Python loader.Loader類代碼示例

class benchmark_load(object):
	def __init__(self):
		self.loader = Loader()
		fm = OpenStruct(loader=self.loader)
		SettingsAware.settings = Fake()
		FileManagerAware.fm = fm
		self.dir = Directory(TESTDIR)

	def bm_run(self, n):
		for _ in range(n):
			self.dir.load_content(schedule=True)
			while self.loader.has_work():
				self.loader.work()

	def test_loader(self):
		loader = Loader()
		fm = OpenStruct(loader=loader)
		SettingsAware.settings = Fake()
		FileManagerAware.fm = fm

		# initially, the loader has nothing to do
		self.assertFalse(loader.has_work())

		dir = Directory(TESTDIR)
		self.assertEqual(None, dir.files)
		self.assertFalse(loader.has_work())

		# Calling load_content() will enqueue the loading operation.
		# dir is not loaded yet, but the loader has work
		dir.load_content(schedule=True)
		self.assertEqual(None, dir.files)
		self.assertTrue(loader.has_work())

		iterations = 0
		while loader.has_work():
			iterations += 1
			loader.work()
		#print(iterations)
		self.assertNotEqual(None, dir.files)
		self.assertFalse(loader.has_work())

    def __init__(self, ui=None, bookmarks=None, tags=None, paths=None):
        """Initialize FM."""
        Actions.__init__(self)
        SignalDispatcher.__init__(self)
        self.ui = ui if ui is not None else UI()
        self.start_paths = paths if paths is not None else ['.']
        self.directories = dict()
        self.bookmarks = bookmarks
        self.current_tab = 1
        self.tabs = {}
        self.tags = tags
        self.restorable_tabs = deque([], ranger.MAX_RESTORABLE_TABS)
        self.py3 = sys.version_info >= (3, )
        self.previews = {}
        self.default_linemodes = deque()
        self.loader = Loader()
        self.copy_buffer = set()
        self.do_cut = False
        self.metadata = MetadataManager()
        self.image_displayer = None
        self.run = None
        self.rifle = None
        self.thistab = None

        try:
            self.username = pwd.getpwuid(os.geteuid()).pw_name
        except KeyError:
            self.username = 'uid:' + str(os.geteuid())
        self.hostname = socket.gethostname()
        self.home_path = os.path.expanduser('~')

        mimetypes.knownfiles.append(os.path.expanduser('~/.mime.types'))
        mimetypes.knownfiles.append(self.relpath('data/mime.types'))
        self.mimetypes = mimetypes.MimeTypes()

    def __init__(self, ui=None, bookmarks=None, tags=None, paths=["."]):
        """Initialize FM."""
        Actions.__init__(self)
        SignalDispatcher.__init__(self)
        if ui is None:
            self.ui = UI()
        else:
            self.ui = ui
        self.start_paths = paths
        self.directories = dict()
        self.log = deque(maxlen=20)
        self.bookmarks = bookmarks
        self.current_tab = 1
        self.tabs = {}
        self.tags = tags
        self.restorable_tabs = deque([], ranger.MAX_RESTORABLE_TABS)
        self.py3 = sys.version_info >= (3,)
        self.previews = {}
        self.loader = Loader()
        self.copy_buffer = set()
        self.do_cut = False

        try:
            self.username = pwd.getpwuid(os.geteuid()).pw_name
        except:
            self.username = "uid:" + str(os.geteuid())
        self.hostname = socket.gethostname()
        self.home_path = os.path.expanduser("~")

        self.log.append("ranger {0} started! Process ID is {1}.".format(__version__, os.getpid()))
        self.log.append("Running on Python " + sys.version.replace("\n", ""))

        mimetypes.knownfiles.append(os.path.expanduser("~/.mime.types"))
        mimetypes.knownfiles.append(self.relpath("data/mime.types"))
        self.mimetypes = mimetypes.MimeTypes()

