512 lines
27 KiB
Python
512 lines
27 KiB
Python
import subprocess
|
||
import logging
|
||
import re
|
||
import os
|
||
from PySide6.QtWidgets import QMessageBox, QInputDialog
|
||
from system_info import SystemInfoManager
|
||
|
||
logger = logging.getLogger(__name__)
|
||
|
||
class DiskOperations:
|
||
def __init__(self, system_manager: SystemInfoManager): # NEW: 接收 system_manager 实例
|
||
self.system_manager = system_manager
|
||
|
||
def _execute_shell_command(self, command_list, error_message, root_privilege=True,
|
||
suppress_critical_dialog_on_stderr_match=None, input_data=None):
|
||
"""
|
||
通用地运行一个 shell 命令，并处理错误。
|
||
:param command_list: 命令及其参数的列表。
|
||
:param error_message: 命令失败时显示给用户的错误消息。
|
||
:param root_privilege: 如果为 True，则使用 sudo 执行命令。
|
||
:param suppress_critical_dialog_on_stderr_match: 如果 stderr 包含此字符串，则不显示关键错误对话框。
|
||
可以是字符串或字符串元组。
|
||
:param input_data: 传递给命令stdin的数据 (str)。
|
||
:return: (True/False, stdout_str, stderr_str)
|
||
"""
|
||
if not all(isinstance(arg, str) for arg in command_list):
|
||
logger.error(f"命令列表包含非字符串元素: {command_list}")
|
||
QMessageBox.critical(None, "错误", f"内部错误：尝试执行的命令包含无效参数。\n命令详情: {command_list}")
|
||
return False, "", "内部错误：命令参数类型不正确。"
|
||
|
||
if root_privilege:
|
||
command_list = ["sudo"] + command_list
|
||
|
||
full_cmd_str = ' '.join(command_list)
|
||
logger.debug(f"执行命令: {full_cmd_str}")
|
||
|
||
try:
|
||
result = subprocess.run(
|
||
command_list,
|
||
capture_output=True,
|
||
text=True,
|
||
check=True,
|
||
encoding='utf-8',
|
||
input=input_data
|
||
)
|
||
logger.info(f"命令成功: {full_cmd_str}")
|
||
return True, result.stdout.strip(), result.stderr.strip()
|
||
except subprocess.CalledProcessError as e:
|
||
stderr_output = e.stderr.strip()
|
||
logger.error(f"命令失败: {full_cmd_str}")
|
||
logger.error(f"退出码: {e.returncode}")
|
||
logger.error(f"标准输出: {e.stdout.strip()}")
|
||
logger.error(f"标准错误: {stderr_output}")
|
||
|
||
# Determine if the error dialog should be suppressed by this function
|
||
should_suppress_dialog_here = False
|
||
if suppress_critical_dialog_on_stderr_match:
|
||
if isinstance(suppress_critical_dialog_on_stderr_match, str):
|
||
if suppress_critical_dialog_on_stderr_match in stderr_output:
|
||
should_suppress_dialog_here = True
|
||
elif isinstance(suppress_critical_dialog_on_stderr_match, tuple):
|
||
if any(s in stderr_output for s in suppress_critical_dialog_on_stderr_match):
|
||
should_suppress_dialog_here = True
|
||
|
||
if should_suppress_dialog_here:
|
||
logger.info(f"错误信息 '{stderr_output}' 匹配抑制条件，不显示关键错误对话框。")
|
||
else:
|
||
QMessageBox.critical(None, "错误", f"{error_message}\n错误详情: {stderr_output}")
|
||
return False, e.stdout.strip(), stderr_output
|
||
except FileNotFoundError:
|
||
QMessageBox.critical(None, "错误", f"命令 '{command_list[0]}' 未找到。请确保已安装相关工具。")
|
||
logger.error(f"命令 '{command_list[0]}' 未找到。")
|
||
return False, "", f"命令 '{command_list[0]}' 未找到。"
|
||
except Exception as e:
|
||
QMessageBox.critical(None, "错误", f"执行命令时发生未知错误: {e}")
