Beispiel #1
0
    def test_set_footer_text_specific_text(self,
                                           view: View,
                                           text: str = "blah") -> None:
        view.set_footer_text([text])

        view.frame.footer.set_text.assert_called_once_with([text])
        view.controller.update_screen.assert_called_once_with()
Beispiel #2
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    def test_set_footer_text_same_test(self,
                                       view: View,
                                       mocker: MockerFixture,
                                       text: List[str] = ["heya"]) -> None:
        view._w.footer.text = text

        view.set_footer_text(text)

        view._w.footer.set_text.assert_not_called()
Beispiel #3
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    def test_set_footer_text_default(self, view: View,
                                     mocker: MockerFixture) -> None:
        mocker.patch(VIEW + ".get_random_help",
                     return_value=["some help text"])

        view.set_footer_text()

        view.frame.footer.set_text.assert_called_once_with(["some help text"])
        view.controller.update_screen.assert_called_once_with()
Beispiel #4
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 def test_set_typeahead_footer(
     self,
     mocker: MockerFixture,
     view: View,
     state: Optional[int],
     suggestions: List[str],
     truncated: bool,
     footer_text: List[Any],
 ) -> None:
     set_footer_text = mocker.patch(VIEW + ".set_footer_text")
     view.set_typeahead_footer(suggestions, state, truncated)
     set_footer_text.assert_called_once_with(footer_text)
Beispiel #5
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    def __init__(
        self,
        *,
        config_file: str,
        maximum_footlinks: int,
        theme_name: str,
        theme: ThemeSpec,
        color_depth: int,
        debug_path: Optional[str],
        in_explore_mode: bool,
        autohide: bool,
        notify: bool,
    ) -> None:
        self.theme_name = theme_name
        self.theme = theme
        self.color_depth = color_depth
        self.in_explore_mode = in_explore_mode
        self.autohide = autohide
        self.notify_enabled = notify
        self.maximum_footlinks = maximum_footlinks

        self.debug_path = debug_path

        self._editor: Optional[Any] = None

        self.active_conversation_info: Dict[str, Any] = {}
        self.is_typing_notification_in_progress = False

        self.show_loading()
        client_identifier = f"ZulipTerminal/{ZT_VERSION} {platform()}"
        self.client = zulip.Client(config_file=config_file, client=client_identifier)
        self.model = Model(self)
        self.view = View(self)
        # Start polling for events after view is rendered.
        self.model.poll_for_events()

        screen = Screen()
        screen.set_terminal_properties(colors=self.color_depth)
        self.loop = urwid.MainLoop(self.view, self.theme, screen=screen)

        # urwid pipe for concurrent screen update handling
        self._update_pipe = self.loop.watch_pipe(self._draw_screen)

        # data and urwid pipe for inter-thread exception handling
        self._exception_info: Optional[ExceptionInfo] = None
        self._critical_exception = False
        self._exception_pipe = self.loop.watch_pipe(self._raise_exception)

        # Register new ^C handler
        signal.signal(signal.SIGINT, self.exit_handler)
Beispiel #6
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    def test_keypress_ALL_MENTIONS(
        self,
        view: View,
        mocker: MockerFixture,
        key: str,
        widget_size: Callable[[Widget], urwid_Box],
    ) -> None:
        view.mentioned_button = mocker.Mock()
        view.mentioned_button.activate = mocker.Mock()
        view.controller.is_in_editor_mode = lambda: False
        size = widget_size(view)

        view.keypress(size, key)

        view.mentioned_button.activate.assert_called_once_with(key)
Beispiel #7
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    def test_left_column_view(self, mocker: MockerFixture, view: View) -> None:
        left_view = mocker.patch(MODULE + ".LeftColumnView")
        left_tab = mocker.patch(MODULE + ".TabView")

        return_value = view.left_column_view()

        assert return_value == (left_view(view), left_tab())
Beispiel #8
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    def test_main_window(self, mocker, monkeypatch):
        left = mocker.patch("zulipterminal.ui.View.left_column_view")

        # NOTE: Use monkeypatch not patch, as view doesn't exist until later
        def just_set_message_view(self):
            self.message_view = mocker.Mock(read_message=lambda: None)

        monkeypatch.setattr(View, "middle_column_view", just_set_message_view)

        right = mocker.patch("zulipterminal.ui.View.right_column_view")
        col = mocker.patch("zulipterminal.ui.urwid.Columns")
        frame = mocker.patch("zulipterminal.ui.urwid.Frame")
        title_divider = mocker.patch("zulipterminal.ui.urwid.Divider")
        text = mocker.patch("zulipterminal.ui.urwid.Text")
        footer_view = mocker.patch("zulipterminal.ui.View.footer_view")

        full_name = "Bob James"
        email = "*****@*****.**"
        server = "https://chat.zulip.zulip/"
        server_name = "Test Organization"

