2026-02-01 09:31:38 +01:00

241 lines
8.9 KiB
Python

"""Provide the Multireddit class."""
from __future__ import annotations
import re
from json import dumps
from typing import TYPE_CHECKING, Any
from ...const import API_PATH
from ...util import _deprecate_args, cachedproperty
from ..listing.mixins import SubredditListingMixin
from .base import RedditBase
from .redditor import Redditor
from .subreddit import Subreddit, SubredditStream
if TYPE_CHECKING: # pragma: no cover
import praw.models
class Multireddit(SubredditListingMixin, RedditBase):
r"""A class for users' multireddits.
This is referred to as a "Custom Feed" on the Reddit UI.
.. include:: ../../typical_attributes.rst
==================== ==============================================================
Attribute Description
==================== ==============================================================
``can_edit`` A ``bool`` representing whether or not the authenticated user
may edit the multireddit.
``copied_from`` The multireddit that the multireddit was copied from, if it
exists, otherwise ``None``.
``created_utc`` When the multireddit was created, in `Unix Time`_.
``description_html`` The description of the multireddit, as HTML.
``description_md`` The description of the multireddit, as Markdown.
``display_name`` The display name of the multireddit.
``name`` The name of the multireddit.
``over_18`` A ``bool`` representing whether or not the multireddit is
restricted for users over 18.
``subreddits`` A list of :class:`.Subreddit`\ s that make up the multireddit.
``visibility`` The visibility of the multireddit, either ``"private"``,
``"public"``, or ``"hidden"``.
==================== ==============================================================
.. _unix time: https://en.wikipedia.org/wiki/Unix_time
"""
STR_FIELD = "path"
RE_INVALID = re.compile(r"[\W_]+", re.UNICODE)
@staticmethod
def sluggify(title: str) -> str:
"""Return a slug version of the title.
:param title: The title to make a slug of.
Adapted from Reddit's utils.py.
"""
title = Multireddit.RE_INVALID.sub("_", title).strip("_").lower()
if len(title) > 21: # truncate to nearest word
title = title[:21]
last_word = title.rfind("_")
if last_word > 0:
title = title[:last_word]
return title or "_"
@cachedproperty
def stream(self) -> SubredditStream:
"""Provide an instance of :class:`.SubredditStream`.
Streams can be used to indefinitely retrieve new comments made to a multireddit,
like:
.. code-block:: python
for comment in reddit.multireddit(redditor="spez", name="fun").stream.comments():
print(comment)
Additionally, new submissions can be retrieved via the stream. In the following
example all new submissions to the multireddit are fetched:
.. code-block:: python
for submission in reddit.multireddit(
redditor="bboe", name="games"
).stream.submissions():
print(submission)
"""
return SubredditStream(self)
def __init__(self, reddit: praw.Reddit, _data: dict[str, Any]):
"""Initialize a :class:`.Multireddit` instance."""
self.path = None
super().__init__(reddit, _data=_data)
self._author = Redditor(reddit, self.path.split("/", 3)[2])
self._path = API_PATH["multireddit"].format(multi=self.name, user=self._author)
self.path = f"/{self._path[:-1]}" # Prevent requests for path
if "subreddits" in self.__dict__:
self.subreddits = [Subreddit(reddit, x["name"]) for x in self.subreddits]
def _fetch(self):
data = self._fetch_data()
data = data["data"]
other = type(self)(self._reddit, _data=data)
self.__dict__.update(other.__dict__)
super()._fetch()
def _fetch_info(self):
return (
"multireddit_api",
{"multi": self.name, "user": self._author.name},
None,
)
def add(self, subreddit: praw.models.Subreddit):
"""Add a subreddit to this multireddit.
:param subreddit: The subreddit to add to this multi.
