Toot-Mastodon-CLI-TUI-clien.../toot/tui/timeline.py

474 lines
16 KiB
Python

import logging
import urwid
import webbrowser
from typing import List, Optional
from toot.tui import app
from toot.tui.richtext import html_to_widgets, url_to_widget
from toot.utils.datetime import parse_datetime, time_ago
from toot.utils.language import language_name
from toot.entities import Status
from toot.tui.scroll import Scrollable, ScrollBar
from toot.tui.utils import highlight_keys
from toot.tui.widgets import SelectableText, SelectableColumns
logger = logging.getLogger("toot")
class Timeline(urwid.Columns):
"""
Displays a list of statuses to the left, and status details on the right.
"""
signals = [
"close", # Close thread
"focus", # Focus changed
"next", # Fetch more statuses
"save", # Save current timeline
]
def __init__(
self,
tui: "app.TUI",
name: str,
statuses: List[Status],
focus: int = 0,
is_thread: bool = False
):
self.tui = tui
self.name = name
self.is_thread = is_thread
self.statuses = statuses
self.status_list = self.build_status_list(statuses, focus=focus)
try:
focused_status = statuses[focus]
except IndexError:
focused_status = None
self.status_details = StatusDetails(self, focused_status)
status_widget = self.wrap_status_details(self.status_details)
super().__init__([
("weight", 40, self.status_list),
("weight", 0, urwid.AttrWrap(urwid.SolidFill(""), "columns_divider")),
("weight", 60, status_widget),
])
def wrap_status_details(self, status_details: "StatusDetails") -> urwid.Widget:
"""Wrap StatusDetails widget with a scrollbar and footer."""
self.status_detail_scrollable = Scrollable(urwid.Padding(status_details, right=1))
return urwid.Padding(
urwid.Frame(
body=ScrollBar(
self.status_detail_scrollable,
thumb_char="\u2588",
trough_char="\u2591",
),
footer=self.get_option_text(status_details.status),
),
left=1
)
def build_status_list(self, statuses, focus):
items = [self.build_list_item(status) for status in statuses]
walker = urwid.SimpleFocusListWalker(items)
walker.set_focus(focus)
urwid.connect_signal(walker, "modified", self.modified)
return urwid.ListBox(walker)
def build_list_item(self, status):
item = StatusListItem(status, self.tui.options.relative_datetimes)
urwid.connect_signal(item, "click", lambda *args:
self.tui.show_context_menu(status))
return urwid.AttrMap(item, None, focus_map={
"status_list_account": "status_list_selected",
"status_list_timestamp": "status_list_selected",
"highligh": "status_list_selected",
"dim": "status_list_selected",
None: "status_list_selected",
})
def get_option_text(self, status: Optional[Status]) -> Optional[urwid.Text]:
if not status:
return None
poll = status.original.data.get("poll")
show_media = status.original.data["media_attachments"] and self.tui.options.media_viewer
options = [
"[A]ccount" if not status.is_mine else "",
"[B]oost",
"[D]elete" if status.is_mine else "",
"B[o]okmark",
"[F]avourite",
"[V]iew",
"[T]hread" if not self.is_thread else "",
"L[i]nks",
"[M]edia" if show_media else "",
"[R]eply",
"[P]oll" if poll and not poll["expired"] else "",
"So[u]rce",
"[Z]oom",
"Tra[n]slate" if self.tui.can_translate else "",
"Cop[y]",
"Help([?])",
]
options = "\n" + " ".join(o for o in options if o)
options = highlight_keys(options, "shortcut_highlight", "shortcut")
return urwid.Text(options)
def get_focused_status(self):
try:
return self.statuses[self.status_list.body.focus]
except TypeError:
return None
def get_focused_status_with_counts(self):
"""Returns a tuple of:
* focused status
* focused status' index in the status list
* length of the status list
"""
return (
self.get_focused_status(),
self.status_list.body.focus,
len(self.statuses),
)
def modified(self):
"""Called when the list focus switches to a new status"""
status, index, count = self.get_focused_status_with_counts()
self.draw_status_details(status)
self._emit("focus")
def refresh_status_details(self):
"""Redraws the details of the focused status."""
