kopia lustrzana https://github.com/ihabunek/toot
689 wiersze
24 KiB
Python
689 wiersze
24 KiB
Python
import logging
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from typing import List
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import urwid
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from concurrent.futures import ThreadPoolExecutor
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from toot import api, config, __version__
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from toot.console import get_default_visibility
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from toot.exceptions import ApiError
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from .compose import StatusComposer
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from .constants import PALETTE
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from .entities import Status, StatusMeta, from_dict
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from .overlays import ExceptionStackTrace, GotoMenu, Help, StatusSource, StatusLinks, StatusZoom
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from .overlays import StatusDeleteConfirmation, Account
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from .timeline import Timeline
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from .utils import parse_content_links, show_media
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logger = logging.getLogger(__name__)
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urwid.set_encoding('UTF-8')
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class Header(urwid.WidgetWrap):
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def __init__(self, app, user):
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self.app = app
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self.user = user
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self.text = urwid.Text("")
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self.cols = urwid.Columns([
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("pack", urwid.Text(('header_bold', 'toot'))),
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("pack", urwid.Text(('header', ' | {}@{}'.format(user.username, app.instance)))),
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("pack", self.text),
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])
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widget = urwid.AttrMap(self.cols, 'header')
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widget = urwid.Padding(widget)
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self._wrapped_widget = widget
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def clear_text(self, text):
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self.text.set_text("")
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def set_text(self, text):
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self.text.set_text(" | " + text)
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class Footer(urwid.Pile):
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def __init__(self):
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self.status = urwid.Text("")
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self.message = urwid.Text("")
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return super().__init__([
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urwid.AttrMap(self.status, "footer_status"),
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urwid.AttrMap(self.message, "footer_message"),
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])
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def set_status(self, text):
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self.status.set_text(text)
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def clear_status(self, text):
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self.status.set_text("")
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def set_message(self, text):
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self.message.set_text(text)
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def set_error_message(self, text):
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self.message.set_text(("footer_message_error", text))
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def clear_message(self):
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self.message.set_text("")
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class TUI(urwid.Frame):
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"""Main TUI frame."""
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@classmethod
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def create(cls, app, user, args):
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"""Factory method, sets up TUI and an event loop."""
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tui = cls(app, user, args)
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loop = urwid.MainLoop(
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tui,
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palette=PALETTE,
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event_loop=urwid.AsyncioEventLoop(),
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unhandled_input=tui.unhandled_input,
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)
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tui.loop = loop
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return tui
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def __init__(self, app, user, args):
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self.app = app
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self.user = user
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self.args = args
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self.config = config.load_config()
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self.loop = None # set in `create`
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self.executor = ThreadPoolExecutor(max_workers=1)
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self.timeline_generator = api.home_timeline_generator(app, user, limit=40)
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# Show intro screen while toots are being loaded
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self.body = self.build_intro()
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self.header = Header(app, user)
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self.footer = Footer()
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self.footer.set_status("Loading...")
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# Default max status length, updated on startup
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self.max_toot_chars = 500
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self.timeline = None
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self.overlay = None
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self.exception = None
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self.can_translate = False
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super().__init__(self.body, header=self.header, footer=self.footer)
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def run(self):
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self.loop.set_alarm_in(0, lambda *args: self.async_load_instance())
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self.loop.set_alarm_in(0, lambda *args: self.async_load_followed_tags())
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self.loop.set_alarm_in(0, lambda *args: self.async_load_timeline(
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is_initial=True, timeline_name="home"))
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self.loop.run()
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self.executor.shutdown(wait=False)
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def build_intro(self):
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font = urwid.font.Thin6x6Font()
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# NB: Padding with width="clip" will convert the fixed BigText widget
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# to a flow widget so it can be used in a Pile.
