import sys

import os

import os.path

import shutil

import tarfile

import zipfile

import urllib

import platform

import patch

import logging

class ResourcesEnv(object):

    def __init__(self, src_base):

        self.src_base = src_base

        self.URLS = {}

        self.__init_url()

        self.NORMAL_INSTALL = []

        self.__init_normal_install()

    def get_src_base_path(self, fpath):

        return os.path.abspath(os.path.join(self.src_base, fpath)).replace("\\","/")

    def __add_package_def(self, key, setup, url, local):

        self.URLS[key] = {'setup':setup, 'url':url, 'local':self.get_src_base_path(local)}

    def __init_url(self):

        self.__add_package_def('DISTRIBUTE', setup='distribute', url='http://pypi.python.org/packages/source/d/distribute/distribute-0.6.14.tar.gz', local="distribute-0.6.14.tar.gz")

        self.__add_package_def('MERCURIAL', setup='mercurial', url='http://pypi.python.org/packages/source/d/mercurial/mercurial-1.7.5.tar.gz', local="mercurial-1.7.5.tar.gz")

        self.__add_package_def('SETUPTOOLS_HG', setup='mercurial_hg', url='http://pypi.python.org/packages/source/s/setuptools_hg/setuptools_hg-0.2.tar.gz', local="setuptools_hg-0.2.tar.gz")

    def __init_normal_install(self):

        system_str = platform.system()

        self.NORMAL_INSTALL = [ #(key,method, option_str, extra_env)

            ('DISTRIBUTE', 'pip', None, None),

            ('MERCURIAL', 'pip', None, None),

            ('SETUPTOOLS-HG', 'pip', None, None), 

        ]

def extend_parser(parser):

    parser.add_option(

        '--index-url',

        metavar='INDEX_URL',

        dest='index_url',

        default='http://pypi.python.org/simple/',

        help='base URL of Python Package Index')

    parser.add_option(

        '--type-install',

        metavar='type_install',

        dest='type_install',

        default='local',

        help='type install : local, url, setup')

    parser.add_option(

        '--ignore-packages',

        metavar='ignore_packages',

        dest='ignore_packages',

        default=None,

        help='list of comma separated keys for package to ignore')

def adjust_options(options, args):

    pass

def after_install(options, home_dir):

    global RES_ENV

    #global path_locations

    home_dir, lib_dir, inc_dir, bin_dir = path_locations(home_dir)

    base_dir = os.path.dirname(home_dir)

    src_dir = os.path.join(home_dir, 'src')

    tmp_dir = os.path.join(home_dir, 'tmp')

    ensure_dir(src_dir)

    ensure_dir(tmp_dir)

    system_str = platform.system()

    res_source_key = options.type_install

    ignore_packages = []

    if options.ignore_packages :

        ignore_packages = options.ignore_packages.split(",")

    logger.indent += 2

    try:

        if 'PYLUCENE' not in ignore_packages and system_str != "Windows":

            #get pylucene

            logger.notify("Get Pylucene from %s " % RES_ENV.URLS['PYLUCENE'][res_source_key])

            pylucene_src = os.path.join(src_dir,"pylucene.tar.gz")

            if res_source_key == 'local':

                shutil.copy(RES_ENV.URLS['PYLUCENE'][res_source_key], pylucene_src)

            else:

                urllib.urlretrieve(RES_ENV.URLS['PYLUCENE'][res_source_key], pylucene_src)

            tf = tarfile.open(pylucene_src,'r:gz')

            pylucene_base_path = os.path.join(src_dir,"pylucene") 

            logger.notify("Extract Pylucene to %s " % pylucene_base_path)

            tf.extractall(pylucene_base_path)

            tf.close()

            pylucene_src_path = os.path.join(pylucene_base_path, os.listdir(pylucene_base_path)[0])

            jcc_src_path = os.path.abspath(os.path.join(pylucene_src_path,"jcc"))

            #install jcc

            #patch for linux

            if system_str == 'Linux' :

                olddir = os.getcwd()

                patch_dest_path = os.path.join(lib_dir,'site-packages','setuptools-0.6c11-py'+'%s.%s' % (sys.version_info[0], sys.version_info[1])+'.egg')

                if os.path.isfile(patch_dest_path):

                    # must unzip egg

                    # rename file and etract all

                    shutil.move(patch_dest_path, patch_dest_path + ".zip")

                    zf = zipfile.ZipFile(patch_dest_path + ".zip",'r')

                    zf.extractall(patch_dest_path)

                    os.remove(patch_dest_path + ".zip")

                logger.notify("Patch jcc : %s " % (patch_dest_path))

                os.chdir(patch_dest_path)

                p = patch.fromfile(os.path.join(jcc_src_path,"jcc","patches","patch.43.0.6c11"))

                p.apply()

                os.chdir(olddir)

            logger.notify("Install jcc")

            call_subprocess([os.path.abspath(os.path.join(home_dir, 'bin', 'python')), 'setup.py', 'install'],

                            cwd=jcc_src_path,

                            filter_stdout=filter_python_develop,

                            show_stdout=True)

            #install pylucene

            logger.notify("Install pylucene")

