297 lines
10 KiB
Python
297 lines
10 KiB
Python
import logging
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import urwid
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import webbrowser
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from toot.utils import format_content
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from .utils import highlight_hashtags, parse_datetime, highlight_keys
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from .widgets import SelectableText, SelectableColumns
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logger = logging.getLogger("toot")
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class Timeline(urwid.Columns):
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"""
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Displays a list of statuses to the left, and status details on the right.
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"""
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signals = [
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"close", # Close thread
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"compose", # Compose a new toot
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"favourite", # Favourite status
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"focus", # Focus changed
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"media", # Display media attachments
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"menu", # Show a context menu
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"next", # Fetch more statuses
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"reblog", # Reblog status
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"reply", # Compose a reply to a status
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"source", # Show status source
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"thread", # Show thread for status
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]
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def __init__(self, name, statuses, focus=0, is_thread=False):
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self.name = name
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self.is_thread = is_thread
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self.statuses = statuses
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self.status_list = self.build_status_list(statuses, focus=focus)
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self.status_details = StatusDetails(statuses[focus], is_thread)
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super().__init__([
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("weight", 40, self.status_list),
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("weight", 0, urwid.AttrWrap(urwid.SolidFill("│"), "blue_selected")),
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("weight", 60, self.status_details),
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])
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def build_status_list(self, statuses, focus):
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items = [self.build_list_item(status) for status in statuses]
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walker = urwid.SimpleFocusListWalker(items)
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walker.set_focus(focus)
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urwid.connect_signal(walker, "modified", self.modified)
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return urwid.ListBox(walker)
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def build_list_item(self, status):
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item = StatusListItem(status)
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urwid.connect_signal(item, "click", lambda *args:
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self._emit("menu", status))
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return urwid.AttrMap(item, None, focus_map={
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"blue": "green_selected",
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"green": "green_selected",
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"yellow": "green_selected",
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None: "green_selected",
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})
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def get_focused_status(self):
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return self.statuses[self.status_list.body.focus]
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def get_focused_status_with_counts(self):
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"""Returns a tuple of:
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* focused status
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* focused status' index in the status list
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* length of the status list
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"""
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return (
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self.get_focused_status(),
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self.status_list.body.focus,
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len(self.statuses),
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)
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def modified(self):
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"""Called when the list focus switches to a new status"""
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status, index, count = self.get_focused_status_with_counts()
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self.draw_status_details(status)
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self._emit("focus")
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def refresh_status_details(self):
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"""Redraws the details of the focused status."""
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status = self.get_focused_status()
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self.draw_status_details(status)
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def draw_status_details(self, status):
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self.status_details = StatusDetails(status, self.is_thread)
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self.contents[2] = self.status_details, ("weight", 60, False)
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def keypress(self, size, key):
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status = self.get_focused_status()
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command = self._command_map[key]
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# If down is pressed on last status in list emit a signal to load more.
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# TODO: Consider pre-loading statuses earlier
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if command in [urwid.CURSOR_DOWN, urwid.CURSOR_PAGE_DOWN]:
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index = self.status_list.body.focus + 1
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count = len(self.statuses)
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if index >= count:
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self._emit("next")
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if key in ("b", "B"):
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self._emit("reblog", status)
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return
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if key in ("c", "C"):
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self._emit("compose")
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return
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if key in ("f", "F"):
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self._emit("favourite", status)
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return
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if key in ("m", "M"):
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self._emit("media", status)
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return
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if key in ("q", "Q"):
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self._emit("close")
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return
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if key in ("r", "R"):
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self._emit("reply", status)
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return
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if key in ("s", "S"):
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status.show_sensitive = True
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self.refresh_status_details()
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return
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if key in ("t", "T"):
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self._emit("thread", status)
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return
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if key in ("u", "U"):
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self._emit("source", status)
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return
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if key in ("v", "V"):
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if status.data["url"]:
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webbrowser.open(status.data["url"])
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return
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return super().keypress(size, key)
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def append_status(self, status):
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self.statuses.append(status)
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self.status_list.body.append(self.build_list_item(status))
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def prepend_status(self, status):
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self.statuses.insert(0, status)
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self.status_list.body.insert(0, self.build_list_item(status))
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def append_statuses(self, statuses):
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for status in statuses:
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self.append_status(status)
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def get_status_index(self, id):
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# TODO: This is suboptimal, consider a better way
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for n, status in enumerate(self.statuses):
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if status.id == id:
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return n
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raise ValueError("Status with ID {} not found".format(id))
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def focus_status(self, status):
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index = self.get_status_index(status.id)
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self.status_list.body.set_focus(index)
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def update_status(self, status):
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"""Overwrite status in list with the new instance and redraw."""