	def __init__(self, ui=None, bookmarks=None, tags=None):
		"""Initialize FM."""
		Actions.__init__(self)
		SignalDispatcher.__init__(self)
		self.ui = ui
		self.log = deque(maxlen=20)
		self.bookmarks = bookmarks
		self.tags = tags
		self.tabs = {}
		self.py3 = sys.version_info >= (3, )
		self.previews = {}
		self.current_tab = 1
		self.loader = Loader()

		self.log.append('Ranger {0} started! Process ID is {1}.' \
				.format(__version__, os.getpid()))
		self.log.append('Running on Python ' + sys.version.replace('\n',''))

    def __init__(self, ui=None, bookmarks=None, tags=None):
        """Initialize FM."""
        Actions.__init__(self)
        SignalDispatcher.__init__(self)
        self.ui = ui
        self.log = deque(maxlen=20)
        self.bookmarks = bookmarks
        self.tags = tags
        self.tabs = {}
        self.py3 = sys.version_info >= (3,)
        self.previews = {}
        self.current_tab = 1
        self.loader = Loader()

        self.log.append("ranger {0} started! Process ID is {1}.".format(__version__, os.getpid()))
        self.log.append("Running on Python " + sys.version.replace("\n", ""))

        mimetypes.knownfiles.append(os.path.expanduser("~/.mime.types"))
        mimetypes.knownfiles.append(self.relpath("data/mime.types"))
        self.mimetypes = mimetypes.MimeTypes()

    def __init__(self, ui=None, bookmarks=None, tags=None, paths=['.']):
        """Initialize FM."""
        Actions.__init__(self)
        SignalDispatcher.__init__(self)
        if ui is None:
            self.ui = UI()
        else:
            self.ui = ui
        self.start_paths = paths
        self.directories = dict()
        self.log = deque(maxlen=20)
        self.image_displayer = ImageDisplayer()
        self.bookmarks = bookmarks
        self.current_tab = 1
        self.tabs = {}
        self.tags = tags
        self.restorable_tabs = deque([], ranger.MAX_RESTORABLE_TABS)
        self.py3 = sys.version_info >= (3, )
        self.previews = {}
        self.default_linemodes = deque()
        self.loader = Loader()
        self.copy_buffer = set()
        self.do_cut = False
        self.metadata = MetadataManager()

        try:
            self.username = pwd.getpwuid(os.geteuid()).pw_name
        except:
            self.username = 'uid:' + str(os.geteuid())
        self.hostname = socket.gethostname()
        self.home_path = os.path.expanduser('~')

        self.log.append('ranger {0} started! Process ID is {1}.' \
                .format(__version__, os.getpid()))
        self.log.append('Running on Python ' + sys.version.replace('\n',''))

        mimetypes.knownfiles.append(os.path.expanduser('~/.mime.types'))
        mimetypes.knownfiles.append(self.relpath('data/mime.types'))
        self.mimetypes = mimetypes.MimeTypes()

class FM(Actions,  # pylint: disable=too-many-instance-attributes
         SignalDispatcher):
    input_blocked = False
    input_blocked_until = 0
    mode = 'normal'  # either 'normal' or 'visual'.
    search_method = 'ctime'

    _previous_selection = None
    _visual_reverse = False
    _visual_pos_start = None
    _visual_move_cycles = None

    def __init__(self, ui=None, bookmarks=None, tags=None, paths=None):
        """Initialize FM."""
        Actions.__init__(self)
        SignalDispatcher.__init__(self)
        self.ui = ui if ui is not None else UI()
        self.start_paths = paths if paths is not None else ['.']
        self.directories = dict()
        self.bookmarks = bookmarks
        self.current_tab = 1
        self.tabs = {}
        self.tags = tags
        self.restorable_tabs = deque([], ranger.MAX_RESTORABLE_TABS)
        self.py3 = sys.version_info >= (3, )
        self.previews = {}
        self.default_linemodes = deque()
        self.loader = Loader()
        self.copy_buffer = set()
        self.do_cut = False
        self.metadata = MetadataManager()
        self.image_displayer = None
        self.run = None
        self.rifle = None
        self.thistab = None

        try:
            self.username = pwd.getpwuid(os.geteuid()).pw_name
        except KeyError:
            self.username = 'uid:' + str(os.geteuid())
        self.hostname = socket.gethostname()
        self.home_path = os.path.expanduser('~')

        mimetypes.knownfiles.append(os.path.expanduser('~/.mime.types'))
        mimetypes.knownfiles.append(self.relpath('data/mime.types'))
        self.mimetypes = mimetypes.MimeTypes()

    def initialize(self):
        """If ui/bookmarks are None, they will be initialized here."""

