__license__ = 'GPL v3'
__copyright__ = '2009, John Schember <john at nachtimwald.com> ' \
'2009, Kovid Goyal <kovid@kovidgoyal.net>'
__docformat__ = 'restructuredtext en'
'''
Generic device driver. This is not a complete stand alone driver. It is
intended to be subclassed with the relevant parts implemented for a particular
device. This class handles device detection.
'''
import glob
import os
import re
import subprocess
import sys
import time
from collections import namedtuple
from itertools import repeat
from calibre import prints
from calibre.constants import is_debugging, isfreebsd, islinux, ismacos, iswindows
from calibre.devices.errors import DeviceError
from calibre.devices.interface import DevicePlugin
from calibre.devices.usbms.deviceconfig import DeviceConfig
from calibre.utils.filenames import ascii_filename as sanitize
from polyglot.builtins import iteritems, string_or_bytes
if ismacos:
osx_sanitize_name_pat = re.compile(r'[.-]')
if iswindows:
usb_info_cache = {}
def eject_exe():
base = sys.extensions_location if hasattr(sys, 'new_app_layout') else os.path.dirname(sys.executable)
return os.path.join(base, 'calibre-eject.exe')
class USBDevice:
def __init__(self, dev):
self.idVendor = dev[0]
self.idProduct = dev[1]
self.bcdDevice = dev[2]
if iswindows:
# Getting this information requires communicating with the device
# we only do that in the can_handle_windows() method, if needed.
self.manufacturer = self.serial = self.product = None
else:
self.manufacturer = dev[3]
self.product = dev[4]
self.serial = dev[5]
def match_serial(self, serial):
return self.serial and self.serial == serial
def match_numbers(self, vid, pid, bcd):
return self.idVendor == vid and self.idProduct == pid and self.bcdDevice == bcd
def match_strings(self, vid, pid, bcd, man, prod):
if not self.match_numbers(vid, pid, bcd):
return False
if man == self.manufacturer and prod == self.product:
return True
# As of macOS 10.11.4 Apple started mangling the names returned via the
# IOKit registry. See
# https://www.mobileread.com/forums/showthread.php?t=273213
m = osx_sanitize_name_pat.sub('_', (self.manufacturer or ''))
p = osx_sanitize_name_pat.sub('_', (self.product or ''))
return m == man and p == prod
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class Device(DeviceConfig, DevicePlugin):
'''
This class provides logic common to all drivers for devices that export themselves
as USB Mass Storage devices. Provides implementations for mounting/ejecting
of USBMS devices on all platforms.
'''
VENDOR_ID = 0x0
PRODUCT_ID = 0x0
BCD = None
VENDOR_NAME = None
#: String identifying the main memory of the device in the Windows PnP id
#: strings
#: This can be None, string, list of strings or compiled regex
WINDOWS_MAIN_MEM = None
#: String identifying the first card of the device in the Windows PnP id
#: strings
#: This can be None, string, list of strings or compiled regex
WINDOWS_CARD_A_MEM = None
#: String identifying the second card of the device in the Windows PnP id
#: strings
#: This can be None, string, list of strings or compiled regex
WINDOWS_CARD_B_MEM = None
#: Used by the new driver detection to disambiguate main memory from
#: storage cards. Should be a regular expression that matches the
#: main memory mount point assigned by macOS
OSX_MAIN_MEM_VOL_PAT = None
OSX_EJECT_COMMAND = ['diskutil', 'eject']
