Python kivy.logger.Logger.warning() Examples

def _upload_gcode(self, file_path, dir_path):
        if not file_path:
            return

        try:
            self.nlines = Comms.file_len(file_path, self.app.fast_stream)  # get number of lines so we can do progress and ETA
            Logger.debug('MainWindow: number of lines: {}'.format(self.nlines))
        except Exception:
            Logger.warning('MainWindow: exception in file_len: {}'.format(traceback.format_exc()))
            self.nlines = None

        self.start_print_time = datetime.datetime.now()
        self.display('>>> Uploading file: {}, {} lines'.format(file_path, self.nlines))

        if not self.app.comms.upload_gcode(file_path, progress=lambda x: self.display_progress(x), done=self._upload_gcode_done):
            self.display('WARNING Unable to upload file')
            return
        else:
            self.is_printing = True 

def unload_file(self, filename):
        '''Unload all rules associated with a previously imported file.

        .. versionadded:: 1.0.8

        .. warning::

            This will not remove rules or templates already applied/used on
            current widgets. It will only effect the next widgets creation or
            template invocation.
        '''
        # remove rules and templates
        self.rules = [x for x in self.rules if x[1].ctx.filename != filename]
        self._clear_matchcache()
        templates = {}
        for x, y in self.templates.items():
            if y[2] != filename:
                templates[x] = y
        self.templates = templates
        if filename in self.files:
            self.files.remove(filename)

        # unregister all the dynamic classes
        Factory.unregister_from_filename(filename) 

def unload_file(self, filename):
        '''Unload all rules associated with a previously imported file.

        .. versionadded:: 1.0.8

        .. warning::

            This will not remove rules or templates already applied/used on
            current widgets. It will only effect the next widgets creation or
            template invocation.
        '''
        # remove rules and templates
        self.rules = [x for x in self.rules if x[1].ctx.filename != filename]
        self._clear_matchcache()
        templates = {}
        for x, y in self.templates.items():
            if y[2] != filename:
                templates[x] = y
        self.templates = templates
        if filename in self.files:
            self.files.remove(filename)

        # unregister all the dynamic classes
        Factory.unregister_from_filename(filename) 

def open(self, *largs):
        '''Show the view window from the :attr:`attach_to` widget. If set, it
        will attach to the nearest window. If the widget is not attached to any
        window, the view will attach to the global
        :class:`~kivy.core.window.Window`.
        '''
        if self._window is not None:
            Logger.warning('ModalView: you can only open once.')
            return self
        # search window
        self._window = self._search_window()
        if not self._window:
            Logger.warning('ModalView: cannot open view, no window found.')
            return self
        self._window.add_widget(self)
        self._window.bind(
            on_resize=self._align_center,
            on_keyboard=self._handle_keyboard)
        self.center = self._window.center
        self.bind(size=self._update_center)
        a = Animation(_anim_alpha=1., d=self._anim_duration)
        a.bind(on_complete=lambda *x: self.dispatch('on_open'))
        a.start(self)
        return self 

def on_keyboard(self, key, scancode=None, codepoint=None,
                    modifier=None, **kwargs):
        '''Event called when keyboard is used.

        .. warning::
            Some providers may omit `scancode`, `codepoint` and/or `modifier`!
        '''
        if 'unicode' in kwargs:
            Logger.warning("The use of the unicode parameter is deprecated, "
                           "and will be removed in future versions. Use "
                           "codepoint instead, which has identical "
                           "semantics.")

        # Quit if user presses ESC or the typical OSX shortcuts CMD+q or CMD+w
        # TODO If just CMD+w is pressed, only the window should be closed.
        is_osx = platform == 'darwin'
        if WindowBase.on_keyboard.exit_on_escape:
            if key == 27 or all([is_osx, key in [113, 119], modifier == 1024]):
                if not self.dispatch('on_request_close', source='keyboard'):
                    stopTouchApp()
                    self.close()
                    return True 

def activate_module(self, name, win):
        '''Activate a module on a window'''
        if name not in self.mods:
            Logger.warning('Modules: Module <%s> not found' % name)
            return

        mod = self.mods[name]

        # ensure the module has been configured
        if 'module' not in mod:
            self._configure_module(name)

        pymod = mod['module']
        if not mod['activated']:
            context = mod['context']
            msg = 'Modules: Start <{0}> with config {1}'.format(
                  name, context)
            Logger.debug(msg)
            pymod.start(win, context)
            mod['activated'] = True 

def on_keyboard(self, key, scancode=None, codepoint=None,
                    modifier=None, **kwargs):
        '''Event called when keyboard is used.

