通用作業系統服務¶
此章節所描述的模組 (module) 提供了作業系統特性的使用介面,例如檔案與時鐘,(幾乎)在所有作業系統上皆能使用。這些介面通常是參考 Unix 或 C 的介面來實作,不過在其他大多數系統上也能使用。以下為概述:
os
--- 各種作業系統介面error
name
- File Names, Command Line Arguments, and Environment Variables
- Python UTF-8 模式
- 行程參數
ctermid()
environ
environb
reload_environ()
fsencode()
fsdecode()
fspath()
PathLike
getenv()
getenvb()
get_exec_path()
getegid()
geteuid()
getgid()
getgrouplist()
getgroups()
getlogin()
getpgid()
getpgrp()
getpid()
getppid()
getpriority()
PRIO_PROCESS
PRIO_PGRP
PRIO_USER
PRIO_DARWIN_THREAD
PRIO_DARWIN_PROCESS
PRIO_DARWIN_BG
PRIO_DARWIN_NONUI
getresuid()
getresgid()
getuid()
initgroups()
putenv()
setegid()
seteuid()
setgid()
setgroups()
setns()
setpgrp()
setpgid()
setpriority()
setregid()
setresgid()
setresuid()
setreuid()
getsid()
setsid()
setuid()
strerror()
supports_bytes_environ
umask()
uname()
unsetenv()
unshare()
CLONE_FILES
CLONE_FS
CLONE_NEWCGROUP
CLONE_NEWIPC
CLONE_NEWNET
CLONE_NEWNS
CLONE_NEWPID
CLONE_NEWTIME
CLONE_NEWUSER
CLONE_NEWUTS
CLONE_SIGHAND
CLONE_SYSVSEM
CLONE_THREAD
CLONE_VM
- File Object Creation
- File Descriptor Operations
close()
closerange()
copy_file_range()
device_encoding()
dup()
dup2()
fchmod()
fchown()
fdatasync()
fpathconf()
fstat()
fstatvfs()
fsync()
ftruncate()
get_blocking()
grantpt()
isatty()
lockf()
F_LOCK
F_TLOCK
F_ULOCK
F_TEST
login_tty()
lseek()
SEEK_SET
SEEK_CUR
SEEK_END
SEEK_HOLE
SEEK_DATA
open()
O_RDONLY
O_WRONLY
O_RDWR
O_APPEND
O_CREAT
O_EXCL
O_TRUNC
O_DSYNC
O_RSYNC
O_SYNC
O_NDELAY
O_NONBLOCK
O_NOCTTY
O_CLOEXEC
O_BINARY
O_NOINHERIT
O_SHORT_LIVED
O_TEMPORARY
O_RANDOM
O_SEQUENTIAL
O_TEXT
O_EVTONLY
O_FSYNC
O_SYMLINK
O_NOFOLLOW_ANY
O_ASYNC
O_DIRECT
O_DIRECTORY
O_NOFOLLOW
O_NOATIME
O_PATH
O_TMPFILE
O_SHLOCK
O_EXLOCK
openpty()
pipe()
pipe2()
posix_fallocate()
posix_fadvise()
POSIX_FADV_NORMAL
POSIX_FADV_SEQUENTIAL
POSIX_FADV_RANDOM
POSIX_FADV_NOREUSE
POSIX_FADV_WILLNEED
POSIX_FADV_DONTNEED
pread()
posix_openpt()
preadv()
RWF_NOWAIT
RWF_HIPRI
ptsname()
pwrite()
pwritev()
RWF_DSYNC
RWF_SYNC
RWF_APPEND
read()
sendfile()
SF_NODISKIO
SF_MNOWAIT
SF_SYNC
SF_NOCACHE
set_blocking()
splice()
SPLICE_F_MOVE
SPLICE_F_NONBLOCK
SPLICE_F_MORE
readv()
tcgetpgrp()
tcsetpgrp()
ttyname()
unlockpt()
write()
writev()
- Querying the size of a terminal
- Inheritance of File Descriptors
- Files and Directories
access()
F_OK
R_OK
W_OK
X_OK
chdir()
chflags()
chmod()
chown()
chroot()
fchdir()
getcwd()
getcwdb()
lchflags()
lchmod()
lchown()
link()
listdir()
listdrives()
listmounts()
listvolumes()
lstat()
mkdir()
makedirs()
mkfifo()
mknod()
major()
minor()
makedev()
pathconf()
pathconf_names
readlink()