MAIN_MEMORY_VOLUME_LABEL = ''
STORAGE_CARD_VOLUME_LABEL = ''
STORAGE_CARD2_VOLUME_LABEL = None
EBOOK_DIR_MAIN = ''
EBOOK_DIR_CARD_A = ''
EBOOK_DIR_CARD_B = ''
DELETE_EXTS = []
# USB disk-based devices can see the book files on the device, so can
# copy these back to the library
BACKLOADING_ERROR_MESSAGE = None
#: The maximum length of paths created on the device
MAX_PATH_LEN = 250
#: Put news in its own folder
NEWS_IN_FOLDER = True
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def reset(self, key='-1', log_packets=False, report_progress=None,
detected_device=None):
self._main_prefix = self._card_a_prefix = self._card_b_prefix = None
self.detected_device = None if detected_device is None else USBDevice(detected_device)
self.set_progress_reporter(report_progress)
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def set_progress_reporter(self, report_progress):
self.report_progress = report_progress
self.report_progress = report_progress
if self.report_progress is None:
self.report_progress = lambda x, y: x
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def card_prefix(self, end_session=True):
return (self._card_a_prefix, self._card_b_prefix)
@classmethod
def _windows_space(cls, prefix):
if not prefix:
return 0, 0
prefix = prefix[:-1]
from calibre_extensions import winutil
try:
available_space, total_space, free_space = winutil.get_disk_free_space(prefix)
except OSError as err:
if err.winerror == winutil.ERROR_NOT_READY:
# Disk not ready
time.sleep(3)
available_space, total_space, free_space = winutil.get_disk_free_space(prefix)
else:
raise
return total_space, available_space
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def total_space(self, end_session=True):
msz = casz = cbsz = 0
if not iswindows:
if self._main_prefix is not None:
stats = os.statvfs(self._main_prefix)
msz = stats.f_frsize * (stats.f_blocks + stats.f_bavail - stats.f_bfree)
if self._card_a_prefix is not None:
stats = os.statvfs(self._card_a_prefix)
casz = stats.f_frsize * (stats.f_blocks + stats.f_bavail - stats.f_bfree)
if self._card_b_prefix is not None:
stats = os.statvfs(self._card_b_prefix)
cbsz = stats.f_frsize * (stats.f_blocks + stats.f_bavail - stats.f_bfree)
else:
msz = self._windows_space(self._main_prefix)[0]
casz = self._windows_space(self._card_a_prefix)[0]
cbsz = self._windows_space(self._card_b_prefix)[0]
return (msz, casz, cbsz)
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def free_space(self, end_session=True):
msz = casz = cbsz = 0
if not iswindows:
if self._main_prefix is not None:
stats = os.statvfs(self._main_prefix)
msz = stats.f_frsize * stats.f_bavail
if self._card_a_prefix is not None:
stats = os.statvfs(self._card_a_prefix)
casz = stats.f_frsize * stats.f_bavail
if self._card_b_prefix is not None:
stats = os.statvfs(self._card_b_prefix)
cbsz = stats.f_frsize * stats.f_bavail
else:
msz = self._windows_space(self._main_prefix)[1]
casz = self._windows_space(self._card_a_prefix)[1]
cbsz = self._windows_space(self._card_b_prefix)[1]
return (msz, casz, cbsz)
def windows_filter_pnp_id(self, pnp_id):
return False
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def windows_sort_drives(self, drives):
'''
Called to disambiguate main memory and storage card for devices that
do not distinguish between them on the basis of `WINDOWS_CARD_NAME`.