|
||
logger.error(f"执行命令 {full_cmd_str} 时发生未知错误: {e}")
|
||
return False, "", str(e)
|
||
|
||
def _add_to_fstab(self, device_path, mount_point, fstype, uuid):
|
||
"""
|
||
将设备的挂载信息添加到 /etc/fstab。
|
||
使用 UUID 识别设备以提高稳定性。
|
||
"""
|
||
if not uuid or not mount_point or not fstype:
|
||
logger.error(f"无法将设备 {device_path} 添加到 fstab：缺少 UUID/挂载点/文件系统类型。")
|
||
QMessageBox.warning(None, "警告", f"无法将设备 {device_path} 添加到 fstab：缺少 UUID/挂载点/文件系统类型。")
|
||
return False
|
||
|
||
fstab_entry = f"UUID={uuid} {mount_point} {fstype} defaults 0 2"
|
||
fstab_path = "/etc/fstab"
|
||
|
||
try:
|
||
# 检查 fstab 中是否已存在相同 UUID 的条目
|
||
# 使用 _execute_shell_command 来读取 fstab，尽管通常不需要 sudo
|
||
# 这里为了简化，直接读取文件，但写入时使用 _execute_shell_command
|
||
with open(fstab_path, 'r') as f:
|
||
fstab_content = f.readlines()
|
||
|
||
for line in fstab_content:
|
||
if f"UUID={uuid}" in line:
|
||
logger.warning(f"设备 {device_path} (UUID={uuid}) 已存在于 fstab 中。跳过添加。")
|
||
QMessageBox.information(None, "信息", f"设备 {device_path} (UUID={uuid}) 已存在于 fstab 中。")
|
||
return True # 认为成功，因为目标已达成
|
||
|
||
# 如果不存在，则追加到 fstab
|
||
# 使用 _execute_shell_command for sudo write
|
||
success, _, stderr = self._execute_shell_command(
|
||
["sh", "-c", f"echo '{fstab_entry}' >> {fstab_path}"],
|
||
f"将 {device_path} 添加到 {fstab_path} 失败",
|
||
root_privilege=True
|
||
)
|
||
if success:
|
||
logger.info(f"已将 {fstab_entry} 添加到 {fstab_path}。")
|
||
QMessageBox.information(None, "成功", f"设备 {device_path} 已成功添加到 /etc/fstab。")
|
||
return True
|
||
else:
|
||
return False # Error handled by _execute_shell_command
|
||
except Exception as e:
|
||
logger.error(f"处理 {fstab_path} 失败: {e}")
|
||
QMessageBox.critical(None, "错误", f"处理 {fstab_path} 失败: {e}")
|
||
return False
|
||
|
||
def _remove_fstab_entry(self, device_path):
|
||
"""
|
||
从 /etc/fstab 中移除指定设备的条目。
|
||
此方法需要 SystemInfoManager 来获取设备的 UUID。
|
||
"""
|
||
# NEW: 使用 system_manager 获取 UUID，它会处理路径解析
|
||
device_details = self.system_manager.get_device_details_by_path(device_path)
|
||
if not device_details or not device_details.get('uuid'):
|
||
logger.warning(f"无法获取设备 {device_path} 的 UUID，无法从 fstab 中移除。")
|
||
return False
|
||
uuid = device_details.get('uuid')
|
||
|
||
fstab_path = "/etc/fstab"
|
||
# Use sed for robust removal with sudo
|
||
# suppress_critical_dialog_on_stderr_match is added to handle cases where fstab might not exist
|
||
# or sed reports no changes, which is not a critical error for removal.
|
||
command = ["sed", "-i", f"/UUID={uuid}/d", fstab_path]
|
||
success, _, stderr = self._execute_shell_command(
|
||
command,
|
||
f"从 {fstab_path} 中删除 UUID={uuid} 的条目失败",
|
||
root_privilege=True,
|
||
suppress_critical_dialog_on_stderr_match=(
|
||
f"sed: {fstab_path}: No such file or directory", # English
|
||
f"sed: {fstab_path}: 没有那个文件或目录", # Chinese
|
||
"no changes were made" # if sed finds nothing to delete
|
||
)
|
||
)
|
||
if success:
|
||
logger.info(f"已从 {fstab_path} 中删除 UUID={uuid} 的条目。")
|
||
return True
|
||
else:
