Journalisation + some additionnal try/except
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parent
d575768069
commit
4b836480a0
87
gcp
87
gcp
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@ -72,6 +72,7 @@ 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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const_JOURNAL_PATH = "~/.gcp_journal"
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class DbusObject(dbus.service.Object):
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@ -102,6 +103,40 @@ class DbusObject(dbus.service.Object):
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return (False, _("INTERNAL ERROR: invalid arguments"))
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return self._gcp.parseArguments(args, source_path)
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class Journal():
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def __init__(self, path=const_JOURNAL_PATH):
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self.journal_path = os.path.expanduser(path)
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self.journal_fd = open(self.journal_path,'w') #TODO: check and maybe save previous journals
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def __del__(self):
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self.journal_fd.flush()
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self.journal_fd.close()
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def startFile(self, source_path):
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"""Start an entry in the journal"""
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self.journal_fd.write(source_path+"\n")
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self.journal_fd.flush()
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self.success=True
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self.errors=[]
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def closeFile(self):
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"""Close the entry in the journal"""
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if not self.success:
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status = "FAILED"
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else:
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status = "OK" if not self.errors else "PARTIAL"
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self.journal_fd.write("%(status)s: %(errors)s\n" % {'status': status, 'errors': ', '.join(self.errors)})
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self.journal_fd.flush()
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def copyFailed(self):
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"""Must be called when something is wrong with the copy itself"""
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self.success = False
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def error(self, name):
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"""Something went wrong"""
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self.errors.append(name)
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class GCP():
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def __init__(self):
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@ -219,6 +254,7 @@ class GCP():
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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_file, dest_path, options = self.copy_list.pop()
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self.journal.startFile(source_file)
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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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@ -226,7 +262,14 @@ class GCP():
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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, 'wb')
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try:
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dest_fd = open(dest_file, 'wb')
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except:
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self.journal.copyFailed()
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self.journal.error("can't open dest")
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self.journal.closeFile()
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source_fd.close()
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return True
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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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@ -239,14 +282,35 @@ class GCP():
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self.__pbar_finish()
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self.loop.quit()
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def __copyFailed(self, reason, source_fd, dest_fd):
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"""Write the failure in the journal and close files descriptors"""
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self.journal.copyFailed()
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self.journal.error(reason)
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self.journal.closeFile()
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source_fd.close()
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dest_fd.close()
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def _copyFile(self, source_fd, condition, data):
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"""Actually copy the file, callback used with io_add_watch
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@param source_fd: file descriptor of the file to copy
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@param condition: condition which launched the callback (glib.IO_IN)
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@param data: tuple with (destination file descriptor, copying options)"""
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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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try:
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buff = source_fd.read(self.buffer_size)
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except:
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self.__copyFailed("can't read source", source_fd, dest_fd)
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return False
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try:
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dest_fd.write(buff)
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except:
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self.__copyFailed("can't write to dest", source_fd, dest_fd)
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return False
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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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@ -255,12 +319,19 @@ class GCP():
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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.journal.closeFile()
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return False
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return True
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def __filename_fix(self, filename, options):
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"""Fix filenames incompatibilities/mistake according to options
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@param filename: full path to the file
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@param options: options as parsed on command line
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@return: fixed filename"""
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fixed_filename = filename
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if self.getFsType(filename) == 'vfat' and options.fs_fix:
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filename = filename.replace('\\','_')\
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fixed_filename = filename.replace('\\','_')\
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.replace(':',';')\
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.replace('*','+')\
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.replace('?','')\
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@ -268,7 +339,10 @@ class GCP():
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.replace('<','[')\
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.replace('>',']')\
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.replace('|','!')
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return filename
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if fixed_filename != filename:
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self.journal.error('filename fixed')
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return fixed_filename
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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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@ -283,7 +357,7 @@ class GCP():
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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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self.journal.error("preserve-"+preserve)
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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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@ -378,6 +452,7 @@ class GCP():
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return (False, _error_msg)
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debug(_("adding args to gcp: %s"),args)
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self.__checkArgs(options, source_path, args)
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self.journal = Journal()
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gobject.idle_add(self.__copyNextFile)
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return (True,'')
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