# SOME DESCRIPTIVE TITLE.

# Copyright (C) 2001 Python Software Foundation

# This file is distributed under the same license as the Python package.

# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.

#

# Translators:

# Danial Behzadi <dani.behzi@ubuntu.com>, 2025

# Revisto <theRevisto@gmail.com>, 2025

# Sepehr Rasouli <sepehrrasouli06@gmail.com>, 2026

#

#, fuzzy

msgid ""

msgstr ""

"Project-Id-Version: Python 3.14\n"

"Report-Msgid-Bugs-To: \n"

"POT-Creation-Date: 2026-09-16 12:56+0000\n"

"PO-Revision-Date: 2026-09-15 10:45+0330\n"

"Last-Translator: Sepehr Rasouli <sepehrrasouli06@gmail.com>, 2026\n"

"Language-Team: Persian (https://github.com/python/python-docs-fa/fa/)\n"

"Language: fa\n"

"MIME-Version: 1.0\n"

"Content-Type: text/plain; charset=UTF-8\n"

"Content-Transfer-Encoding: 8bit\n"

"Plural-Forms: nplurals=2; plural=(n > 1);\n"

"X-Generator: Poedit 3.6\n"

msgid "timer file descriptor HOWTO"

msgstr "راهنمای عملی (HOWTO) توصیف‌گر پرونده زمان‌سنج"

msgid "Release"

msgstr "انتشار"

msgid "1.13"

msgstr "1.13"

msgid "This HOWTO discusses Python's support for the linux timer file descriptor."

msgstr "این راهنمای عملی پشتیبانی پایتون از توصیف‌گر پرونده تایمر در لینوکس را بررسی می‌کند."

msgid "Examples"

msgstr "مثال‌ها"

msgid "The following example shows how to use a timer file descriptor to execute a function twice a second:"

msgstr "مثال زیر نشان می‌دهد که چگونه می‌توان از یک توصیف‌گر پرونده زمان‌ساز برای اجرای یک تابع دو بار در ثانیه استفاده کرد:"

msgid ""

"# Practical scripts should use really use a non-blocking timer,\n"

"# we use a blocking timer here for simplicity.\n"

"import os, time\n"

"\n"

"# Create the timer file descriptor\n"

"fd = os.timerfd_create(time.CLOCK_REALTIME)\n"

"\n"

"# Start the timer in 1 second, with an interval of half a second\n"

"os.timerfd_settime(fd, initial=1, interval=0.5)\n"

"\n"

"try:\n"

" # Process timer events four times.\n"

" for _ in range(4):\n"

" # read() will block until the timer expires\n"

" _ = os.read(fd, 8)\n"

" print(\"Timer expired\")\n"

"finally:\n"

" # Remember to close the timer file descriptor!\n"

" os.close(fd)"

msgstr ""

"# Practical scripts should use really use a non-blocking timer,\n"

"# we use a blocking timer here for simplicity.\n"

"import os, time\n"

"\n"

"# Create the timer file descriptor\n"

"fd = os.timerfd_create(time.CLOCK_REALTIME)\n"

"\n"

"# Start the timer in 1 second, with an interval of half a second\n"

"os.timerfd_settime(fd, initial=1, interval=0.5)\n"

"\n"

"try:\n"

" # Process timer events four times.\n"

" for _ in range(4):\n"

" # read() will block until the timer expires\n"

" _ = os.read(fd, 8)\n"

" print(\"Timer expired\")\n"

"finally:\n"

" # Remember to close the timer file descriptor!\n"

" os.close(fd)"

msgid "To avoid the precision loss caused by the :class:`float` type, timer file descriptors allow specifying initial expiration and interval in integer nanoseconds with ``_ns`` variants of the functions."

msgstr "برای پرهیز از کاهش دقت ناشی از نوع :class:`float`، توصیف‌گرهای پرونده زمان‌سنج امکان مشخص کردن انقضای اولیه و بازه زمانی را به‌صورت نانوثانیه‌های عدد صحیح از طریق نسخه‌های ``_ns`` توابع فراهم می‌کنند."