        self.controller.model = self.model
        self.model.user_full_name = full_name
        self.model.user_email = email
        self.model.server_url = server
        self.model.server_name = server_name

        title_length = len(email) + len(full_name) + len(server) + len(
            server_name) + 11

        view = View(self.controller)

        left.assert_called_once_with()
        # NOTE: Don't check center here, as we're monkeypatching it
        right.assert_called_once_with()

        expected_column_calls = [
            mocker.call(
                [
                    (View.LEFT_WIDTH, left()),
                    ("weight", 10, mocker.ANY),  # ANY is a center
                    (0, right()),
                ],
                focus_column=0,
            ),
            mocker.call()._contents.set_focus_changed_callback(
                view.message_view.read_message),
            mocker.call([
                title_divider(),
                (title_length, text()),
                title_divider(),
            ]),
        ]
        col.assert_has_calls(expected_column_calls)

        assert view.body == col()
        frame.assert_called_once_with(view.body,
                                      col(),
                                      focus_part="body",
                                      footer=footer_view())
Beispiel #9
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    def test_set_footer_text_with_duration(
        self,
        view: View,
        mocker: MockerFixture,
        custom_text: str = "custom",
        duration: Optional[float] = 5.3,
    ) -> None:
        mocker.patch(VIEW + ".get_random_help",
                     return_value=["some help text"])
        mock_sleep = mocker.patch("time.sleep")

        view.set_footer_text([custom_text], duration=duration)

        view.frame.footer.set_text.assert_has_calls(
            [mocker.call([custom_text]),
             mocker.call(["some help text"])])
        mock_sleep.assert_called_once_with(duration)
        assert view.controller.update_screen.call_count == 2
Beispiel #10
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 def test_middle_column_view(self, view: View,
                             mocker: MockerFixture) -> None:
     middle_view = mocker.patch(MODULE + ".MiddleColumnView")
     line_box = mocker.patch(MODULE + ".urwid.LineBox")
     return_value = view.middle_column_view()
     middle_view.assert_called_once_with(view, view.model, view.write_box,
                                         view.search_box)
     assert view.middle_column == middle_view()
     assert return_value == line_box()
Beispiel #11
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 def test_init(self, mocker):
     main_window = mocker.patch('zulipterminal.ui.View.main_window')
     view = View(self.controller)
     assert view.controller == self.controller
     assert view.model == self.model
     assert view.pinned_streams == self.model.pinned_streams
     assert view.unpinned_streams == self.model.unpinned_streams
     self.write_box.assert_called_once_with(view)
     self.search_box.assert_called_once_with(self.controller)
     main_window.assert_called_once_with()
Beispiel #12
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    def test_right_column_view(self, view: View,
                               mocker: MockerFixture) -> None:
        right_view = mocker.patch(MODULE + ".RightColumnView")
        right_tab = mocker.patch(MODULE + ".TabView")
        line_box = mocker.patch(MODULE + ".urwid.LineBox")

        return_value = view.right_column_view()

        right_view.assert_called_once_with(view)
        assert view.users_view == right_view()
        assert return_value == (line_box(), right_tab())
Beispiel #13
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    def test_keypress_edit_mode(
        self,
        view: View,
        mocker: MockerFixture,
        key: str,
        widget_size: Callable[[Widget], urwid_Box],
    ) -> None:
        view.users_view = mocker.Mock()
        view.body = mocker.Mock()
        view.user_search = mocker.Mock()

        super_view = mocker.patch(MODULE + ".urwid.WidgetWrap.keypress")

        view.controller.is_in_editor_mode = lambda: True
        size = widget_size(view)

        view.keypress(size, key)

        view.controller.current_editor().keypress.assert_called_once_with(
            (size[1], ), key)
Beispiel #14
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 def __init__(self, config_file: str, theme: str) -> None:
     self.client = zulip.Client(config_file=config_file,
                                client='ZulipTerminal/0.1.0 ' + platform())
     # Register to the queue before initializing Model or View
     # so that we don't lose any updates while messages are being fetched.
     self.register()
     self.model = Model(self)
     self.view = View(self)
     # Start polling for events after view is rendered.
     self.model.poll_for_events()
     self.theme = theme
Beispiel #15
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 def test_init(self, mocker):
     main_window = mocker.patch(VIEW + ".main_window")
     view = View(self.controller)
     assert view.controller == self.controller
     assert view.model == self.model
     assert view.pinned_streams == self.model.pinned_streams
     assert view.unpinned_streams == self.model.unpinned_streams
     assert view.message_view is None
     self.write_box.assert_called_once_with(view)
     self.search_box.assert_called_once_with(self.controller)
     main_window.assert_called_once_with()
Beispiel #16
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    def test_keypress_normal_mode_navigation(
        self,
        view: View,
        mocker: MockerFixture,
        # TODO: Improve `widget_size`'s return type, likely via Protocols.
        widget_size: Callable[[Widget], urwid_Box],
        navigation_key: str,
    ) -> None:
        view.users_view = mocker.Mock()
        view.body = mocker.Mock()
        view.user_search = mocker.Mock()
        size = widget_size(view)

