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How to use get_fs_block_size method in lisa

Best Python code snippet using lisa_python

rdbtool.py

Source:rdbtool.py

...318    elif not empty:319      return True320    else:321      return None322  def get_fs_block_size(self, empty=False):323    if 'bs' in self.popts:324      return int(self.popts['bs'])325    elif not empty:326      return 512327    else:328      return None329  def get_flags(self, empty=False, old_flags=0):330    flags = 0331    bootable = self.get_bootable(empty=empty)332    if bootable is not None:333      if bootable:334        flags |= PartitionBlock.FLAG_BOOTABLE335    else:336      flags |= (old_flags) & PartitionBlock.FLAG_BOOTABLE337    automount = self.get_automount(empty=empty)338    if automount is not None:339      if not automount:340        flags |= PartitionBlock.FLAG_NO_AUTOMOUNT341    else:342      flags |= (old_flags) & PartitionBlock.FLAG_NO_AUTOMOUNT343    return flags344  def get_more_dos_env(self):345    more_dos_env = []346    valid_keys = PartitionDosEnv.valid_keys347    for key in self.popts:348      if key in valid_keys:349        more_dos_env.append((key, self.popts[key]))350    if len(more_dos_env) > 0:351      return more_dos_env352    else:353      return None354  def get_more_dos_env_info(self):355    valid_keys = PartitionDosEnv.valid_keys356    info = ["[%s=<n>]" % x for x in valid_keys]357    return " ".join(info)358  def get_cyl_range(self):359    start = None360    if 'start' in self.popts:361      start = int(self.popts['start'])362    # range with start=<n> end=<n>363    if 'end' in self.popts:364      end = int(self.popts['end'])365      if start == None or end <= start:366        return None367      else:368        return (start, end)369    # expect a size370    elif 'size' in self.popts:371      size = self.popts['size']372      cyls = None373      if type(size) == int:374        cyls = size375      # size in bytes376      elif size[-1] in ('b','B'):377        num_bytes = ByteSize.parse_byte_size_str(size[:-1])378        if num_bytes == None:379          return None380        cyls = num_bytes // self.rdisk.get_cylinder_bytes()381      # size in percent382      elif size[-1] == '%':383        prc = float(size[:-1])384        cyls = int(prc * self.rdisk.get_logical_cylinders() / 100.0)385      # size in cylinders386      else:387        cyls = ByteSize.parse_byte_size_str(size)388      # check cyls389      if cyls == None or cyls < 1:390        return None391      # find a range if no start is given392      if start == None:393        start = self.rdisk.find_free_cyl_range_start(cyls)394        if start == None:395          return None396      return (start, start + cyls - 1)397    # nothing specified -> get next free range398    else:399      ranges = self.rdisk.get_free_cyl_ranges()400      if ranges == None:401        return None402      return ranges[0]403class AddCommand(PartEditCommand):404  def handle_rdisk(self, rdisk):405    self.parse_opts(rdisk)406    lo_hi = self.get_cyl_range()407    if lo_hi == None:408      print("ERROR: invalid partition range given!")409      return 1410    dostype = self.get_dos_type()411    if dostype == None:412      print("ERROR: invalid dos type!")413      return 1414    drv_name = self.get_drv_name()415    if drv_name == None:416      print("ERROR: invalid drive name!")417    flags = self.get_flags()418    boot_pri = self.get_boot_pri()419    more_dos_env = self.get_more_dos_env()420    fs_bs = self.get_fs_block_size(empty=True)421    print("creating: '%s' %s %s" % (drv_name, lo_hi, num_to_tag_str(dostype)))422    # add partition423    if rdisk.add_partition(drv_name, lo_hi, dos_type=dostype, flags=flags,424                           boot_pri=boot_pri, more_dos_env=more_dos_env,425                           fs_block_size=fs_bs):426      return 0427    else:428      print("ERROR: creating partition: '%s': %s" % (drv_name, lo_hi))429      return 1430class ChangeCommand(PartEditCommand):431  def handle_rdisk(self, rdisk):432    if len(self.opts) < 1:433      print("Usage: change <id> [name=<s>] [dostype=<n|tag>] [automount=<b>] [bootable=<b>] [pri=<n>] " + self.get_more_dos_env_info())434      return 1435    else:436      p = rdisk.find_partition_by_string(self.opts[0])437      if p != None:438        self.parse_opts(rdisk)439        dostype = self.get_dos_type(empty=True)440        drv_name = self.get_drv_name(empty=True)441        flags = self.get_flags(empty=True, old_flags=p.get_flags())442        boot_pri = self.get_boot_pri(empty=True)443        fs_bs = self.get_fs_block_size(empty=True)444        more_dos_env = self.get_more_dos_env()445        # change partition446        if rdisk.change_partition(p.num, drv_name=drv_name, dos_type=dostype,447                                  flags=flags, boot_pri=boot_pri,448                                  more_dos_env=more_dos_env,449                                  