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fpl.py
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fpl.py
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"""
The FPL module.
Fantasy Premier League API:
* /bootstrap-static
* /bootstrap-dynamic
* /elements
* /element-summary/{player_id}
* /entry/{user_id}
* /entry/{user_id}/cup
* /entry/{user_id}/event/{event_id}/picks
* /entry/{user_id}/history
* /entry/{user_id}/transfers
* /events
* /event/{event_id}/live
* /fixtures/?event={event_id}
* /game-settings
* /leagues-classic-standings/{league_id}
* /leagues-classic-standings/{league_id}
* /leagues-entries-and-h2h-matches/league/{league_id}
* /leagues-h2h-standings/{league_id}
* /my-team/{user_id}
* /teams
* /transfers
"""
import asyncio
import itertools
import os
import requests
from .constants import API_URLS
from .models.classic_league import ClassicLeague
from .models.fixture import Fixture
from .models.gameweek import Gameweek
from .models.h2h_league import H2HLeague
from .models.player import Player, PlayerSummary
from .models.team import Team
from .models.user import User
from .utils import (average, fetch, get_current_user, logged_in,
position_converter, scale, team_converter)
class FPL:
"""The FPL class."""
def __init__(self, session):
self.session = session
# TODO: use aiohttp instead
static = requests.get(API_URLS["static"]).json()
for k, v in static.items():
try:
v = {w["id"]: w for w in v}
except (KeyError, TypeError):
pass
setattr(self, k, v)
setattr(self,
"current_gameweek",
next(event for event in static["events"]
if event["is_current"])["id"])
async def get_user(self, user_id=None, return_json=False):
"""Returns the user with the given ``user_id``.
Information is taken from e.g.:
https://fantasy.premierleague.com/api/entry/91928/
:param user_id: A user's ID.
:type user_id: string or int
:param return_json: (optional) Boolean. If ``True`` returns a ``dict``,
if ``False`` returns a :class:`User` object. Defaults to ``False``.
:type return_json: bool
:rtype: :class:`User` or `dict`
"""
if user_id:
assert int(user_id) > 0, "User ID must be a positive number."
else:
# If no user ID provided get it from current session
try:
user = await get_current_user(self.session)
user_id = user["player"]["entry"]
except TypeError:
raise Exception("You must log in before using `get_user` if "
"you do not provide a user ID.")
url = API_URLS["user"].format(user_id)
user = await fetch(self.session, url)
if return_json:
return user
return User(user, session=self.session)
async def get_teams(self, team_ids=None, return_json=False):
"""Returns either a list of *all* teams, or a list of teams with IDs in
the optional ``team_ids`` list.
Information is taken from:
https://fantasy.premierleague.com/api/bootstrap-static/
:param list team_ids: (optional) List containing the IDs of teams.
If not set a list of *all* teams will be returned.
:param return_json: (optional) Boolean. If ``True`` returns a list of
``dict``s, if ``False`` returns a list of :class:`Team` objects.
Defaults to ``False``.
:type return_json: bool
:rtype: list
"""
teams = getattr(self, "teams")
if team_ids:
team_ids = set(team_ids)
teams = [team for team in teams.values() if team["id"] in team_ids]
else:
teams = [team for team in teams.values()]
if return_json:
return teams
return [Team(team_information, self.session)
for team_information in teams]
async def get_team(self, team_id, return_json=False):
"""Returns the team with the given ``team_id``.
Information is taken from:
https://fantasy.premierleague.com/api/bootstrap-static/
:param team_id: A team's ID.
:type team_id: string or int
:param return_json: (optional) Boolean. If ``True`` returns a ``dict``,
if ``False`` returns a :class:`Team` object. Defaults to ``False``.
:type return_json: bool
:rtype: :class:`Team` or ``dict``
For reference here is the mapping from team ID to team name:
.. code-block:: none
1 - Arsenal
2 - Bournemouth
3 - Brighton
4 - Burnley
5 - Cardiff
6 - Chelsea
7 - Crystal Palace
8 - Everton
9 - Fulham
10 - Huddersfield
11 - Leicester
12 - Liverpool
13 - Man City
14 - Man Utd
15 - Newcastle
16 - Southampton
17 - Spurs
18 - Watford
19 - West Ham
20 - Wolves
"""
assert 0 < int(
team_id) < 21, "Team ID must be a number between 1 and 20."
teams = getattr(self, "teams")
team = next(team for team in teams.values()
if team["id"] == int(team_id))
if return_json:
return team
return Team(team, self.session)
async def get_player_summary(self, player_id, return_json=False):
"""Returns a summary of the player with the given ``player_id``.