        self.tabs = dict((n + 1, Tab(path)) for n, path in enumerate(self.start_paths))
        tab_list = self.get_tab_list()
        if tab_list:
            self.current_tab = tab_list[0]
            self.thistab = self.tabs[self.current_tab]
        else:
            self.current_tab = 1
            self.tabs[self.current_tab] = self.thistab = Tab('.')

        if not ranger.args.clean and os.path.isfile(self.confpath('rifle.conf')):
            rifleconf = self.confpath('rifle.conf')
        else:
            rifleconf = self.relpath('config/rifle.conf')
        self.rifle = Rifle(rifleconf)
        self.rifle.reload_config()

        def set_image_displayer():
            self.image_displayer = self._get_image_displayer()
        set_image_displayer()
        self.settings.signal_bind('setopt.preview_images_method', set_image_displayer,
                                  priority=settings.SIGNAL_PRIORITY_AFTER_SYNC)

        self.settings.signal_bind(
            'setopt.preview_images',
            lambda signal: signal.fm.previews.clear(),
        )

        if ranger.args.clean:
            self.tags = TagsDummy("")
        elif self.tags is None:
            self.tags = Tags(self.datapath('tagged'))

        if self.bookmarks is None:
            if ranger.args.clean:
                bookmarkfile = None
            else:
                bookmarkfile = self.datapath('bookmarks')
            self.bookmarks = Bookmarks(
                bookmarkfile=bookmarkfile,
                bookmarktype=Directory,
                autosave=self.settings.autosave_bookmarks)
            self.bookmarks.load()

        self.ui.setup_curses()
        self.ui.initialize()

        self.rifle.hook_before_executing = lambda a, b, flags: \
            self.ui.suspend() if 'f' not in flags else None
        self.rifle.hook_after_executing = lambda a, b, flags: \
            self.ui.initialize() if 'f' not in flags else None
#.........這裏部分代碼省略.........

class FM(Actions, SignalDispatcher):
    input_blocked = False
    input_blocked_until = 0
    mode = "normal"  # either 'normal' or 'visual'.
    search_method = "ctime"

    _previous_selection = None
    _visual_reverse = False
    _visual_start = None
    _visual_start_pos = None

    def __init__(self, ui=None, bookmarks=None, tags=None, paths=["."]):
        """Initialize FM."""
        Actions.__init__(self)
        SignalDispatcher.__init__(self)
        if ui is None:
            self.ui = UI()
        else:
            self.ui = ui
        self.start_paths = paths
        self.directories = dict()
        self.log = deque(maxlen=20)
        self.bookmarks = bookmarks
        self.current_tab = 1
        self.tabs = {}
        self.tags = tags
        self.restorable_tabs = deque([], ranger.MAX_RESTORABLE_TABS)
        self.py3 = sys.version_info >= (3,)
        self.previews = {}
        self.loader = Loader()
        self.copy_buffer = set()
        self.do_cut = False

        try:
            self.username = pwd.getpwuid(os.geteuid()).pw_name
        except:
            self.username = "uid:" + str(os.geteuid())
        self.hostname = socket.gethostname()
        self.home_path = os.path.expanduser("~")

        self.log.append("ranger {0} started! Process ID is {1}.".format(__version__, os.getpid()))
        self.log.append("Running on Python " + sys.version.replace("\n", ""))

        mimetypes.knownfiles.append(os.path.expanduser("~/.mime.types"))
        mimetypes.knownfiles.append(self.relpath("data/mime.types"))
        self.mimetypes = mimetypes.MimeTypes()

    def initialize(self):
        """If ui/bookmarks are None, they will be initialized here."""

