#!/usr/bin/env python 

# this file is automatically generated as a part of the build
# procedure.  All edits will be lost!


from distutils.core import *
from string import split
import re

def ReadSetup(filename):
      """ReadSetup goes through filename (default, setup.txt), and parses
      out the values stored in the file.  Values need to be stored in a
      \"key=value format\""""

      #return val
      opts = {}
      
      fh = open(filename, 'r')
      reobj = re.compile(r"([a-z]+)=(.+)")
      for line in (fh.readlines()):
            matchobj = reobj.search(line)
            
            if(matchobj == None):
                  raise "Error:  syntaxt error in setup.txt line: %s"%line

            lab,val = (matchobj.groups())
            opts[lab] = val
      return opts

          
def ParseCPPFlags(str):
      """parse the CPPFlags macro"""
      incl_dir = []
      cppflags = []
      
      tokens = split(str)
      # go through the list of compile flags.  treat search path args
      # specially; otherwise just add to "extra_compile_args"
      for tok in (tokens):
            if(tok[0:2] == "-I"):
                  incl_dir.append(tok[2:])
                  continue
            else:
                  cppflags.append(tok)
      
      return(incl_dir, cppflags)

def ParseLDFlags(str):
      """parse the global LDFlags macro"""
      lib_dir = []

      tokens = split(str)
      # go through the list of link flags.  treat search path args
      # specially; discard the rest
      for tok in (tokens):
            if(tok[0:2] == "-L"):
                  lib_dir.append(tok[2:])
                  continue
      
      return(lib_dir)


def ParseLibs(str):
      """parse the list of extra libraries"""
      libs = []
      
      tokens = split(str)
      # go through the list of libs
      for tok in (tokens):
            if(tok[0:2] == "-l"):
                  libs.append(tok[2:])
                  continue
      
      return(libs)

def RunSetup(incldir, cppflags, ldflags, libdir):
      setup(name="uff",
            version="1.0",
            author="David L Norris",
            author_email="dave@webaugur.com",
            description="SWISH-E Search Library",
            py_modules=["swish"],
            ext_modules=[
                  Extension("_swish",
                            ["swish_wrap.c",
                             ],
                            extra_compile_args=cppflags,
                            include_dirs=incldir,
                            libraries=libs,
                            library_dirs=ldflags 
                           )
                  ]
            )

if __name__ == "__main__":
      opts = ReadSetup("setup.txt")
      incldir, cppflags = ParseCPPFlags(opts["includes"])
      ldflags = ParseLDFlags(opts["ldflags"])
      libs = ParseLibs(opts["libs"])
      RunSetup(incldir, cppflags, ldflags, libs)