fs_block_size=fs_bs):450          return 0451        else:452          print("ERROR: changing partition: '%s'" % (drv_name))453          return 1454      else:455        print("Can't find partition: '%s'" % self.opts[0])456        return 1457# --- Export/Import file system image ---458class ExportCommand(Command):459  def handle_rdisk(self, rdisk):460    if len(self.opts) < 2:461      print("Usage: export <partition> <file>")462      return 1463    else:464      part = self.opts[0]465      file_name = self.opts[1]466      p = rdisk.find_partition_by_string(part)467      if p != None:468        blkdev = p.create_blkdev()469        blkdev.open()470        num_blks = blkdev.num_blocks471        print("exporting '%s' (%d blocks) to '%s'" % \472            (p.get_drive_name(), num_blks, file_name))473        try:474          with open(file_name, "wb") as fh:475            for b in range(num_blks):476              data = blkdev.read_block(b)477              fh.write(data)478        except IOError as e:479          print("Error writing file: '%s': %s" % (file_name, e))480          return 1481        blkdev.close()482        return 0483      else:484        print("Can't find partition: '%s'" % part)485        return 1486class ImportCommand(Command):487  def handle_rdisk(self, rdisk):488    if len(self.opts) < 2:489      print("Usage: import <partition> <file>")490      return 1491    else:492      part = self.opts[0]493      file_name = self.opts[1]494      p = rdisk.find_partition_by_string(part)495      if p != None:496        part_dev = p.create_blkdev()497        part_dev.open()498        part_blks = part_dev.num_blocks499        blk_size = part_dev.block_bytes500        total = part_blks * blk_size501        # open image502        file_size = os.path.getsize(file_name)503        file_blks = file_size // blk_size504        if file_size % blk_size != 0:505          print("image file not block size aligned!")506          return 1507        # check sizes508        if total < file_size:509          print("import image too large: partition=%d != file=%d",510                total, file_size)511          return 1512        if total > file_size:513          delta = total - file_size514          print("WARNING: import file too small: %d unused blocks", delta)515        print("importing '%s' (%d blocks) to '%s' (%d blocks)" % \516            (file_name, file_blks, p.get_drive_name(), part_blks))517        # copy image518        with open(file_name, "rb") as fh:519          for b in range(file_blks):520            data = fh.read(blk_size)521            part_dev.write_block(b, data)522        part_dev.close()523        return 0524      else:525        print("Can't find partition: '%s'" % part)526        return 1527# --- Fill empty space with partitions ---528class FillCommand(PartEditCommand):529  def handle_rdisk(self, rdisk):530    self.parse_opts(rdisk)531    ranges = rdisk.get_free_cyl_ranges()532    # nothing to do533    if ranges == None:534      return 0535    for lo_hi in ranges:536      drv_name = self.get_drv_name()537      if drv_name == None:538        print("ERROR: invalid drive name!")539      dostype = self.get_dos_type()540      if dostype == None:541        print("ERROR: invalid dostype given!")542        return 1543      flags = self.get_flags()544      boot_pri = self.get_boot_pri()545      more_dos_env = self.get_more_dos_env()546      fs_bs = self.get_fs_block_size(empty=True)547      print("creating: '%s' %s %s" % (drv_name, lo_hi, num_to_tag_str(dostype)))548      # add partition549      if not rdisk.add_partition(drv_name, lo_hi, dos_type=dostype, flags=flags,550                                 boot_pri=boot_pri, more_dos_env=more_dos_env,551                                 fs_block_size=fs_bs):552        print("ERROR: creating partition: '%s': %s" % (drv_name, lo_hi))553        return 1554    return 0555# --- Delete partition command ---556class DeleteCommand(Command):557  def __init__(self, args, opts):558    Command.__init__(self, args, opts, edit=True)559  def handle_rdisk(self, rdisk):560    if len(self.opts) < 1:...

stat.py

Source:stat.py

...14        posix_os: Posix = cast(Posix, self.node.os)15        package_name = "coreutils"16        posix_os.install_packages(package_name)17        return self._check_exists()18    def get_fs_block_size(self, file: str) -> int:19        cmd_result = self.run(20            "-f --format='%S' " f"{file}",21            force_run=True,22            expected_exit_code=0,23            expected_exit_code_failure_message=(24                f"fail to get block size of {file} in file system"25            ),26        )27        return int(cmd_result.stdout)28    def get_fs_available_size(self, file: str) -> int:29        cmd_result = self.run(30            "-f --format='%a' " f"{file}",31            force_run=True,32            expected_exit_code=0,...

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