Information is taken from e.g.:
https://fantasy.premierleague.com/api/element-summary/1/
:param int player_id: A player's ID.
:param return_json: (optional) Boolean. If ``True`` returns a ``dict``,
if ``False`` returns a :class:`PlayerSummary` object. Defaults to
``False``.
:type return_json: bool
:rtype: :class:`PlayerSummary` or ``dict``
"""
assert int(player_id) > 0, "Player's ID must be a positive number"
url = API_URLS["player"].format(player_id)
player_summary = await fetch(self.session, url)
if return_json:
return player_summary
return PlayerSummary(player_summary)
async def get_player_summaries(self, player_ids, return_json=False):
"""Returns a list of summaries of players whose ID are
in the ``player_ids`` list.
Information is taken from e.g.:
https://fantasy.premierleague.com/api/element-summary/1/
:param list player_ids: A list of player IDs.
:param return_json: (optional) Boolean. If ``True`` returns a list of
``dict``s, if ``False`` returns a list of :class:`PlayerSummary`
objects. Defaults to ``False``.
:type return_json: bool
:rtype: list
"""
if not player_ids:
return []
tasks = [asyncio.ensure_future(
fetch(self.session, API_URLS["player"].format(player_id)))
for player_id in player_ids]
player_summaries = await asyncio.gather(*tasks)
if return_json:
return player_summaries
return [PlayerSummary(player_summary)
for player_summary in player_summaries]
async def get_player(self, player_id, players=None, include_summary=False,
return_json=False):
"""Returns the player with the given ``player_id``.
Information is taken from e.g.:
https://fantasy.premierleague.com/api/bootstrap-static/
https://fantasy.premierleague.com/api/element-summary/1/ (optional)
:param player_id: A player's ID.
:type player_id: string or int
:param list players: (optional) A list of players.
:param bool include_summary: (optional) Includes a player's summary
if ``True``.
:param return_json: (optional) Boolean. If ``True`` returns a ``dict``,
if ``False`` returns a :class:`Player` object. Defaults to
``False``.
:rtype: :class:`Player` or ``dict``
:raises ValueError: Player with ``player_id`` not found
"""
if not players:
players = getattr(self, "elements")
try:
player = next(player for player in players.values()
if player["id"] == player_id)
except StopIteration:
raise ValueError(f"Player with ID {player_id} not found")
if include_summary:
player_summary = await self.get_player_summary(
player["id"], return_json=True)
player.update(player_summary)
if return_json:
return player
return Player(player, self.session)
async def get_players(self, player_ids=None, include_summary=False,
return_json=False):
"""Returns either a list of *all* players, or a list of players whose
IDs are in the given ``player_ids`` list.
Information is taken from e.g.:
https://fantasy.premierleague.com/api/bootstrap-static/
https://fantasy.premierleague.com/api/element-summary/1/ (optional)
:param list player_ids: (optional) A list of player IDs
:param boolean include_summary: (optional) Includes a player's summary
if ``True``.
:param return_json: (optional) Boolean. If ``True`` returns a list of
``dict``s, if ``False`` returns a list of :class:`Player`
objects. Defaults to ``False``.
:type return_json: bool
:rtype: list
"""
players = getattr(self, "elements")
if not player_ids:
player_ids = [player["id"] for player in players.values()]
tasks = [asyncio.ensure_future(
self.get_player(
player_id, players, include_summary, return_json))
for player_id in player_ids]
players = await asyncio.gather(*tasks)
return players
async def get_fixture(self, fixture_id, return_json=False):
"""Returns the fixture with the given ``fixture_id``.
Information is taken from e.g.:
https://fantasy.premierleague.com/api/fixtures/
https://fantasy.premierleague.com/api/fixtures/?event=1
:param int fixture_id: The fixture's ID.
:param return_json: (optional) Boolean. If ``True`` returns a ``dict``,
if ``False`` returns a :class:`Fixture` object. Defaults to
``False``.