msgid "This example shows how :func:`~select.epoll` can be used with timer file descriptors to wait until the file descriptor is ready for reading:"

msgstr "این مثال نشان می‌دهد که چگونه می‌توان از :func:`~select.epoll` همراه با توصیف‌گرهای پرونده زمان‌سنج برای انتظار تا زمانی که توصیف‌گر پرونده برای خواندن آماده شود، استفاده کرد:"

msgid ""

"import os, time, select, socket, sys\n"

"\n"

"# Create an epoll object\n"

"ep = select.epoll()\n"

"\n"

"# In this example, use loopback address to send \"stop\" command to the server.\n"

"#\n"

"# $ telnet 127.0.0.1 1234\n"

"# Trying 127.0.0.1...\n"

"# Connected to 127.0.0.1.\n"

"# Escape character is '^]'.\n"

"# stop\n"

"# Connection closed by foreign host.\n"

"#\n"

"sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\n"

"sock.bind((\"127.0.0.1\", 1234))\n"

"sock.setblocking(False)\n"

"sock.listen(1)\n"

"ep.register(sock, select.EPOLLIN)\n"

"\n"

"# Create timer file descriptors in non-blocking mode.\n"

"num = 3\n"

"fds = []\n"

"for _ in range(num):\n"

" fd = os.timerfd_create(time.CLOCK_REALTIME, flags=os.TFD_NONBLOCK)\n"

" fds.append(fd)\n"

" # Register the timer file descriptor for read events\n"

" ep.register(fd, select.EPOLLIN)\n"

"\n"

"# Start the timer with os.timerfd_settime_ns() in nanoseconds.\n"

"# Timer 1 fires every 0.25 seconds; timer 2 every 0.5 seconds; etc\n"

"for i, fd in enumerate(fds, start=1):\n"

" one_sec_in_nsec = 10**9\n"

" i = i * one_sec_in_nsec\n"

" os.timerfd_settime_ns(fd, initial=i//4, interval=i//4)\n"

"\n"

"timeout = 3\n"

"try:\n"

" conn = None\n"

" is_active = True\n"

" while is_active:\n"

" # Wait for the timer to expire for 3 seconds.\n"

" # epoll.poll() returns a list of (fd, event) pairs.\n"

" # fd is a file descriptor.\n"

" # sock and conn[=returned value of socket.accept()] are socket objects, not file descriptors.\n"

" # So use sock.fileno() and conn.fileno() to get the file descriptors.\n"

" events = ep.poll(timeout)\n"

"\n"

" # If more than one timer file descriptors are ready for reading at once,\n"

" # epoll.poll() returns a list of (fd, event) pairs.\n"

" #\n"

" # In this example settings,\n"

" # 1st timer fires every 0.25 seconds in 0.25 seconds. (0.25, 0.5, 0.75, 1.0, ...)\n"

" # 2nd timer every 0.5 seconds in 0.5 seconds. (0.5, 1.0, 1.5, 2.0, ...)\n"

" # 3rd timer every 0.75 seconds in 0.75 seconds. (0.75, 1.5, 2.25, 3.0, ...)\n"

" #\n"

" # In 0.25 seconds, only 1st timer fires.\n"

" # In 0.5 seconds, 1st timer and 2nd timer fires at once.\n"

" # In 0.75 seconds, 1st timer and 3rd timer fires at once.\n"

" # In 1.5 seconds, 1st timer, 2nd timer and 3rd timer fires at once.\n"

" #\n"

" # If a timer file descriptor is signaled more than once since\n"

" # the last os.read() call, os.read() returns the number of signaled\n"

" # as host order of class bytes.\n"

" print(f\"Signaled events={events}\")\n"

" for fd, event in events:\n"

" if event & select.EPOLLIN:\n"

" if fd == sock.fileno():\n"

" # Check if there is a connection request.\n"

" print(f\"Accepting connection {fd}\")\n"

" conn, addr = sock.accept()\n"

" conn.setblocking(False)\n"

" print(f\"Accepted connection {conn} from {addr}\")\n"

" ep.register(conn, select.EPOLLIN)\n"

" elif conn and fd == conn.fileno():\n"

" # Check if there is data to read.\n"

" print(f\"Reading data {fd}\")\n"