            #modify makefile

            makefile_path = os.path.join(pylucene_src_path,"Makefile")

            logger.notify("Modify makefile %s " % makefile_path)

            shutil.move( makefile_path, makefile_path+"~" )

            destination= open( makefile_path, "w" )

            source= open( makefile_path+"~", "r" )

            destination.write("PREFIX_PYTHON="+os.path.abspath(home_dir)+"\\n")

            destination.write("ANT=ant\\n")

            destination.write("PYTHON=$(PREFIX_PYTHON)/bin/python\\n")

            if system_str == "Darwin":

                if sys.version_info >= (2,6):

                    destination.write("JCC=$(PYTHON) -m jcc.__main__ --shared --arch x86_64 --arch i386\\n")

                else:

                    destination.write("JCC=$(PYTHON) -m jcc --shared --arch x86_64 --arch i386\\n")

                destination.write("NUM_FILES=2\\n")

            elif system_str == "Windows":

                destination.write("JCC=$(PYTHON) -m jcc.__main__ --shared --arch x86_64 --arch i386\\n")

                destination.write("NUM_FILES=2\\n")

            else:

                if sys.version_info >= (2,6) and sys.version_info <= (2,7):

                    destination.write("JCC=$(PYTHON) -m jcc.__main__ --shared\\n")

                else:

                    destination.write("JCC=$(PYTHON) -m jcc --shared\\n")

                destination.write("NUM_FILES=2\\n")

            for line in source:

                destination.write( line )

            source.close()

            destination.close()

            os.remove(makefile_path+"~" )

            logger.notify("pylucene make")

            call_subprocess(['make'],

                            cwd=os.path.abspath(pylucene_src_path),

                            filter_stdout=filter_python_develop,

                            show_stdout=True)

            logger.notify("pylucene make install")

            call_subprocess(['make', 'install'],

                            cwd=os.path.abspath(pylucene_src_path),

                            filter_stdout=filter_python_develop,

                            show_stdout=True)

        if 'PSYCOPG2' not in ignore_packages and system_str == "Windows":

            #get psycopg2

            psycopg2_src = os.path.join(src_dir,"psycopg2.zip")

            shutil.copy(RES_ENV.URLS['PSYCOPG2'][res_source_key], psycopg2_src)

            #extract psycopg2

            zf = zipfile.ZipFile(psycopg2_src)

            psycopg2_base_path = os.path.join(src_dir,"psycopg2")

            zf.extractall(psycopg2_base_path)

            zf.close()

            psycopg2_src_path = os.path.join(psycopg2_base_path, os.listdir(psycopg2_base_path)[0])

            shutil.copytree(os.path.join(psycopg2_src_path, 'psycopg2'), os.path.abspath(os.path.join(home_dir, 'Lib', 'psycopg2')))

            shutil.copy(os.path.join(psycopg2_src_path, 'psycopg2-2.0.10-py2.6.egg-info'), os.path.abspath(os.path.join(home_dir, 'Lib', 'site-packages')))

        for key, method, option_str, extra_env in RES_ENV.NORMAL_INSTALL:

            if key not in ignore_packages:

                normal_install(key, method, option_str, extra_env, res_source_key, home_dir, tmp_dir)

        logger.notify("Clear source dir")

        shutil.rmtree(src_dir)

    finally:

        logger.indent -= 2

    script_dir = join(base_dir, bin_dir)

    logger.notify('Run "%s Package" to install new packages that provide builds'

                  % join(script_dir, 'easy_install'))

def normal_install(key, method, option_str, extra_env, res_source_key, home_dir, tmp_dir):

    global logger

    logger.notify("Install %s from %s with %s" % (key,RES_ENV.URLS[key][res_source_key],method))

    if method == 'pip':

        if sys.platform == 'win32':

            args = [os.path.abspath(os.path.join(home_dir, 'Scripts', 'pip')), 'install', '-E', os.path.abspath(home_dir), RES_ENV.URLS[key][res_source_key]]

        else:

            args = [os.path.abspath(os.path.join(home_dir, 'bin', 'pip')), 'install', '-E', os.path.abspath(home_dir), RES_ENV.URLS[key][res_source_key]]

        if option_str :

            args.insert(4,option_str)

        call_subprocess(args,

                cwd=os.path.abspath(tmp_dir),

                filter_stdout=filter_python_develop,

                show_stdout=True,

                extra_env=extra_env)

    else:

        if sys.platform == 'win32':

            args = [os.path.abspath(os.path.join(home_dir, 'Scripts', 'easy_install')), RES_ENV.URLS[key][res_source_key]]

        else:

            args = [os.path.abspath(os.path.join(home_dir, 'bin', 'easy_install')), RES_ENV.URLS[key][res_source_key]]

        if option_str :

            args.insert(1,option_str)

        call_subprocess(args,

                cwd=os.path.abspath(tmp_dir),

                filter_stdout=filter_python_develop,

                show_stdout=True,

                extra_env=extra_env)

def ensure_dir(dir):

    global logger

    if not os.path.exists(dir):

        logger.notify('Creating directory %s' % dir)

        os.makedirs(dir)

def filter_python_develop(line):

    global logger

    if not line.strip():

        return Logger.DEBUG

    for prefix in ['Searching for', 'Reading ', 'Best match: ', 'Processing ',

                   'Moving ', 'Adding ', 'running ', 'writing ', 'Creating ',

                   'creating ', 'Copying ']:

        if line.startswith(prefix):

            return Logger.DEBUG

    return Logger.NOTIFY