:type return_json: bool
:rtype: :class:`Fixture` or ``dict``
:raises ValueError: if fixture with ``fixture_id`` not found
"""
fixtures = await fetch(self.session, API_URLS["fixtures"])
try:
fixture = next(fixture for fixture in fixtures
if fixture["id"] == fixture_id)
except StopIteration:
raise ValueError(f"Fixture with ID {fixture_id} not found")
fixture_gameweek = fixture["event"]
gameweek_fixtures = await fetch(
self.session,
API_URLS["gameweek_fixtures"].format(fixture_gameweek))
try:
fixture = next(fixture for fixture in gameweek_fixtures
if fixture["id"] == fixture_id)
except StopIteration:
raise ValueError(
f"Fixture with ID {fixture_id} not found in gameweek fixtures")
if return_json:
return fixture
return Fixture(fixture)
async def get_fixtures_by_id(self, fixture_ids, return_json=False):
"""Returns a list of all fixtures with IDs included in the
`fixture_ids` list.
Information is taken from e.g.:
https://fantasy.premierleague.com/api/fixtures/
https://fantasy.premierleague.com/api/fixtures/?event=1
:param list fixture_ids: A list of fixture IDs.
:param return_json: (optional) Boolean. If ``True`` returns a list of
``dict``s, if ``False`` returns a list of :class:`Fixture`
objects. Defaults to ``False``.
:type return_json: bool
:rtype: list
"""
if not fixture_ids:
return []
fixtures = await fetch(self.session, API_URLS["fixtures"])
fixture_gameweeks = set(fixture["event"] for fixture in fixtures
if fixture["id"] in fixture_ids)
tasks = [asyncio.ensure_future(
fetch(self.session,
API_URLS["gameweek_fixtures"].format(gameweek)))
for gameweek in fixture_gameweeks]
gameweek_fixtures = await asyncio.gather(*tasks)
merged_fixtures = list(itertools.chain(*gameweek_fixtures))
fixtures = [fixture for fixture in merged_fixtures
if fixture["id"] in fixture_ids]
if return_json:
return fixtures
return [Fixture(fixture) for fixture in fixtures]
async def get_fixtures_by_gameweek(self, gameweek, return_json=False):
"""Returns a list of all fixtures of the given ``gameweek``.
Information is taken from e.g.:
https://fantasy.premierleague.com/api/fixtures/
https://fantasy.premierleague.com/api/fixtures/?event=1
:param gameweek: A gameweek.
:type gameweek: string or int
:param return_json: (optional) Boolean. If ``True`` returns a list of
``dict``s, if ``False`` returns a list of :class:`Player`
objects. Defaults to ``False``.
:type return_json: bool
:rtype: list
"""
fixtures = await fetch(self.session,
API_URLS["gameweek_fixtures"].format(gameweek))
if return_json:
return fixtures
return [Fixture(fixture) for fixture in fixtures]
async def get_fixtures(self, return_json=False):
"""Returns a list of *all* fixtures.
Information is taken from e.g.:
https://fantasy.premierleague.com/api/fixtures/
https://fantasy.premierleague.com/api/fixtures/?event=1
:param return_json: (optional) Boolean. If ``True`` returns a list of
``dict``s, if ``False`` returns a list of :class:`Fixture`
objects. Defaults to ``False``.
:type return_json: bool
:rtype: list
"""
gameweeks = range(1, 39)
tasks = [asyncio.ensure_future(
fetch(self.session,
API_URLS["gameweek_fixtures"].format(gameweek)))
for gameweek in gameweeks]
gameweek_fixtures = await asyncio.gather(*tasks)
fixtures = list(itertools.chain(*gameweek_fixtures))
if return_json:
return fixtures
return [Fixture(fixture) for fixture in fixtures]
async def get_gameweek(self, gameweek_id, include_live=False,
return_json=False):
"""Returns the gameweek with the ID ``gameweek_id``.
Information is taken from e.g.:
https://fantasy.premierleague.com/api/bootstrap-static/
https://fantasy.premierleague.com/api/event/1/live/
:param int gameweek_id: A gameweek's ID.
:param bool include_summary: (optional) Includes a gameweek's live data
if ``True``.
:param return_json: (optional) Boolean. If ``True`` returns a ``dict``,
if ``False`` returns a :class:`Gameweek` object. Defaults to
``False``.