|
||
# If sed failed, it might be because the entry wasn't found, which is fine.
|
||
# _execute_shell_command would have suppressed the dialog if it matched the suppress_critical_dialog_on_stderr_match.
|
||
# So, if we reach here, it's either a real error (dialog shown by _execute_shell_command)
|
||
# or a suppressed "no changes" type of error. In both cases, if no real error, we return True.
|
||
if any(s in stderr for s in (
|
||
f"sed: {fstab_path}: No such file or directory",
|
||
f"sed: {fstab_path}: 没有那个文件或目录",
|
||
"no changes were made",
|
||
"No such file or directory" # more general check
|
||
)):
|
||
logger.info(f"fstab 中未找到 UUID={uuid} 的条目，无需删除。")
|
||
return True # Consider it a success if the entry is not there
|
||
return False # Other errors are already handled by _execute_shell_command
|
||
|
||
def mount_partition(self, device_path, mount_point, add_to_fstab=False):
|
||
"""
|
||
挂载指定设备到指定挂载点。
|
||
:param device_path: 要挂载的设备路径。
|
||
:param mount_point: 挂载点。
|
||
:param add_to_fstab: 是否添加到 /etc/fstab。
|
||
:return: True 如果成功，否则 False。
|
||
"""
|
||
if not os.path.exists(mount_point):
|
||
try:
|
||
os.makedirs(mount_point)
|
||
logger.info(f"创建挂载点目录: {mount_point}")
|
||
except OSError as e:
|
||
QMessageBox.critical(None, "错误", f"创建挂载点目录 {mount_point} 失败: {e}")
|
||
logger.error(f"创建挂载点目录 {mount_point} 失败: {e}")
|
||
return False
|
||
|
||
logger.info(f"尝试挂载设备 {device_path} 到 {mount_point}。")
|
||
success, _, stderr = self._execute_shell_command(
|
||
["mount", device_path, mount_point],
|
||
f"挂载设备 {device_path} 失败"
|
||
)
|
||
if success:
|
||
QMessageBox.information(None, "成功", f"设备 {device_path} 已成功挂载到 {mount_point}。")
|
||
if add_to_fstab:
|
||
# NEW: 使用 self.system_manager 获取 fstype 和 UUID
|
||
device_details = self.system_manager.get_device_details_by_path(device_path)
|
||
if device_details:
|
||
fstype = device_details.get('fstype')
|
||
uuid = device_details.get('uuid')
|
||
if fstype and uuid:
|
||
self._add_to_fstab(device_path, mount_point, fstype, uuid)
|
||
else:
|
||
logger.error(f"无法获取设备 {device_path} 的文件系统类型或 UUID 以添加到 fstab。")
|
||
QMessageBox.warning(None, "警告", f"设备 {device_path} 已挂载，但无法获取文件系统类型或 UUID 以添加到 fstab。")
|
||
else:
|
||
logger.error(f"无法获取设备 {device_path} 的详细信息以添加到 fstab。")
|
||
QMessageBox.warning(None, "警告", f"设备 {device_path} 已挂载，但无法获取详细信息以添加到 fstab。")
|
||
return True
|
||
else:
|
||
return False
|
||
|
||
def unmount_partition(self, device_path, show_dialog_on_error=True):
|
||
"""
