import os

from mypy_extensions import TypedDict

Environment = TypedDict(
    "Environment",
    {
        "media_url": str,
        "datastore_reader_url": str,
        "datastore_writer_url": str,
        "vote_url": str,
    },
)

DEFAULTS = {
    "MEDIA_PROTOCOL": "http",
    "MEDIA_HOST": "localhost",
    "MEDIA_PORT": "9006",
    "MEDIA_PATH": "/internal/media",
    "DATASTORE_READER_PROTOCOL": "http",
    "DATASTORE_READER_HOST": "localhost",
    "DATASTORE_READER_PORT": "9010",
    "DATASTORE_READER_PATH": "/internal/datastore/reader",
    "DATASTORE_WRITER_PROTOCOL": "http",
    "DATASTORE_WRITER_HOST": "localhost",
    "DATASTORE_WRITER_PORT": "9011",
    "DATASTORE_WRITER_PATH": "/internal/datastore/writer",
    "VOTE_PROTOCOL": "http",
    "VOTE_HOST": "vote",
    "VOTE_PORT": "9013",
    "VOTE_PATH": "/internal/vote",
}


def get_environment() -> Environment:
    """
    Parses environment variables and sets their defaults if they do not exist.
    """
    return Environment(
        media_url=get_endpoint("MEDIA"),
        datastore_reader_url=get_endpoint("DATASTORE_READER"),
        datastore_writer_url=get_endpoint("DATASTORE_WRITER"),
        vote_url=get_endpoint("VOTE"),
    )


def get_endpoint(service: str) -> str:
    parts = {}
    for suffix in ("PROTOCOL", "HOST", "PORT", "PATH"):
        variable = "_".join((service, suffix))
        value = os.environ.get(variable)
        if value is None:
            default = DEFAULTS.get(variable)
            if default is None:
                raise ValueError(f"Environment variable {variable} does not exist.")
            parts[suffix] = default
        else:
            parts[suffix] = value
    return f"{parts['PROTOCOL']}://{parts['HOST']}:{parts['PORT']}{parts['PATH']}"

2a629ed97a328010d591a3349dc155de87463a03
<mask token>


def get_endpoint(service: str) ->str:
    parts = {}
    for suffix in ('PROTOCOL', 'HOST', 'PORT', 'PATH'):
        variable = '_'.join((service, suffix))
        value = os.environ.get(variable)
        if value is None:
            default = DEFAULTS.get(variable)
            if default is None:
                raise ValueError(
                    f'Environment variable {variable} does not exist.')
            parts[suffix] = default
        else:
            parts[suffix] = value
    return (
        f"{parts['PROTOCOL']}://{parts['HOST']}:{parts['PORT']}{parts['PATH']}"
        )

<mask token>


def get_environment() ->Environment:
    """
    Parses environment variables and sets their defaults if they do not exist.
    """
    return Environment(media_url=get_endpoint('MEDIA'),
        datastore_reader_url=get_endpoint('DATASTORE_READER'),
        datastore_writer_url=get_endpoint('DATASTORE_WRITER'), vote_url=
        get_endpoint('VOTE'))


def get_endpoint(service: str) ->str:
    parts = {}
    for suffix in ('PROTOCOL', 'HOST', 'PORT', 'PATH'):
        variable = '_'.join((service, suffix))
        value = os.environ.get(variable)
        if value is None:
            default = DEFAULTS.get(variable)
            if default is None:
                raise ValueError(
                    f'Environment variable {variable} does not exist.')
            parts[suffix] = default
        else:
            parts[suffix] = value
    return (
        f"{parts['PROTOCOL']}://{parts['HOST']}:{parts['PORT']}{parts['PATH']}"
        )

<mask token>
Environment = TypedDict('Environment', {'media_url': str,
    'datastore_reader_url': str, 'datastore_writer_url': str, 'vote_url': str})
DEFAULTS = {'MEDIA_PROTOCOL': 'http', 'MEDIA_HOST': 'localhost',
    'MEDIA_PORT': '9006', 'MEDIA_PATH': '/internal/media',
    'DATASTORE_READER_PROTOCOL': 'http', 'DATASTORE_READER_HOST':
    'localhost', 'DATASTORE_READER_PORT': '9010', 'DATASTORE_READER_PATH':
    '/internal/datastore/reader', 'DATASTORE_WRITER_PROTOCOL': 'http',
    'DATASTORE_WRITER_HOST': 'localhost', 'DATASTORE_WRITER_PORT': '9011',
    'DATASTORE_WRITER_PATH': '/internal/datastore/writer', 'VOTE_PROTOCOL':
    'http', 'VOTE_HOST': 'vote', 'VOTE_PORT': '9013', 'VOTE_PATH':
    '/internal/vote'}


