diff --git a/Lib/socket.py b/Lib/socket.py
index 9207101dcf9d58..be37c24d6174a2 100644
--- a/Lib/socket.py
+++ b/Lib/socket.py
@@ -52,7 +52,9 @@
import _socket
from _socket import *
-import os, sys, io, selectors
+import io
+import os
+import sys
from enum import IntEnum, IntFlag
try:
@@ -110,102 +112,103 @@ def _intenum_converter(value, enum_klass):
# WSA error codes
if sys.platform.lower().startswith("win"):
- errorTab = {}
- errorTab[6] = "Specified event object handle is invalid."
- errorTab[8] = "Insufficient memory available."
- errorTab[87] = "One or more parameters are invalid."
- errorTab[995] = "Overlapped operation aborted."
- errorTab[996] = "Overlapped I/O event object not in signaled state."
- errorTab[997] = "Overlapped operation will complete later."
- errorTab[10004] = "The operation was interrupted."
- errorTab[10009] = "A bad file handle was passed."
- errorTab[10013] = "Permission denied."
- errorTab[10014] = "A fault occurred on the network??" # WSAEFAULT
- errorTab[10022] = "An invalid operation was attempted."
- errorTab[10024] = "Too many open files."
- errorTab[10035] = "The socket operation would block."
- errorTab[10036] = "A blocking operation is already in progress."
- errorTab[10037] = "Operation already in progress."
- errorTab[10038] = "Socket operation on nonsocket."
- errorTab[10039] = "Destination address required."
- errorTab[10040] = "Message too long."
- errorTab[10041] = "Protocol wrong type for socket."
- errorTab[10042] = "Bad protocol option."
- errorTab[10043] = "Protocol not supported."
- errorTab[10044] = "Socket type not supported."
- errorTab[10045] = "Operation not supported."
- errorTab[10046] = "Protocol family not supported."
- errorTab[10047] = "Address family not supported by protocol family."
- errorTab[10048] = "The network address is in use."
- errorTab[10049] = "Cannot assign requested address."
- errorTab[10050] = "Network is down."
- errorTab[10051] = "Network is unreachable."
- errorTab[10052] = "Network dropped connection on reset."
- errorTab[10053] = "Software caused connection abort."
- errorTab[10054] = "The connection has been reset."
- errorTab[10055] = "No buffer space available."
- errorTab[10056] = "Socket is already connected."
- errorTab[10057] = "Socket is not connected."
- errorTab[10058] = "The network has been shut down."
- errorTab[10059] = "Too many references."
- errorTab[10060] = "The operation timed out."
- errorTab[10061] = "Connection refused."
- errorTab[10062] = "Cannot translate name."
- errorTab[10063] = "The name is too long."
- errorTab[10064] = "The host is down."
- errorTab[10065] = "The host is unreachable."
- errorTab[10066] = "Directory not empty."
- errorTab[10067] = "Too many processes."
- errorTab[10068] = "User quota exceeded."
- errorTab[10069] = "Disk quota exceeded."
- errorTab[10070] = "Stale file handle reference."
- errorTab[10071] = "Item is remote."
- errorTab[10091] = "Network subsystem is unavailable."
- errorTab[10092] = "Winsock.dll version out of range."
- errorTab[10093] = "Successful WSAStartup not yet performed."
- errorTab[10101] = "Graceful shutdown in progress."
- errorTab[10102] = "No more results from WSALookupServiceNext."
- errorTab[10103] = "Call has been canceled."
- errorTab[10104] = "Procedure call table is invalid."
- errorTab[10105] = "Service provider is invalid."
- errorTab[10106] = "Service provider failed to initialize."
- errorTab[10107] = "System call failure."
- errorTab[10108] = "Service not found."
- errorTab[10109] = "Class type not found."
- errorTab[10110] = "No more results from WSALookupServiceNext."
- errorTab[10111] = "Call was canceled."
- errorTab[10112] = "Database query was refused."
- errorTab[11001] = "Host not found."
- errorTab[11002] = "Nonauthoritative host not found."
- errorTab[11003] = "This is a nonrecoverable error."