status = self.get_focused_status()
pos = self.status_detail_scrollable.get_scrollpos()
self.draw_status_details(status)
self.status_detail_scrollable.set_scrollpos(pos)
def draw_status_details(self, status):
self.status_details = StatusDetails(self, status)
widget = self.wrap_status_details(self.status_details)
self.contents[2] = widget, ("weight", 60, False)
def keypress(self, size, key):
status = self.get_focused_status()
command = self._command_map[key]
if not status:
return super().keypress(size, key)
# If down is pressed on last status in list emit a signal to load more.
# TODO: Consider pre-loading statuses earlier
if command in [urwid.CURSOR_DOWN, urwid.CURSOR_PAGE_DOWN] \
and self.status_list.body.focus:
index = self.status_list.body.focus + 1
count = len(self.statuses)
if index >= count:
self._emit("next")
if key in ("a", "A"):
account_id = status.original.data["account"]["id"]
self.tui.show_account(account_id)
return
if key in ("b", "B"):
self.tui.async_toggle_reblog(self, status)
return
if key in ("c", "C"):
self.tui.show_compose()
return
if key in ("d", "D"):
if status.is_mine:
self.tui.show_delete_confirmation(status)
return
if key in ("f", "F"):
self.tui.async_toggle_favourite(self, status)
return
if key in ("m", "M"):
self.tui.show_media(status)
return
if key in ("q", "Q"):
self._emit("close")
return
if key == "esc" and self.is_thread:
self._emit("close")
return
if key in ("r", "R"):
self.tui.show_compose(status)
return
if key in ("s", "S"):
status.original.show_sensitive = True
self.refresh_status_details()
return
if key in ("o", "O"):
self.tui.async_toggle_bookmark(self, status)
return
if key in ("i", "I"):
self.tui.show_links(status)
return
if key in ("n", "N"):
if self.tui.can_translate:
self.tui.async_translate(self, status)
return
if key in ("t", "T"):
self.tui.show_thread(status)
return
if key in ("u", "U"):
self.tui.show_status_source(status)
return
if key in ("v", "V"):
if status.original.url:
webbrowser.open(status.original.url)
# force a screen refresh; necessary with console browsers
self.tui.clear_screen()
return
if key in ("e", "E"):
self._emit("save", status)
return
if key in ("z", "Z"):
self.tui.show_status_zoom(self.status_details)
return
if key in ("p", "P"):
poll = status.original.data.get("poll")
if poll and not poll["expired"]:
self.tui.show_poll(status)
return
if key in ("y", "Y"):
self.tui.copy_status(status)
return
return super().keypress(size, key)
def append_status(self, status):
self.statuses.append(status)
self.status_list.body.append(self.build_list_item(status))
def prepend_status(self, status):
self.statuses.insert(0, status)
self.status_list.body.insert(0, self.build_list_item(status))
def append_statuses(self, statuses):
for status in statuses:
self.append_status(status)
def get_status_index(self, id):
# TODO: This is suboptimal, consider a better way
for n, status in enumerate(self.statuses):
if status.id == id:
return n
raise ValueError("Status with ID {} not found".format(id))
def focus_status(self, status):
index = self.get_status_index(status.id)
self.status_list.body.set_focus(index)
def update_status(self, status):
"""Overwrite status in list with the new instance and redraw."""
index = self.get_status_index(status.id)
assert self.statuses[index].id == status.id # Sanity check
# Update internal status list
self.statuses[index] = status
# Redraw list item
self.status_list.body[index] = self.build_list_item(status)
# Redraw status details if status is focused
if index == self.status_list.body.focus:
self.draw_status_details(status)
def remove_status(self, status):
index = self.get_status_index(status.id)
assert self.statuses[index].id == status.id # Sanity check
del self.statuses[index]
del self.status_list.body[index]
self.refresh_status_details()
class StatusDetails(urwid.Pile):
def __init__(self, timeline: Timeline, status: Optional[Status]):
self.status = status
self.followed_accounts = timeline.tui.followed_accounts
reblogged_by = status.author if status and status.reblog else None
widget_list = list(self.content_generator(status.original, reblogged_by)
if status else ())
return super().__init__(widget_list)
def content_generator(self, status, reblogged_by):
if reblogged_by:
text = "{} boosted".format(reblogged_by.display_name or reblogged_by.username)
yield ("pack", urwid.Text(("dim", text)))
yield ("pack", urwid.AttrMap(urwid.Divider("-"), "dim"))
if status.author.display_name:
yield ("pack", urwid.Text(("bold", status.author.display_name)))
account_color = "highlight" if status.author.account in self.followed_accounts else "account"
yield ("pack", urwid.Text((account_color, status.author.account)))
yield ("pack", urwid.Divider())
if status.data["spoiler_text"]:
yield ("pack", urwid.Text(status.data["spoiler_text"]))
yield ("pack", urwid.Divider())
# Show content warning
if status.data["spoiler_text"] and not status.show_sensitive:
yield ("pack", urwid.Text(("content_warning", "Marked as sensitive. Press S to view.")))