|
||
卸载指定设备。
|
||
:param device_path: 要卸载的设备路径。
|
||
:param show_dialog_on_error: 是否在发生错误时显示对话框。
|
||
:return: True 如果成功，否则 False。
|
||
"""
|
||
logger.info(f"尝试卸载设备 {device_path}。")
|
||
# 定义表示设备已未挂载的错误信息（中英文）
|
||
# 增加了 "未指定挂载点"
|
||
already_unmounted_errors = ("not mounted", "未挂载", "未指定挂载点")
|
||
|
||
# 调用 _execute_shell_command，并告诉它在遇到“已未挂载”错误时，不要弹出其自身的关键错误对话框。
|
||
success, _, stderr = self._execute_shell_command(
|
||
["umount", device_path],
|
||
f"卸载设备 {device_path} 失败",
|
||
suppress_critical_dialog_on_stderr_match=already_unmounted_errors
|
||
)
|
||
|
||
if success:
|
||
# 如果命令成功执行，则卸载成功。
|
||
QMessageBox.information(None, "成功", f"设备 {device_path} 已成功卸载。")
|
||
return True
|
||
else:
|
||
# 如果命令失败，检查是否是因为设备已经未挂载或挂载点未指定。
|
||
is_already_unmounted_error = any(s in stderr for s in already_unmounted_errors)
|
||
|
||
if is_already_unmounted_error:
|
||
logger.info(f"设备 {device_path} 已经处于未挂载状态（或挂载点未指定），无需重复卸载。")
|
||
# 这种情况下，操作结果符合预期（设备已是未挂载），不弹出对话框，并返回 True。
|
||
return True
|
||
else:
|
||
# 对于其他类型的卸载失败（例如设备忙、权限不足等），
|
||
# _execute_shell_command 应该已经弹出了关键错误对话框
|
||
# （因为它没有匹配到 `already_unmounted_errors` 进行抑制）。
|
||
# 所以，这里我们不需要再次弹出对话框，直接返回 False。
|
||
return False
|
||
|
||
def get_disk_free_space_info_mib(self, disk_path, total_disk_mib):
|
||
"""
|
||
获取磁盘上最大的空闲空间块的起始位置 (MiB) 和大小 (MiB)。
|
||
:param disk_path: 磁盘路径。
|
||
:param total_disk_mib: 磁盘的总大小 (MiB)，用于全新磁盘的计算。
|
||
:return: (start_mib, size_mib) 元组。如果磁盘是全新的，返回 (0.0, total_disk_mib)。
|
||
如果磁盘有分区表但没有空闲空间，返回 (None, None)。
|
||
"""
|
||
logger.debug(f"尝试获取磁盘 {disk_path} 的空闲空间信息 (MiB)。")
|
||
# suppress_critical_dialog_on_stderr_match is added to handle cases where parted might complain about
|
||
# an unrecognized disk label, which is expected for a fresh disk.
|
||
success, stdout, stderr = self._execute_shell_command(
|
||
["parted", "-s", disk_path, "unit", "MiB", "print", "free"],
|
||
f"获取磁盘 {disk_path} 分区信息失败",
|
||
root_privilege=True,
|
||
suppress_critical_dialog_on_stderr_match=("无法辨识的磁盘卷标", "unrecognized disk label")
|
||
)
|
||
|
||
if not success:
|
||
# If parted failed and it wasn't due to an unrecognized label (handled by suppress_critical_dialog_on_stderr_match),
|
||
# then _execute_shell_command would have shown a dialog.
|
||
# We just log and return None.
|
||
logger.error(f"获取磁盘 {disk_path} 空闲空间信息失败: {stderr}")
|
||
return None, None
|
||
|
||
logger.debug(f"parted print free 命令原始输出:\n{stdout}")
|
||
|
||
free_spaces = []
|
||
lines = stdout.splitlines()