:type return_json: bool
:rtype: :class:`Gameweek` or ``dict``
"""
static_gameweeks = getattr(self, "events")
try:
static_gameweek = next(
gameweek for gameweek in static_gameweeks.values() if
gameweek["id"] == gameweek_id)
except StopIteration:
raise ValueError(f"Gameweek with ID {gameweek_id} not found")
if include_live:
live_gameweek = await fetch(
self.session, API_URLS["gameweek_live"].format(gameweek_id))
# Convert element list to dict
live_gameweek["elements"] = {
element["id"]: element for element in live_gameweek["elements"]}
# Include live bonus points
if not static_gameweek["finished"]:
fixtures = await self.get_fixtures_by_gameweek(gameweek_id)
fixtures = filter(lambda f: not f.finished, fixtures)
bonus_for_gameweek = []
for fixture in fixtures:
bonus = fixture.get_bonus(provisional=True)
bonus_for_gameweek.extend(bonus["a"] + bonus["h"])
bonus_for_gameweek = {bonus["element"]: bonus["value"]
for bonus in bonus_for_gameweek}
for player_id, bonus_points in bonus_for_gameweek.items():
if live_gameweek["elements"][player_id]["stats"]["bonus"] == 0:
live_gameweek["elements"][player_id]["stats"]["bonus"] += bonus_points
live_gameweek["elements"][player_id]["stats"]["total_points"] += bonus_points
static_gameweek.update(live_gameweek)
if return_json:
return static_gameweek
return Gameweek(static_gameweek)
async def get_gameweeks(self, gameweek_ids=None, include_live=False,
return_json=False):
"""Returns either a list of *all* gamweeks, or a list of gameweeks
whose IDs are in the ``gameweek_ids`` list.
Information is taken from e.g.:
https://fantasy.premierleague.com/api/bootstrap-static/
https://fantasy.premierleague.com/api/event/1/live/
:param list gameweek_ids: (optional) A list of gameweek IDs.
:param return_json: (optional) Boolean. If ``True`` returns a list of
``dict``s, if ``False`` returns a list of :class:`Gameweek`
objects. Defaults to ``False``.
:type return_json: bool
:rtype: list
"""
if not gameweek_ids:
gameweek_ids = range(1, 39)
tasks = [asyncio.ensure_future(
self.get_gameweek(gameweek_id, include_live, return_json))
for gameweek_id in gameweek_ids]
gameweeks = await asyncio.gather(*tasks)
return gameweeks
async def get_classic_league(self, league_id, return_json=False):
"""Returns the classic league with the given ``league_id``. Requires
the user to have logged in using ``fpl.login()``.
Information is taken from e.g.:
https://fantasy.premierleague.com/api/leagues-classic/967/standings/
:param string league_id: A classic league's ID.
:type league_id: string or int
:param return_json: (optional) Boolean. If ``True`` returns a ``dict``,
if ``False`` returns a :class:`ClassicLeague` object. Defaults to
``False``.
:type return_json: bool
:rtype: :class:`ClassicLeague` or ``dict``
"""
if not logged_in(self.session):
raise Exception("User must be logged in.")
url = API_URLS["league_classic"].format(league_id)
league = await fetch(self.session, url)
if return_json:
return league
return ClassicLeague(league, session=self.session)
async def get_h2h_league(self, league_id, return_json=False):
"""Returns a `H2HLeague` object with the given `league_id`. Requires
the user to have logged in using ``fpl.login()``.
Information is taken from e.g.:
https://fantasy.premierleague.com/api/leagues-h2h-matches/league/946125/
:param league_id: A H2H league's ID.
:type league_id: string or int
:param return_json: (optional) Boolean. If ``True`` returns a ``dict``,
if ``False`` returns a :class:`H2HLeague` object. Defaults to
``False``.
:type return_json: bool
:rtype: :class:`H2HLeague` or ``dict``
"""
if not logged_in(self.session):
raise Exception("User must be logged in.")
url = API_URLS["league_h2h"].format(league_id)
league = await fetch(self.session, url)
if return_json:
return league
return H2HLeague(league, session=self.session)
async def login(self, email=None, password=None):
"""Returns a requests session with FPL login authentication.
:param string email: Email address for the user's Fantasy Premier
League account.
:param string password: Password for the user's Fantasy Premier League
account.
"""
if not email and not password:
email = os.getenv("FPL_EMAIL", None)
password = os.getenv("FPL_PASSWORD", None)
if not email or not password:
raise ValueError("Email and password must be set")
payload = {
"login": email,
"password": password,
"app": "plfpl-web",
"redirect_uri": "https://fantasy.premierleague.com/a/login"
}
login_url = "https://users.premierleague.com/accounts/login/"
async with self.session.post(login_url, data=payload) as response:
state = response.url.query["state"]
if state == "fail":
reason = response.url.query["reason"]
raise ValueError(f"Login not successful, reason: {reason}")
async def get_points_against(self):
"""Returns a dictionary containing the points scored against all teams
in the Premier League, split by position and location.
