Python compat.URLError方法代码示例

# 需要导入模块: from nltk import compat [as 别名]
# 或者: from nltk.compat import URLError [as 别名]
def run(self):
        print('NLTK Downloader')
        while True:
            self._simple_interactive_menu(
                'd) Download', 'l) List', ' u) Update', 'c) Config', 'h) Help', 'q) Quit')
            user_input = compat.raw_input('Downloader> ').strip()
            if not user_input: print(); continue
            command = user_input.lower().split()[0]
            args = user_input.split()[1:]
            try:
                if command == 'l':
                    print()
                    self._ds.list(self._ds.download_dir, header=False,
                                  more_prompt=True)
                elif command == 'h':
                    self._simple_interactive_help()
                elif command == 'c':
                    self._simple_interactive_config()
                elif command in ('q', 'x'):
                    return
                elif command == 'd':
                    self._simple_interactive_download(args)
                elif command == 'u':
                    self._simple_interactive_update()
                else:
                    print('Command %r unrecognized' % user_input)
            except compat.HTTPError as e:
                print('Error reading from server: %s'%e)
            except compat.URLError as e:
                print('Error connecting to server: %s'%e.reason)
            # try checking if user_input is a package name, &
            # downloading it?
            print() 

# 需要导入模块: from nltk import compat [as 别名]
# 或者: from nltk.compat import URLError [as 别名]
def _refresh(self):
        self._ds.clear_status_cache()
        try:
            self._fill_table()
        except compat.HTTPError as e:
            showerror('Error reading from server', e)
        except compat.URLError as e:
            showerror('Error connecting to server', e.reason)
        self._table.select(0) 

# 需要导入模块: from nltk import compat [as 别名]
# 或者: from nltk.compat import URLError [as 别名]
def _set_download_dir(self, download_dir):
        if self._ds.download_dir == download_dir: return
        # check if the dir exists, and if not, ask if we should create it?

        # Clear our status cache, & re-check what's installed
        self._ds.download_dir = download_dir
        try:
            self._fill_table()
        except compat.HTTPError as e:
            showerror('Error reading from server', e)
        except compat.URLError as e:
            showerror('Error connecting to server', e.reason)
        self._show_info() 

# 需要导入模块: from nltk import compat [as 别名]
# 或者: from nltk.compat import URLError [as 别名]
def _prev_tab(self, *e):
        for i, tab in enumerate(self._tab_names):
            if tab.lower() == self._tab and i > 0:
                self._tab = self._tab_names[i-1].lower()
                try:
                    return self._fill_table()
                except compat.HTTPError as e:
                    showerror('Error reading from server', e)
                except compat.URLError as e:
                    showerror('Error connecting to server', e.reason) 

# 需要导入模块: from nltk import compat [as 别名]
# 或者: from nltk.compat import URLError [as 别名]
def _select_tab(self, event):
        self._tab = event.widget['text'].lower()
        try:
            self._fill_table()
        except compat.HTTPError as e:
            showerror('Error reading from server', e)
        except compat.URLError as e:
            showerror('Error connecting to server', e.reason) 

# 需要导入模块: from nltk import compat [as 别名]
# 或者: from nltk.compat import URLError [as 别名]
def __init__(self, dataserver, use_threads=True):
        self._ds = dataserver
        self._use_threads = use_threads

        # For the threaded downloader:
        self._download_lock = threading.Lock()
        self._download_msg_queue = []
        self._download_abort_queue = []
        self._downloading = False

        # For tkinter after callbacks:
        self._afterid = {}

        # A message log.
        self._log_messages = []
        self._log_indent = 0
        self._log('NLTK Downloader Started!')

        # Create the main window.
        top = self.top = Tk()
        top.geometry('+50+50')
        top.title('NLTK Downloader')
        top.configure(background=self._BACKDROP_COLOR[1])

        # Set up some bindings now, in case anything goes wrong.
        top.bind('<Control-q>', self.destroy)
        top.bind('<Control-x>', self.destroy)
        self._destroyed = False

        self._column_vars = {}

        # Initialize the GUI.
        self._init_widgets()
        self._init_menu()
        try:
            self._fill_table()
        except compat.HTTPError as e:
            showerror('Error reading from server', e)
        except compat.URLError as e:
            showerror('Error connecting to server', e.reason)

        self._show_info()
        self._select_columns()
        self._table.select(0)

        # Make sure we get notified when we're destroyed, so we can
        # cancel any download in progress.
        self._table.bind('<Destroy>', self._destroy)