. 0.0 ' __date__ ' Date 2009 03 20 ' __source__ '''http pyparsing.wikispaces.com file view fourFn.py http pyparsing.wikispaces.com.. '''http pyparsing.wikispaces.com file view fourFn.py http pyparsing.wikispaces.com message view home 15549426 ''' __note__ ''' All..

Parsing S-Expressions in Python

http://stackoverflow.com/questions/3182594/parsing-s-expressions-in-python

python s expression share improve this question pyparsing comes with an S expression parser as an example see here . ..

Python: make eval safe

http://stackoverflow.com/questions/3513292/python-make-eval-safe

and comfortable with the classic lexx yacc approach or pyparsing for a possibly more Pythonic approach. share improve this answer..

Safe expression parser in Python

http://stackoverflow.com/questions/3582403/safe-expression-parser-in-python

examples page lists several expression parsers http pyparsing.wikispaces.com file view fourFn.py A conventional arithmetic.. infix notation parser evaluator implementation using pyparsing despite its name this actually does 5 function arithmetic plus.. 5 function arithmetic plus several trig functions http pyparsing.wikispaces.com file view simpleBool.py A boolean infix notation..

Python regexes: How to access multiple matches of a group?

http://stackoverflow.com/questions/5060659/python-regexes-how-to-access-multiple-matches-of-a-group

Pyparsing: extract variable length, variable content, variable whitespace substring

http://stackoverflow.com/questions/10855951/pyparsing-extract-variable-length-variable-content-variable-whitespace-substr

extract variable length variable content variable whitespace.. and I bought and read Mr McGuire's Getting Started with Pyparsing. Perhaps I am asking a question when I should really be told..

Parse an HTTP request Authorization header with Python

http://stackoverflow.com/questions/1349367/parse-an-http-request-authorization-header-with-python

doing this on Google App Engine and I'm not sure if the Pyparsing library is available but maybe I could include it with my app..

Parsing SQL with Python

http://stackoverflow.com/questions/1394998/parsing-sql-with-python

there other tools libraries I should look into Like PLY or Pyparsing . Pointers to articles books or source code that will help me.. uses it but I have not looked at the source to see how. Pyparsing is very easy to use and you can very easily customize it to..

Stack Overflow when Pyparsing Ada 2005 Scoped Identifiers using Reference Manual Grammar

http://stackoverflow.com/questions/15438015/stack-overflow-when-pyparsing-ada-2005-scoped-identifiers-using-reference-manual

Overflow when Pyparsing Ada 2005 Scoped Identifiers using Reference Manual Grammar .. I'm currently implementing an Ada 2005 parser using Pyparsing and the reference manual grammar rules. We need this in order.. the end of name alternatives...but then I instead get an Pyparsing infinite recursion and Python spits out maximum recursion depth..

Mini-languages in Python

http://stackoverflow.com/questions/1547782/mini-languages-in-python

for your input python dsl share improve this question Pyparsing is handy for writing little languages . I gave a presentation..

Evaluating a mathematical expression in a string

http://stackoverflow.com/questions/2371436/evaluating-a-mathematical-expression-in-a-string

in a string python math share improve this question Pyparsing can be used to parse mathematical expressions. In particular..

Safe expression parser in Python

http://stackoverflow.com/questions/3582403/safe-expression-parser-in-python

python parsing share improve this question The Pyparsing examples page lists several expression parsers http pyparsing.wikispaces.com..

Efficient Context-Free Grammar parser, preferably Python-friendly

http://stackoverflow.com/questions/4543008/efficient-context-free-grammar-parser-preferably-python-friendly

share improve this question By all means take a look at Pyparsing . It's the most pythonic implementations of parsing I've come..

Python parser Module tutorial

http://stackoverflow.com/questions/5359260/python-parser-module-tutorial

which can allow me to keep the existing grammar and use Pyparsing as a replacement for lex yacc. However I am curious to learn..