|
||
# Regex to capture StartMiB and SizeMiB from a "Free Space" line
|
||
# It's made more flexible to match "Free Space", "空闲空间", and "可用空间"
|
||
# Example: " 0.02MiB 8192MiB 8192MiB 可用空间"
|
||
# We need to capture the first numeric value (Start) and the third numeric value (Size).
|
||
free_space_line_pattern = re.compile(r'^\s*(\d+\.?\d*)MiB\s+(\d+\.?\d*)MiB\s+(\d+\.?\d*)MiB\s+(?:Free Space|空闲空间|可用空间)')
|
||
|
||
for line in lines:
|
||
match = free_space_line_pattern.match(line)
|
||
if match:
|
||
try:
|
||
start_mib = float(match.group(1)) # Capture StartMiB
|
||
size_mib = float(match.group(3)) # Capture SizeMiB (the third numeric value)
|
||
free_spaces.append({'start_mib': start_mib, 'size_mib': size_mib})
|
||
except ValueError as ve:
|
||
logger.warning(f"解析 parted free space 行 '{line}' 失败: {ve}")
|
||
continue
|
||
|
||
if not free_spaces:
|
||
logger.warning(f"在磁盘 {disk_path} 上未找到空闲空间。")
|
||
return None, None
|
||
|
||
# 找到最大的空闲空间块
|
||
largest_free_space = max(free_spaces, key=lambda x: x['size_mib'])
|
||
start_mib = largest_free_space['start_mib']
|
||
size_mib = largest_free_space['size_mib']
|
||
|
||
logger.debug(f"磁盘 {disk_path} 的最大空闲空间块起始于 {start_mib:.2f} MiB，大小为 {size_mib:.2f} MiB。")
|
||
return start_mib, size_mib
|
||
|
||
def create_partition(self, disk_path, partition_table_type, size_gb, total_disk_mib, use_max_space):
|
||
"""
|
||
在指定磁盘上创建分区。
|
||
:param disk_path: 磁盘路径 (例如 /dev/sdb)。
|
||
:param partition_table_type: 分区表类型 ('gpt' 或 'msdos')。
|
||
:param size_gb: 分区大小 (GB)。
|
||
:param total_disk_mib: 磁盘总大小 (MiB)。
|
||
:param use_max_space: 是否使用最大可用空间。
|
||
:return: True 如果成功，否则 False。
|
||
"""
|
||
if not isinstance(disk_path, str) or not isinstance(partition_table_type, str):
|
||
logger.error(f"尝试创建分区时传入无效参数。磁盘路径: {disk_path}, 分区表类型: {partition_table_type}")
|
||
QMessageBox.critical(None, "错误", "无效的磁盘路径或分区表类型。")
|
||
return False
|
||
|
||
# 1. 检查磁盘是否有分区表
|
||
has_partition_table = False
|
||
# Use suppress_critical_dialog_on_stderr_match for "unrecognized disk label" when checking
|
||
success_check, stdout_check, stderr_check = self._execute_shell_command(
|
||
["parted", "-s", disk_path, "print"],
|
||
f"检查磁盘 {disk_path} 分区表失败",
|
||
suppress_critical_dialog_on_stderr_match=("无法辨识的磁盘卷标", "unrecognized disk label"),
|
||
root_privilege=True
|
||
)
|
||
# If success_check is False, it means _execute_shell_command encountered an error.
|
||
# If that error was "unrecognized disk label", it was suppressed, and we treat it as no partition table.
|
||
# If it was another error, a dialog was shown by _execute_shell_command, and we should stop.
|
||
if not success_check:
|
||
# Check if the failure was due to "unrecognized disk label" (which means no partition table)
|
||
if any(s in stderr_check for s in ("无法辨识的磁盘卷标", "unrecognized disk label")):
|
||
logger.info(f"磁盘 {disk_path} 没有可识别的分区表。")
|
||
has_partition_table = False # Explicitly set to False
|
||
else:
|
||
logger.error(f"检查磁盘 {disk_path} 分区表时发生非预期的错误: {stderr_check}")
|
||
return False # Other critical error, stop operation.