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big_text = "Toot {}".format(__version__)
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big_text = urwid.BigText(("intro_bigtext", big_text), font)
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big_text = urwid.Padding(big_text, align="center", width="clip")
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intro = urwid.Pile([
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big_text,
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urwid.Divider(),
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urwid.Text([
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"Maintained by ",
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("intro_smalltext", "@ihabunek"),
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" and contributors"
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], align="center"),
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urwid.Divider(),
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urwid.Text(("intro_smalltext", "Loading toots..."), align="center"),
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])
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return urwid.Filler(intro)
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def run_in_thread(self, fn, args=[], kwargs={}, done_callback=None, error_callback=None):
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"""Runs `fn(*args, **kwargs)` asynchronously in a separate thread.
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On completion calls `done_callback` if `fn` exited cleanly, or
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`error_callback` if an exception was caught. Callback methods are
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invoked in the main thread, not the thread in which `fn` is executed.
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"""
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def _default_error_callback(ex):
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self.exception = ex
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self.footer.set_error_message("An exception occurred, press E to view")
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_error_callback = error_callback or _default_error_callback
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def _done(future):
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try:
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result = future.result()
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if done_callback:
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# Use alarm to invoke callback in main thread
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self.loop.set_alarm_in(0, lambda *args: done_callback(result))
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except Exception as ex:
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exception = ex
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logger.exception(exception)
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self.loop.set_alarm_in(0, lambda *args: _error_callback(exception))
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future = self.executor.submit(fn, *args, **kwargs)
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future.add_done_callback(_done)
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return future
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def connect_default_timeline_signals(self, timeline):
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def _account(timeline, account_id):
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self.show_account(account_id)
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def _compose(*args):
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self.show_compose()
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def _delete(timeline, status):
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if status._meta.is_mine:
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self.show_delete_confirmation(status)
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def _reply(timeline, status):
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self.show_compose(status)
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def _source(timeline, status):
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self.show_status_source(status)
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def _links(timeline, status):
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self.show_links(status)
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def _media(timeline, status):
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self.show_media(status)
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def _menu(timeline, status):
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self.show_context_menu(status)
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def _zoom(timeline, status_details):
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self.show_status_zoom(status_details)
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def _clear(*args):
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self.clear_screen()
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urwid.connect_signal(timeline, "account", _account)
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urwid.connect_signal(timeline, "bookmark", self.async_toggle_bookmark)
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urwid.connect_signal(timeline, "compose", _compose)
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urwid.connect_signal(timeline, "delete", _delete)
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urwid.connect_signal(timeline, "favourite", self.async_toggle_favourite)
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urwid.connect_signal(timeline, "focus", self.refresh_footer)
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urwid.connect_signal(timeline, "media", _media)
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urwid.connect_signal(timeline, "menu", _menu)
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urwid.connect_signal(timeline, "reblog", self.async_toggle_reblog)
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urwid.connect_signal(timeline, "reply", _reply)
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urwid.connect_signal(timeline, "source", _source)
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urwid.connect_signal(timeline, "links", _links)
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urwid.connect_signal(timeline, "zoom", _zoom)
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urwid.connect_signal(timeline, "translate", self.async_translate)
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urwid.connect_signal(timeline, "clear-screen", _clear)
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def build_timeline(self, name, statuses, local):
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def _close(*args):
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raise urwid.ExitMainLoop()
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def _next(*args):
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self.async_load_timeline(is_initial=False)
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def _thread(timeline, status):
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self.show_thread(status)
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def _toggle_save(timeline, status):
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if not timeline.name.startswith("#"):
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return
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hashtag = timeline.name[1:]
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assert isinstance(local, bool), local
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timelines = self.config.setdefault("timelines", {})
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if hashtag in timelines:
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del timelines[hashtag]
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self.footer.set_message("#{} unpinned".format(hashtag))
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else:
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timelines[hashtag] = {"local": local}
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self.footer.set_message("#{} pinned".format(hashtag))
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self.loop.set_alarm_in(5, lambda *args: self.footer.clear_message())
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config.save_config(self.config)
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timeline = Timeline(name, statuses, self.can_translate, self.followed_tags)
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self.connect_default_timeline_signals(timeline)
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urwid.connect_signal(timeline, "next", _next)
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urwid.connect_signal(timeline, "close", _close)
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urwid.connect_signal(timeline, "thread", _thread)
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urwid.connect_signal(timeline, "save", _toggle_save)
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return timeline
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def make_status(self, data):
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status = from_dict(Status, data)
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status._meta = StatusMeta(status, data, self.app, self.user)
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return status
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def show_thread(self, status):
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def _close(*args):
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"""When thread is closed, go back to the main timeline."""
