alchemist_client

#!/usr/bin/env python
from __future__ import print_function
import os, sys, getopt
from alchemist import AlchemistClient

debug = False

read_stdin = vars(__builtins__).get('raw_input',input)

def alchemist_help():
    return """Usage: alchemist_client -c <command> -t <command_type> -d <working_directory> -a <alchemist_script>

    a client that talks to alchemist_server through network socket

    Options:
    -c, --command=""           Command that is going to be sent to alchemist server if nothing is provided read a line from STDIN
    -t, --command-type=""      Command type, if it's not provided, extract it from command
    -d, --directory=           Directory that alchemist server should process code from
    -a, --alchemist-server=""  Path to alchemist server `run.exs`, if it's not provided load it from alchemist-server/run.exs
    -s, --source=""            Path to source code for Erlang and Elixir. It's used to find the path in DEFLX command
    --colors=true              Enable/Disable ansi
    """

def main(argv):
    cmd_type = ""
    cmd = ""
    cwd = ""
    alchemist_script = ""
    ansi = True
    source = ""
    try:
        opts, args = getopt.getopt(argv,"hc:t:d:a:s:",["type=","command-type=", "directory=", "alchemist-server=", "colors=", "source="])
    except getopt.GetoptError:
        print(alchemist_help())
        sys.exit(2)
    for opt, arg in opts:
        if opt == '-h':
            print(alchemist_help())
            sys.exit()
        elif opt in ("-c", "--command"):
            cmd = arg
        elif opt in ("-t", "--command-type"):
            cmd_type = arg
        elif opt in ("-d", "--directory"):
            cwd = arg
        elif opt in ("-a", "--alchemist-server"):
            alchemist_script = arg
        elif opt in ("-s", "--source"):
            source = arg
        elif opt in ("--colors"):
            if arg == "false":
                ansi = False
    if os.path.exists(cwd.strip()) == False:
        raise Exception("working directory [%s] doesn't exist" % cwd)
    cwd = os.path.abspath(cwd)
    if cmd == "":
        cmd = read_stdin()
    if alchemist_script == "":
        alchemist_script = "%s/alchemist-server/run.exs" % where_am_i()
    if cmd_type == "":
        cmd_type = cmd.split(" ")[0]

    if cmd == "" or cmd_type == "" or alchemist_script == "" or cwd == "":
        print("Invalid command, alchemist_script or working directory")
        print(alchemist_help())
        sys.exit(2)

    a = AlchemistClient(debug=debug, cwd=cwd, ansi=ansi, alchemist_script=alchemist_script, source=source)
    print(a.process_command(cmd), end="")


def where_am_i():
    return os.path.dirname(os.path.realpath(__file__))


if __name__ == "__main__":
    main(sys.argv[1:])