        super_keypress = mocker.patch(MODULE + ".urwid.WidgetWrap.keypress")

        view.controller.is_in_editor_mode = lambda: False

        view.keypress(size, navigation_key)

        super_keypress.assert_called_once_with(size, navigation_key)
Beispiel #17
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    def test_main_window(self, mocker):
        left = mocker.patch('zulipterminal.ui.View.left_column_view')
        center = mocker.patch('zulipterminal.ui.View.message_view')
        right = mocker.patch('zulipterminal.ui.View.right_column_view')
        col = mocker.patch("zulipterminal.ui.urwid.Columns")
        frame = mocker.patch('zulipterminal.ui.urwid.Frame')
        title_divider = mocker.patch('zulipterminal.ui.urwid.Divider')
        text = mocker.patch('zulipterminal.ui.urwid.Text')
        footer_view = mocker.patch('zulipterminal.ui.View.footer_view')

        full_name = "Bob James"
        email = "*****@*****.**"
        server = "https://chat.zulip.zulip/"
        server_name = "Test Organization"

        self.controller.model = self.model
        self.model.user_full_name = full_name
        self.model.user_email = email
        self.model.server_url = server
        self.model.server_name = server_name

        title_length = (len(email) + len(full_name) + len(server) +
                        len(server_name) + 11)

        view = View(self.controller)

        left.assert_called_once_with()
        center.assert_called_once_with()
        right.assert_called_once_with()

        expected_column_calls = [
            mocker.call([
                (View.LEFT_WIDTH, left()),
                ('weight', 10, center()),
                (0, right()),
            ],
                        focus_column=0),
            mocker.call()._contents.set_focus_changed_callback(
                view.model.msg_list.read_message),
            mocker.call([
                title_divider(),
                (title_length, text()),
                title_divider(),
            ])
        ]
        col.assert_has_calls(expected_column_calls)

        assert view.body == col()
        frame.assert_called_once_with(view.body,
                                      col(),
                                      focus_part='body',
                                      footer=footer_view())
Beispiel #18
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    def __init__(self, config_file: str, theme: ThemeSpec,
                 autohide: bool) -> None:
        self.theme = theme
        self.autohide = autohide
        self.editor_mode = False  # type: bool
        self.editor = None  # type: Any

        self.show_loading()
        self.client = zulip.Client(config_file=config_file,
                                   client='ZulipTerminal/{} {}'.format(
                                       ZT_VERSION, platform()))
        self.model = Model(self)
        self.view = View(self)
        # Start polling for events after view is rendered.
        self.model.poll_for_events()
Beispiel #19
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    def test_keypress_STREAM_MESSAGE(
        self,
        view: View,
        mocker: MockerFixture,
        key: str,
        autohide: bool,
        widget_size: Callable[[Widget], urwid_Box],
    ) -> None:
        mocked_middle_column = mocker.patch.object(view,
                                                   "middle_column",
                                                   create=True)
        view.body = mocker.Mock()
        view.controller.autohide = autohide
        view.body.contents = ["streams", "messages", "users"]
        view.left_panel = mocker.Mock()
        view.right_panel = mocker.Mock()
        view.controller.is_in_editor_mode = lambda: False
        size = widget_size(view)

        returned_key = view.keypress(size, key)

        mocked_middle_column.keypress.assert_called_once_with(size, key)
        assert returned_key == key
        assert view.body.focus_col == 1
Beispiel #20
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    def test_keypress_autohide_users(
        self,
        view: View,
        mocker: MockerFixture,
        autohide: bool,
        key: str,
        widget_size: Callable[[Widget], urwid_Box],
    ) -> None:
        mocked_users_view = mocker.patch.object(view,
                                                "users_view",
                                                create=True)
        view.body = mocker.Mock()
        view.controller.autohide = autohide
        view.body.contents = ["streams", "messages", mocker.Mock()]
        view.left_panel = mocker.Mock()
        view.right_panel = mocker.Mock()
        size = widget_size(view)
        view.controller.is_in_editor_mode = lambda: False
        view.body.focus_position = None

        view.keypress(size, key)

        mocked_users_view.keypress.assert_called_once_with(size, key)
        assert view.body.focus_position == 2
Beispiel #21
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    def __init__(self, config_file: str, theme: ThemeSpec, color_depth: int,
                 autohide: bool, notify: bool) -> None:
        self.theme = theme
        self.color_depth = color_depth
        self.autohide = autohide
        self.notify_enabled = notify