        .. warning::
            Some providers may omit `scancode`, `codepoint` and/or `modifier`!
        '''
        if 'unicode' in kwargs:
            Logger.warning("The use of the unicode parameter is deprecated, "
                           "and will be removed in future versions. Use "
                           "codepoint instead, which has identical "
                           "semantics.")

        # Quit if user presses ESC or the typical OSX shortcuts CMD+q or CMD+w
        # TODO If just CMD+w is pressed, only the window should be closed.
        is_osx = platform == 'darwin'
        if WindowBase.on_keyboard.exit_on_escape:
            if key == 27 or all([is_osx, key in [113, 119], modifier == 1024]):
                if not self.dispatch('on_request_close', source='keyboard'):
                    stopTouchApp()
                    self.close()
                    return True 

def import_module(self, name):
        try:
            modname = 'kivy.modules.{0}'.format(name)
            module = __import__(name=modname)
            module = sys.modules[modname]
        except ImportError:
            try:
                module = __import__(name=name)
                module = sys.modules[name]
            except ImportError:
                Logger.exception('Modules: unable to import <%s>' % name)
                raise
        # basic check on module
        if not hasattr(module, 'start'):
            Logger.warning('Modules: Module <%s> missing start() function' %
                           name)
            return
        if not hasattr(module, 'stop'):
            err = 'Modules: Module <%s> missing stop() function' % name
            Logger.warning(err)
            return
        self.mods[name]['module'] = module 

def activate_module(self, name, win):
        '''Activate a module on a window'''
        if name not in self.mods:
            Logger.warning('Modules: Module <%s> not found' % name)
            return

        mod = self.mods[name]

        # ensure the module has been configured
        if 'module' not in mod:
            self._configure_module(name)

        pymod = mod['module']
        if not mod['activated']:
            context = mod['context']
            msg = 'Modules: Start <{0}> with config {1}'.format(
                  name, context)
            Logger.debug(msg)
            pymod.start(win, context)
            mod['activated'] = True 

def import_module(self, name):
        try:
            modname = 'kivy.modules.{0}'.format(name)
            module = __import__(name=modname)
            module = sys.modules[modname]
        except ImportError:
            try:
                module = __import__(name=name)
                module = sys.modules[name]
            except ImportError:
                Logger.exception('Modules: unable to import <%s>' % name)
                raise
        # basic check on module
        if not hasattr(module, 'start'):
            Logger.warning('Modules: Module <%s> missing start() function' %
                           name)
            return
        if not hasattr(module, 'stop'):
            err = 'Modules: Module <%s> missing stop() function' % name
            Logger.warning(err)
            return
        self.mods[name]['module'] = module 

def open(self, *largs):
        '''Show the view window from the :attr:`attach_to` widget. If set, it
        will attach to the nearest window. If the widget is not attached to any
        window, the view will attach to the global
        :class:`~kivy.core.window.Window`.
        '''
        if self._window is not None:
            Logger.warning('ModalView: you can only open once.')
            return self
        # search window
        self._window = self._search_window()
        if not self._window:
            Logger.warning('ModalView: cannot open view, no window found.')
            return self
        self._window.add_widget(self)
        self._window.bind(
            on_resize=self._align_center,
            on_keyboard=self._handle_keyboard)
        self.center = self._window.center
        self.bind(size=self._update_center)
        a = Animation(_anim_alpha=1., d=self._anim_duration)
        a.bind(on_complete=lambda *x: self.dispatch('on_open'))
        a.start(self)
        return self 

def load(self, filename):
        if self._inline:
            data = filename.read()
            info = _img_sdl2.load_from_memory(data)
        else:
            info = _img_sdl2.load_from_filename(filename)
        if not info:
            Logger.warning('Image: Unable to load image <%s>' % filename)
            raise Exception('SDL2: Unable to load image')

        w, h, fmt, pixels, rowlength = info

        # update internals
        if not self._inline:
            self.filename = filename
        return [ImageData(
            w, h, fmt, pixels, source=filename,
            rowlength=rowlength)] 

def enter_wpos(self, axis, v):
        i = ord(axis) - ord('x')
        v = v.strip()
        if v.startswith('/'):
            # we divide current value by this
            try:
                d = float(v[1:])
                v = str(self.app.wpos[i] / d)
            except Exception:
                Logger.warning("DROWidget: cannot divide by: {}".format(v))
                self.app.wpos[i] = self.app.wpos[i]
                return

        try:
            # needed because the filter does not allow -ive numbers WTF!!!
            f = float(v.strip())
        except Exception:
            Logger.warning("DROWidget: invalid float input: {}".format(v))
            # set the display back to what it was, this looks odd but it forces the display to update
            self.app.wpos[i] = self.app.wpos[i]
            return