For example, to add r/test to multireddit ``bboe/test``:
.. code-block:: python
subreddit = reddit.subreddit("test")
reddit.multireddit(redditor="bboe", name="test").add(subreddit)
"""
url = API_PATH["multireddit_update"].format(
multi=self.name, user=self._author, subreddit=subreddit
)
self._reddit.put(url, data={"model": dumps({"name": str(subreddit)})})
self._reset_attributes("subreddits")
@_deprecate_args("display_name")
def copy(self, *, display_name: str | None = None) -> praw.models.Multireddit:
"""Copy this multireddit and return the new multireddit.
:param display_name: The display name for the copied multireddit. Reddit will
generate the ``name`` field from this display name. When not provided the
copy will use the same display name and name as this multireddit.
To copy the multireddit ``bboe/test`` with a name of ``"testing"``:
.. code-block:: python
reddit.multireddit(redditor="bboe", name="test").copy(display_name="testing")
"""
if display_name:
name = self.sluggify(display_name)
else:
display_name = self.display_name
name = self.name
data = {
"display_name": display_name,
"from": self.path,
"to": API_PATH["multireddit"].format(
multi=name, user=self._reddit.user.me()
),
}
return self._reddit.post(API_PATH["multireddit_copy"], data=data)
def delete(self):
"""Delete this multireddit.
For example, to delete multireddit ``bboe/test``:
.. code-block:: python
reddit.multireddit(redditor="bboe", name="test").delete()
"""
path = API_PATH["multireddit_api"].format(
multi=self.name, user=self._author.name
)
self._reddit.delete(path)
def remove(self, subreddit: praw.models.Subreddit):
"""Remove a subreddit from this multireddit.
:param subreddit: The subreddit to remove from this multi.
For example, to remove r/test from multireddit ``bboe/test``:
.. code-block:: python
subreddit = reddit.subreddit("test")
reddit.multireddit(redditor="bboe", name="test").remove(subreddit)
"""
url = API_PATH["multireddit_update"].format(
multi=self.name, user=self._author, subreddit=subreddit
)
self._reddit.delete(url, data={"model": dumps({"name": str(subreddit)})})
self._reset_attributes("subreddits")
def update(
self,
**updated_settings: str | list[str | praw.models.Subreddit | dict[str, str]],
):
"""Update this multireddit.
Keyword arguments are passed for settings that should be updated. They can any
of:
:param display_name: The display name for this multireddit. Must be no longer
than 50 characters.
:param subreddits: Subreddits for this multireddit.
:param description_md: Description for this multireddit, formatted in Markdown.
:param icon_name: Can be one of: ``"art and design"``, ``"ask"``, ``"books"``,
``"business"``, ``"cars"``, ``"comics"``, ``"cute animals"``, ``"diy"``,
``"entertainment"``, ``"food and drink"``, ``"funny"``, ``"games"``,
``"grooming"``, ``"health"``, ``"life advice"``, ``"military"``, ``"models
pinup"``, ``"music"``, ``"news"``, ``"philosophy"``, ``"pictures and
gifs"``, ``"science"``, ``"shopping"``, ``"sports"``, ``"style"``,
``"tech"``, ``"travel"``, ``"unusual stories"``, ``"video"``, or ``None``.
:param key_color: RGB hex color code of the form ``"#FFFFFF"``.
:param visibility: Can be one of: ``"hidden"``, ``"private"``, or ``"public"``.
:param weighting_scheme: Can be one of: ``"classic"`` or ``"fresh"``.
For example, to rename multireddit ``"bboe/test"`` to ``"bboe/testing"``:
.. code-block:: python
reddit.multireddit(redditor="bboe", name="test").update(display_name="testing")
"""
if "subreddits" in updated_settings:
updated_settings["subreddits"] = [
{"name": str(sub)} for sub in updated_settings["subreddits"]
]
path = API_PATH["multireddit_api"].format(
multi=self.name, user=self._author.name
)
new = self._reddit.put(path, data={"model": dumps(updated_settings)})
self.__dict__.update(new.__dict__)