        self._editor = None  # type: Optional[Any]

        self.show_loading()
        self.client = zulip.Client(config_file=config_file,
                                   client='ZulipTerminal/{} {}'.format(
                                       ZT_VERSION, platform()))
        self.model = Model(self)
        self.view = View(self)
        # Start polling for events after view is rendered.
        self.model.poll_for_events()
Beispiel #22
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    def test_main_window(self, mocker):
        left = mocker.patch('zulipterminal.ui.View.left_column_view')
        center = mocker.patch('zulipterminal.ui.View.message_view')
        right = mocker.patch('zulipterminal.ui.View.right_column_view')
        col = mocker.patch("zulipterminal.ui.urwid.Columns")
        frame = mocker.patch('zulipterminal.ui.urwid.Frame')
        title_divider = mocker.patch('zulipterminal.ui.urwid.Divider')
        text = mocker.patch('zulipterminal.ui.urwid.Text')
        footer_view = mocker.patch('zulipterminal.ui.View.footer_view')

        full_name = "Bob James"
        email = "*****@*****.**"
        server = "https://chat.zulip.zulip"

        mocker.patch('zulipterminal.core.Controller.client.get_profile',
                     return_value=dict(full_name=full_name, email=email))
        self.controller.client.base_url = server
        title_length = (len(email) + len(full_name) + len(server) + 9)

        view = View(self.controller)

        left.assert_called_once_with()
        center.assert_called_once_with()
        right.assert_called_once_with()
        expected_column_calls = [
            mocker.call([
                (View.LEFT_WIDTH, left()),
                ('weight', 10, center()),
                (0, right()),
            ],
                        focus_column=0),
            mocker.call([
                title_divider(),
                (title_length, text()),
                title_divider(),
            ])
        ]
        col.assert_has_calls(expected_column_calls)

        assert view.body == col()
        frame.assert_called_once_with(view.body,
                                      col(),
                                      focus_part='body',
                                      footer=footer_view())
Beispiel #23
0
    def test_keypress_OPEN_DRAFT(
        self,
        view: View,
        mocker: MockerFixture,
        draft: Composition,
        key: str,
        autohide: bool,
        widget_size: Callable[[Widget], urwid_Box],
    ) -> None:
        view.body = mocker.Mock()
        view.body.contents = ["streams", "messages", "users"]
        view.left_panel = mocker.Mock()
        view.middle_column = mocker.Mock()
        view.right_panel = mocker.Mock()
        view.controller.autohide = autohide
        view.controller.report_error = mocker.Mock()
        view.controller.is_in_editor_mode = lambda: False
        view.model.stream_id_from_name.return_value = 10
        view.model.session_draft_message.return_value = draft
        view.model.user_id_email_dict = {
            1: "*****@*****.**",
            2: "*****@*****.**"
        }
        mocked_stream_box_view = mocker.patch.object(view.write_box,
                                                     "stream_box_view")
        mocked_private_box_view = mocker.patch.object(view.write_box,
                                                      "private_box_view")

        size = widget_size(view)
        view.keypress(size, key)

        if draft:
            if draft["type"] == "stream":
                mocked_stream_box_view.assert_called_once_with(
                    caption=draft["to"], title=draft["subject"], stream_id=10)
            else:
                mocked_private_box_view.assert_called_once_with(
                    recipient_user_ids=draft["to"], )

            assert view.body.focus_col == 1
            assert view.write_box.msg_write_box.edit_text == draft["content"]
            assert view.write_box.msg_write_box.edit_pos == len(
                draft["content"])
            view.middle_column.set_focus.assert_called_once_with("footer")
        else:
            view.controller.report_error.assert_called_once_with(
                "No draft message was saved in this session.")
Beispiel #24
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    def __init__(self, config_file: str, theme_name: str, theme: ThemeSpec,
                 color_depth: int, in_explore_mode: bool, autohide: bool,
                 notify: bool, footlinks: bool) -> None:
        self.theme_name = theme_name
        self.theme = theme
        self.color_depth = color_depth
        self.in_explore_mode = in_explore_mode
        self.autohide = autohide
        self.notify_enabled = notify
        self.footlinks_enabled = footlinks

        self._editor = None  # type: Optional[Any]

        self.show_loading()
        self.client = zulip.Client(config_file=config_file,
                                   client='ZulipTerminal/{} {}'.format(
                                       ZT_VERSION, platform()))
        self.model = Model(self)
        self.view = View(self)
        # Start polling for events after view is rendered.
        self.model.poll_for_events()

        screen = Screen()
        screen.set_terminal_properties(colors=self.color_depth)
        self.loop = urwid.MainLoop(self.view, self.theme, screen=screen)

