import os

import sys

extra_env = None

if system_str == 'Darwin':

    extra_env = {'STATIC_DEPS': 'true', 'LIBXML2_VERSION': '2.9.2', 'LIBXSLT_VERSION': '1.1.28', 'LIBICONV_VERSION': '1.14'}

    if os.path.exists('/usr/local/opt/xz'):

        if not os.path.exists('/usr/local/opt/libxml2'):

            sys.exit("You have installed xz with Homebrew but do not have libxml2 installed with Homebrew. Install libxml2 with Homebrew and try again.")

        extra_env = {'LDFLAGS': '-L/usr/local/opt/libxml2/lib', 'CPPFLAGS': '-I/usr/local/opt/libxml2/include'}

INSTALLS = [  # (key,method, option_str, dict_extra_env)

    {

        'requirement':'requirements.txt',

        'install': {

            'option_str': None,

            'dict_extra_env': extra_env

        }

    },

#    'LXML',

#    'SIMPLEJSON',

#    'PSYCOPG2',

#    'PIL', 

#    'DJANGO',

#    'DJANGO-EXTENSIONS',

#    'DJANGO-REGISTRATION',

#    'DJANGO-TAGGIT',

#    'DJANGO-TAGGIT-TEMPLATETAGS',

#    'HTTPLIB2',

#    'OAUTH2',

#    'OAUTHLIB',

#    'SETUPTOOLS_HG',

#    'DJANGO-OAUTH-PLUS',

#    'OPENID',

#    'SOCIAL_AUTH',

#    'DJANGO_GUARDIAN',

#    'SORL_THUMBNAIL',

#    'HAYSTACK',

#    'URLLIB3',

#    'REQUESTS',

#    'ELASTICSEARCH',

#    'PYELASTICSEARCH',

#    'WHOOSH',

#    'MIMEPARSE',

#    'SIX',

#    'PYTHON-DATEUTIL',

#    'PYYAML',

#    'PYTHON-DIGEST',

#    'DEFUSEDXML',

#    'DJANGO-TASTYPIE',

#    'DJANGO-CORS-HEADERS',

#    'DJANGO-CHUNCKED-UPLOADS',

#    'PYJWT',

#    'DJANGO-TEMPLATETAG-SUGAR',

#    'PYTHON-MIMEPARSE',

#    'REQUESTS-OAUTHLIB',

#    'SOUTH,

OPTIONS_TO_ADD = {'type_install': 'local', 'unzip_setuptools': True}

def generate_install_methods(path_locations, src_base, run_base, Logger, call_subprocess):    

    return lib_generate_install_methods(path_locations, src_base, run_base, Logger, call_subprocess, INSTALLS, OPTIONS_TO_ADD)