"""
  Cantera provides capabilities for simulating problems involving
  chemical kinetics and transport processes.
"""

import types
from constants import *
from exceptions import *
from gases import *
from set import set
from importFromFile import *

from mixture import Mixture
from num import *

def writeCSV(f, list):
    """
    Write list items to file 'f' in
    comma-separated-value format.  Strings will be written as-is, and
    other types of objects will be converted to strings and then
    written. Each call to writeCSV writes one line of the file.
    """
    for item in list:
        if type(item) == types.StringType:
            f.write(item+', ')
        else:
            f.write(`item`+', ')
            
    f.write('\n')


def table(keys, values):
    """Create a map with the keys and values specified."""
    x = {}
    pairs = map(None, keys, values)
    for p in pairs:
        k, v = p
        x[k] = v
    return x

def getCanteraError():
    """Return the Cantera error message, if any."""
    import _cantera
    return _cantera.get_Cantera_Error() 

def refCount(a):
    """Return the reference count for an object."""
    import _cantera
    return _cantera.ct_refcnt(a)

def addDirectory(dir):
    """Add a directory to search for Cantera data files."""
    import _cantera
    return _cantera.ct_addDirectory(dir)