" data = conn.recv(1024)\n"

" if data:\n"

" # You should catch UnicodeDecodeError exception for safety.\n"

" cmd = data.decode()\n"

" if cmd.startswith(\"stop\"):\n"

" print(f\"Stopping server\")\n"

" is_active = False\n"

" else:\n"

" print(f\"Unknown command: {cmd}\")\n"

" else:\n"

" # No more data, close connection\n"

" print(f\"Closing connection {fd}\")\n"

" ep.unregister(conn)\n"

" conn.close()\n"

" conn = None\n"

" elif fd in fds:\n"

" print(f\"Reading timer {fd}\")\n"

" count = int.from_bytes(os.read(fd, 8), byteorder=sys.byteorder)\n"

" print(f\"Timer {fds.index(fd) + 1} expired {count} times\")\n"

" else:\n"

" print(f\"Unknown file descriptor {fd}\")\n"

"finally:\n"

" for fd in fds:\n"

" ep.unregister(fd)\n"

" os.close(fd)\n"

" ep.close()"

msgstr ""

"import os, time, select, socket, sys\n"

"\n"

"# Create an epoll object\n"

"ep = select.epoll()\n"

"\n"

"# In this example, use loopback address to send \"stop\" command to the server.\n"

"#\n"

"# $ telnet 127.0.0.1 1234\n"

"# Trying 127.0.0.1...\n"

"# Connected to 127.0.0.1.\n"

"# Escape character is '^]'.\n"

"# stop\n"

"# Connection closed by foreign host.\n"

"#\n"

"sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\n"

"sock.bind((\"127.0.0.1\", 1234))\n"

"sock.setblocking(False)\n"

"sock.listen(1)\n"

"ep.register(sock, select.EPOLLIN)\n"

"\n"

"# Create timer file descriptors in non-blocking mode.\n"

"num = 3\n"

"fds = []\n"

"for _ in range(num):\n"

" fd = os.timerfd_create(time.CLOCK_REALTIME, flags=os.TFD_NONBLOCK)\n"

" fds.append(fd)\n"

" # Register the timer file descriptor for read events\n"

" ep.register(fd, select.EPOLLIN)\n"

"\n"

"# Start the timer with os.timerfd_settime_ns() in nanoseconds.\n"

"# Timer 1 fires every 0.25 seconds; timer 2 every 0.5 seconds; etc\n"

"for i, fd in enumerate(fds, start=1):\n"

" one_sec_in_nsec = 10**9\n"

" i = i * one_sec_in_nsec\n"

" os.timerfd_settime_ns(fd, initial=i//4, interval=i//4)\n"

"\n"

"timeout = 3\n"

"try:\n"

" conn = None\n"

" is_active = True\n"

" while is_active:\n"

" # Wait for the timer to expire for 3 seconds.\n"

" # epoll.poll() returns a list of (fd, event) pairs.\n"

" # fd is a file descriptor.\n"

" # sock and conn[=returned value of socket.accept()] are socket objects, not file descriptors.\n"

" # So use sock.fileno() and conn.fileno() to get the file descriptors.\n"

" events = ep.poll(timeout)\n"

"\n"

" # If more than one timer file descriptors are ready for reading at once,\n"

" # epoll.poll() returns a list of (fd, event) pairs.\n"

" #\n"

" # In this example settings,\n"

" # 1st timer fires every 0.25 seconds in 0.25 seconds. (0.25, 0.5, 0.75, 1.0, ...)\n"

" # 2nd timer every 0.5 seconds in 0.5 seconds. (0.5, 1.0, 1.5, 2.0, ...)\n"

" # 3rd timer every 0.75 seconds in 0.75 seconds. (0.75, 1.5, 2.25, 3.0, ...)\n"

" #\n"

" # In 0.25 seconds, only 1st timer fires.\n"

" # In 0.5 seconds, 1st timer and 2nd timer fires at once.\n"

" # In 0.75 seconds, 1st timer and 3rd timer fires at once.\n"

" # In 1.5 seconds, 1st timer, 2nd timer and 3rd timer fires at once.\n"

" #\n"