remove()
removedirs()
rename()
renames()
replace()
rmdir()
scandir()
DirEntry
stat()
stat_result
statvfs()
supports_dir_fd
supports_effective_ids
supports_fd
supports_follow_symlinks
symlink()
sync()
truncate()
unlink()
utime()
walk()
fwalk()
memfd_create()
MFD_CLOEXEC
MFD_ALLOW_SEALING
MFD_HUGETLB
MFD_HUGE_SHIFT
MFD_HUGE_MASK
MFD_HUGE_64KB
MFD_HUGE_512KB
MFD_HUGE_1MB
MFD_HUGE_2MB
MFD_HUGE_8MB
MFD_HUGE_16MB
MFD_HUGE_32MB
MFD_HUGE_256MB
MFD_HUGE_512MB
MFD_HUGE_1GB
MFD_HUGE_2GB
MFD_HUGE_16GB
eventfd()
eventfd_read()
eventfd_write()
EFD_CLOEXEC
EFD_NONBLOCK
EFD_SEMAPHORE
- Timer File Descriptors
- Linux extended attributes
- 行程管理
abort()
add_dll_directory()
execl()
execle()
execlp()
execlpe()
execv()
execve()
execvp()
execvpe()
_exit()
EX_OK
EX_USAGE
EX_DATAERR
EX_NOINPUT
EX_NOUSER
EX_NOHOST
EX_UNAVAILABLE
EX_SOFTWARE
EX_OSERR
EX_OSFILE
EX_CANTCREAT
EX_IOERR
EX_TEMPFAIL
EX_PROTOCOL
EX_NOPERM
EX_CONFIG
EX_NOTFOUND
fork()
forkpty()
kill()
killpg()
nice()
pidfd_open()
plock()
popen()
posix_spawn()
posix_spawnp()
register_at_fork()
spawnl()
spawnle()
spawnlp()
spawnlpe()
spawnv()
spawnve()
spawnvp()
spawnvpe()
P_NOWAIT
P_NOWAITO
P_WAIT
P_DETACH
P_OVERLAY
startfile()
system()
times()
wait()
waitid()
waitpid()
wait3()
wait4()
P_PID
P_PGID
P_ALL
P_PIDFD
WCONTINUED
WEXITED
WSTOPPED
WUNTRACED
WNOHANG
WNOWAIT
CLD_EXITED
CLD_KILLED
CLD_DUMPED
CLD_TRAPPED
CLD_STOPPED
CLD_CONTINUED
waitstatus_to_exitcode()
WCOREDUMP()
WIFCONTINUED()
WIFSTOPPED()
WIFSIGNALED()
WIFEXITED()
WEXITSTATUS()
WSTOPSIG()
WTERMSIG()
- Interface to the scheduler
SCHED_OTHER
SCHED_BATCH
SCHED_DEADLINE
SCHED_IDLE
SCHED_NORMAL
SCHED_SPORADIC
SCHED_FIFO
SCHED_RR
SCHED_RESET_ON_FORK
sched_param
sched_get_priority_min()
sched_get_priority_max()
sched_setscheduler()
sched_getscheduler()
sched_setparam()
sched_getparam()
sched_rr_get_interval()
sched_yield()
sched_setaffinity()
sched_getaffinity()
- Miscellaneous System Information
- Random numbers
io
— 處理資料串流的核心工具time
--- 時間存取與轉換- 函式
asctime()
pthread_getcpuclockid()
clock_getres()
clock_gettime()
clock_gettime_ns()
clock_settime()
clock_settime_ns()
ctime()
get_clock_info()
gmtime()
localtime()
mktime()
monotonic()
monotonic_ns()
perf_counter()
perf_counter_ns()
process_time()
process_time_ns()
sleep()
strftime()
strptime()
struct_time
time()
time_ns()
thread_time()
thread_time_ns()
tzset()
- 時鐘 ID 常數
- 時區常數
- 函式
logging
--- Python 的日誌記錄工具logging.config
--- 日誌記錄配置logging.handlers
--- 日誌紀錄處理器platform
--- 對底層平臺識別資料的存取errno
--- 標準 errno 系統符號errorcode
EPERM
ENOENT
ESRCH
EINTR
EIO
ENXIO
E2BIG
ENOEXEC
EBADF
ECHILD
EAGAIN
ENOMEM
EACCES
