venvを使ってPythonの環境をローカルに構築して、VSCodeで開くツール。http://qiita.com/KoheiKanagu/items/752c64aeeb154970d22e

pset.py

import argparse
import os.path
import subprocess

parser = argparse.ArgumentParser(
    description="This script deitals : http://qiita.com/KoheiKanagu/items/752c64aeeb154970d22e"
)

parser.add_argument(
    "--init",
    action="store_true",
    help="Initialize Python virtual environment"
)

parser.add_argument(
    "-i", "--install",
    action="store_true",
    help="Install packages from \"requirements.txt\""
)

parser.add_argument(
    "-s", "--sync",
    action="store_true",
    help="Sync packages using of pip-compile and pip-sync"
)

parser.add_argument(
    "-c", "--code",
    action="store_true",
    help="Open VSCode at virtual environment"
)

args = parser.parse_args()


def exists(path) -> bool:
    if not os.path.exists(path):
        print(path, "Not found.")
        return False
    return True


def exists_env_dir()-> bool:
    return exists(".env")


def exists_requirements()-> bool:
    return exists("requirements.in")


def arg_init():
    if exists_env_dir():
        print("\".env\" is exist.")
        return

    print("Initializing venv...")
    subprocess.run(["bash", "-c",
                    "python3 -m venv .env"])
    print("Initialized \".env\"")

    print("Install pip-tools")
    subprocess.run(["bash", "-c",
                    "source .env/bin/activate && pip install pip-tools"])

    if not exists_requirements():
        subprocess.run(["bash", "-c",
                        "echo pip-tools >> requirements.in"])
        print("Initialized \"requirements.in\"")

    print("Done")


if args.init:
    arg_init()


def arg_install():
    if not exists_env_dir() or not exists_requirements():
        return

    print("Install packages.")
    subprocess.run(["bash", "-c",
                    "source .env/bin/activate && pip install -r requirements.txt"])


if args.install:
    arg_install()


def arg_sync():
    if not exists_env_dir():
        return

    if not exists_requirements():
        open("requirements.in", "w").close

    print("Checking the packages version...")
    subprocess.run(["bash", "-c",
                    "source .env/bin/activate && pip-compile requirements.in"])

    print("Install packages.")
    subprocess.run(["bash", "-c",
                    "source .env/bin/activate && pip-sync requirements.txt"])


if args.sync:
    arg_sync()


def arg_code():
    if not exists_env_dir():
        return
    subprocess.run(["bash", "-c",
                    "source .env/bin/activate && code ./"])


if args.code:
    arg_code()