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self.body = self.timeline
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self.body.refresh_status_details()
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self.refresh_footer(self.timeline)
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# This is pretty fast, so it's probably ok to block while context is
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# loaded, can be made async later if needed
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context = api.context(self.app, self.user, status.original.id)
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ancestors = [self.make_status(s) for s in context["ancestors"]]
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descendants = [self.make_status(s) for s in context["descendants"]]
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statuses = ancestors + [status] + descendants
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focus = len(ancestors)
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timeline = Timeline("thread", statuses, self.can_translate,
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self.followed_tags, focus, is_thread=True)
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self.connect_default_timeline_signals(timeline)
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urwid.connect_signal(timeline, "close", _close)
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self.body = timeline
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self.refresh_footer(timeline)
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def async_load_timeline(self, is_initial, timeline_name=None, local=None):
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"""Asynchronously load a list of statuses."""
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def _load_statuses():
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self.footer.set_message("Loading statuses...")
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try:
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data = next(self.timeline_generator)
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except StopIteration:
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return []
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finally:
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self.footer.clear_message()
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return [self.make_status(s) for s in data]
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def _done_initial(statuses):
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"""Process initial batch of statuses, construct a Timeline."""
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self.timeline = self.build_timeline(timeline_name, statuses, local)
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self.timeline.refresh_status_details() # Draw first status
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self.refresh_footer(self.timeline)
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self.body = self.timeline
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def _done_next(statuses: List[Status]):
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"""Process sequential batch of statuses, adds statuses to the
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existing timeline."""
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if self.timeline:
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self.timeline.append_statuses(statuses)
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return self.run_in_thread(_load_statuses,
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done_callback=_done_initial if is_initial else _done_next)
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def async_load_instance(self):
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"""
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Attempt to update max_toot_chars from instance data.
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Does not work on vanilla Mastodon, works on Pleroma.
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See: https://github.com/tootsuite/mastodon/issues/4915
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Also attempt to update translation flag from instance
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data. Translation is only present on Mastodon 4+ servers
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where the administrator has enabled this feature.
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See: https://github.com/mastodon/mastodon/issues/19328
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"""
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def _load_instance():
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return api.get_instance(self.app.instance)
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def _done(instance):
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if "max_toot_chars" in instance:
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self.max_toot_chars = instance["max_toot_chars"]
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if "translation" in instance:
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# instance is advertising translation service
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self.can_translate = instance["translation"]["enabled"]
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elif "version" in instance:
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# fallback check:
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# get the major version number of the server
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# this works for Mastodon and Pleroma version strings
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# Mastodon versions < 4 do not have translation service
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# Revisit this logic if Pleroma implements translation
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ch = instance["version"][0]
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self.can_translate = int(ch) > 3 if ch.isnumeric() else False
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return self.run_in_thread(_load_instance, done_callback=_done)
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def async_load_followed_tags(self):
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def _load_tag_list():
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try:
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return api.followed_tags(self.app, self.user)
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except ApiError:
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# not supported by all Mastodon servers so fail silently if necessary
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return []
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def _done_tag_list(tags):
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if len(tags) > 0:
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self.followed_tags = [t["name"] for t in tags]
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else:
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self.followed_tags = []
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self.run_in_thread(_load_tag_list, done_callback=_done_tag_list)
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def refresh_footer(self, timeline):
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"""Show status details in footer."""