        Logger.debug("DROWidget: Set axis {} wpos to {}".format(axis, f))
        self.app.comms.write('G10 L20 P0 {}{}\n'.format(axis.upper(), f))
        self.app.wpos[i] = f 

def on_key_up(self, key, scancode=None, codepoint=None,
                  modifier=None, **kwargs):
        '''Event called when a key is released (same arguments as on_keyboard)
        '''
        if 'unicode' in kwargs:
            Logger.warning("The use of the unicode parameter is deprecated, "
                           "and will be removed in future versions. Use "
                           "codepoint instead, which has identical "
                           "semantics.") 

def on_dropfile(self, filename):
        '''Event called when a file is dropped on the application.

        .. warning::

            This event currently works with sdl2 window provider, on pygame
            window provider and MacOSX with a patched version of pygame.
            This event is left in place for further evolution
            (ios, android etc.)

        .. versionadded:: 1.2.0
        '''
        pass 

def minimize(self):
        if self._is_desktop:
            self._win.minimize_window()
        else:
            Logger.warning('Window: minimize() is used only on desktop OSes.') 

def dpi(self):
        '''Return the DPI of the screen. If the implementation doesn't support
        any DPI lookup, it will just return 96.

        .. warning::

            This value is not cross-platform. Use
            :attr:`kivy.base.EventLoop.dpi` instead.
        '''
        return 96. 

def restore(self):
        if self._is_desktop:
            self._win.restore_window()
        else:
            Logger.warning('Window: restore() is used only on desktop OSes.') 

def _update_clr(self, dt):
        mode, clr_idx, text = self._upd_clr_list
        try:
            text = min(255, max(0, float(text)))
            if mode == 'rgb':
                self.color[clr_idx] = float(text) / 255.
            else:
                self.hsv[clr_idx] = float(text) / 255.
        except ValueError:
            Logger.warning('ColorPicker: invalid value : {}'.format(text)) 

def read_pixel(self, x, y):
        '''For a given local x/y position, return the pixel color at that
        position.

        .. warning::
            This function can only be used with images loaded with the
            keep_data=True keyword. For example::

                m = Image.load('image.png', keep_data=True)
                color = m.read_pixel(150, 150)

        :Parameters:
            `x` : int
                Local x coordinate of the pixel in question.
            `y` : int
                Local y coordinate of the pixel in question.
        '''
        data = self.image._data[0]

        # can't use this fonction without ImageData
        if data.data is None:
            raise EOFError('Image data is missing, make sure that image is'
                           'loaded with keep_data=True keyword.')

        # check bounds
        x, y = int(x), int(y)
        if not (0 <= x < data.width and 0 <= y < data.height):
            raise IndexError('Position (%d, %d) is out of range.' % (x, y))

        assert data.fmt in ImageData._supported_fmts
        size = 3 if data.fmt in ('rgb', 'bgr') else 4
        index = y * data.width * size + x * size
        raw = bytearray(data.data[index:index + size])
        color = [c / 255.0 for c in raw]

        # conversion for BGR->RGB, BGR->RGBA format
        if data.fmt in ('bgr', 'bgra'):
            color[0], color[2] = color[2], color[0]

        return color 

def _generate_file_entries(self, *args, **kwargs):
        # Generator that will create all the files entries.
        # the generator is used via _update_files() and _create_files_entries()
        # don't use it directly.
        is_root = False
        path = kwargs.get('path', self.path)
        have_parent = kwargs.get('parent', None) is not None

        # Add the components that are always needed
        if self.rootpath:
            rootpath = realpath(self.rootpath)
            path = realpath(path)
            if not path.startswith(rootpath):
                self.path = rootpath
                return
            elif path == rootpath:
                is_root = True
        else:
            if platform == 'win':
                is_root = splitdrive(path)[1] in (sep, altsep)
            elif platform in ('macosx', 'linux', 'android', 'ios'):
                is_root = normpath(expanduser(path)) == sep
            else:
                # Unknown fs, just always add the .. entry but also log
                Logger.warning('Filechooser: Unsupported OS: %r' % platform)
        # generate an entries to go back to previous
        if not is_root and not have_parent:
            back = '..' + sep
            pardir = self._create_entry_widget(dict(
                name=back, size='', path=back, controller=ref(self),
                isdir=True, parent=None, sep=sep, get_nice_size=lambda: ''))
            yield 0, 1, pardir