" # If a timer file descriptor is signaled more than once since\n"

" # the last os.read() call, os.read() returns the number of signaled\n"

" # as host order of class bytes.\n"

" print(f\"Signaled events={events}\")\n"

" for fd, event in events:\n"

" if event & select.EPOLLIN:\n"

" if fd == sock.fileno():\n"

" # Check if there is a connection request.\n"

" print(f\"Accepting connection {fd}\")\n"

" conn, addr = sock.accept()\n"

" conn.setblocking(False)\n"

" print(f\"Accepted connection {conn} from {addr}\")\n"

" ep.register(conn, select.EPOLLIN)\n"

" elif conn and fd == conn.fileno():\n"

" # Check if there is data to read.\n"

" print(f\"Reading data {fd}\")\n"

" data = conn.recv(1024)\n"

" if data:\n"

" # You should catch UnicodeDecodeError exception for safety.\n"

" cmd = data.decode()\n"

" if cmd.startswith(\"stop\"):\n"

" print(f\"Stopping server\")\n"

" is_active = False\n"

" else:\n"

" print(f\"Unknown command: {cmd}\")\n"

" else:\n"

" # No more data, close connection\n"

" print(f\"Closing connection {fd}\")\n"

" ep.unregister(conn)\n"

" conn.close()\n"

" conn = None\n"

" elif fd in fds:\n"

" print(f\"Reading timer {fd}\")\n"

" count = int.from_bytes(os.read(fd, 8), byteorder=sys.byteorder)\n"

" print(f\"Timer {fds.index(fd) + 1} expired {count} times\")\n"

" else:\n"

" print(f\"Unknown file descriptor {fd}\")\n"

"finally:\n"

" for fd in fds:\n"

" ep.unregister(fd)\n"

" os.close(fd)\n"

" ep.close()"

msgid "This example shows how :func:`~select.select` can be used with timer file descriptors to wait until the file descriptor is ready for reading:"

msgstr "این مثال نشان می‌دهد که چگونه می‌توان از :func:`~select.select` همراه با توصیف‌گرهای پرونده زمان‌سنج برای منتظر ماندن تا زمانی که توصیف‌گر پرونده برای خواندن آماده شود، استفاده کرد:"

msgid ""

"import os, time, select, socket, sys\n"

"\n"

"# In this example, use loopback address to send \"stop\" command to the server.\n"

"#\n"

"# $ telnet 127.0.0.1 1234\n"

"# Trying 127.0.0.1...\n"

"# Connected to 127.0.0.1.\n"

"# Escape character is '^]'.\n"

"# stop\n"

"# Connection closed by foreign host.\n"

"#\n"

"sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\n"

"sock.bind((\"127.0.0.1\", 1234))\n"

"sock.setblocking(False)\n"

"sock.listen(1)\n"

"\n"

"# Create timer file descriptors in non-blocking mode.\n"

"num = 3\n"

"fds = [os.timerfd_create(time.CLOCK_REALTIME, flags=os.TFD_NONBLOCK)\n"

" for _ in range(num)]\n"

"select_fds = fds + [sock]\n"

"\n"

"# Start the timers with os.timerfd_settime() in seconds.\n"

"# Timer 1 fires every 0.25 seconds; timer 2 every 0.5 seconds; etc\n"

"for i, fd in enumerate(fds, start=1):\n"

" os.timerfd_settime(fd, initial=i/4, interval=i/4)\n"

"\n"

"timeout = 3\n"

"try:\n"

" conn = None\n"

" is_active = True\n"

" while is_active:\n"

" # Wait for the timer to expire for 3 seconds.\n"

" # select.select() returns a list of file descriptors or objects.\n"

" rfd, wfd, xfd = select.select(select_fds, select_fds, select_fds, timeout)\n"

" for fd in rfd:\n"

" if fd == sock:\n"

" # Check if there is a connection request.\n"

" print(f\"Accepting connection {fd}\")\n"

" conn, addr = sock.accept()\n"

" conn.setblocking(False)\n"

" print(f\"Accepted connection {conn} from {addr}\")\n"

" select_fds.append(conn)\n"

" elif conn and fd == conn:\n"