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status, index, count = timeline.get_focused_status_with_counts()
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self.footer.set_status([
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("footer_status_bold", "[{}] ".format(timeline.name)),
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] + ([status.id, " - status ", str(index + 1), " of ", str(count)]
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if status else ["no focused status"]))
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def show_status_source(self, status):
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self.open_overlay(
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widget=StatusSource(status),
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title="Status source",
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)
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def clear_screen(self):
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self.loop.screen.clear()
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def show_links(self, status: Status):
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links = parse_content_links(status.content)
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post_attachments = status.media_attachments
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reblog_attachments = status.reblog.media_attachments if status.reblog else []
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for attachment in post_attachments + reblog_attachments:
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url = attachment.remote_url or attachment.url
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description = attachment.description if attachment.description else url
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links.append((url, description))
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def _clear(*args):
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self.clear_screen()
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if links:
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sl_widget = StatusLinks(links)
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urwid.connect_signal(sl_widget, "clear-screen", _clear)
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self.open_overlay(
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widget=sl_widget,
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title="Status links",
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options={"height": len(links) + 2},
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)
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def show_status_zoom(self, status_details):
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self.open_overlay(
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widget=StatusZoom(status_details),
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title="Status zoom",
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)
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def show_exception(self, exception):
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self.open_overlay(
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widget=ExceptionStackTrace(exception),
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title="Unhandled Exception",
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)
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def show_compose(self, in_reply_to=None):
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def _close(*args):
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self.close_overlay()
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def _post(timeline, *args):
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self.post_status(*args)
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composer = StatusComposer(self.max_toot_chars, self.user.username, in_reply_to)
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urwid.connect_signal(composer, "close", _close)
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urwid.connect_signal(composer, "post", _post)
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self.open_overlay(composer, title="Compose status")
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def show_goto_menu(self):
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user_timelines = self.config.get("timelines", {})
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menu = GotoMenu(user_timelines)
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urwid.connect_signal(menu, "home_timeline",
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lambda x: self.goto_home_timeline())
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urwid.connect_signal(menu, "public_timeline",
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lambda x, local: self.goto_public_timeline(local))
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urwid.connect_signal(menu, "bookmark_timeline",
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lambda x, local: self.goto_bookmarks())