        # generate all the entries for files
        try:
            for index, total, item in self._add_files(path):
                yield index, total, item
        except OSError:
            Logger.exception('Unable to open directory <%s>' % self.path)
            self.files[:] = [] 

def configure(self):
        '''(internal) Configure all the modules before using them.
        '''
        modules_to_configure = [x[0] for x in Config.items('modules')]
        for name in modules_to_configure:
            if name not in self.mods:
                Logger.warning('Modules: Module <%s> not found' % name)
                continue
            self._configure_module(name) 

def deactivate_module(self, name, win):
        '''Deactivate a module from a window'''
        if not name in self.mods:
            Logger.warning('Modules: Module <%s> not found' % name)
            return
        if not 'module' in self.mods[name]:
            return

        module = self.mods[name]['module']
        if self.mods[name]['activated']:
            module.stop(win, self.mods[name]['context'])
            self.mods[name]['activated'] = False 

def kivy_register_post_configuration(callback):
    '''Register a function to be called when kivy_configure() is called.

    .. warning::
        Internal use only.
    '''
    __kivy_post_configuration.append(callback) 

def _on_gstplayer_message(mtype, message):
    if mtype == 'error':
        Logger.error('VideoGstplayer: {}'.format(message))
    elif mtype == 'warning':
        Logger.warning('VideoGstplayer: {}'.format(message))
    elif mtype == 'info':
        Logger.info('VideoGstplayer: {}'.format(message)) 

def __init__(self, **kwargs):
        kwargs.setdefault('filename', None)
        kwargs.setdefault('eos', 'stop')
        kwargs.setdefault('async', True)
        kwargs.setdefault('autoplay', False)

        super(VideoBase, self).__init__()

        self._wantplay = False
        self._buffer = None
        self._filename = None
        self._texture = None
        self._volume = 1.
        self._state = ''

        self._autoplay = kwargs.get('autoplay')
        self._async = kwargs.get('async')
        self.eos = kwargs.get('eos')
        if self.eos == 'pause':
            Logger.warning("'pause' is deprecated. Use 'stop' instead.")
            self.eos = 'stop'
        self.filename = kwargs.get('filename')

        Clock.schedule_interval(self._update, 1 / 30.)

        if self._autoplay:
            self.play() 

def load(self, filename):
        try:
            fd = open(filename, 'rb')
            if fd.read(4) != 'KTEX':
                raise Exception('Invalid tex identifier')

            headersize = unpack('I', fd.read(4))[0]
            header = fd.read(headersize)
            if len(header) != headersize:
                raise Exception('Truncated tex header')

            info = json.loads(header)
            data = fd.read()
            if len(data) != info['datalen']:
                raise Exception('Truncated tex data')

        except:
            Logger.warning('Image: Image <%s> is corrupted' % filename)
            raise

        width, height = info['image_size']
        tw, th = info['texture_size']

        images = [data]
        im = ImageData(width, height, str(info['format']), images[0],
                       source=filename)
        '''
        if len(dds.images) > 1:
            images = dds.images
            images_size = dds.images_size
            for index in range(1, len(dds.images)):
                w, h = images_size[index]
                data = images[index]
                im.add_mipmap(index, w, h, data)
        '''
        return [im]

# register 

def load(self, filename):
        try:
            im = PILImage.open(filename)
        except:
            Logger.warning('Image: Unable to load image <%s>' % filename)
            raise
        # update internals
        if not self._inline:
            self.filename = filename
        # returns an array of type ImageData len 1 if not a sequence image
        return list(self._img_read(im)) 

def _img_correct(self, _img_tmp):
        '''Convert image to the correct format and orientation.
        '''
        # image loader work only with rgb/rgba image
        if _img_tmp.mode.lower() not in ('rgb', 'rgba'):
            try:
                imc = _img_tmp.convert('RGBA')
            except:
                Logger.warning(
                    'Image: Unable to convert image to rgba (was %s)' %
                    (_img_tmp.mode.lower()))
                raise
            _img_tmp = imc

        return _img_tmp 

def _on_gstplayer_message(mtype, message):
    if mtype == 'error':
        Logger.error('AudioGstplayer: {}'.format(message))
    elif mtype == 'warning':
        Logger.warning('AudioGstplayer: {}'.format(message))
    elif mtype == 'info':
        Logger.info('AudioGstplayer: {}'.format(message))