def get_environment() ->Environment:
    """
    Parses environment variables and sets their defaults if they do not exist.
    """
    return Environment(media_url=get_endpoint('MEDIA'),
        datastore_reader_url=get_endpoint('DATASTORE_READER'),
        datastore_writer_url=get_endpoint('DATASTORE_WRITER'), vote_url=
        get_endpoint('VOTE'))


def get_endpoint(service: str) ->str:
    parts = {}
    for suffix in ('PROTOCOL', 'HOST', 'PORT', 'PATH'):
        variable = '_'.join((service, suffix))
        value = os.environ.get(variable)
        if value is None:
            default = DEFAULTS.get(variable)
            if default is None:
                raise ValueError(
                    f'Environment variable {variable} does not exist.')
            parts[suffix] = default
        else:
            parts[suffix] = value
    return (
        f"{parts['PROTOCOL']}://{parts['HOST']}:{parts['PORT']}{parts['PATH']}"
        )

import os
from mypy_extensions import TypedDict
Environment = TypedDict('Environment', {'media_url': str,
    'datastore_reader_url': str, 'datastore_writer_url': str, 'vote_url': str})
DEFAULTS = {'MEDIA_PROTOCOL': 'http', 'MEDIA_HOST': 'localhost',
    'MEDIA_PORT': '9006', 'MEDIA_PATH': '/internal/media',
    'DATASTORE_READER_PROTOCOL': 'http', 'DATASTORE_READER_HOST':
    'localhost', 'DATASTORE_READER_PORT': '9010', 'DATASTORE_READER_PATH':
    '/internal/datastore/reader', 'DATASTORE_WRITER_PROTOCOL': 'http',
    'DATASTORE_WRITER_HOST': 'localhost', 'DATASTORE_WRITER_PORT': '9011',
    'DATASTORE_WRITER_PATH': '/internal/datastore/writer', 'VOTE_PROTOCOL':
    'http', 'VOTE_HOST': 'vote', 'VOTE_PORT': '9013', 'VOTE_PATH':
    '/internal/vote'}


def get_environment() ->Environment:
    """
    Parses environment variables and sets their defaults if they do not exist.
    """
    return Environment(media_url=get_endpoint('MEDIA'),
        datastore_reader_url=get_endpoint('DATASTORE_READER'),
        datastore_writer_url=get_endpoint('DATASTORE_WRITER'), vote_url=
        get_endpoint('VOTE'))


def get_endpoint(service: str) ->str:
    parts = {}
    for suffix in ('PROTOCOL', 'HOST', 'PORT', 'PATH'):
        variable = '_'.join((service, suffix))
        value = os.environ.get(variable)
        if value is None:
            default = DEFAULTS.get(variable)
            if default is None:
                raise ValueError(
                    f'Environment variable {variable} does not exist.')
            parts[suffix] = default
        else:
            parts[suffix] = value
    return (
        f"{parts['PROTOCOL']}://{parts['HOST']}:{parts['PORT']}{parts['PATH']}"
        )

import os

from mypy_extensions import TypedDict

Environment = TypedDict(
    "Environment",
    {
        "media_url": str,
        "datastore_reader_url": str,
        "datastore_writer_url": str,
        "vote_url": str,
    },
)

DEFAULTS = {
    "MEDIA_PROTOCOL": "http",
    "MEDIA_HOST": "localhost",
    "MEDIA_PORT": "9006",
    "MEDIA_PATH": "/internal/media",
    "DATASTORE_READER_PROTOCOL": "http",
    "DATASTORE_READER_HOST": "localhost",
    "DATASTORE_READER_PORT": "9010",
    "DATASTORE_READER_PATH": "/internal/datastore/reader",
    "DATASTORE_WRITER_PROTOCOL": "http",
    "DATASTORE_WRITER_HOST": "localhost",
    "DATASTORE_WRITER_PORT": "9011",
    "DATASTORE_WRITER_PATH": "/internal/datastore/writer",
    "VOTE_PROTOCOL": "http",
    "VOTE_HOST": "vote",
    "VOTE_PORT": "9013",
    "VOTE_PATH": "/internal/vote",
}


def get_environment() -> Environment:
    """
    Parses environment variables and sets their defaults if they do not exist.
    """
    return Environment(
        media_url=get_endpoint("MEDIA"),
        datastore_reader_url=get_endpoint("DATASTORE_READER"),
        datastore_writer_url=get_endpoint("DATASTORE_WRITER"),
        vote_url=get_endpoint("VOTE"),
    )


def get_endpoint(service: str) -> str:
    parts = {}
    for suffix in ("PROTOCOL", "HOST", "PORT", "PATH"):
        variable = "_".join((service, suffix))
        value = os.environ.get(variable)
        if value is None:
            default = DEFAULTS.get(variable)
            if default is None:
                raise ValueError(f"Environment variable {variable} does not exist.")
            parts[suffix] = default
        else:
            parts[suffix] = value
    return f"{parts['PROTOCOL']}://{parts['HOST']}:{parts['PORT']}{parts['PATH']}"