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urwid.connect_signal(menu, "hashtag_timeline",
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lambda x, tag, local: self.goto_tag_timeline(tag, local=local))
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self.open_overlay(menu, title="Go to", options=dict(
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align="center", width=("relative", 60),
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valign="middle", height=10 + len(user_timelines),
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))
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def show_help(self):
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self.open_overlay(Help(), title="Help")
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def goto_home_timeline(self):
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self.timeline_generator = api.home_timeline_generator(
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self.app, self.user, limit=40)
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promise = self.async_load_timeline(is_initial=True, timeline_name="home")
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promise.add_done_callback(lambda *args: self.close_overlay())
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def goto_public_timeline(self, local):
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self.timeline_generator = api.public_timeline_generator(
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self.app, self.user, local=local, limit=40)
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promise = self.async_load_timeline(is_initial=True, timeline_name="public")
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promise.add_done_callback(lambda *args: self.close_overlay())
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def goto_bookmarks(self):
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self.timeline_generator = api.bookmark_timeline_generator(
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self.app, self.user, limit=40)
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promise = self.async_load_timeline(is_initial=True, timeline_name="bookmarks")
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promise.add_done_callback(lambda *args: self.close_overlay())
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def goto_tag_timeline(self, tag, local):
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self.timeline_generator = api.tag_timeline_generator(
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self.app, self.user, tag, local=local, limit=40)
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promise = self.async_load_timeline(
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is_initial=True, timeline_name="#{}".format(tag), local=local,
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)
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promise.add_done_callback(lambda *args: self.close_overlay())
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def show_media(self, status):
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urls = [m["url"] for m in status.original.data["media_attachments"]]
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if urls:
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show_media(urls)
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def show_context_menu(self, status):
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# TODO: show context menu
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pass
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def show_delete_confirmation(self, status):
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def _delete(widget):
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promise = self.async_delete_status(self.timeline, status)
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promise.add_done_callback(lambda *args: self.close_overlay())
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def _close(widget):
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self.close_overlay()
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widget = StatusDeleteConfirmation(status)
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|
urwid.connect_signal(widget, "close", _close)
|
|
urwid.connect_signal(widget, "delete", _delete)
|
|
self.open_overlay(widget, title="Delete status?", options=dict(
|
|
align="center", width=("relative", 60),
|
|
valign="middle", height=5,
|
|
))
|
|
|
|
def post_status(self, content, warning, visibility, in_reply_to_id):
|
|
data = api.post_status(self.app, self.user, content,
|
|
spoiler_text=warning,
|
|
visibility=visibility,
|
|
in_reply_to_id=in_reply_to_id)
|
|
status = self.make_status(data)
|
|
|
|
# TODO: fetch new items from the timeline?
|
|
|
|
self.footer.set_message("Status posted {} \\o/".format(status.id))
|
|
self.close_overlay()
|
|
|
|
def show_account(self, account_id):
|
|
account = api.whois(self.app, self.user, account_id)
|
|
self.open_overlay(
|
|
widget=Account(account),
|
|
title="Account",
|
|
)
|
|
|
|
def async_toggle_favourite(self, timeline: Timeline, status: Status):
|
|
def _favourite():
