#!/usr/bin/env python
"""The xonsh installer."""
from __future__ import print_function, unicode_literals
import os
import sys
try:
    from setuptools import setup
    HAVE_SETUPTOOLS = True
except ImportError:
    from distutils.core import setup
    HAVE_SETUPTOOLS = False

VERSION = '0.1'

TABLES = ['xonsh/lexer_table.py', 'xonsh/parser_table.py']

def clean_tables():
    for f in TABLES:
        if os.path.isfile(f):
            os.remove(f)
            print('Remove ' + f)

def build_tables():
    print('Building lexer and parser tables.')
    sys.path.insert(0, os.path.dirname(__file__))
    from xonsh.parser import Parser
    Parser(lexer_table='lexer_table', yacc_table='parser_table',
           outputdir='xonsh')
    sys.path.pop(0)

def main():
    clean_tables()
    build_tables()
    with open('readme.rst', 'r') as f:
        readme = f.read()
    skw = dict(
        name='xonsh',
        description='an exotic, usable shell',
        long_description=readme,
        license='BSD',
        version=VERSION,
        author='Anthony Scopatz',
        maintainer='Anthony Scopatz',
        author_email='scopatz@gmail.com',
        url='https://github.com/scopatz/xonsh',
        platforms='Cross Platform',
        classifiers = ['Programming Language :: Python :: 3'],
        packages=['xonsh'],
        scripts=['scripts/xonsh'],
        )
    setup(**skw)

if __name__ == '__main__':
    main()