" # Check if there is data to read.\n"

" print(f\"Reading data {fd}\")\n"

" data = conn.recv(1024)\n"

" if data:\n"

" # You should catch UnicodeDecodeError exception for safety.\n"

" cmd = data.decode()\n"

" if cmd.startswith(\"stop\"):\n"

" print(f\"Stopping server\")\n"

" is_active = False\n"

" else:\n"

" print(f\"Unknown command: {cmd}\")\n"

" else:\n"

" # No more data, close connection\n"

" print(f\"Closing connection {fd}\")\n"

" select_fds.remove(conn)\n"

" conn.close()\n"

" conn = None\n"

" elif fd in fds:\n"

" print(f\"Reading timer {fd}\")\n"

" count = int.from_bytes(os.read(fd, 8), byteorder=sys.byteorder)\n"

" print(f\"Timer {fds.index(fd) + 1} expired {count} times\")\n"

" else:\n"

" print(f\"Unknown file descriptor {fd}\")\n"

"finally:\n"

" for fd in fds:\n"

" os.close(fd)\n"

" sock.close()\n"

" sock = None"

msgstr ""

"import os, time, select, socket, sys\n"

"\n"

"# In this example, use loopback address to send \"stop\" command to the server.\n"

"#\n"

"# $ telnet 127.0.0.1 1234\n"

"# Trying 127.0.0.1...\n"

"# Connected to 127.0.0.1.\n"

"# Escape character is '^]'.\n"

"# stop\n"

"# Connection closed by foreign host.\n"

"#\n"

"sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\n"

"sock.bind((\"127.0.0.1\", 1234))\n"

"sock.setblocking(False)\n"

"sock.listen(1)\n"

"\n"

"# Create timer file descriptors in non-blocking mode.\n"

"num = 3\n"

"fds = [os.timerfd_create(time.CLOCK_REALTIME, flags=os.TFD_NONBLOCK)\n"

" for _ in range(num)]\n"

"select_fds = fds + [sock]\n"

"\n"

"# Start the timers with os.timerfd_settime() in seconds.\n"

"# Timer 1 fires every 0.25 seconds; timer 2 every 0.5 seconds; etc\n"

"for i, fd in enumerate(fds, start=1):\n"

" os.timerfd_settime(fd, initial=i/4, interval=i/4)\n"

"\n"

"timeout = 3\n"

"try:\n"

" conn = None\n"

" is_active = True\n"

" while is_active:\n"

" # Wait for the timer to expire for 3 seconds.\n"

" # select.select() returns a list of file descriptors or objects.\n"

" rfd, wfd, xfd = select.select(select_fds, select_fds, select_fds, timeout)\n"

" for fd in rfd:\n"

" if fd == sock:\n"

" # Check if there is a connection request.\n"

" print(f\"Accepting connection {fd}\")\n"

" conn, addr = sock.accept()\n"

" conn.setblocking(False)\n"

" print(f\"Accepted connection {conn} from {addr}\")\n"

" select_fds.append(conn)\n"

" elif conn and fd == conn:\n"

" # Check if there is data to read.\n"

" print(f\"Reading data {fd}\")\n"

" data = conn.recv(1024)\n"

" if data:\n"

" # You should catch UnicodeDecodeError exception for safety.\n"

" cmd = data.decode()\n"

" if cmd.startswith(\"stop\"):\n"

" print(f\"Stopping server\")\n"

" is_active = False\n"

" else:\n"

" print(f\"Unknown command: {cmd}\")\n"

" else:\n"

" # No more data, close connection\n"

" print(f\"Closing connection {fd}\")\n"

" select_fds.remove(conn)\n"

" conn.close()\n"

" conn = None\n"

" elif fd in fds:\n"

" print(f\"Reading timer {fd}\")\n"

" count = int.from_bytes(os.read(fd, 8), byteorder=sys.byteorder)\n"

" print(f\"Timer {fds.index(fd) + 1} expired {count} times\")\n"

" else:\n"

" print(f\"Unknown file descriptor {fd}\")\n"

"finally:\n"

" for fd in fds:\n"

" os.close(fd)\n"

" sock.close()\n"

" sock = None"