For example: The EB600
'''
return drives
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def can_handle_windows(self, usbdevice, debug=False):
if hasattr(self.can_handle, 'is_base_class_implementation'):
# No custom can_handle implementation
return True
# Delegate to the unix can_handle function, creating a unix like
# USBDevice object
from calibre.devices.winusb import get_usb_info
dev = usb_info_cache.get(usbdevice)
if dev is None:
try:
data = get_usb_info(usbdevice, debug=debug)
except Exception:
time.sleep(0.1)
try:
data = get_usb_info(usbdevice, debug=debug)
except Exception:
data = {}
dev = usb_info_cache[usbdevice] = namedtuple(
'USBDevice', 'vendor_id product_id bcd manufacturer product serial')(
usbdevice.vendor_id, usbdevice.product_id, usbdevice.bcd,
data.get('manufacturer') or '', data.get('product') or '', data.get('serial_number') or '')
if debug:
prints(f'USB Info for device: {dev}')
return self.can_handle(dev, debug=debug)
def open_windows(self):
from calibre.devices.scanner import drive_is_ok
from calibre.devices.winusb import get_drive_letters_for_device
usbdev = self.device_being_opened
debug = is_debugging() or getattr(self, 'do_device_debug', False)
try:
dlmap = get_drive_letters_for_device(usbdev, debug=debug)
except Exception:
dlmap = {}
if not dlmap.get('drive_letters'):
time.sleep(7)
dlmap = get_drive_letters_for_device(usbdev, debug=debug)
if debug:
from pprint import pformat
prints(f'Drive letters for {usbdev}')
prints(pformat(dlmap))
filtered = set()
for dl in dlmap['drive_letters']:
pnp_id = dlmap['pnp_id_map'][dl].upper()
if dl in dlmap['readonly_drives']:
filtered.add(dl)
if debug:
prints('Ignoring the drive %s as it is readonly' % dl)
elif self.windows_filter_pnp_id(pnp_id):
filtered.add(dl)
if debug:
prints(f'Ignoring the drive {dl} because of a PNP filter on {pnp_id}')
elif not drive_is_ok(dl, debug=debug):
filtered.add(dl)
if debug:
prints('Ignoring the drive %s because failed to get free space for it' % dl)
dlmap['drive_letters'] = [dl for dl in dlmap['drive_letters'] if dl not in filtered]
if not dlmap['drive_letters']:
raise DeviceError(_('Unable to detect any disk drives for the device: %s. Try rebooting') % self.get_gui_name())
drives = {}
for drive_letter, which in zip(dlmap['drive_letters'], 'main carda cardb'.split()):
drives[which] = drive_letter + ':\\'
drives = self.windows_sort_drives(drives)
self._main_prefix = drives.get('main')
self._card_a_prefix = drives.get('carda', None)
self._card_b_prefix = drives.get('cardb', None)
@classmethod
def run_ioreg(cls, raw=None):
if raw is not None:
return raw
ioreg = '/usr/sbin/ioreg'
if not os.access(ioreg, os.X_OK):
ioreg = 'ioreg'
cmd = (ioreg+' -w 0 -S -c IOMedia').split()
for i in range(3):
try:
return subprocess.Popen(cmd,
stdout=subprocess.PIPE).communicate()[0]
except OSError: # Probably an interrupted system call
if i == 2:
raise
time.sleep(2)
def osx_sort_names(self, names):
return names
@classmethod
def osx_run_mount(cls):
for i in range(3):
try:
return subprocess.Popen('mount',
stdout=subprocess.PIPE).communicate()[0]
except OSError: # Probably an interrupted system call
if i == 2:
raise
time.sleep(2)
@classmethod
def osx_get_usb_drives(cls):
from calibre_extensions.usbobserver import get_usb_drives
return get_usb_drives()
def _osx_bsd_names(self):
drives = self.osx_get_usb_drives()
matches = []
d = self.detected_device
if d.serial:
for path, vid, pid, bcd, ven, prod, serial in drives:
if d.match_serial(serial):
matches.append(path)
if not matches and d.manufacturer and d.product:
for path, vid, pid, bcd, man, prod, serial in drives:
if d.match_strings(vid, pid, bcd, man, prod):
matches.append(path)
if not matches:
# Since Apple started mangling the names stored in the IOKit
# registry, we cannot trust match_strings() so fallback to matching
# on just numbers. See http://www.mobileread.com/forums/showthread.php?t=273213
for path, vid, pid, bcd, man, prod, serial in drives:
if d.match_numbers(vid, pid, bcd):
matches.append(path)
if not matches:
from pprint import pformat
raise DeviceError(
f'Could not detect BSD names for {self.name}. Try rebooting.\nOutput from osx_get_usb_drives():\n{pformat(drives)}')
