#-*- coding: utf-8
import fileinput
import os


def parse_config_file(config_file, configs, encoding='utf-8'):
    if not os.path.exists(config_file):
        print u"Config file <{0}> not exists".format(config_file)
        return False
    if isinstance(config_file, str):
        config_file = config_file.decode(encoding)

    lineno = 0
    for line in fileinput.input(config_file):
        lineno += 1
        line = line.strip(' ').rstrip('\n').rstrip('\r')
        line = line.decode(encoding)
        if not line:
            continue
        if line.startswith('#'):
            # is comment
            continue
        cfg = line.partition('=')
        if not cfg[1]:
            raise ValueError(u"Config file line %d error" % lineno)
        configs[cfg[0].strip(' ')] = cfg[2].lstrip(' ')
    return True