An example:
.. code-block:: javascript
{
"Man City": {
"all": {
"H": [3, ..., 1],
"A": [2, ..., 2]
},
"goalkeeper": {
"H": [3, ..., 3],
"A": [2, ..., 3]
},
"defender": {
"H": [1, ..., 2],
"A": [4, ..., 1]
},
"midfielder": {
"H": [2, ..., 1],
"A": [2, ..., 2]
},
"forward": {
"H": [1, ..., 2],
"A": [6, ..., 1]
}
},
...
}
:rtype: dict
"""
players = await self.get_players(
include_summary=True, return_json=True)
points_against = {}
for player in players:
position = position_converter(player["element_type"]).lower()
for fixture in player["history"]:
if fixture["minutes"] == 0:
continue
points = fixture["total_points"]
opponent = team_converter(fixture["opponent_team"])
location = "H" if fixture["was_home"] else "A"
points_against.setdefault(
opponent,
{
"all": {"H": [], "A": []},
"goalkeeper": {"H": [], "A": []},
"defender": {"H": [], "A": []},
"midfielder": {"H": [], "A": []},
"forward": {"H": [], "A": []}
}
)
points_against[opponent]["all"][location].append(points)
points_against[opponent][position][location].append(points)
return points_against
async def FDR(self):
"""Creates a new Fixture Difficulty Ranking (FDR) based on the number
of points each team gives up to players in the Fantasy Premier League.
These numbers are also between 1.0 and 5.0 to give a similar ranking
system to the official FDR.
An example:
.. code-block:: javascript
{
"Man City": {
"all": {
"H": 4.4524439427082,
"A": 5
},
"goalkeeper": {
"H": 3.6208195949129,
"A": 5
},
"defender": {
"H": 3.747999604078,
"A": 5
},
"midfielder": {
"H": 4.6103045986504,
"A": 5
},
"forward": {
"H": 5,
"A": 3.9363219561895
}
},
...,
"Arsenal": {
"all": {
"H": 3.4414041151234,
"A": 4.2904529162594
},
"goalkeeper": {
"H": 4.1106924163919,
"A": 4.3867595818815
},
"defender": {
"H": 3.6720291204673,
"A": 4.3380917450181
},
"midfielder": {
"H": 3.3537357534825,
"A": 4.0706443384718
},
"forward": {
"H": 2.5143403441683,
"A": 4.205298013245
}
}
}
:rtype: dict
"""
def average_points_against(points_against):
"""Returns a dict with the average points scored against all teams,
per position and location.
:param dict points_against: A dict containing the points scored
against each team in the Premier League.
:rtype: dict
"""
for team, positions in points_against.items():
for position in positions.values():
position["H"] = average(position["H"])
position["A"] = average(position["A"])
points_against[team] = positions
return points_against
def get_extrema(points_against):
"""Returns the extrema for each position and location.
:param dict points_against: A dict containing the points scored
against each team in the Premier League.
:rtype: dict
"""
averages = {}
for _, positions in points_against.items():
for position, average in positions.items():
averages.setdefault(position, {"H": [], "A": []})
averages[position]["H"].append(average["H"])
averages[position]["A"].append(average["A"])
for position, locations in averages.items():
min_h = min(locations["H"])
min_a = min(locations["A"])
max_h = max(locations["H"])
max_a = max(locations["A"])
averages[position]["H"] = [min_h, max_h]
averages[position]["A"] = [min_a, max_a]
return averages
def calculate_fdr(average_points, extrema):
"""Returns a dict containing the FDR for each team, which is
calculated by scaling the average points conceded per position
between 1.0 and 5.0 using the given extrema.
:param dict points_against: A dict containing the points scored
against each team in the Premier League.
:param dict extrema: A dict containing the extrema for each
position and location.
:rtype: dict
"""
for team, positions in average_points.items():
for position, locations in positions.items():
min_h, max_h = extrema[position]["H"]
min_a, max_a = extrema[position]["A"]
fdr_h = scale(locations["H"], 5.0, 1.0, min_h, max_h)
fdr_a = scale(locations["A"], 5.0, 1.0, min_a, max_a)
average_points[team][position]["H"] = fdr_h
average_points[team][position]["A"] = fdr_a
return average_points
points_against = await self.get_points_against()
average_points = average_points_against(points_against)
extrema = get_extrema(average_points)
fdr = calculate_fdr(average_points, extrema)
return fdr