pat = re.compile(r'(?P<m>\d+)([a-z]+(?P<p>\d+)){0,1}')
def nums(x):
'Return (disk num, partition number)'
m = pat.search(x)
if m is None:
return (10000, -1)
g = m.groupdict()
if g['p'] is None:
g['p'] = 0
return list(map(int, (g.get('m'), g.get('p'))))
def cmp_key(x):
'''
Sorting based on the following scheme:
- disks without partitions are first
- sub sorted based on disk number
- disks with partitions are sorted first on
disk number, then on partition number
'''
x = x.rpartition('/')[-1]
disk_num, part_num = nums(x)
has_part = 1 if part_num > 0 else 0
return has_part, disk_num, part_num
matches.sort(key=cmp_key)
drives = {'main':matches[0]}
if len(matches) > 1:
drives['carda'] = matches[1]
if len(matches) > 2:
drives['cardb'] = matches[2]
return drives
def osx_bsd_names(self):
drives = {}
for i in range(3):
try:
drives = self._osx_bsd_names()
if len(drives) > 1: # wait for device to settle and SD card (if any) to become available
return drives
except Exception:
if i == 2:
raise
time.sleep(3)
return drives
def open_osx(self):
from calibre_extensions.usbobserver import get_mounted_filesystems
bsd_drives = self.osx_bsd_names()
drives = self.osx_sort_names(bsd_drives.copy())
mount_map = get_mounted_filesystems()
# macOS 13 Ventura uses a weird scheme for mounted FAT devices of the
# form fat://basename_of_bsd_name/basename_of_mountpoint
# see https://www.mobileread.com/forums/showthread.php?t=347294
for dev_node in tuple(mount_map):
if ':' in dev_node and '//' in dev_node:
val = mount_map[dev_node]
dev_node = dev_node.split('/')[-2]
dev_node = f'/dev/{dev_node}'
if dev_node not in mount_map:
mount_map[dev_node] = val
drives = {k: mount_map.get(v) for k, v in iteritems(drives)}
if is_debugging():
print()
from pprint import pprint
pprint({'bsd_drives': bsd_drives, 'mount_map': mount_map, 'drives': drives})
if drives.get('carda') is None and drives.get('cardb') is not None:
drives['carda'] = drives.pop('cardb')
if drives.get('main') is None and drives.get('carda') is not None:
drives['main'] = drives.pop('carda')
if drives.get('carda') is None and drives.get('cardb') is not None:
drives['carda'] = drives.pop('cardb')
if drives.get('main') is None:
raise DeviceError(_('Unable to detect the %s mount point. Try rebooting.')%self.__class__.__name__)
pat = self.OSX_MAIN_MEM_VOL_PAT
if pat is not None and len(drives) > 1 and 'main' in drives:
if pat.search(drives['main']) is None:
main = drives['main']
for x in ('carda', 'cardb'):
if x in drives and pat.search(drives[x]):
drives['main'] = drives.pop(x)
drives[x] = main
break
self._main_prefix = drives['main']+os.sep
def get_card_prefix(c):
ans = drives.get(c, None)
if ans is not None:
ans += os.sep
return ans
self._card_a_prefix = get_card_prefix('carda')
self._card_b_prefix = get_card_prefix('cardb')
def find_device_nodes(self, detected_device=None):
def walk(base):
base = os.path.abspath(os.path.realpath(base))
for x in os.listdir(base):
p = os.path.join(base, x)
if os.path.islink(p) or not os.access(p, os.R_OK):
continue
isfile = os.path.isfile(p)
yield p, isfile
if not isfile:
yield from walk(p)
def raw2num(raw):
raw = raw.lower()
if not raw.startswith('0x'):
raw = '0x' + raw
return int(raw, 16)
# Find device node based on vendor, product and bcd
d, j = os.path.dirname, os.path.join
usb_dir = None
if detected_device is None:
detected_device = self.detected_device
def test(val, attr):
q = getattr(detected_device, attr)
return q == val
def getnum(usb_dir):
def rc(q):
with open(j(usb_dir, q), 'rb') as f:
return raw2num(f.read().decode('utf-8'))
return rc
for x, isfile in walk('/sys/devices'):
if isfile and x.endswith('idVendor'):
usb_dir = d(x)
for y in ('idProduct', 'idVendor', 'bcdDevice'):
if not os.access(j(usb_dir, y), os.R_OK):
usb_dir = None
break
if usb_dir is None:
continue
ven, prod, bcd = map(getnum(usb_dir), ('idVendor', 'idProduct', 'bcdDevice'))
if not (test(ven, 'idVendor') and test(prod, 'idProduct') and
test(bcd, 'bcdDevice')):
usb_dir = None
continue
else:
break
if usb_dir is None:
raise DeviceError(_('Unable to detect the %s disk drive.')
