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.