maix.fs

maix.fs module

You can use maix.fs to access this module with MaixPy
This module is generated from MaixCDK

Module

No module

Enum

SEEK

item	doc
brief	SEEK enums
values	SEEK_SET: Seek from beginning of file. SEEK_CUR: Seek from current position. SEEK_END: Seek from end of file.

C++ defination code:

enum SEEK
    {
        SEEK_SET = 0,  // Seek from beginning of file.
        SEEK_CUR = 1,  // Seek from current position.
        SEEK_END = 2,  // Seek from end of file.
    }

Variable

Function

isabs

item	doc
brief	Check if the path is absolute path
param	path: path to check
return	true if path is absolute path

C++ defination code:

bool isabs(const std::string &path)

isdir

item	doc
brief	Check if the path is a directory, if not exist, throw exception
param	path: path to check
return	true if path is a directory

C++ defination code:

bool isdir(const std::string &path)

isfile

item	doc
brief	Check if the path is a file, if not exist, throw exception
param	path: path to check
return	true if path is a file

C++ defination code:

bool isfile(const std::string &path)

islink

item	doc
brief	Check if the path is a link, if not exist, throw exception
param	path: path to check
return	true if path is a link

C++ defination code:

bool islink(const std::string &path)

symlink

item	doc
brief	Create soft link
param	src: real file path link: link file path force: force link, if already have link file, will delet it first then create.

C++ defination code:

err::Err symlink(const std::string &src, const std::string &link, bool force = false)

exists

item	doc
brief	Check if the path exists
param	path: path to check
return	true if path exists

C++ defination code:

bool exists(const std::string &path)

mkdir

item	doc
brief	Create a directory recursively
param	path: path to create exist_ok: if true, also return true if directory already exists recursive: if true, create directory recursively, otherwise, only create one directory, default is true
return	err::ERR_NONE(err.Err.ERR_NONE in MaixPy) if success, other error code if failed

C++ defination code:

err::Err mkdir(const std::string &path, bool exist_ok = true, bool recursive = true)

rmdir

item	doc
brief	Remove a directory
param	path: path to remove recursive: if true, remove directory recursively, otherwise, only remove empty directory, default is false
return	err::ERR_NONE(err.Err.ERR_NONE in MaixPy) if success, other error code if failed

C++ defination code:

err::Err rmdir(const std::string &path, bool recursive = false)

remove

item	doc
brief	Remove a file
param	path: path to remove
return	err::ERR_NONE(err.Err.ERR_NONE in MaixPy) if success, other error code if failed

C++ defination code:

err::Err remove(const std::string &path)

rename

item	doc
brief	Rename a file or directory
param	src: source path dst: destination path, if destination dirs not exist, will auto create
return	err::ERR_NONE(err.Err.ERR_NONE in MaixPy) if success, other error code if failed

C++ defination code:

err::Err rename(const std::string &src, const std::string &dst)

sync

item	doc
brief	Sync files, ensure they're wrriten to disk from RAM

C++ defination code:

void sync()

getsize

item	doc
brief	Get file size
param	path: path to get size
return	file size if success, -err::Err code if failed

C++ defination code:

int getsize(const std::string &path)

dirname

item	doc
brief	Get directory name of path
param	path: path to get dirname
return	dirname if success, empty string if failed

C++ defination code:

std::string dirname(const std::string &path)

basename

item	doc
brief	Get base name of path
param	path: path to get basename
return	basename if success, empty string if failed

C++ defination code:

std::string basename(const std::string &path)

abspath

item	doc
brief	Get absolute path
param	path: path to get absolute path
return	absolute path if success, empty string if failed

C++ defination code:

std::string abspath(const std::string &path)

getcwd

item	doc
brief	Get current working directory
return	current working directory absolute path

C++ defination code:

std::string getcwd()

realpath

item	doc
brief	Get realpath of path
param	path: path to get realpath
return	realpath if success, empty string if failed

C++ defination code:

std::string realpath(const std::string &path)

splitext

item	doc
brief	Get file extension
param	path: path to get extension
return	extension if success, empty string if failed

C++ defination code:

std::string splitext(const std::string &path)

listdir

item	doc
brief	List files in directory
param	path: path to list recursive: if true, list recursively, otherwise, only list current directory, default is false full_path: if true, return full path, otherwise, only return basename, default is false
return	files list if success, nullptr if failed, you should manually delete it in C++.

C++ defination code:

std::vector<std::string> *listdir(const std::string &path, bool recursive = false, bool full_path = false)

open

item	doc
brief	Open a file, and return a File object
param	path: path to open mode: open mode, support "r", "w", "a", "r+", "w+", "a+", "rb", "wb", "ab", "rb+", "wb+", "ab+"
return	File object if success(need to delete object manually in C/C++), nullptr if failed

C++ defination code:

fs::File *open(const std::string &path, const std::string &mode)

tempdir

item	doc
brief	Get temp files directory
return	temp files directory

C++ defination code:

std::string tempdir()

Class

File

item	doc
brief	File read write ops

C++ defination code:

class File

init

def __init__(self) -> None

item	doc
type	func
brief	Construct File object
static	False

C++ defination code:

File()

open

def open(self, path: str, mode: str) -> maix.err.Err

item	doc
type	func
brief	Open a file
param	path: path to open mode: open mode, support "r", "w", "a", "r+", "w+", "a+", "rb", "wb", "ab", "rb+", "wb+", "ab+"
return	err::ERR_NONE(err.Err.ERR_NONE in MaixPy) if success, other error code if failed
static	False

C++ defination code:

err::Err open(const std::string &path, const std::string &mode)

close

def close(self) -> None

item	doc
type	func
brief	Close a file
static	False

C++ defination code:

void close()

read

def read(self, size: int) -> list[int]

item	doc
type	func
brief	Read data from file API2
param	size: max read size
return	bytes data if success(need delete manually in C/C++), nullptr if failed
static	False

C++ defination code:

std::vector<uint8_t> *read(int size)

readline

def readline(self) -> str

item	doc
type	func
brief	Read line from file
return	line if success, empty string if failed. You need to delete the returned object manually in C/C++.
static	False

C++ defination code:

std::string *readline()

write

def write(self, buf: list[int]) -> int

item	doc
type	func
brief	Write data to file API2
param	buf: buffer to write
return	write size if success, -err::Err code if failed
static	False

C++ defination code:

int write(const std::vector<uint8_t> &buf)

seek

def seek(self, offset: int, whence: int) -> int

item	doc
type	func
brief	Seek file position
param	offset: offset to seek whence: @see maix.fs.SEEK
return	new position if success, -err::Err code if failed
static	False

C++ defination code:

int seek(int offset, int whence)

tell

def tell(self) -> int

item	doc
type	func
brief	Get file position
return	file position if success, -err::Err code if failed
static	False

C++ defination code:

int tell()

flush

def flush(self) -> maix.err.Err

item	doc
type	func
brief	Flush file
return	err::ERR_NONE(err.Err.ERR_NONE in MaixPy) if success, other error code if failed
static	False

C++ defination code:

err::Err flush()

thread

sys