        # urwid pipe for concurrent screen update handling
        self._update_pipe = self.loop.watch_pipe(self._draw_screen)

        # data and urwid pipe for inter-thread exception handling
        self._exception_info = None  # type: Optional[ExceptionInfo]
        self._critical_exception = False
        self._exception_pipe = self.loop.watch_pipe(self._raise_exception)

        # Register new ^C handler
        signal.signal(signal.SIGINT, self.exit_handler)
Beispiel #25
0
    def test_show_panel_methods(
        self,
        mocker: MockerFixture,
        visible: bool,
        autohide: bool,
        test_method: str,
    ) -> None:
        self.controller.autohide = autohide
        view = View(self.controller)
        view.frame.body = view.body

        tail = [None, 0, 0, "top", None, "relative", 100, None, 0, 0]
        if test_method == "left_panel":
            expected_overlay_options = ["left", None, "given", LEFT_WIDTH + 1
                                        ] + tail
            expected_tab = view.left_tab
            expected_panel = view.left_panel

            view.show_left_panel(visible=visible)
        else:
            expected_overlay_options = [
                "right", None, "given", RIGHT_WIDTH + 1
            ] + tail
            expected_tab = view.right_tab
            expected_panel = view.right_panel

            view.show_right_panel(visible=visible)

        if autohide:
            if visible:
                assert (expected_panel,
                        mocker.ANY) in view.frame.body.top_w.contents
                assert view.frame.body.bottom_w == view.body
                assert view.frame.body.contents[1][1] == tuple(
                    expected_overlay_options)
            else:
                assert (expected_tab, mocker.ANY) in view.frame.body.contents
                assert view.body.focus_position == 1
        else:
            # No change
            assert view.frame.body.contents[0][0] == view.left_panel
            assert view.frame.body.contents[2][0] == view.right_panel
Beispiel #26
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 def view(self, mocker):
     main_window = mocker.patch('zulipterminal.ui.View.main_window')
     return View(self.controller)
Beispiel #27
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 def view(self, mocker):
     main_window = mocker.patch('zulipterminal.ui.View.main_window')
     # View is an urwid.Frame instance, a Box widget.
     mocker.patch('zulipterminal.ui.View.sizing',
                  return_value=frozenset({'box'}))
     return View(self.controller)
Beispiel #28
0
    def view(self, mocker: MockerFixture) -> View:
        # View is an urwid.Frame instance, a Box widget.
        mocker.patch(VIEW + ".sizing", return_value=frozenset({"box"}))

        return View(self.controller)
Beispiel #29
0
class Controller:
    """
    A class responsible for setting up the model and view and running
    the application.
    """
    def __init__(
        self,
        config_file: str,
        maximum_footlinks: int,
        theme_name: str,
        theme: ThemeSpec,
        color_depth: int,
        in_explore_mode: bool,
        autohide: bool,
        notify: bool,
    ) -> None:
        self.theme_name = theme_name
        self.theme = theme
        self.color_depth = color_depth
        self.in_explore_mode = in_explore_mode
        self.autohide = autohide
        self.notify_enabled = notify
        self.maximum_footlinks = maximum_footlinks

        self._editor: Optional[Any] = None

        self.show_loading()
        client_identifier = f"ZulipTerminal/{ZT_VERSION} {platform()}"
        self.client = zulip.Client(config_file=config_file,
                                   client=client_identifier)
        self.model = Model(self)
        self.view = View(self)
        # Start polling for events after view is rendered.
        self.model.poll_for_events()

        screen = Screen()
        screen.set_terminal_properties(colors=self.color_depth)
        self.loop = urwid.MainLoop(self.view, self.theme, screen=screen)

        # urwid pipe for concurrent screen update handling
        self._update_pipe = self.loop.watch_pipe(self._draw_screen)

        # data and urwid pipe for inter-thread exception handling
        self._exception_info: Optional[ExceptionInfo] = None
        self._critical_exception = False
        self._exception_pipe = self.loop.watch_pipe(self._raise_exception)

        # Register new ^C handler
        signal.signal(signal.SIGINT, self.exit_handler)

    def raise_exception_in_main_thread(self, exc_info: ExceptionInfo, *,
                                       critical: bool) -> None:
        """
        Sets an exception from another thread, which is cleanly handled
        from within the Controller thread via _raise_exception
        """
        # Exceptions shouldn't occur before the pipe is set
        assert hasattr(self, "_exception_pipe")

        if isinstance(exc_info, tuple):
            self._exception_info = exc_info
            self._critical_exception = critical
        else:
            self._exception_info = (
                RuntimeError,
                f"Invalid cross-thread exception info '{exc_info}'",
                None,
            )
            self._critical_exception = True
        os.write(self._exception_pipe, b"1")

    def is_in_editor_mode(self) -> bool:
        return self._editor is not None

    def enter_editor_mode_with(self, editor: Any) -> None:
        assert self._editor is None, "Already in editor mode"
        self._editor = editor

    def exit_editor_mode(self) -> None:
        self._editor = None

    def current_editor(self) -> Any:
        assert self._editor is not None, "Current editor is None"
        return self._editor

