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Commitd0444f1

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Add file manager app
1 parent82451db commitd0444f1

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5 files changed

+216
-4
lines changed

5 files changed

+216
-4
lines changed
Lines changed: 24 additions & 0 deletions
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{
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"name":"File Manager",
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"publisher":"MicroPythonOS",
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"short_description":"Manage files",
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"long_description":"Traverse around the filesystem and manage files and folders you find..",
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"icon_url":"https://apps.micropythonos.com/apps/com.micropythonos.explorer/icons/com.micropythonos.filemanager.0.1_64x64.png",
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"download_url":"https://apps.micropythonos.com/apps/com.micropythonos.fileexplorer/mpks/com.micropythonos.filemanager.0.1.mpk",
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"fullname":"com.micropythonos.filemanager",
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"version":"0.0.1",
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"category":"development",
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"activities": [
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{
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"entrypoint":"assets/file_manager.py",
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"classname":"FileManager",
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"intent_filters": [
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{
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"action":"main",
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"category":"launcher"
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}
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]
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}
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]
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}
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Lines changed: 58 additions & 0 deletions
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frommpos.appsimportActivity
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importmpos.ui
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classFileManager(Activity):
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# Widgets:
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file_explorer=None
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defonCreate(self):
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#lv.log_register_print_cb(self.log_callback)
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screen=lv.obj()
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self.file_explorer=lv.file_explorer(screen)
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#self.file_explorer.set_root_path("M:data/images/")
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#self.file_explorer.explorer_open_dir('/')
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#self.file_explorer.explorer_open_dir('M:data/images/')
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#self.file_explorer.explorer_open_dir('M:/')
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self.file_explorer.explorer_open_dir('M:/')
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#self.file_explorer.explorer_open_dir('M:data/images/')
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#self.file_explorer.explorer_open_dir('P:.') # POSIX works, fs_driver doesn't because it doesn't have dir_open, dir_read, dir_close
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#self.file_explorer.explorer_open_dir('P:/tmp') # POSIX works, fs_driver doesn't because it doesn't have dir_open, dir_read, dir_close
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#file_explorer.explorer_open_dir('S:/')
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#self.file_explorer.set_size(lv.pct(100), lv.pct(100))
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#file_explorer.set_mode(lv.FILE_EXPLORER.MODE.DEFAULT) # Default browsing mode
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#file_explorer.set_sort(lv.FILE_EXPLORER.SORT.NAME_ASC) # Sort by name, ascending
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self.file_explorer.align(lv.ALIGN.CENTER,0,0)
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# Attach event callback
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self.file_explorer.add_event_cb(self.file_explorer_event_cb,lv.EVENT.ALL,None)
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self.setContentView(screen)
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deffile_explorer_event_cb(self,event):
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event_code=event.get_code()
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# Ignore:
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# =======
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# 2: PRESSING
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# 19: HIT_TEST
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# COVER_CHECK
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# 24: REFR_EXT_DRAW_SIZE
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# DRAW_MAIN
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# DRAW_MAIN_BEGIN
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# DRAW_MAIN_END
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# DRAW_POST
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# DRAW_POST_BEGIN
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# DRAW_POST_END
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# GET_SELF_SIZE
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# 47 STYLE CHANGED
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ifevent_codenotin [2,19,23,24,25,26,27,28,29,30,47,49]:
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name=mpos.ui.get_event_name(event_code)
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print(f"file_explorer_event_cb{event_code} with name{name}")
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ifevent_code==lv.EVENT.VALUE_CHANGED:
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path=self.file_explorer.explorer_get_current_path()
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file=self.file_explorer.explorer_get_selected_file_name()
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print(f"Selected:{path}{file}")
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# Custom log callback to capture FPS
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deflog_callback(self,level,log_str):
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# Convert log_str to string if it's a bytes object
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log_str=log_str.decode()ifisinstance(log_str,bytes)elselog_str
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print(f"Level:{level}, Log:{log_str}")
Lines changed: 132 additions & 0 deletions
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# Original author: mhepp(https://forum.lvgl.io/u/mhepp/summary)
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# Copyright (c) 2024 - 2025 Kevin G. Schlosser
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# Added directory support, upstreamed at https://github.com/lvgl-micropython/lvgl_micropython/issues/398
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importlvglaslv
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importstruct
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def_fs_open_cb(drv,path,mode):
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ifmode==lv.FS_MODE.WR:
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p_mode='wb'
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elifmode==lv.FS_MODE.RD:
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p_mode='rb'
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elifmode==lv.FS_MODE.WR|lv.FS_MODE.RD:
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p_mode='rb+'
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else:
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raiseRuntimeError("fs_open_callback() - open mode error, %s is invalid mode"%mode)
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try:
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f=open(path,p_mode)
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exceptOSErrorase:
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raiseRuntimeError("fs_open_callback(%s) exception: %s"% (path,e))
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return {'file' :f,'path':path}
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def_fs_close_cb(drv,fs_file):
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try:
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fs_file.__cast__()['file'].close()
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exceptOSErrorase:
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raiseRuntimeError("fs_close_callback(%s) exception: %s"% (fs_file.__cast__()['path'],e))
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returnlv.FS_RES.OK
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def_fs_read_cb(drv,fs_file,buf,btr,br):
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try:
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tmp_data=fs_file.__cast__()['file'].read(btr)
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buf.__dereference__(btr)[0:len(tmp_data)]=tmp_data
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br.__dereference__(4)[0:4]=struct.pack("<L",len(tmp_data))
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exceptOSErrorase:
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raiseRuntimeError("fs_read_callback(%s) exception %s"% (fs_file.__cast__()['path'],e))
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returnlv.FS_RES.OK
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def_fs_seek_cb(drv,fs_file,pos,whence):
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try:
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fs_file.__cast__()['file'].seek(pos,whence)
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exceptOSErrorase:
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raiseRuntimeError("fs_seek_callback(%s) exception %s"% (fs_file.__cast__()['path'],e))
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returnlv.FS_RES.OK
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def_fs_tell_cb(drv,fs_file,pos):
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try:
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tpos=fs_file.__cast__()['file'].tell()
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pos.__dereference__(4)[0:4]=struct.pack("<L",tpos)
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exceptOSErrorase:
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raiseRuntimeError("fs_tell_callback(%s) exception %s"% (fs_file.__cast__()['path'],e))
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returnlv.FS_RES.OK
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def_fs_write_cb(drv,fs_file,buf,btw,bw):
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try:
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wr=fs_file.__cast__()['file'].write(buf.__dereference__(btw)[0:btw])
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bw.__dereference__(4)[0:4]=struct.pack("<L",wr)
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exceptOSErrorase:
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raiseRuntimeError("fs_write_callback(%s) exception %s"% (fs_file.__cast__()['path'],e))
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returnlv.FS_RES.OK
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def_fs_dir_open_cb(drv,path):
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#print(f"_fs_dir_open_cb for path '{path}'")
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try:
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importos# for ilistdir()
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return {'iterator' :os.ilistdir(path)}
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exceptExceptionase:
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print(f"_fs_dir_open_cb exception:{e}")
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returnNone
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def_fs_dir_read_cb(drv,lv_fs_dir_t,buf,btr):
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try:
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iterator=lv_fs_dir_t.__cast__()['iterator']
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nextfile=iterator.__next__()
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#print(f"nextfile: {nextfile}")
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filename=nextfile[0]
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entry_type=nextfile[1]# Type field
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ifentry_type==0x4000:
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#print(f"{filename} is a directory")
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filename=f"/{filename}"
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# Convert filename to bytes with null terminator
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tmp_data_bytes=filename.encode()+b'\x00'
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buf.__dereference__(btr)[0:len(tmp_data_bytes)]=tmp_data_bytes
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returnlv.FS_RES.OK
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exceptStopIteration:
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# Clear buffer and return FS_ERR when iteration ends
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buf.__dereference__(btr)[0:1]=b'\x00'# Empty string (null byte)
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returnlv.FS_RES.NOT_EX# Next entry "does not exist"
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exceptExceptionase:
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print(f"_fs_dir_read_cb exception:{e}")
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returnlv.FS_RES.UNKNOWN
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def_fs_dir_close_cb(drv,lv_fs_dir_t):
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#print(f"_fs_dir_close_cb called")
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# No need to cleanup the iterator so nothing to do
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returnlv.FS_RES.OK
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deffs_register(fs_drv,letter,cache_size=500):
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fs_drv.init()
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fs_drv.letter=ord(letter)
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fs_drv.open_cb=_fs_open_cb
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fs_drv.read_cb=_fs_read_cb
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fs_drv.write_cb=_fs_write_cb
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fs_drv.seek_cb=_fs_seek_cb
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fs_drv.tell_cb=_fs_tell_cb
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fs_drv.close_cb=_fs_close_cb
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fs_drv.dir_open_cb=_fs_dir_open_cb
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fs_drv.dir_read_cb=_fs_dir_read_cb
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#fs_drv.dir_close_cb = _fs_dir_close_cb
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ifcache_size>=0:
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fs_drv.cache_size=cache_size
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fs_drv.register()
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‎internal_filesystem/lib/mpos/ui/__init__.py‎

Lines changed: 0 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,3 @@
1-
#import utime # for time profiling
2-
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importlvglaslv
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importmpos.apps
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importmpos.battery_voltage

‎internal_filesystem/main.py‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -3,9 +3,9 @@
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importlvglaslv
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# Allow LVGL M:/path/to/file or M:relative/path/to/file to work for image set_src etc
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importfs_driver
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importmpos.fs_driver
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fs_drv=lv.fs_drv_t()
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fs_driver.fs_register(fs_drv,'M')
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mpos.fs_driver.fs_register(fs_drv,'M')
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importmpos.apps
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importmpos.config

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