        self.tabs = dict((n + 1, Tab(path)) for n, path in enumerate(self.start_paths))
        tab_list = self._get_tab_list()
        if tab_list:
            self.current_tab = tab_list[0]
            self.thistab = self.tabs[self.current_tab]
        else:
            self.current_tab = 1
            self.tabs[self.current_tab] = self.thistab = Tab(".")

        if not ranger.arg.clean and os.path.isfile(self.confpath("rifle.conf")):
            rifleconf = self.confpath("rifle.conf")
        else:
            rifleconf = self.relpath("config/rifle.conf")
        self.rifle = Rifle(rifleconf)
        self.rifle.reload_config()

        if self.bookmarks is None:
            if ranger.arg.clean:
                bookmarkfile = None
            else:
                bookmarkfile = self.confpath("bookmarks")
            self.bookmarks = Bookmarks(
                bookmarkfile=bookmarkfile, bookmarktype=Directory, autosave=self.settings.autosave_bookmarks
            )
            self.bookmarks.load()

        if not ranger.arg.clean and self.tags is None:
            self.tags = Tags(self.confpath("tagged"))

        self.ui.setup_curses()
        self.ui.initialize()

        self.rifle.hook_before_executing = lambda a, b, flags: self.ui.suspend() if "f" not in flags else None
        self.rifle.hook_after_executing = lambda a, b, flags: self.ui.initialize() if "f" not in flags else None
        self.rifle.hook_logger = self.notify

        def mylogfunc(text):
            self.notify(text, bad=True)

        self.run = Runner(ui=self.ui, logfunc=mylogfunc, fm=self)

    def destroy(self):
        debug = ranger.arg.debug
        if self.ui:
            try:
                self.ui.destroy()
            except:
                if debug:
                    raise
        if self.loader:
#.........這裏部分代碼省略.........

class FM(Actions, SignalDispatcher):
	input_blocked = False
	input_blocked_until = 0
	def __init__(self, ui=None, bookmarks=None, tags=None):
		"""Initialize FM."""
		Actions.__init__(self)
		SignalDispatcher.__init__(self)
		self.ui = ui
		self.log = deque(maxlen=20)
		self.bookmarks = bookmarks
		self.tags = tags
		self.tabs = {}
		self.py3 = sys.version_info >= (3, )
		self.previews = {}
		self.current_tab = 1
		self.loader = Loader()

		self.log.append('Ranger {0} started! Process ID is {1}.' \
				.format(__version__, os.getpid()))
		self.log.append('Running on Python ' + sys.version.replace('\n',''))

		mimetypes.knownfiles.append(os.path.expanduser('~/.mime.types'))
		mimetypes.knownfiles.append(self.relpath('data/mime.types'))
		self.mimetypes = mimetypes.MimeTypes()

	# COMPAT
	@property
	def executables(self):
		"""For compatibility. Calls get_executables()"""
		return get_executables()

	def initialize(self):
		"""If ui/bookmarks are None, they will be initialized here."""
		if self.bookmarks is None:
			if ranger.arg.clean:
				bookmarkfile = None
			else:
				bookmarkfile = self.confpath('bookmarks')
			self.bookmarks = Bookmarks(
					bookmarkfile=bookmarkfile,
					bookmarktype=Directory,
					autosave=self.settings.autosave_bookmarks)
			self.bookmarks.load()

		else:
			self.bookmarks = bookmarks

		if not ranger.arg.clean and self.tags is None:
			self.tags = Tags(self.confpath('tagged'))

		if self.ui is None:
			self.ui = DefaultUI()
			self.ui.initialize()

		def mylogfunc(text):
			self.notify(text, bad=True)
		self.run = Runner(ui=self.ui, apps=self.apps,
				logfunc=mylogfunc)

		self.env.signal_bind('cd', self._update_current_tab)

	def destroy(self):
		debug = ranger.arg.debug
		if self.ui:
			try:
				self.ui.destroy()
			except:
				if debug:
					raise
		if self.loader:
			try:
				self.loader.destroy()
			except:
				if debug:
					raise