    @asynch
    def show_loading(self) -> None:
        def spinning_cursor() -> Any:
            while True:
                yield from "|/-\\"

        spinner = spinning_cursor()
        sys.stdout.write("\033[92mWelcome to Zulip.\033[0m\n")
        while not hasattr(self, "view"):
            next_spinner = "Loading " + next(spinner)
            sys.stdout.write(next_spinner)
            sys.stdout.flush()
            time.sleep(0.1)
            sys.stdout.write("\b" * len(next_spinner))

        self.capture_stdout()

    def capture_stdout(self, path: str = "debug.log") -> None:
        if hasattr(self, "_stdout"):
            return

        self._stdout = sys.stdout
        sys.stdout = open(path, "a")

    def restore_stdout(self) -> None:
        if not hasattr(self, "_stdout"):
            return

        sys.stdout.flush()
        sys.stdout.close()
        sys.stdout = self._stdout
        sys.stdout.write("\n")
        del self._stdout

    def update_screen(self) -> None:
        # Update should not happen until pipe is set
        assert hasattr(self, "_update_pipe")
        # Write something to update pipe to trigger draw_screen
        os.write(self._update_pipe, b"1")

    def _draw_screen(self, *args: Any, **kwargs: Any) -> Literal[True]:
        self.loop.draw_screen()
        return True  # Always retain pipe

    def maximum_popup_dimensions(self) -> Tuple[int, int]:
        """
        Returns 3/4th of the screen estate's columns if columns are greater
        than 100 (MAX_LINEAR_SCALING_WIDTH) else scales accordingly untill
        popup width becomes full width at 80 (MIN_SUPPORTED_POPUP_WIDTH) below
        which popup width remains full width.
        The screen estate's rows are always scaled by 3/4th to get the
        popup rows.
        """
        MIN_SUPPORTED_POPUP_WIDTH = 80
        MAX_LINEAR_SCALING_WIDTH = 100

        def clamp(n: int, minn: int, maxn: int) -> int:
            return max(min(maxn, n), minn)

        max_cols, max_rows = self.loop.screen.get_cols_rows()
        min_width = MIN_SUPPORTED_POPUP_WIDTH
        max_width = MAX_LINEAR_SCALING_WIDTH
        # Scale Width
        width = clamp(max_cols, min_width, max_width)
        scaling = 1 - ((width - min_width) / (4 * (max_width - min_width)))
        max_popup_cols = int(scaling * max_cols)
        # Scale Height
        max_popup_rows = 3 * max_rows // 4

        return max_popup_cols, max_popup_rows

    def show_pop_up(self, to_show: Any, style: str) -> None:
        border_lines = dict(
            tlcorner="▛",
            tline="▀",
            trcorner="▜",
            rline="▐",
            lline="▌",
            blcorner="▙",
            bline="▄",
            brcorner="▟",
        )
        text = urwid.Text(to_show.title, align="center")
        title_map = urwid.AttrMap(urwid.Filler(text), style)
        title_box_adapter = urwid.BoxAdapter(title_map, height=1)
        title_box = urwid.LineBox(
            title_box_adapter,
            tlcorner="▄",
            tline="▄",
            trcorner="▄",
            rline="",
            lline="",
            blcorner="",
            bline="",
            brcorner="",
        )
        title = urwid.AttrMap(title_box, "popup_border")
        content = urwid.LineBox(to_show, **border_lines)
        self.loop.widget = urwid.Overlay(
            urwid.AttrMap(urwid.Frame(header=title, body=content),
                          "popup_border"),
            self.view,
            align="center",
            valign="middle",
            # +2 to both of the following, due to LineBox
            # +2 to height, due to title enhancement
            width=to_show.width + 2,
            height=to_show.height + 4,
        )

    def exit_popup(self) -> None:
        self.loop.widget = self.view

    def show_help(self) -> None:
        help_view = HelpView(self, "Help Menu (up/down scrolls)")
        self.show_pop_up(help_view, "area:help")

    def show_topic_edit_mode(self, button: Any) -> None:
        self.show_pop_up(EditModeView(self, button), "area:msg")

    def show_msg_info(
        self,
        msg: Message,
        topic_links: "OrderedDict[str, Tuple[str, int, bool]]",
        message_links: "OrderedDict[str, Tuple[str, int, bool]]",
        time_mentions: List[Tuple[str, str]],
    ) -> None:
        msg_info_view = MsgInfoView(
            self,
            msg,
            "Message Information (up/down scrolls)",
            topic_links,
            message_links,
            time_mentions,
        )
        self.show_pop_up(msg_info_view, "area:msg")

