--preserve option (same default as for cp) & progress bar are now working.
also added --force & --verbose options
This commit is contained in:
parent
4748123e8d
commit
554ab06336
103
gcp
103
gcp
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@ -22,7 +22,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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### logging ###
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import logging
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from logging import debug, info, error, warning
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logging.basicConfig(level=logging.DEBUG,
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logging.basicConfig(level=logging.INFO,
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format='%(message)s')
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###
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import sys
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@ -67,6 +67,7 @@ Get the latest version at http://www.goffi.org
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const_DBUS_INTERFACE = "org.goffi.gcp"
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const_DBUS_PATH = "/org/goffi/gcp"
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const_BUFF_SIZE = 4096
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const_PRESERVE = set(['mode','ownership','timestamps'])
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class DbusObject(dbus.service.Object):
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@ -126,7 +127,8 @@ class GCP():
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self.copy_list = []
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self.mounts = self.__getMountPoints()
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self.files_left = 0
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self.bytes_left = 0
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self.bytes_total = 0
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self.bytes_copied = 0
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def getFsType(self, path):
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fs=''
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@ -141,7 +143,7 @@ class GCP():
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#(check freedesktop mounting signals)
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ret = {}
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try:
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with open("/proc/mounts",'r') as mounts:
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with open("/proc/mounts",'rb') as mounts:
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for line in mounts.readlines():
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fs_spec, fs_file, fs_vfstype, fs_mntops, fs_freq, fs_passno = line.split(' ')
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ret[fs_file] = fs_vfstype
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@ -155,10 +157,9 @@ class GCP():
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@param options: options as return by optparse"""
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debug ("Adding to copy list: %s ==> %s (%s)", path, dest_path, self.getFsType(dest_path))
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try:
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self.bytes_left+=os.path.getsize(path)
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self.bytes_total+=os.path.getsize(path)
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self.files_left+=1
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self.copy_list.append((path, dest_path, options))
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print "total size:", float(self.bytes_left/1024/1024), "Mb (%i)" % self.files_left
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self.copy_list.insert(0,(path, dest_path, options))
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except OSError,e:
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error("Can't copy %(path)s: %(exception)s" % {'path':path, 'exception':e.strerror})
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@ -210,22 +211,25 @@ class GCP():
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"""Take the last file in the list, and launch the copy using glib io_watch event
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@return: True a file was added, False else"""
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if self.copy_list:
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source_path, dest_path, options = self.copy_list.pop()
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source_fd = open(source_path, 'r')
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filename = os.path.basename(source_path)
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source_file, dest_path, options = self.copy_list.pop()
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source_fd = open(source_file, 'rb')
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filename = os.path.basename(source_file)
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assert(filename)
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dest_file = os.path.join(dest_path,filename)
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if os.path.exists(dest_file):
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if os.path.exists(dest_file) and not options.force:
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warning ("File [%s] already exists, skipping it !" % dest_file)
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return True
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dest_fd = open(dest_file, 'w')
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dest_fd = open(dest_file, 'wb')
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self.total=0
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gobject.io_add_watch(source_fd,gobject.IO_IN,self._copyFile,(dest_fd,options), priority=gobject.PRIORITY_HIGH)
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print "** COPYING",source_path,"==>",dest_file
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gobject.io_add_watch(source_fd,gobject.IO_IN,self._copyFile,
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(dest_fd, options), priority=gobject.PRIORITY_HIGH)
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if not self.progress:
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info("COPYING %(source)s ==> %(dest)s" % {"source":source_path,"dest":dest_file})
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return True
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else:
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#Nothing left to copy, we quit
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if self.progress:
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self.__pbar_finish()
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self.loop.quit()
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def _copyFile(self, source_fd, condition, data):
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@ -236,16 +240,52 @@ class GCP():
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dest_fd,options = data
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buff = source_fd.read(self.buffer_size)
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dest_fd.write(buff)
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self.total += len(buff)
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sys.stdout.write('%i written\r' % self.total)
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self.bytes_copied += len(buff)
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if self.progress:
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self.__pbar_update()
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if len(buff) != self.buffer_size:
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sys.stdout.write('\n---\n')
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source_fd.close()
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dest_fd.close()
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self.__post_copy(source_fd.name, dest_fd.name, options)
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self.files_left -= 1
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assert (self.files_left >= 0)
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return False
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return True
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def __post_copy(self, source_file, dest_file, options):
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"""Do post copy traitement (mainly managing --preserve option)"""
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st_mode, st_ino, st_dev, st_nlink, st_uid, st_gid, st_size, st_atime, st_mtime, st_ctime = os.stat(source_file)
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#TODO: complete log in case of errors
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for preserve in options.preserve:
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try:
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if preserve == 'mode':
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os.chmod(dest_file, st_mode)
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elif preserve == 'ownership':
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os.chown(dest_file, st_uid, st_gid)
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elif preserve == 'timestamps':
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os.utime(dest_file, (st_atime, st_mtime))
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except OSError,e:
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pass #TODO: complete log here
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def __pbar_update(self):
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"""Update progress bar position, create the bar if it doesn't exist"""
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assert(self.progress)
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try:
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if self.pbar.maxval != self.bytes_total:
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self.pbar.maxval = self.bytes_total
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except AttributeError:
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self.pbar = ProgressBar(self.bytes_total,["Progress: ",Percentage()," ",Bar()," ",FileTransferSpeed()," ",ETA()])
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self.pbar.start()
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self.pbar.update(self.bytes_copied)
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def __pbar_finish(self):
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"""Mark the progression as finished"""
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assert(self.progress)
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try:
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self.pbar.finish()
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except AttributeError:
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pass
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def parseArguments(self, full_args=sys.argv[1:], source_path = os.getcwd()):
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"""Parse arguments and add files to queue
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@ -268,17 +308,42 @@ class GCP():
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parser.add_option("-r", "--recursive", action="store_true", default=False,
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help="copy directories recursively")
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parser.add_option("-f", "--force", action="store_true", default=False,
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help="force overwriting of existing files")
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parser.add_option("--preserve", action="store", default='mode,ownership,timestamps',
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help="preserve the specified attributes")
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parser.add_option("--no-unicode-fix", action="store_true", default=False,
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help="don't fixe name encoding errors") #TODO
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parser.add_option("--no-progress", action="store_false", dest="progress", default=True,
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help="deactivate progress bar")
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parser.add_option("-v", "--verbose", action="store_true", default=False,
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help="Show what is currently done")
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(options, args) = parser.parse_args(full_args)
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#options check
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if options.progress and not pbar_available:
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warning ("Progress bar is not available, deactivating")
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options.progress = False
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options.progress = self.progress = False
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else:
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self.progress = options.progress
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if options.verbose:
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logging.getLogger().setLevel(logging.DEBUG)
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preserve = set(options.preserve.split(','))
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if not preserve.issubset(const_PRESERVE):
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error ('Invalide --preserve value\nvalid values are:')
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for value in const_PRESERVE:
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error('- %s' % value)
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exit(2)
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else:
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options.preserve = preserve
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#if there is an other instance of gcp, we send options to it
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if not self._main_instance:
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info ("There is already one instance of %s running, pluging to it" % NAME_SHORT)
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#XXX: we have to serialize data as dbus only accept valid unicode, and filenames
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