	def block_input(self, sec=0):
		self.input_blocked = sec != 0
		self.input_blocked_until = time() + sec

	def input_is_blocked(self):
		if self.input_blocked and time() > self.input_blocked_until:
			self.input_blocked = False
		return self.input_blocked

	def copy_config_files(self, which):
		if ranger.arg.clean:
			sys.stderr.write("refusing to copy config files in clean mode\n")
			return
		import shutil
		def copy(_from, to):
			if os.path.exists(self.confpath(to)):
				sys.stderr.write("already exists: %s\n" % self.confpath(to))
			else:
				sys.stderr.write("creating: %s\n" % self.confpath(to))
				try:
					shutil.copy(self.relpath(_from), self.confpath(to))
				except Exception as e:
					sys.stderr.write("  ERROR: %s\n" % str(e))
		if which == 'apps' or which == 'all':
#.........這裏部分代碼省略.........

class FM(Actions, SignalDispatcher):
    input_blocked = False
    input_blocked_until = 0
    mode = 'normal'  # either 'normal' or 'visual'.
    search_method = 'ctime'

    _previous_selection = None
    _visual_reverse = False
    _visual_start = None
    _visual_start_pos = None

    def __init__(self, ui=None, bookmarks=None, tags=None, paths=['.']):
        """Initialize FM."""
        Actions.__init__(self)
        SignalDispatcher.__init__(self)
        if ui is None:
            self.ui = UI()
        else:
            self.ui = ui
        self.start_paths = paths
        self.directories = dict()
        self.log = deque(maxlen=20)
        self.image_displayer = ImageDisplayer(self)
        self.bookmarks = bookmarks
        self.current_tab = 1
        self.tabs = {}
        self.tags = tags
        self.restorable_tabs = deque([], ranger.MAX_RESTORABLE_TABS)
        self.py3 = sys.version_info >= (3, )
        self.previews = {}
        self.loader = Loader()
        self.copy_buffer = set()
        self.do_cut = False
        self.control_server = RangerControlServer(self)

        try:
            self.username = pwd.getpwuid(os.geteuid()).pw_name
        except:
            self.username = 'uid:' + str(os.geteuid())
        self.hostname = socket.gethostname()
        self.home_path = os.path.expanduser('~')

        self.log.append('ranger {0} started! Process ID is {1}.' \
                .format(__version__, os.getpid()))
        self.log.append('Running on Python ' + sys.version.replace('\n',''))

        mimetypes.knownfiles.append(os.path.expanduser('~/.mime.types'))
        mimetypes.knownfiles.append(self.relpath('data/mime.types'))
        self.mimetypes = mimetypes.MimeTypes()

    def initialize(self):
        """If ui/bookmarks are None, they will be initialized here."""

        self.tabs = dict((n+1, Tab(path)) for n, path in
                enumerate(self.start_paths))
        tab_list = self._get_tab_list()
        if tab_list:
            self.current_tab = tab_list[0]
            self.thistab = self.tabs[self.current_tab]
        else:
            self.current_tab = 1
            self.tabs[self.current_tab] = self.thistab = Tab('.')

        if not ranger.arg.clean and os.path.isfile(self.confpath('rifle.conf')):
            rifleconf = self.confpath('rifle.conf')
        else:
            rifleconf = self.relpath('config/rifle.conf')
        self.rifle = Rifle(rifleconf)
        self.rifle.reload_config()

        if self.bookmarks is None:
            if ranger.arg.clean:
                bookmarkfile = None
            else:
                bookmarkfile = self.confpath('bookmarks')
            self.bookmarks = Bookmarks(
                    bookmarkfile=bookmarkfile,
                    bookmarktype=Directory,
                    autosave=self.settings.autosave_bookmarks)
            self.bookmarks.load()

        if not ranger.arg.clean and self.tags is None:
            self.tags = Tags(self.confpath('tagged'))

        self.ui.setup_curses()
        self.ui.initialize()

        self.rifle.hook_before_executing = lambda a, b, flags: \
            self.ui.suspend() if 'f' not in flags else None
        self.rifle.hook_after_executing = lambda a, b, flags: \
            self.ui.initialize() if 'f' not in flags else None
        self.rifle.hook_logger = self.notify

