117 lines
2.5 KiB
Python
117 lines
2.5 KiB
Python
# deck.fs: FS interaction helpers (WIP)
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# Created by Luxferre in 2025, released into public domain
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import os
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MCU_STORAGE = False
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try:
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import storage, sdcardio, board
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MCU_STORAGE = True
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except:
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pass
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def unlock_rootfs():
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if MCU_STORAGE:
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storage.remount("/", readonly=False)
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def lock_rootfs():
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if MCU_STORAGE:
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storage.remount("/", readonly=True)
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def mount_sd(path='/sd', readonly=False):
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sd_ok = True
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if MCU_STORAGE:
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try:
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sdcard = sdcardio.SDCard(board.SPI(), board.SDCARD_CS)
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vfs = storage.VfsFat(sdcard)
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storage.mount(vfs, path, readonly=readonly)
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sd_ok = True
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except:
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sd_ok = False
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return sd_ok
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def umount_sd(path='/sd'):
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sd_ok = True
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if MCU_STORAGE:
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try:
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storage.umount(path)
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sd_ok = True
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except:
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sd_ok = False
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return sd_ok
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def copy(source_path, dest_path, buffer_size=8192):
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"""
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Copies a file from source_path to dest_path
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"""
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try:
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with open(source_path, "rb") as src:
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with open(dest_path, "wb") as dst:
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while True:
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# Read a chunk from the source
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buffer = src.read(buffer_size)
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if not buffer:
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break
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# Write the chunk to the destination
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dst.write(buffer)
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return True
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except OSError as e:
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print(f"Error copying file: {e}")
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return False
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except Exception as e:
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print(f"An unexpected error occurred: {e}")
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return False
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cp = copy # shortcut export
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# Some shortcut export bindings to corresponding os functions
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sep = pathsep = os.sep
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cwd = pwd = os.getcwd
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ls = listdir = os.listdir
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md = mkdir = os.mkdir
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cd = chdir = os.chdir
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rd = rmdir = os.rmdir
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rm = remove = os.remove
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mv = rename = move = os.rename
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try:
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sync = os.sync
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except:
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def sync(): pass
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env = getenv = os.getenv
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rnd = urandom = os.urandom
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# adapted statistics methods
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# for a file
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def stat(path):
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st_mode, _, _, _, _, _, \
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st_size, st_atime, st_mtime, st_ctime = os.stat(path)
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return {
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'mode': st_mode,
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'size': st_size,
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'atime': st_atime,
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'mtime': st_mtime,
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'ctime': st_ctime
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}
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# for a filesystem
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def statvfs(path):
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f_bsize, f_frsize, f_frags, f_bfree, f_bavail, f_files, \
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f_ffree, f_favail, f_flag, f_namemax = os.statvfs(path)
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return {
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'block_size': f_bsize,
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'fragment_size': f_frsize,
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'fragments': f_frags,
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'blocks_free': f_bfree,
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'blocks_avail': f_bavail,
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'inodes': f_files,
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'inodes_free': f_ffree,
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'inodes_avail': f_favail,
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'mount_flags': f_flag,
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'max_name_len': f_namemax
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}
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du = stat # shortcut export
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df = statvfs # shortcut export
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