backup: code style, no functional change (part 2)
Remove unused variables, rename potentially coliding one.
This commit is contained in:
Marek Marczykowski-Górecki
parent
9ec0580840
commit
13f0f64d0a
@ -88,9 +88,9 @@ def file_to_backup(file_path, subdir=None):
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abs_file_path = os.path.abspath(file_path)
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abs_base_dir = os.path.abspath(system_path["qubes_base_dir"]) + '/'
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abs_file_dir = os.path.dirname(abs_file_path) + '/'
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(nothing, dir, subdir) = abs_file_dir.partition(abs_base_dir)
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(nothing, directory, subdir) = abs_file_dir.partition(abs_base_dir)
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assert nothing == ""
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assert dir == abs_base_dir
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assert directory == abs_base_dir
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else:
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if len(subdir) > 0 and not subdir.endswith('/'):
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subdir += '/'
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@ -149,8 +149,6 @@ def backup_prepare(vms_list=None, exclude_list=None,
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if exclude_list:
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vms_for_backup = [vm for vm in vms_list if vm.name not in exclude_list]
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no_vms = len(vms_for_backup)
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there_are_running_vms = False
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fields_to_display = [
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@ -462,6 +460,7 @@ def backup_do(base_backup_dir, files_to_backup, passphrase,
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running_backup_operation = BackupOperationInfo()
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vmproc = None
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tar_sparse = None
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if appvm is not None:
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# Prepare the backup target (Qubes service call)
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backup_target = "QUBESRPC qubes.Backup dom0"
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@ -521,12 +520,12 @@ def backup_do(base_backup_dir, files_to_backup, passphrase,
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compression_filter=compression_filter)
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# Setup worker to send encrypted data chunks to the backup_target
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def compute_progress(new_size, total_backup_sz):
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def compute_progress(new_size, total_backup_size):
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global blocks_backedup
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blocks_backedup += new_size
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if callable(progress_callback):
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progress = blocks_backedup / float(total_backup_sz)
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progress_callback(int(round(progress*100,2)))
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this_progress = blocks_backedup / float(total_backup_size)
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progress_callback(int(round(this_progress * 100, 2)))
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to_send = Queue(10)
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send_proc = SendWorker(to_send, backup_tmpdir, backup_stdout)
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@ -697,7 +696,8 @@ def backup_do(base_backup_dir, files_to_backup, passphrase,
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if vmproc:
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if BACKUP_DEBUG:
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print "VMProc1 proc return code:", vmproc.poll()
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print "Sparse1 proc return code:", tar_sparse.poll()
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if tar_sparse is not None:
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print "Sparse1 proc return code:", tar_sparse.poll()
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vmproc.stdin.close()
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# Save date of last backup
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@ -733,7 +733,7 @@ def backup_do(base_backup_dir, files_to_backup, passphrase,
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def wait_backup_feedback(progress_callback, in_stream, streamproc,
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backup_target, total_backup_sz, hmac=None, vmproc=None,
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addproc=None,
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remove_trailing_bytes=0, size_limit=None):
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size_limit=None):
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buffer_size = 409600
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run_error = None
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@ -743,9 +743,9 @@ def wait_backup_feedback(progress_callback, in_stream, streamproc,
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if size_limit and bytes_copied + buffer_size > size_limit:
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return "size_limit"
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buffer = in_stream.read(buffer_size)
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progress_callback(len(buffer), total_backup_sz)
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bytes_copied += len(buffer)
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buf = in_stream.read(buffer_size)
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progress_callback(len(buf), total_backup_sz)
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bytes_copied += len(buf)
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run_count = 0
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if hmac:
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@ -781,16 +781,16 @@ def wait_backup_feedback(progress_callback, in_stream, streamproc,
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if retcode != 0:
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run_error = "streamproc"
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break
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elif retcode == 0 and len(buffer) <= 0:
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elif retcode == 0 and len(buf) <= 0:
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return ""
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run_count += 1
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else:
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if len(buffer) <= 0:
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if len(buf) <= 0:
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return ""
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try:
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backup_target.write(buffer)
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backup_target.write(buf)
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except IOError as e:
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if e.errno == errno.EPIPE:
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run_error = "target"
