njdart/flask-game.py

## flask-game.py
from flask import Flask, request, redirect
from uuid import uuid4

app = Flask(__name__)

# TODO: persist to disk
user_state = {}


def make_map():
    return {
        "main_hall": {
            "pretty": "Main Hall",
            "description": """
                <p>
                    You are in a long hallway, lined with portraits and pictures. Underfoot is an old wooden floor, topped with the occasional rug.
                </p>

                <p>
                    Your back is to the main door. To your <b>right</b> is the living room, to your <b>left</b>, the kitchen. <b>Ahead</b> leads to the lounge.
                </p>
            """,
            "directions": {
                "left": "kitchen",
                "right": "living_room",
                "forward": "lounge",
            },
            "items": []
        },


        "kitchen": {
            "pretty": "Kitchen",
            "description": """

            """,
            "directions": {
                "back": "main_hall",
            },
            "items": []
        },


        "living_room": {
            "pretty": "Living Room",
            "description": """

            """,
            "directions": {
                "back": "main_hall",
            },
            "items": []
        },


        "lounge": {
            "pretty": "Lounge",
            "description": """

            """,
            "directions": {
                "back": "main_hall",
            },
            "items": []
        }
    }


def add_user():
    user_id = str(uuid4())

    user_state[user_id] = {
        # the map. This contins info about all the locations, where the location
        # leads to, what items the location contains, etc
        # We store it on the player as they can modify it (eg, take an item and
        # put it in their inventory)
        "map": make_map(),

        # the current location in the map
        "location": "main_hall",

        # The player's inventory
        "inventory": [],
    }

    return user_id


def user_not_found():
    return """
    <html>
        <head>
            <title>Not Found</title>
        </head>
        <body>
            <h1>Oops, looks like you took a wrong turn</h1>

            <a href="/">Start a new game</a>
        </body>
    </html>
    """, 404


def format_location_directions(user_id, user):
    directions = ""

    current_location = user["map"][user["location"]]

    for direction, destination in current_location["directions"].items():
        directions += "<div>"

        location_pretty = user["map"][destination]["pretty"]
        directions += '<a href="/game/{user_id}/{direction}">{direction}</a>, to the {location_pretty}'.format(
            user_id=user_id, direction=direction, location_pretty=location_pretty)

        directions += "</div>"

    return directions


def format_inventory(inventory):
    # TODO
    return str(inventory)

######################
# Flask Web routes
######################


@app.route('/')
def index():
    user_id = add_user()

    # 302 is a temporary redirect
    return redirect("/game/{}".format(user_id), code=302)


@app.route('/game/<user_id>/<direction>')
def move_left(user_id, direction):
    if user_id not in user_state:
        return user_not_found()

    user = user_state[user_id]

    location = user["map"][user["location"]]

    if direction in location["directions"]:
        user["location"] = location["directions"][direction]

    return redirect("/game/{}".format(user_id), code=302)


@app.route('/game/<user_id>')
def game_screen(user_id):
    if user_id not in user_state:
        return user_not_found()

    user = user_state[user_id]

    location = user["map"][user["location"]]
    location_pretty = location["pretty"]

    location_description = location["description"]

    location_directions = format_location_directions(user_id, user)
    inventory = format_inventory(user["inventory"])

    return """
        <html>
        <head>
            <title>The Game Dungeon</title>
        </head>
        <body>
            <h1>{location}</h1>
            {location_description}

            <hr />

            {location_directions}

            </hr />

            <h1>Inventory</h1>
            {inventory}

            <hr />
            <a href="/">Start a new game</a>
        </body>
        </html>
        """.format(location=location_pretty, location_description=location_description, location_directions=location_directions, inventory=inventory)


app.run()
	from flask import Flask, request, redirect
	from uuid import uuid4

	app = Flask(__name__)

	# TODO: persist to disk
	user_state = {}


	def make_map():
	return {
	"main_hall": {
	"pretty": "Main Hall",
	"description": """
	<p>
	You are in a long hallway, lined with portraits and pictures. Underfoot is an old wooden floor, topped with the occasional rug.
	</p>

	<p>
	Your back is to the main door. To your <b>right</b> is the living room, to your <b>left</b>, the kitchen. <b>Ahead</b> leads to the lounge.
	</p>
	""",
	"directions": {
	"left": "kitchen",
	"right": "living_room",
	"forward": "lounge",
	},
	"items": []
	},


	"kitchen": {
	"pretty": "Kitchen",
	"description": """

	""",
	"directions": {
	"back": "main_hall",
	},
	"items": []
	},


	"living_room": {
	"pretty": "Living Room",
	"description": """

	""",
	"directions": {
	"back": "main_hall",
	},
	"items": []
	},


	"lounge": {
	"pretty": "Lounge",
	"description": """

	""",
	"directions": {
	"back": "main_hall",
	},
	"items": []
	}
	}


	def add_user():
	user_id = str(uuid4())

	user_state[user_id] = {
	# the map. This contins info about all the locations, where the location
	# leads to, what items the location contains, etc
	# We store it on the player as they can modify it (eg, take an item and
	# put it in their inventory)
	"map": make_map(),

	# the current location in the map
	"location": "main_hall",

	# The player's inventory
	"inventory": [],
	}

	return user_id


	def user_not_found():
	return """
	<html>
	<head>
	<title>Not Found</title>
	</head>
	<body>
	<h1>Oops, looks like you took a wrong turn</h1>

	<a href="/">Start a new game</a>
	</body>
	</html>
	""", 404


	def format_location_directions(user_id, user):
	directions = ""

	current_location = user["map"][user["location"]]

	for direction, destination in current_location["directions"].items():
	directions += "<div>"

	location_pretty = user["map"][destination]["pretty"]
	directions += '<a href="/game/{user_id}/{direction}">{direction}</a>, to the {location_pretty}'.format(
	user_id=user_id, direction=direction, location_pretty=location_pretty)

	directions += "</div>"

	return directions


	def format_inventory(inventory):
	# TODO
	return str(inventory)

	######################
	# Flask Web routes
	######################


	@app.route('/')
	def index():
	user_id = add_user()

	# 302 is a temporary redirect
	return redirect("/game/{}".format(user_id), code=302)


	@app.route('/game/<user_id>/<direction>')
	def move_left(user_id, direction):
	if user_id not in user_state:
	return user_not_found()

	user = user_state[user_id]

	location = user["map"][user["location"]]

	if direction in location["directions"]:
	user["location"] = location["directions"][direction]

	return redirect("/game/{}".format(user_id), code=302)


	@app.route('/game/<user_id>')
	def game_screen(user_id):
	if user_id not in user_state:
	return user_not_found()

	user = user_state[user_id]

	location = user["map"][user["location"]]
	location_pretty = location["pretty"]

	location_description = location["description"]

	location_directions = format_location_directions(user_id, user)
	inventory = format_inventory(user["inventory"])

	return """
	<html>
	<head>
	<title>The Game Dungeon</title>
	</head>
	<body>
	<h1>{location}</h1>
	{location_description}

	<hr />

	{location_directions}

	</hr />

	<h1>Inventory</h1>
	{inventory}

	<hr />
	<a href="/">Start a new game</a>
	</body>
	</html>
	""".format(location=location_pretty, location_description=location_description, location_directions=location_directions, inventory=inventory)


	app.run()