from fabric.api import task, env, sudo

from fablib import (export_version, do_sync_web, create_config, 

    clean_export_folder, sync_install_build, do_create_virtualenv, 

    clean_rsync_folder, rsync_export, do_relaunch_server)

from fabric.colors import green

import imp

import os.path

import config

@task

def relaunch_server(do_collectstatic=True, do_syncdb=True):

    print("Relaunch server")

    do_relaunch_server(do_collectstatic, do_syncdb)

@task

def sync_web(version):

    print(green("sync web with version %s" % version))

    export_path = export_version(web=version)

    export_path_full = os.path.join(export_path,'web')

    do_sync_web(version, export_path_full)

    create_config(export_path_full)

    clean_export_folder(export_path)

    relaunch_server()

@task

def update_lib(version, package):

    print(green("update %s with version %s" % (package,version)))

    export_path = export_version(web=version)

    export_path_full = os.path.join(export_path,'web')

    lib_path = os.path.join(export_path_full, "virtualenv", "res", "lib")

    f, pathname, description = imp.find_module("patch", [lib_path])

    imp.load_module("patch", f, pathname, description)

    f, pathname, description = imp.find_module("lib_create_env", [lib_path])

    lib_create_env = imp.load_module("lib_create_env", f, pathname, description)

    package_path_full = os.path.join(export_path_full, "virtualenv", "res", "src", lib_create_env.URLS[package]['local'])

    sync_install_build(package_path_full)

    clean_export_folder(export_path)

    relaunch_server()

@task

def create_virtualenv(version):

    print(green("create virtualenv with version %s" % version))

    export_path = export_version(web=version)

    export_path_web = os.path.join(export_path,'web')

    venv_remote_export_path = ""

    try:

        virtualenv_path = os.path.join(export_path_web, "virtualenv")

        venv_remote_export_path = os.path.join(env.remote_path['venv_export'], env.export_prefix, version,"virtualenv")

        rsync_export(virtualenv_path, venv_remote_export_path, env.rsync_filters['venv'])

        do_create_virtualenv(venv_remote_export_path, env.remote_path['virtualenv'])

    finally:

        clean_export_folder(export_path)

        if venv_remote_export_path:

            clean_rsync_folder(venv_remote_export_path)