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@ -798,7 +798,7 @@ def wait_backup_feedback(progress_callback, in_stream, streamproc,
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raise
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if hmac:
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hmac.stdin.write(buffer)
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hmac.stdin.write(buf)
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return run_error
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@ -873,7 +873,7 @@ class ExtractWorker2(Process):
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self.stderr_encoding = sys.stderr.encoding or 'utf-8'
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def compute_progress(self, new_size, total_size):
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def compute_progress(self, new_size, _):
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if self.progress_callback:
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self.blocks_backedup += new_size
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progress = self.blocks_backedup / float(self.total_size)
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@ -1583,7 +1583,6 @@ def backup_restore_header(source, passphrase,
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hmac_algorithm=DEFAULT_HMAC_ALGORITHM,
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crypto_algorithm=DEFAULT_CRYPTO_ALGORITHM):
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global running_backup_operation
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vmproc = None
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running_backup_operation = None
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restore_tmpdir = tempfile.mkdtemp(prefix="/var/tmp/restore_")
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@ -1703,20 +1702,20 @@ def backup_restore_prepare(backup_location, passphrase, options=None,
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compression_filter = DEFAULT_COMPRESSION_FILTER
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# Private functions begin
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def is_vm_included_in_backup_v1(backup_dir, vm):
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if vm.qid == 0:
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def is_vm_included_in_backup_v1(backup_dir, check_vm):
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if check_vm.qid == 0:
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return os.path.exists(os.path.join(backup_dir, 'dom0-home'))
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backup_vm_dir_path = vm.dir_path.replace(system_path["qubes_base_dir"],
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backup_dir)
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backup_vm_dir_path = check_vm.dir_path.replace(
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system_path["qubes_base_dir"], backup_dir)
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if os.path.exists(backup_vm_dir_path):
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return True
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else:
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return False
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def is_vm_included_in_backup_v2(backup_dir, vm):
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if vm.backup_content:
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def is_vm_included_in_backup_v2(_, check_vm):
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if check_vm.backup_content:
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return True
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else:
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return False
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@ -1905,7 +1904,6 @@ def backup_restore_print_summary(restore_info, print_callback=print_stdout):
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fields[f]["max_width"] = len(f)
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for vm_info in restore_info.values():
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if 'vm' in vm_info.keys():
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vm = vm_info['vm']
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l = len(unicode(eval(fields[f]["func"])))
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if l > fields[f]["max_width"]:
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fields[f]["max_width"] = l
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@ -1936,7 +1934,6 @@ def backup_restore_print_summary(restore_info, print_callback=print_stdout):
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# Skip non-VM here
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if 'vm' not in vm_info:
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continue
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vm = vm_info['vm']
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s = ""
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for f in fields_to_display:
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fmt = "{{0:>{0}}} |".format(fields[f]["max_width"] + 1)
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@ -1986,8 +1983,8 @@ def backup_restore_do(restore_info,
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backup_dir)
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# We prefer to use Linux's cp, because it nicely handles sparse files
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retcode = subprocess.call(["cp", "-rp", backup_src_dir, dst_dir])
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if retcode != 0:
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cp_retcode = subprocess.call(["cp", "-rp", backup_src_dir, dst_dir])
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if cp_retcode != 0:
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raise QubesException(
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"*** Error while copying file {0} to {1}".format(backup_src_dir,
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dst_dir))
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@ -2057,7 +2054,7 @@ def backup_restore_do(restore_info,
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compressed=compressed,
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compression_filter=compression_filter,
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appvm=appvm)
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except QubesException as e:
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except QubesException:
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if verify_only:
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raise
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else:
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@ -2203,7 +2200,7 @@ def backup_restore_do(restore_info,
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os.rename(home_file,
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home_dir + '/' + restore_home_backupdir + '/' + f)
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if format_version == 1:
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retcode = subprocess.call(
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subprocess.call(
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["cp", "-nrp", backup_dom0_home_dir + '/' + f, home_file])
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elif format_version >= 2:
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shutil.move(backup_dom0_home_dir + '/' + f, home_file)
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