else:
content = status.original.translation if status.original.show_translation else status.data["content"]
widgetlist = html_to_widgets(content)
for line in widgetlist:
yield (line)
media = status.data["media_attachments"]
if media:
for m in media:
yield ("pack", urwid.AttrMap(urwid.Divider("-"), "dim"))
yield ("pack", urwid.Text([("bold", "Media attachment"), " (", m["type"], ")"]))
if m["description"]:
yield ("pack", urwid.Text(m["description"]))
yield ("pack", url_to_widget(m["url"]))
poll = status.original.data.get("poll")
if poll:
yield ("pack", urwid.Divider())
yield ("pack", self.build_linebox(self.poll_generator(poll)))
card = status.data.get("card")
if card:
yield ("pack", urwid.Divider())
yield ("pack", self.build_linebox(self.card_generator(card)))
application = status.data.get("application") or {}
application = application.get("name")
yield ("pack", urwid.AttrWrap(urwid.Divider("-"), "dim"))
translated_from = (
language_name(status.original.translated_from)
if status.original.show_translation and status.original.translated_from
else None
)
visibility_colors = {
"public": "visibility_public",
"unlisted": "visibility_unlisted",
"private": "visibility_private",
"direct": "visibility_direct"
}
visibility = status.visibility.title()
visibility_color = visibility_colors.get(status.visibility, "dim")
yield ("pack", urwid.Text([
("status_detail_timestamp", f"{status.created_at.strftime('%Y-%m-%d %H:%M')} "),
("status_detail_bookmarked" if status.bookmarked else "dim", "b "),
("dim", f"{status.data['replies_count']} "),
("highlight" if status.reblogged else "dim", f"{status.data['reblogs_count']} "),
("highlight" if status.favourited else "dim", f"{status.data['favourites_count']}"),
(visibility_color, f" · {visibility}"),
("highlight", f" · Translated from {translated_from} " if translated_from else ""),
("dim", f" · {application}" if application else ""),
]))
# Push things to bottom
yield ("weight", 1, urwid.BoxAdapter(urwid.SolidFill(" "), 1))
def build_linebox(self, contents):
contents = urwid.Pile(list(contents))
contents = urwid.Padding(contents, left=1, right=1)
return urwid.LineBox(contents)
def card_generator(self, card):
yield urwid.Text(("card_title", card["title"].strip()))
if card.get("author_name"):
yield urwid.Text(["by ", ("card_author", card["author_name"].strip())])
yield urwid.Text("")
if card["description"]:
yield urwid.Text(card["description"].strip())
yield urwid.Text("")
yield url_to_widget(card["url"])
def poll_generator(self, poll):
for idx, option in enumerate(poll["options"]):
perc = (round(100 * option["votes_count"] / poll["votes_count"])
if poll["votes_count"] else 0)
if poll["voted"] and poll["own_votes"] and idx in poll["own_votes"]:
voted_for = ""
else:
voted_for = ""
yield urwid.Text(option["title"] + voted_for)
yield urwid.ProgressBar("", "poll_bar", perc)
status = "Poll · {} votes".format(poll["votes_count"])
if poll["expired"]:
status += " · Closed"
if poll["expires_at"]:
expires_at = parse_datetime(poll["expires_at"]).strftime("%Y-%m-%d %H:%M")
status += " · Closes on {}".format(expires_at)
yield urwid.Text(("dim", status))
class StatusListItem(SelectableColumns):
def __init__(self, status, relative_datetimes):
edited_at = status.data.get("edited_at")
# TODO: hacky implementation to avoid creating conflicts for existing
# pull reuqests, refactor when merged.
created_at = (
time_ago(status.created_at).ljust(3, " ")
if relative_datetimes
else status.created_at.strftime("%Y-%m-%d %H:%M")
)
edited_flag = "*" if edited_at else " "
favourited = ("highlight", "") if status.original.favourited else " "
reblogged = ("highlight", "") if status.original.reblogged else " "
is_reblog = ("dim", "") if status.reblog else " "
is_reply = ("dim", "") if status.original.in_reply_to else " "
return super().__init__([
("pack", SelectableText(("status_list_timestamp", created_at), wrap="clip")),
("pack", urwid.Text(("status_list_timestamp", edited_flag))),
("pack", urwid.Text(" ")),
("pack", urwid.Text(favourited)),
("pack", urwid.Text(" ")),
("pack", urwid.Text(reblogged)),
("pack", urwid.Text(" ")),
urwid.Text(("status_list_account", status.original.account), wrap="clip"),
("pack", urwid.Text(is_reply)),
("pack", urwid.Text(is_reblog)),
("pack", urwid.Text(" ")),
])