%self.__class__.__name__)
devnodes, ok = [], {}
for x, isfile in walk(usb_dir):
if not isfile and '/block/' in x:
parts = x.split('/')
idx = parts.index('block')
if idx == len(parts)-2:
sz = j(x, 'size')
node = parts[idx+1]
try:
with open(sz, 'rb') as szf:
exists = int(szf.read().decode('utf-8')) > 0
if exists:
node = self.find_largest_partition(x)
ok[node] = True
else:
ok[node] = False
except:
ok[node] = False
if is_debugging() and not ok[node]:
print(f'\nIgnoring the node: {node} as could not read size from: {sz}')
devnodes.append(node)
devnodes += list(repeat(None, 3))
ans = ['/dev/'+x if ok.get(x, False) else None for x in devnodes]
ans.sort(key=lambda x: x[5:] if x else 'zzzzz')
return self.linux_swap_drives(ans[:3])
def linux_swap_drives(self, drives):
return drives
def node_mountpoint(self, node):
from calibre.devices.udisks import node_mountpoint
return node_mountpoint(node)
def find_largest_partition(self, path):
node = path.split('/')[-1]
nodes = []
for x in glob.glob(path+'/'+node+'*'):
sz = x + '/size'
if not os.access(sz, os.R_OK):
continue
try:
with open(sz, 'rb') as szf:
sz = int(szf.read().decode('utf-8'))
except:
continue
if sz > 0:
nodes.append((x.split('/')[-1], sz))
nodes.sort(key=lambda x: x[1])
if not nodes:
return node
return nodes[-1][0]
def open_linux(self):
def mount(node, type):
mp = self.node_mountpoint(node)
if mp is not None:
return mp, 0
def do_mount(node):
try:
from calibre.devices.udisks import mount
mount(node)
return 0
except:
print('Udisks mount call failed:')
import traceback
traceback.print_exc()
return 1
ret = do_mount(node)
if ret != 0:
return None, ret
return self.node_mountpoint(node)+'/', 0
main, carda, cardb = self.find_device_nodes()
if main is None:
raise DeviceError(_('Unable to detect the %s disk drive. Either '
'the device has already been ejected, or your '
'kernel is exporting a deprecated version of SYSFS.')
%self.__class__.__name__)
if is_debugging():
print('\nFound device nodes:', main, carda, cardb)
self._linux_mount_map = {}
mp, ret = mount(main, 'main')
if mp is None:
raise DeviceError(
_('Unable to mount main memory (Error code: %d)')%ret)
if not mp.endswith('/'):
mp += '/'
self._linux_mount_map[main] = mp
self._main_prefix = mp
self._linux_main_device_node = main
cards = [(carda, '_card_a_prefix', 'carda'),
(cardb, '_card_b_prefix', 'cardb')]
for card, prefix, typ in cards:
if card is None:
continue
mp, ret = mount(card, typ)
if mp is None:
print('Unable to mount card (Error code: %d)'%ret, file=sys.stderr)
else:
if not mp.endswith('/'):
mp += '/'
setattr(self, prefix, mp)
self._linux_mount_map[card] = mp
self.filter_read_only_mount_points()
def filter_read_only_mount_points(self):
def is_readonly(mp):
if mp is None:
return True
path = os.path.join(mp, 'calibre_readonly_test')
ro = True
try:
with open(path, 'wb'):
ro = False
except:
pass
else:
try:
os.remove(path)
except:
pass
if is_debugging() and ro:
print('\nThe mountpoint', mp, 'is readonly, ignoring it')
return ro
for mp in ('_main_prefix', '_card_a_prefix', '_card_b_prefix'):
if is_readonly(getattr(self, mp, None)):
setattr(self, mp, None)
if self._main_prefix is None:
for p in ('_card_a_prefix', '_card_b_prefix'):
nmp = getattr(self, p, None)
if nmp is not None:
self._main_prefix = nmp
setattr(self, p, None)
break
if self._main_prefix is None:
raise DeviceError(_('The main memory of %s is read only. '
'This usually happens because of file system errors.')