        # This hook allows image viewers to open all images in the current
        # directory, keeping the order of files the same as in ranger.
        # The requirements to use it are:
        # 1. set open_all_images to true
        # 2. ensure no files are marked
        # 3. call rifle with a command that starts with "sxiv " or "feh "
        def sxiv_workaround_hook(command):
#.........這裏部分代碼省略.........

class FM(Actions, SignalDispatcher):
    input_blocked = False
    input_blocked_until = 0

    def __init__(self, ui=None, bookmarks=None, tags=None):
        """Initialize FM."""
        Actions.__init__(self)
        SignalDispatcher.__init__(self)
        self.ui = ui
        self.log = deque(maxlen=20)
        self.bookmarks = bookmarks
        self.tags = tags
        self.tabs = {}
        self.py3 = sys.version_info >= (3,)
        self.previews = {}
        self.current_tab = 1
        self.loader = Loader()

        self.log.append("ranger {0} started! Process ID is {1}.".format(__version__, os.getpid()))
        self.log.append("Running on Python " + sys.version.replace("\n", ""))

        mimetypes.knownfiles.append(os.path.expanduser("~/.mime.types"))
        mimetypes.knownfiles.append(self.relpath("data/mime.types"))
        self.mimetypes = mimetypes.MimeTypes()

    def initialize(self):
        """If ui/bookmarks are None, they will be initialized here."""
        if self.bookmarks is None:
            if ranger.arg.clean:
                bookmarkfile = None
            else:
                bookmarkfile = self.confpath("bookmarks")
            self.bookmarks = Bookmarks(
                bookmarkfile=bookmarkfile, bookmarktype=Directory, autosave=self.settings.autosave_bookmarks
            )
            self.bookmarks.load()

        if not ranger.arg.clean and self.tags is None:
            self.tags = Tags(self.confpath("tagged"))

        if self.ui is None:
            self.ui = UI()
            self.ui.initialize()

        def mylogfunc(text):
            self.notify(text, bad=True)

        self.run = Runner(ui=self.ui, apps=self.apps, logfunc=mylogfunc, fm=self)

        self.env.signal_bind("cd", self._update_current_tab)

        if self.settings.init_function:
            self.settings.init_function(self)

    def destroy(self):
        debug = ranger.arg.debug
        if self.ui:
            try:
                self.ui.destroy()
            except:
                if debug:
                    raise
        if self.loader:
            try:
                self.loader.destroy()
            except:
                if debug:
                    raise

    def block_input(self, sec=0):
        self.input_blocked = sec != 0
        self.input_blocked_until = time() + sec

    def input_is_blocked(self):
        if self.input_blocked and time() > self.input_blocked_until:
            self.input_blocked = False
        return self.input_blocked

    def copy_config_files(self, which):
        if ranger.arg.clean:
            sys.stderr.write("refusing to copy config files in clean mode\n")
            return
        import shutil

        def copy(_from, to):
            if os.path.exists(self.confpath(to)):
                sys.stderr.write("already exists: %s\n" % self.confpath(to))
            else:
                sys.stderr.write("creating: %s\n" % self.confpath(to))
                try:
                    shutil.copy(self.relpath(_from), self.confpath(to))
                except Exception as e:
                    sys.stderr.write("  ERROR: %s\n" % str(e))

        if which == "apps" or which == "all":
            copy("defaults/apps.py", "apps.py")
        if which == "commands" or which == "all":
            copy("defaults/commands.py", "commands.py")
        if which == "rc" or which == "all":
            copy("defaults/rc.conf", "rc.conf")
#.........這裏部分代碼省略.........

	def __init__(self):
		self.loader = Loader()
		fm = OpenStruct(loader=self.loader)
		SettingsAware.settings = Fake()
		FileManagerAware.fm = fm
		self.dir = Directory(TESTDIR)