def load_env():
    """
    Load .env file to the environment
    """
    try:
        with open('.env') as f:
            content = f.read()
    except __HOLE__:
        content = ''

    for line in content.splitlines():
        m1 = re.match(r'\A([A-Za-z_0-9]+)=(.*)\Z', line)
        if m1:
            key, val = m1.group(1), m1.group(2)
            m2 = re.match(r"\A'(.*)'\Z", val)
            if m2:
                val = m2.group(1)
            m3 = re.match(r'\A"(.*)"\Z', val)
            if m3:
                val = re.sub(r'\\(.)', r'\1', m3.group(1))
            os.environ.setdefault(key, val)
dataset/ETHPy150Open djng/djng/server/manage.py/load_env