wow, Thanks alex, this rocks really, [ i am new to OOP style in python] I am trying to implement it on similar lines, I`ll comeback if I encounter any trouble.
thanks again -Jiro Paul McGuire wrote: > <[EMAIL PROTECTED]> wrote in message > news:[EMAIL PROTECTED] > > Hi all > > I am a newbie and I just saw a ongoing thread on Fileprocessing which > > talks abt config parser. > > I have writen many pyhton program to parse many kind of text files by > > using string module and regex. But after reading that config parser > > thread I feel stunned. > > > > Can somebody tell me some intro info how to parse huge data (most of > > them are input data to application softwares like nastran, abaqus etc) > > > > Recently I saw a great work by John on Nastran file parser (i am still > > trying to understand the program, > > http://jrfonseca.dyndns.org/svn/phd/python/Data/Nastran/ > > > > An example of dat may be like this, (part of) > > (say point id coordinateSysNo x,y,z ...) > > GRID 1 12478.0 0.0 256.75 1 > > GRID 2 12357.25 0.0 256.75 1 > > GRID 3 12357.25 0.0 199.0 1 > > (say Elementtype id property point1 point 2 point3 point4 etc) > > CQUAD4 7231 21 5691 5700 5701 56920.0 > > > > CQUAD4 7232 21 5692 5701 5702 56930.0 > > > > CQUAD4 7233 21 5693 5702 5703 56940.0 > > > > the data file is very complex if i consider all complexities) > > > > Is is possible to use config parser module insome way for this. I also > > have few perl parser (for some part for some particular tasks) and now > > changing them to python. (I feel perl regex combination is very easy to > > learn and very powerfull) > > > > Any information will be appreciated. > > > > -jiro > > > > Here's some sample code that might give you some ideas. > > -- Paul > > > data = """\ > GRID 1 12478.0 0.0 256.75 1 > GRID 2 12357.25 0.0 256.75 1 > GRID 3 12357.25 0.0 199.0 1 > CQUAD4 7231 21 5691 5700 5701 56920.0 > CQUAD4 7232 21 5692 5701 5702 56930.0 > CQUAD4 7233 21 5693 5702 5703 56940.0 > """ > > class Node(object): > def __init__(self,s): > self.__dict__.update( zip(self.getInitVarNames(), s.split()) ) > > def __str__(self): > return "%s %s" % (self.__class__.__name__, self.__dict__) > > class GridNode(Node): > def getInitVarNames(self): > return "id,x,y,z,other".split(',') > > class Cquad4Node(Node): > def getInitVarNames(self): > return "id,p1,p2,p3,p4,other".split(',') > > > # define mapping of leading keyword to class name > typeNodeClassMap = { > "GRID" : GridNode, > "CQUAD4" : Cquad4Node, > } > > def makeNode(s): > nodeType,nodeArgs = s.split(" ",1) > nodeClass = typeNodeClassMap[nodeType] > return nodeClass( nodeArgs ) > > for line in data.split("\n"): > if line: > n = makeNode(line) > print n -- http://mail.python.org/mailman/listinfo/python-list