%self.__class__.__name__)
if self._card_a_prefix is None and self._card_b_prefix is not None:
self._card_a_prefix = self._card_b_prefix
self._card_b_prefix = None
# ------------------------------------------------------
#
# open for FreeBSD
# find the device node or nodes that match the S/N we already have from the scanner
# and attempt to mount each one
# 1. get list of devices in /dev with matching s/n etc.
# 2. get list of volumes associated with each
# 3. attempt to mount each one using Hal
# 4. when finished, we have a list of mount points and associated dbus nodes
#
def open_freebsd(self):
# There should be some way to access the -v arg...
verbose = False
# this gives us access to the S/N, etc. of the reader that the scanner has found
# and the match routines for some of that data, like s/n, vendor ID, etc.
d=self.detected_device
if not d.serial:
raise DeviceError("Device has no S/N. Can't continue")
from .hal import get_hal
hal = get_hal()
vols = hal.get_volumes(d)
if verbose:
print("FBSD:\t", vols)
ok, mv = hal.mount_volumes(vols)
if not ok:
raise DeviceError(_('Unable to mount the device'))
for k, v in mv.items():
setattr(self, k, v)
#
# ------------------------------------------------------
#
# this one is pretty simple:
# just umount each of the previously
# mounted filesystems, using the stored volume object
#
def eject_freebsd(self):
from .hal import get_hal
hal = get_hal()
if self._main_prefix:
hal.unmount(self._main_vol)
if self._card_a_prefix:
hal.unmount(self._card_a_vol)
if self._card_b_prefix:
hal.unmount(self._card_b_vol)
self._main_prefix = self._main_vol = None
self._card_a_prefix = self._card_a_vol = None
self._card_b_prefix = self._card_b_vol = None
# ------------------------------------------------------
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def open(self, connected_device, library_uuid):
time.sleep(5)
self._main_prefix = self._card_a_prefix = self._card_b_prefix = None
self.device_being_opened = connected_device
try:
if islinux:
try:
self.open_linux()
except DeviceError:
time.sleep(7)
self.open_linux()
if isfreebsd:
self._main_vol = self._card_a_vol = self._card_b_vol = None
try:
self.open_freebsd()
except DeviceError:
time.sleep(2)
self.open_freebsd()
if iswindows:
self.open_windows()
if ismacos:
try:
self.open_osx()
except DeviceError:
time.sleep(7)
self.open_osx()
self.current_library_uuid = library_uuid
self.post_open_callback()
finally:
self.device_being_opened = None
def post_open_callback(self):
pass
def eject_windows(self):
from threading import Thread
drives = []
for x in ('_main_prefix', '_card_a_prefix', '_card_b_prefix'):
x = getattr(self, x, None)
if x is not None:
drives.append(x[0].upper())
def do_it(drives):
subprocess.Popen([eject_exe()] + drives, creationflags=subprocess.CREATE_NO_WINDOW).wait()
t = Thread(target=do_it, args=[drives])
t.daemon = True
t.start()
self.__save_win_eject_thread = t
def eject_osx(self):
for x in ('_main_prefix', '_card_a_prefix', '_card_b_prefix'):
x = getattr(self, x, None)
if x is not None:
try:
subprocess.Popen(self.OSX_EJECT_COMMAND + [x])
except:
pass
def eject_linux(self):
from calibre.devices.udisks import eject, umount
drives = [d for d in self.find_device_nodes() if d]
for d in drives:
try:
umount(d)
except:
pass
for d in drives:
try:
eject(d)
except Exception as e:
print('Udisks eject call for:', d, 'failed:')
print('\t', e)
[文档]
def eject(self):
if islinux:
try:
self.eject_linux()
except:
pass
if isfreebsd:
try:
self.eject_freebsd()
except:
pass
if iswindows:
try:
self.eject_windows()
except:
pass
if ismacos:
try:
self.eject_osx()
except:
pass
self._main_prefix = self._card_a_prefix = self._card_b_prefix = None
def linux_post_yank(self):
self._linux_mount_map = {}
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def post_yank_cleanup(self):
if islinux:
try:
self.linux_post_yank()
except:
import traceback
traceback.print_exc()
self._main_prefix = self._card_a_prefix = self._card_b_prefix = None
def get_main_ebook_dir(self, for_upload=False):
return self.EBOOK_DIR_MAIN
def get_carda_ebook_dir(self, for_upload=False):
return self.EBOOK_DIR_CARD_A
def get_cardb_ebook_dir(self, for_upload=False):
return self.EBOOK_DIR_CARD_B
def _sanity_check(self, on_card, files):
from calibre.devices.utils import sanity_check
sanity_check(on_card, files, self.card_prefix(), self.free_space())
def get_dest_dir(prefix, candidates):
if isinstance(candidates, string_or_bytes):
candidates = [candidates]
if not candidates:
candidates = ['']
candidates = [
((os.path.join(prefix, *(x.split('/')))) if x else prefix)
for x in candidates]
existing = [x for x in candidates if os.path.exists(x)]
if not existing:
existing = candidates
return existing[0]
if on_card == 'carda':
candidates = self.get_carda_ebook_dir(for_upload=True)
path = get_dest_dir(self._card_a_prefix, candidates)
elif on_card == 'cardb':
candidates = self.get_cardb_ebook_dir(for_upload=True)
path = get_dest_dir(self._card_b_prefix, candidates)
else:
candidates = self.get_main_ebook_dir(for_upload=True)
path = get_dest_dir(self._main_prefix, candidates)
return path
[文档]
def sanitize_callback(self, path):
'''
Callback to allow individual device drivers to override the path sanitization
used by :meth:`create_upload_path`.
'''
return sanitize(path)
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def filename_callback(self, default, mi):
'''
Callback to allow drivers to change the default file name
set by :meth:`create_upload_path`.
'''
return default
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def sanitize_path_components(self, components):
'''
Perform any device specific sanitization on the path components
for files to be uploaded to the device
'''
return components
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def get_annotations(self, path_map):
'''
Resolve path_map to annotation_map of files found on the device
'''
return {}
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def add_annotation_to_library(self, db, db_id, annotation):
'''
Add an annotation to the calibre library
'''
pass
def create_upload_path(self, path, mdata, fname, create_dirs=True):
from calibre.devices.utils import create_upload_path
settings = self.settings()
filepath = create_upload_path(mdata, fname, self.save_template(), self.sanitize_callback,
prefix_path=os.path.abspath(path),
maxlen=self.MAX_PATH_LEN,
use_subdirs=self.SUPPORTS_SUB_DIRS and settings.use_subdirs,
news_in_folder=self.NEWS_IN_FOLDER,
filename_callback=self.filename_callback,
sanitize_path_components=self.sanitize_path_components
)
filedir = os.path.dirname(filepath)
if create_dirs and not os.path.exists(filedir):
os.makedirs(filedir)
return filepath
def create_annotations_path(self, mdata, device_path=None):
return self.create_upload_path(os.path.abspath('/<storage>'), mdata, 'x.bookmark', create_dirs=False)
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