- errorTab[11004] = "Valid name, no data record requested type."
- errorTab[11005] = "QoS receivers."
- errorTab[11006] = "QoS senders."
- errorTab[11007] = "No QoS senders."
- errorTab[11008] = "QoS no receivers."
- errorTab[11009] = "QoS request confirmed."
- errorTab[11010] = "QoS admission error."
- errorTab[11011] = "QoS policy failure."
- errorTab[11012] = "QoS bad style."
- errorTab[11013] = "QoS bad object."
- errorTab[11014] = "QoS traffic control error."
- errorTab[11015] = "QoS generic error."
- errorTab[11016] = "QoS service type error."
- errorTab[11017] = "QoS flowspec error."
- errorTab[11018] = "Invalid QoS provider buffer."
- errorTab[11019] = "Invalid QoS filter style."
- errorTab[11020] = "Invalid QoS filter style."
- errorTab[11021] = "Incorrect QoS filter count."
- errorTab[11022] = "Invalid QoS object length."
- errorTab[11023] = "Incorrect QoS flow count."
- errorTab[11024] = "Unrecognized QoS object."
- errorTab[11025] = "Invalid QoS policy object."
- errorTab[11026] = "Invalid QoS flow descriptor."
- errorTab[11027] = "Invalid QoS provider-specific flowspec."
- errorTab[11028] = "Invalid QoS provider-specific filterspec."
- errorTab[11029] = "Invalid QoS shape discard mode object."
- errorTab[11030] = "Invalid QoS shaping rate object."
- errorTab[11031] = "Reserved policy QoS element type."
+ errorTab = {
+ 6: "Specified event object handle is invalid.",
+ 8: "Insufficient memory available.",
+ 87: "One or more parameters are invalid.",
+ 995: "Overlapped operation aborted.",
+ 996: "Overlapped I/O event object not in signaled state.",
+ 997: "Overlapped operation will complete later.",
+ 10004: "The operation was interrupted.",
+ 10009: "A bad file handle was passed.",
+ 10013: "Permission denied.",
+ 10014: "A fault occurred on the network??",
+ 10022: "An invalid operation was attempted.",
+ 10024: "Too many open files.",
+ 10035: "The socket operation would block.",
+ 10036: "A blocking operation is already in progress.",
+ 10037: "Operation already in progress.",
+ 10038: "Socket operation on nonsocket.",
+ 10039: "Destination address required.",
+ 10040: "Message too long.",
+ 10041: "Protocol wrong type for socket.",
+ 10042: "Bad protocol option.",
+ 10043: "Protocol not supported.",
+ 10044: "Socket type not supported.",
+ 10045: "Operation not supported.",
+ 10046: "Protocol family not supported.",
+ 10047: "Address family not supported by protocol family.",
+ 10048: "The network address is in use.",
+ 10049: "Cannot assign requested address.",
+ 10050: "Network is down.",
+ 10051: "Network is unreachable.",
+ 10052: "Network dropped connection on reset.",
+ 10053: "Software caused connection abort.",
+ 10054: "The connection has been reset.",
+ 10055: "No buffer space available.",
+ 10056: "Socket is already connected.",
+ 10057: "Socket is not connected.",
+ 10058: "The network has been shut down.",
+ 10059: "Too many references.",
+ 10060: "The operation timed out.",
+ 10061: "Connection refused.",
+ 10062: "Cannot translate name.",
+ 10063: "The name is too long.",
+ 10064: "The host is down.",
+ 10065: "The host is unreachable.",
+ 10066: "Directory not empty.",
+ 10067: "Too many processes.",
+ 10068: "User quota exceeded.",
+ 10069: "Disk quota exceeded.",
+ 10070: "Stale file handle reference.",
+ 10071: "Item is remote.",
+ 10091: "Network subsystem is unavailable.",
+ 10092: "Winsock.dll version out of range.",
+ 10093: "Successful WSAStartup not yet performed.",
