def mount(self):
log.debug("Mounting photocard...")
self.START_OPERATION('mount')
try:
stat = pcardext.mount(self._read, self._write)
disk_info = pcardext.info()
self.write_protect = disk_info[8]
log.debug("stat=%d" % stat)
if stat == 0:
if self.write_protect:
# if write_protect is True,
# card write NAK'd and channel was
# closed. We have to reopen here.
self.open_channel()
self.pcard_mounted = True
pcardext.cd('/')
self.ls(True, '*', False)
else:
self.pcard_mounted = False
raise Error(ERROR_DEVICE_DOES_NOT_SUPPORT_OPERATION)
finally:
if self.pcard_mounted:
self.END_OPERATION('mount')
def cdup(self, openclose=True):
if len(self.dir_stack.as_list()) == 0:
return self.cd('/', openclose)
self.dir_stack.pop()
self.START_OPERATION('cdup')
try:
pcardext.cd('/')
for d in self.dir_stack.as_list():
pcardext.cd(d)
self.ls(True, '*', False)
finally:
self.END_OPERATION('cdup', openclose)
def __tree(self, __d=None):
if __d is None:
__d = {}
pcardext.cd('/')
for f in pcardext.ls(): # True, '*', False ):
fname = f[0].lower()
if self.callback is not None:
self.callback()
if fname not in ('.', '..'):
if f[1] == 'd':
self.cd(fname, False)
__d[fname] = {}
__d[fname] = self.__tree(__d[fname])
self.cdup(False)
else:
__d[fname] = f[2]
return __d
def cd(self, dirs, openclose=True):
self.START_OPERATION('cd')
try:
stat = pcardext.cd(dirs)
if stat:
if dirs == '/':
self.dir_stack.clear()
else:
dirs = dirs.split('/')
for d in dirs:
self.dir_stack.push(d)
self.ls(True, '*', False)
finally:
self.END_OPERATION('cd', openclose)