|
||
else: # success_check is True
|
||
if "Partition Table: unknown" not in stdout_check and "分区表：unknown" not in stdout_check:
|
||
has_partition_table = True
|
||
else:
|
||
logger.info(f"parted print 报告磁盘 {disk_path} 的分区表为 'unknown'。")
|
||
has_partition_table = False
|
||
|
||
|
||
actual_start_mib_for_parted = 0.0
|
||
|
||
# 2. 如果没有分区表，则创建分区表
|
||
if not has_partition_table:
|
||
reply = QMessageBox.question(None, "确认创建分区表",
|
||
f"磁盘 {disk_path} 没有分区表。您确定要创建 {partition_table_type} 分区表吗？"
|
||
f"此操作将擦除磁盘上的所有数据。",
|
||
QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
|
||
if reply == QMessageBox.No:
|
||
logger.info(f"用户取消了在 {disk_path} 上创建分区表的操作。")
|
||
return False
|
||
|
||
logger.info(f"尝试在 {disk_path} 上创建 {partition_table_type} 分区表。")
|
||
success, _, stderr = self._execute_shell_command(
|
||
["parted", "-s", disk_path, "mklabel", partition_table_type],
|
||
f"创建 {partition_table_type} 分区表失败"
|
||
)
|
||
if not success:
|
||
return False
|
||
# 对于新创建分区表的磁盘，第一个分区通常从 1MiB 开始以确保兼容性和对齐
|
||
actual_start_mib_for_parted = 1.0
|
||
else:
|
||
# 如果有分区表，获取下一个可用分区的起始位置
|
||
start_mib_from_parted, _ = self.get_disk_free_space_info_mib(disk_path, total_disk_mib)
|
||
if start_mib_from_parted is None:
|
||
QMessageBox.critical(None, "错误", f"无法确定磁盘 {disk_path} 的分区起始位置或没有空闲空间。")
|
||
return False
|
||
|
||
# 如果 parted 报告的起始位置非常接近 0 MiB (例如 0.0 MiB 或 0.02 MiB)，
|
||
# 为了安全和兼容性，也将其调整为 1.0 MiB。
|
||
# 否则，使用 parted 报告的精确起始位置。
|
||
if start_mib_from_parted < 1.0: # covers 0.0MiB and values like 0.017MiB (17.4kB)
|
||
actual_start_mib_for_parted = 1.0
|
||
else:
|
||
actual_start_mib_for_parted = start_mib_from_parted
|
||
|
||
# 3. 确定分区结束位置
|
||
if use_max_space:
|
||
end_pos = "100%"
|
||
size_for_log = "最大可用空间"
|
||
else:
|
||
# 计算结束 MiB
|
||
# 注意：这里计算的 end_mib 是基于用户请求的大小，
|
||
# parted 会根据实际可用空间和对齐进行微调。
|
||
end_mib = actual_start_mib_for_parted + size_gb * 1024
|
||
|
||
# 简单检查，如果请求的大小导致结束位置超出磁盘总大小，则使用最大可用
|
||
if end_mib > total_disk_mib:
|
||
QMessageBox.warning(None, "警告", f"请求的分区大小 ({size_gb}GB) 超出了可用空间。将调整为最大可用空间。")
|
||
end_pos = "100%"
|
||
size_for_log = "最大可用空间"
|
||
else:
|
||
end_pos = f"{end_mib}MiB"
|
||
size_for_log = f"{size_gb}GB"
|
||
|
||
# 4. 创建分区
|
||
create_cmd = ["parted", "-s", disk_path, "mkpart", "primary", f"{actual_start_mib_for_parted}MiB", end_pos]
|
||
logger.info(f"尝试在 {disk_path} 上创建 {size_for_log} 的主分区。命令: {' '.join(create_cmd)}")
|
||
success, _, stderr = self._execute_shell_command(
|
||
create_cmd,
|
||
f"在 {disk_path} 上创建分区失败"
|
||
)
|
||
if success:
|
||
QMessageBox.information(None, "成功", f"在 {disk_path} 上成功创建了 {size_for_log} 的分区。")
|
||
return True
|
||
else:
|
||
return False
|
||
|
||
def delete_partition(self, device_path):
|
||
"""
|
||
删除指定分区。
|
||
:param device_path: 要删除的分区路径。
|
||
:return: True 如果成功，否则 False。
|
||
"""
|
||
reply = QMessageBox.question(None, "确认删除分区",
|
||
f"您确定要删除分区 {device_path} 吗？此操作将擦除分区上的所有数据！",
|
||
QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
|
||
if reply == QMessageBox.No:
|
||
logger.info(f"用户取消了删除分区 {device_path} 的操作。")
|
||
return False
|
||
|
||
# 尝试卸载分区
|
||
# The unmount_partition method now handles "not mounted" gracefully without dialog and returns True.
|
||
# So, we just call it.
|
||
self.unmount_partition(device_path, show_dialog_on_error=False) # show_dialog_on_error=False means no dialog for other errors too.