    def show_stream_info(self, stream_id: int) -> None:
        show_stream_view = StreamInfoView(self, stream_id)
        self.show_pop_up(show_stream_view, "area:stream")

    def show_stream_members(self, stream_id: int) -> None:
        stream_members_view = StreamMembersView(self, stream_id)
        self.show_pop_up(stream_members_view, "area:stream")

    def popup_with_message(self, text: str, width: int) -> None:
        self.show_pop_up(NoticeView(self, text, width, "NOTICE"), "area:error")

    def show_about(self) -> None:
        self.show_pop_up(
            AboutView(
                self,
                "About",
                zt_version=ZT_VERSION,
                server_version=self.model.server_version,
                server_feature_level=self.model.server_feature_level,
                theme_name=self.theme_name,
                color_depth=self.color_depth,
                notify_enabled=self.notify_enabled,
                autohide_enabled=self.autohide,
                maximum_footlinks=self.maximum_footlinks,
            ),
            "area:help",
        )

    def show_user_info(self, user_id: int) -> None:
        self.show_pop_up(
            UserInfoView(self, user_id, "User Information (up/down scrolls)"),
            "area:user",
        )

    def show_edit_history(
        self,
        message: Message,
        topic_links: "OrderedDict[str, Tuple[str, int, bool]]",
        message_links: "OrderedDict[str, Tuple[str, int, bool]]",
        time_mentions: List[Tuple[str, str]],
    ) -> None:
        self.show_pop_up(
            EditHistoryView(
                self,
                message,
                topic_links,
                message_links,
                time_mentions,
                "Edit History (up/down scrolls)",
            ),
            "area:msg",
        )

    def open_in_browser(self, url: str) -> None:
        """
        Opens any provided URL in a graphical browser, if found, else
        prints an appropriate error message.
        """
        # Don't try to open web browser if running without a GUI
        # TODO: Explore and eventually support opening links in text-browsers.
        if LINUX and not os.environ.get("DISPLAY") and os.environ.get("TERM"):
            self.report_error(
                "No DISPLAY environment variable specified. This could "
                "likely mean the ZT host is running without a GUI.")
            return
        try:
            # Checks for a runnable browser in the system and returns
            # its browser controller, if found, else reports an error
            browser_controller = webbrowser.get()
            # Suppress stdout and stderr when opening browser
            with suppress_output():
                browser_controller.open(url)
                self.report_success(
                    f"The link was successfully opened using {browser_controller.name}"
                )
        except webbrowser.Error as e:
            # Set a footer text if no runnable browser is located
            self.report_error(f"ERROR: {e}")

    def report_error(self, text: str) -> None:
        """
        Helper to show an error message in footer
        """
        self.view.set_footer_text(text, "task:error", 3)

    def report_success(self, text: str) -> None:
        """
        Helper to show a success message in footer
        """
        self.view.set_footer_text(text, "task:success", 3)

    def report_warning(self, text: str) -> None:
        """
        Helper to show a warning message in footer
        """
        self.view.set_footer_text(text, "task:warning", 3)

    def search_messages(self, text: str) -> None:
        # Search for a text in messages
        self.model.index["search"].clear()
        self.model.set_search_narrow(text)

        self.model.get_messages(num_after=0, num_before=30, anchor=10000000000)
        msg_id_list = self.model.get_message_ids_in_current_narrow()

        w_list = create_msg_box_list(self.model, msg_id_list)
        self.view.message_view.log.clear()
        self.view.message_view.log.extend(w_list)
        focus_position = 0
        if 0 <= focus_position < len(w_list):
            self.view.message_view.set_focus(focus_position)

    def save_draft_confirmation_popup(self, draft: Composition) -> None:
        question = urwid.Text(
            "Save this message as a draft? (This will overwrite the existing draft.)"
        )
        save_draft = partial(self.model.save_draft, draft)
        self.loop.widget = PopUpConfirmationView(self, question, save_draft)

    def stream_muting_confirmation_popup(self, stream_id: int,
                                         stream_name: str) -> None:
        currently_muted = self.model.is_muted_stream(stream_id)
        type_of_action = "unmuting" if currently_muted else "muting"
        question = urwid.Text(
            ("bold", f"Confirm {type_of_action} of stream '{stream_name}' ?"),
            "center",
        )
        mute_this_stream = partial(self.model.toggle_stream_muted_status,
                                   stream_id)
        self.loop.widget = PopUpConfirmationView(self, question,
                                                 mute_this_stream)

    def _narrow_to(self, anchor: Optional[int], **narrow: Any) -> None:
        already_narrowed = self.model.set_narrow(**narrow)

        if already_narrowed and anchor is None:
            return

        msg_id_list = self.model.get_message_ids_in_current_narrow()

