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Current File : //proc/thread-self/root/usr/lib/calibre/calibre/devices/folder_device/driver.py

'''
Created on 15 May 2010

@author: charles
'''
import os

from calibre.devices.usbms.driver import USBMS, BookList
from calibre.ebooks import BOOK_EXTENSIONS

# This class is added to the standard device plugin chain, so that it can
# be configured. It has invalid vendor_id etc, so it will never match a
# device. The 'real' FOLDER_DEVICE will use the config from it.


class FOLDER_DEVICE_FOR_CONFIG(USBMS):
    name           = 'Folder Device Interface'
    gui_name       = 'Folder Device'
    description    = _('Use an arbitrary folder as a device.')
    author         = 'John Schember/Charles Haley'
    supported_platforms = ['windows', 'osx', 'linux']
    FORMATS     = list(BOOK_EXTENSIONS) + ['ppt', 'pptx']

    VENDOR_ID   = [0xffff]
    PRODUCT_ID  = [0xffff]
    BCD         = [0xffff]
    DEVICE_PLUGBOARD_NAME = 'FOLDER_DEVICE'
    SUPPORTS_SUB_DIRS = True


class FOLDER_DEVICE(USBMS):
    type = _('Device interface')

    name           = 'Folder Device Interface'
    gui_name       = 'Folder Device'
    description    = _('Use an arbitrary folder as a device.')
    author         = 'John Schember/Charles Haley'
    supported_platforms = ['windows', 'osx', 'linux']
    FORMATS     = FOLDER_DEVICE_FOR_CONFIG.FORMATS

    VENDOR_ID   = [0xffff]
    PRODUCT_ID  = [0xffff]
    BCD         = [0xffff]
    DEVICE_PLUGBOARD_NAME = 'FOLDER_DEVICE'

    THUMBNAIL_HEIGHT = 68  # Height for thumbnails on device

    CAN_SET_METADATA = ['title', 'authors']
    SUPPORTS_SUB_DIRS = True

    #: Icon for this device
    icon = I('devices/folder.png')
    METADATA_CACHE = '.metadata.calibre'
    DRIVEINFO = '.driveinfo.calibre'

    _main_prefix = ''
    _card_a_prefix = None
    _card_b_prefix = None

    is_connected = False

    def __init__(self, path):
        if not os.path.isdir(path):
            raise OSError('Path is not a folder')
        path = USBMS.normalize_path(path)
        if path.endswith(os.sep):
            self._main_prefix = path
        else:
            self._main_prefix = path + os.sep
        self.booklist_class = BookList
        self.is_connected = True

    def reset(self, key='-1', log_packets=False, report_progress=None,
              detected_device=None):
        pass

    def unmount_device(self):
        self._main_prefix = ''
        self.is_connected = False

    def is_usb_connected(self, devices_on_system, debug=False,
            only_presence=False):
        return self.is_connected, self

    def open(self, connected_device, library_uuid):
        self.current_library_uuid = library_uuid
        if not self._main_prefix:
            return False
        return True

    def set_progress_reporter(self, report_progress):
        self.report_progress = report_progress

    def card_prefix(self, end_session=True):
        return (None, None)

    def eject(self):
        self.is_connected = False

    @classmethod
    def settings(self):
        return FOLDER_DEVICE_FOR_CONFIG._config().parse()

    @classmethod
    def config_widget(cls):
        return FOLDER_DEVICE_FOR_CONFIG.config_widget()

    @classmethod
    def save_settings(cls, config_widget):
        return FOLDER_DEVICE_FOR_CONFIG.save_settings(config_widget)

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