|
||
|
||
# 从 fstab 中移除条目
|
||
# _remove_fstab_entry also handles "not found" gracefully.
|
||
self._remove_fstab_entry(device_path)
|
||
|
||
# 获取父磁盘和分区号
|
||
# 例如 /dev/sdb1 -> /dev/sdb, 1
|
||
match = re.match(r'(/dev/[a-z]+)(\d+)', device_path)
|
||
if not match:
|
||
QMessageBox.critical(None, "错误", f"无法解析设备路径 {device_path}。")
|
||
logger.error(f"无法解析设备路径 {device_path}。")
|
||
return False
|
||
|
||
disk_path = match.group(1)
|
||
partition_number = match.group(2)
|
||
|
||
logger.info(f"尝试删除分区 {device_path} (磁盘: {disk_path}, 分区号: {partition_number})。")
|
||
success, _, stderr = self._execute_shell_command(
|
||
["parted", "-s", disk_path, "rm", partition_number],
|
||
f"删除分区 {device_path} 失败"
|
||
)
|
||
if success:
|
||
QMessageBox.information(None, "成功", f"分区 {device_path} 已成功删除。")
|
||
return True
|
||
else:
|
||
return False
|
||
|
||
def format_partition(self, device_path, fstype=None):
|
||
"""
|
||
格式化指定分区。
|
||
:param device_path: 要格式化的分区路径。
|
||
:param fstype: 文件系统类型 (例如 'ext4', 'xfs', 'fat32', 'ntfs')。如果为 None，则弹出对话框让用户选择。
|
||
:return: True 如果成功，否则 False。
|
||
"""
|
||
if fstype is None:
|
||
items = ("ext4", "xfs", "fat32", "ntfs")
|
||
fstype, ok = QInputDialog.getItem(None, "选择文件系统", "请选择要使用的文件系统类型:", items, 0, False)
|
||
if not ok or not fstype:
|
||
logger.info("用户取消了文件系统选择。")
|
||
return False
|
||
|
||
reply = QMessageBox.question(None, "确认格式化分区",
|
||
f"您确定要将分区 {device_path} 格式化为 {fstype} 吗？此操作将擦除分区上的所有数据！",
|
||
QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
|
||
if reply == QMessageBox.No:
|
||
logger.info(f"用户取消了格式化分区 {device_path} 的操作。")
|
||
return False
|
||
|
||
# 尝试卸载分区
|
||
self.unmount_partition(device_path, show_dialog_on_error=False) # 静默卸载
|
||
|
||
# 从 fstab 中移除条目 (因为格式化会改变 UUID)
|
||
self._remove_fstab_entry(device_path)
|
||
|
||
logger.info(f"尝试将分区 {device_path} 格式化为 {fstype}。")
|
||
format_cmd = []
|
||
if fstype == "ext4":
|
||
format_cmd = ["mkfs.ext4", "-F", device_path] # -F 强制执行
|
||
elif fstype == "xfs":
|
||
format_cmd = ["mkfs.xfs", "-f", device_path] # -f 强制执行
|
||
elif fstype == "fat32":
|
||
format_cmd = ["mkfs.fat", "-F", "32", device_path]
|
||
elif fstype == "ntfs":
|
||
format_cmd = ["mkfs.ntfs", "-f", device_path]
|
||
else:
|
||
QMessageBox.critical(None, "错误", f"不支持的文件系统类型: {fstype}")
|
||
logger.error(f"不支持的文件系统类型: {fstype}")
|
||
return False
|
||
|
||
success, _, stderr = self._execute_shell_command(
|
||
format_cmd,
|
||
f"格式化分区 {device_path} 失败"
|
||
)
|
||
if success:
|
||
QMessageBox.information(None, "成功", f"分区 {device_path} 已成功格式化为 {fstype}。")
|
||
return True
|
||
else:
|
||
return False
|