        # If no messages are found in the current narrow
        # OR, given anchor is not present in msg_id_list
        # then, get more messages.
        if len(msg_id_list) == 0 or (anchor is not None
                                     and anchor not in msg_id_list):
            self.model.get_messages(num_before=30, num_after=10, anchor=anchor)
            msg_id_list = self.model.get_message_ids_in_current_narrow()

        w_list = create_msg_box_list(self.model,
                                     msg_id_list,
                                     focus_msg_id=anchor)

        focus_position = self.model.get_focus_in_current_narrow()
        if focus_position == set():  # No available focus; set to end
            focus_position = len(w_list) - 1
        assert not isinstance(focus_position, set)

        self.view.message_view.log.clear()
        if 0 <= focus_position < len(w_list):
            self.view.message_view.log.extend(w_list, focus_position)
        else:
            self.view.message_view.log.extend(w_list)

        self.exit_editor_mode()

    def narrow_to_stream(self,
                         *,
                         stream_name: str,
                         contextual_message_id: Optional[int] = None) -> None:
        self._narrow_to(anchor=contextual_message_id, stream=stream_name)

    def narrow_to_topic(
        self,
        *,
        stream_name: str,
        topic_name: str,
        contextual_message_id: Optional[int] = None,
    ) -> None:
        self._narrow_to(
            anchor=contextual_message_id,
            stream=stream_name,
            topic=topic_name,
        )

    def narrow_to_user(
        self,
        *,
        recipient_emails: List[str],
        contextual_message_id: Optional[int] = None,
    ) -> None:
        self._narrow_to(
            anchor=contextual_message_id,
            pm_with=", ".join(recipient_emails),
        )

    def narrow_to_all_messages(self,
                               *,
                               contextual_message_id: Optional[int] = None
                               ) -> None:
        self._narrow_to(anchor=contextual_message_id)

    def narrow_to_all_pm(self,
                         *,
                         contextual_message_id: Optional[int] = None) -> None:
        self._narrow_to(anchor=contextual_message_id, pms=True)

    def narrow_to_all_starred(self) -> None:
        # NOTE: Should we allow maintaining anchor focus here?
        # (nothing currently requires narrowing around a message id)
        self._narrow_to(anchor=None, starred=True)

    def narrow_to_all_mentions(self) -> None:
        # NOTE: Should we allow maintaining anchor focus here?
        # (nothing currently requires narrowing around a message id)
        self._narrow_to(anchor=None, mentioned=True)

    def deregister_client(self) -> None:
        queue_id = self.model.queue_id
        self.client.deregister(queue_id, 1.0)

    def exit_handler(self, signum: int, frame: Any) -> None:
        self.deregister_client()
        sys.exit(0)

    def _raise_exception(self, *args: Any, **kwargs: Any) -> Literal[True]:
        if self._exception_info is not None:
            exc = self._exception_info
            if self._critical_exception:
                raise exc[0].with_traceback(exc[1], exc[2])
            else:
                import traceback

                exception_logfile = "zulip-terminal-thread-exceptions.log"
                with open(exception_logfile, "a") as logfile:
                    traceback.print_exception(*exc, file=logfile)
                message = (
                    "An exception occurred:" + "\n\n" +
                    "".join(traceback.format_exception_only(exc[0], exc[1])) +
                    "\n" +
                    "The application should continue functioning, but you " +
                    "may notice inconsistent behavior in this session." +
                    "\n\n" + "Please report this to us either in" + "\n" +
                    "* the #zulip-terminal stream" + "\n" +
                    "  (https://chat.zulip.org/#narrow/stream/" +
                    "206-zulip-terminal in the webapp)" + "\n" +
                    "* an issue at " +
                    "https://github.com/zulip/zulip-terminal/issues" + "\n\n" +
                    "Details of the exception can be found in " +
                    exception_logfile)
                self.popup_with_message(message, width=80)
                self._exception_info = None
        return True  # If don't raise, retain pipe

    def main(self) -> None:
        try:
            # TODO: Enable resuming? (in which case, remove ^Z below)
            disabled_keys = {
                "susp": "undefined",  # Disable ^Z - no suspending
                "stop": "undefined",  # Disable ^S - enabling shortcut key use
                "quit": "undefined",  # Disable ^\, ^4
            }
            old_signal_list = self.loop.screen.tty_signal_keys(**disabled_keys)
            self.loop.run()

        except Exception:
            self.restore_stdout()
            self.loop.screen.tty_signal_keys(*old_signal_list)
            raise

        finally:
            self.restore_stdout()
            self.loop.screen.tty_signal_keys(*old_signal_list)
Beispiel #30
0
 def view(self, mocker):
     main_window = mocker.patch(VIEW + ".main_window")
     # View is an urwid.Frame instance, a Box widget.
     mocker.patch(VIEW + ".sizing", return_value=frozenset({"box"}))
     return View(self.controller)