+ 10101: "Graceful shutdown in progress.",
+ 10102: "No more results from WSALookupServiceNext.",
+ 10103: "Call has been canceled.",
+ 10104: "Procedure call table is invalid.",
+ 10105: "Service provider is invalid.",
+ 10106: "Service provider failed to initialize.",
+ 10107: "System call failure.",
+ 10108: "Service not found.",
+ 10109: "Class type not found.",
+ 10110: "No more results from WSALookupServiceNext.",
+ 10111: "Call was canceled.",
+ 10112: "Database query was refused.",
+ 11001: "Host not found.",
+ 11002: "Nonauthoritative host not found.",
+ 11003: "This is a nonrecoverable error.",
+ 11004: "Valid name, no data record requested type.",
+ 11005: "QoS receivers.",
+ 11006: "QoS senders.",
+ 11007: "No QoS senders.",
+ 11008: "QoS no receivers.",
+ 11009: "QoS request confirmed.",
+ 11010: "QoS admission error.",
+ 11011: "QoS policy failure.",
+ 11012: "QoS bad style.",
+ 11013: "QoS bad object.",
+ 11014: "QoS traffic control error.",
+ 11015: "QoS generic error.",
+ 11016: "QoS service type error.",
+ 11017: "QoS flowspec error.",
+ 11018: "Invalid QoS provider buffer.",
+ 11019: "Invalid QoS filter style.",
+ 11020: "Invalid QoS filter style.",
+ 11021: "Incorrect QoS filter count.",
+ 11022: "Invalid QoS object length.",
+ 11023: "Incorrect QoS flow count.",
+ 11024: "Unrecognized QoS object.",
+ 11025: "Invalid QoS policy object.",
+ 11026: "Invalid QoS flow descriptor.",
+ 11027: "Invalid QoS provider-specific flowspec.",
+ 11028: "Invalid QoS provider-specific filterspec.",
+ 11029: "Invalid QoS shape discard mode object.",
+ 11030: "Invalid QoS shaping rate object.",
+ 11031: "Reserved policy QoS element type."
+ }
__all__.append("errorTab")
@@ -348,6 +351,9 @@ def makefile(self, mode="r", buffering=None, *,
if hasattr(os, 'sendfile'):
def _sendfile_use_sendfile(self, file, offset=0, count=None):
+ # Lazy import to improve module import time
+ import selectors
+
self._check_sendfile_params(file, offset, count)
sockno = self.fileno()
try:
@@ -549,20 +555,18 @@ def fromfd(fd, family, type, proto=0):
return socket(family, type, proto, nfd)
if hasattr(_socket.socket, "sendmsg"):
- import array
-
def send_fds(sock, buffers, fds, flags=0, address=None):
""" send_fds(sock, buffers, fds[, flags[, address]]) -> integer
Send the list of file descriptors fds over an AF_UNIX socket.
"""
+ import array
+
return sock.sendmsg(buffers, [(_socket.SOL_SOCKET,
_socket.SCM_RIGHTS, array.array("i", fds))])
__all__.append("send_fds")
if hasattr(_socket.socket, "recvmsg"):
- import array
-
def recv_fds(sock, bufsize, maxfds, flags=0):
""" recv_fds(sock, bufsize, maxfds[, flags]) -> (data, list of file
descriptors, msg_flags, address)
@@ -570,6 +574,8 @@ def recv_fds(sock, bufsize, maxfds, flags=0):
Receive up to maxfds file descriptors returning the message
data and a list containing the descriptors.
"""
+ import array
+
# Array of ints
fds = array.array("i")
msg, ancdata, flags, addr = sock.recvmsg(bufsize,
diff --git a/Misc/NEWS.d/next/Library/2024-07-06-12-37-10.gh-issue-121423.vnxrl4.rst b/Misc/NEWS.d/next/Library/2024-07-06-12-37-10.gh-issue-121423.vnxrl4.rst
new file mode 100644
index 00000000000000..0fd89a99681292
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2024-07-06-12-37-10.gh-issue-121423.vnxrl4.rst
@@ -0,0 +1,2 @@
+Improve import time of :mod:`socket` by lazy importing modules and
+writing :data:`!socket.errorTab` as a constant.
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