EFAULT
ENOTBLK
EBUSY
EEXIST
EXDEV
ENODEV
ENOTDIR
EISDIR
EINVAL
ENFILE
EMFILE
ENOTTY
ETXTBSY
EFBIG
ENOSPC
ESPIPE
EROFS
EMLINK
EPIPE
EDOM
ERANGE
EDEADLK
ENAMETOOLONG
ENOLCK
ENOSYS
ENOTEMPTY
ELOOP
EWOULDBLOCK
ENOMSG
EIDRM
ECHRNG
EL2NSYNC
EL3HLT
EL3RST
ELNRNG
EUNATCH
ENOCSI
EL2HLT
EBADE
EBADR
EXFULL
ENOANO
EBADRQC
EBADSLT
EDEADLOCK
EBFONT
ENOSTR
ENODATA
ETIME
ENOSR
ENONET
ENOPKG
EREMOTE
ENOLINK
EADV
ESRMNT
ECOMM
EPROTO
EMULTIHOP
EDOTDOT
EBADMSG
EOVERFLOW
ENOTUNIQ
EBADFD
EREMCHG
ELIBACC
ELIBBAD
ELIBSCN
ELIBMAX
ELIBEXEC
EILSEQ
ERESTART
ESTRPIPE
EUSERS
ENOTSOCK
EDESTADDRREQ
EMSGSIZE
EPROTOTYPE
ENOPROTOOPT
EPROTONOSUPPORT
ESOCKTNOSUPPORT
EOPNOTSUPP
ENOTSUP
EPFNOSUPPORT
EAFNOSUPPORT
EADDRINUSE
EADDRNOTAVAIL
ENETDOWN
ENETUNREACH
ENETRESET
ECONNABORTED
ECONNRESET
ENOBUFS
EISCONN
ENOTCONN
ESHUTDOWN
ETOOMANYREFS
ETIMEDOUT
ECONNREFUSED
EHOSTDOWN
EHOSTUNREACH
EHWPOISON
EALREADY
EINPROGRESS
ESTALE
EUCLEAN
ENOTNAM
ENAVAIL
EISNAM
EREMOTEIO
EDQUOT
EQFULL
ENOTCAPABLE
ECANCELED
EOWNERDEAD
ENOTRECOVERABLE
ctypes
--- 用於 Python 的外部函式庫- ctypes 教學
- Loading dynamic link libraries
- Accessing functions from loaded dlls
- 呼叫函式
- Fundamental data types
- Calling functions, continued
- Calling variadic functions
- Calling functions with your own custom data types
- Specifying the required argument types (function prototypes)
- Return types
- Passing pointers (or: passing parameters by reference)
- Structures and unions
- Structure/union layout, alignment and byte order
- Bit fields in structures and unions
- Arrays
- Pointers
- Type conversions
- Incomplete Types
- 回呼函式
- Accessing values exported from dlls
- Surprises
- Variable-sized data types
- ctypes reference
- Finding shared libraries
- Loading shared libraries
- Foreign functions
- Function prototypes
- Utility functions
addressof()
alignment()
byref()
CopyComPointer()
cast()
create_string_buffer()
create_unicode_buffer()
DllCanUnloadNow()
DllGetClassObject()
find_library()
find_msvcrt()
FormatError()
GetLastError()
get_errno()
get_last_error()
memmove()
memset()
POINTER()
pointer()
resize()
set_errno()
set_last_error()
sizeof()
string_at()
WinError()
wstring_at()
- Data types
- Fundamental data types
_SimpleCData
c_byte
c_char
c_char_p
c_double
c_longdouble
c_float
c_double_complex
c_float_complex
c_longdouble_complex
c_int
c_int8
c_int16
c_int32
c_int64
c_long
c_longlong
c_short
c_size_t
c_ssize_t
c_time_t
c_ubyte
c_uint
c_uint8
c_uint16
c_uint32
c_uint64
c_ulong
c_ulonglong
c_ushort
c_void_p
c_wchar
c_wchar_p
c_bool
HRESULT
py_object
- Structured data types
- Arrays and pointers
- Exceptions
- ctypes 教學