|
|
logger.info("Favouriting {}".format(status))
|
|
api.favourite(self.app, self.user, status.id)
|
|
|
|
def _unfavourite():
|
|
logger.info("Unfavouriting {}".format(status))
|
|
api.unfavourite(self.app, self.user, status.id)
|
|
|
|
def _done(loop):
|
|
status.favourited = not status.favourited
|
|
timeline.redraw_status(status)
|
|
|
|
self.run_in_thread(
|
|
_unfavourite if status.favourited else _favourite,
|
|
done_callback=_done
|
|
)
|
|
|
|
def async_toggle_reblog(self, timeline: Timeline, status: Status):
|
|
def _reblog():
|
|
logger.info("Reblogging {}".format(status))
|
|
api.reblog(self.app, self.user, status.id, visibility=get_default_visibility())
|
|
|
|
def _unreblog():
|
|
logger.info("Unreblogging {}".format(status))
|
|
api.unreblog(self.app, self.user, status.id)
|
|
|
|
def _done(loop):
|
|
status.reblogged = not status.reblogged
|
|
timeline.redraw_status(status)
|
|
|
|
# Check if status is rebloggable
|
|
no_reblog_because_private = status.visibility == "private" and not status._meta.is_mine
|
|
no_reblog_because_direct = status.visibility == "direct"
|
|
if no_reblog_because_private or no_reblog_because_direct:
|
|
self.footer.set_error_message("You may not reblog this {} status".format(status.visibility))
|
|
return
|
|
|
|
self.run_in_thread(
|
|
_unreblog if status.reblogged else _reblog,
|
|
done_callback=_done
|
|
)
|
|
|
|
def async_translate(self, timeline: Timeline, status: Status):
|
|
meta = status._meta
|
|
assert meta
|
|
|
|
def _translate():
|
|
logger.info("Translating {}".format(status))
|
|
self.footer.set_message("Translating status {}".format(status.id))
|
|
|
|
try:
|
|
response = api.translate(self.app, self.user, status.id)
|
|
if response["content"]:
|
|
self.footer.set_message("Status translated")
|
|
else:
|
|
self.footer.set_error_message("Server returned empty translation")
|
|
response = None
|
|
except Exception:
|
|
response = None
|
|
self.footer.set_error_message("Translate server error")
|
|
|
|
self.loop.set_alarm_in(3, lambda *args: self.footer.clear_message())
|
|
return response
|
|
|
|
def _done(response):
|
|
if response is not None:
|
|
meta.translation = response["content"]
|
|
meta.translated_from = response["detected_source_language"]
|
|
meta.show_translation = True
|
|
timeline.redraw_status(status)
|
|
|
|
# If already translated, toggle showing translation
|
|
if meta.translation:
|
|
meta.show_translation = not meta.show_translation
|
|
timeline.redraw_status(status)
|
|
else:
|
|
self.run_in_thread(_translate, done_callback=_done)
|
|
|
|
def async_toggle_bookmark(self, timeline: Timeline, status: Status):
|
|
def _bookmark():
|
|
logger.info("Bookmarking {}".format(status))
|
|
api.bookmark(self.app, self.user, status.id)
|
|
|
|
def _unbookmark():
|
|
logger.info("Unbookmarking {}".format(status))
|
|
api.unbookmark(self.app, self.user, status.id)
|
|
|
|
def _done(loop):
|
|
status.bookmarked = not status.bookmarked
|
|
timeline.redraw_status(status)
|
|
|
|
self.run_in_thread(
|
|
_unbookmark if status.bookmarked else _bookmark,
|
|
done_callback=_done
|
|
)
|
|
|
|
def async_delete_status(self, timeline, status):
|
|
def _delete():
|
|
api.delete_status(self.app, self.user, status.id)
|
|
|
|
def _done(loop):
|
|
timeline.remove_status(status)
|
|
|
|
return self.run_in_thread(_delete, done_callback=_done)
|
|
|
|
# --- Overlay handling -----------------------------------------------------
|
|
|
|
default_overlay_options = dict(
|
|
align="center", width=("relative", 80),
|
|
valign="middle", height=("relative", 80),
|
|
)
|
|
|
|
def open_overlay(self, widget, options={}, title=""):
|
|
top_widget = urwid.LineBox(widget, title=title)
|
|
bottom_widget = self.body
|
|
|
|
_options = self.default_overlay_options.copy()
|
|
_options.update(options)
|
|
|
|
self.overlay = urwid.Overlay(
|
|
top_widget,
|
|
bottom_widget,
|
|
**_options
|
|
)
|
|
self.body = self.overlay
|
|
|
|
def close_overlay(self):
|
|
self.body = self.overlay.bottom_w
|
|
self.overlay = None
|
|
|
|
# --- Keys -----------------------------------------------------------------
|
|
|
|
def unhandled_input(self, key):
|
|
# TODO: this should not be in unhandled input
|
|
if key in ('e', 'E'):
|
|
if self.exception:
|
|
self.show_exception(self.exception)
|
|
|
|
elif key in ('g', 'G'):
|
|
if not self.overlay:
|
|
self.show_goto_menu()
|
|
|
|
elif key in ('h', 'H'):
|
|
if not self.overlay:
|
|
self.show_help()
|
|
|
|
elif key == ',':
|
|
if not self.overlay:
|
|
self.timeline_generator = api.home_timeline_generator(
|
|
self.app, self.user, limit=40)
|
|
self.async_load_timeline(is_initial=True, timeline_name=self.timeline.name)
|
|
|
|
elif key == 'esc':
|
|
if self.overlay:
|
|
self.close_overlay()
|
|
elif self.timeline.name != "home":
|
|
# similar to goto_home_timeline() but without handling overlay (absent here)
|
|
self.timeline_generator = api.home_timeline_generator(
|
|
self.app, self.user, limit=40)
|
|
self.async_load_timeline(is_initial=True, timeline_name="home")
|
|
|
|
elif key in ('q', 'Q'):
|
|
if self.overlay:
|
|
self.close_overlay()
|
|
else:
|
|
raise urwid.ExitMainLoop()
|