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index = self.get_status_index(status.id)
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assert self.statuses[index].id == status.id # Sanity check
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# Update internal status list
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self.statuses[index] = status
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# Redraw list item
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self.status_list.body[index] = self.build_list_item(status)
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# Redraw status details if status is focused
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if index == self.status_list.body.focus:
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self.draw_status_details(status)
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class StatusDetails(urwid.Pile):
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def __init__(self, status, in_thread):
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self.in_thread = in_thread
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widget_list = list(self.content_generator(status))
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return super().__init__(widget_list)
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def content_generator(self, status):
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if status.data["reblog"]:
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boosted_by = status.data["account"]["display_name"]
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yield ("pack", urwid.Text(("gray", "♺ {} boosted".format(boosted_by))))
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yield ("pack", urwid.AttrMap(urwid.Divider("-"), "gray"))
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if status.author.display_name:
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yield ("pack", urwid.Text(("green", status.author.display_name)))
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yield ("pack", urwid.Text(("yellow", status.author.account)))
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yield ("pack", urwid.Divider())
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if status.data["spoiler_text"]:
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yield ("pack", urwid.Text(status.data["spoiler_text"]))
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yield ("pack", urwid.Divider())
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# Show content warning
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if status.data["spoiler_text"] and not status.show_sensitive:
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yield ("pack", urwid.Text(("content_warning", "Marked as sensitive. Press S to view.")))
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else:
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for line in format_content(status.data["content"]):
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yield ("pack", urwid.Text(highlight_hashtags(line)))
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media = status.data["media_attachments"]
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if media:
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for m in media:
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yield ("pack", urwid.AttrMap(urwid.Divider("-"), "gray"))
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yield ("pack", urwid.Text([("bold", "Media attachment"), " (", m["type"], ")"]))
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if m["description"]:
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yield ("pack", urwid.Text(m["description"]))
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yield ("pack", urwid.Text(("link", m["url"])))
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poll = status.data.get("poll")
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if poll:
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yield ("pack", urwid.Divider())
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yield ("pack", self.build_linebox(self.poll_generator(poll)))
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card = status.data.get("card")
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if card:
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yield ("pack", urwid.Divider())
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yield ("pack", self.build_linebox(self.card_generator(card)))
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yield ("pack", urwid.AttrWrap(urwid.Divider("-"), "gray"))
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yield ("pack", urwid.Text([
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("gray", "⤶ {} ".format(status.data["replies_count"])),
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("yellow" if status.reblogged else "gray", "♺ {} ".format(status.data["reblogs_count"])),
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("yellow" if status.favourited else "gray", "★ {}".format(status.data["favourites_count"])),
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]))
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# Push things to bottom
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yield ("weight", 1, urwid.SolidFill(" "))
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options = "[B]oost [F]avourite [V]iew {}[R]eply So[u]rce [H]elp".format(
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"[T]hread " if not self.in_thread else "")
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options = highlight_keys(options, "cyan_bold", "cyan")
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yield ("pack", urwid.Text(options))
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def build_linebox(self, contents):
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contents = urwid.Pile(list(contents))
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contents = urwid.Padding(contents, left=1, right=1)
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return urwid.LineBox(contents)
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def card_generator(self, card):
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yield urwid.Text(("green", card["title"].strip()))
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if card["author_name"]:
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yield urwid.Text(["by ", ("yellow", card["author_name"].strip())])
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yield urwid.Text("")
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if card["description"]:
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yield urwid.Text(card["description"].strip())
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yield urwid.Text("")
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yield urwid.Text(("link", card["url"]))
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def poll_generator(self, poll):
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for option in poll["options"]:
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perc = (round(100 * option["votes_count"] / poll["votes_count"])
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if poll["votes_count"] else 0)
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yield urwid.Text(option["title"])
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yield urwid.ProgressBar("", "blue_selected", perc)
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if poll["expired"]:
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status = "Closed"
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else:
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expires_at = parse_datetime(poll["expires_at"]).strftime("%Y-%m-%d %H:%M")
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status = "Closes on {}".format(expires_at)
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status = "Poll · {} votes · {}".format(poll["votes_count"], status)
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yield urwid.Text(("gray", status))
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class StatusListItem(SelectableColumns):
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def __init__(self, status):
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created_at = status.created_at.strftime("%Y-%m-%d %H:%M")
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favourited = ("yellow", "★") if status.favourited else " "
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reblogged = ("yellow", "♺") if status.reblogged else " "
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return super().__init__([
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("pack", SelectableText(("blue", created_at), wrap="clip")),
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("pack", urwid.Text(" ")),
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("pack", urwid.Text(favourited)),
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("pack", urwid.Text(" ")),
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("pack", urwid.Text(reblogged)),
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("pack", urwid.Text(" ")),
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urwid.Text(("green", status.account), wrap="clip"),
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])
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