Updates

ETB-API/venv/lib/python3.12/site-packages/amqp/platform.py

@@ -0,0 +1,79 @@
+"""Platform compatibility."""
+
+import platform
+import re
+import sys
+# Jython does not have this attribute
+import typing
+
+try:
+    from socket import SOL_TCP
+except ImportError:  # pragma: no cover
+    from socket import IPPROTO_TCP as SOL_TCP  # noqa
+
+
+RE_NUM = re.compile(r'(\d+).+')
+
+
+def _linux_version_to_tuple(s: str) -> typing.Tuple[int, int, int]:
+    return tuple(map(_versionatom, s.split('.')[:3]))
+
+
+def _versionatom(s: str) -> int:
+    if s.isdigit():
+        return int(s)
+    match = RE_NUM.match(s)
+    return int(match.groups()[0]) if match else 0
+
+
+# available socket options for TCP level
+KNOWN_TCP_OPTS = {
+    'TCP_CORK', 'TCP_DEFER_ACCEPT', 'TCP_KEEPCNT',
+    'TCP_KEEPIDLE', 'TCP_KEEPINTVL', 'TCP_LINGER2',
+    'TCP_MAXSEG', 'TCP_NODELAY', 'TCP_QUICKACK',
+    'TCP_SYNCNT', 'TCP_USER_TIMEOUT', 'TCP_WINDOW_CLAMP',
+}
+
+LINUX_VERSION = None
+if sys.platform.startswith('linux'):
+    LINUX_VERSION = _linux_version_to_tuple(platform.release())
+    if LINUX_VERSION < (2, 6, 37):
+        KNOWN_TCP_OPTS.remove('TCP_USER_TIMEOUT')
+
+    # Windows Subsystem for Linux is an edge-case: the Python socket library
+    # returns most TCP_* enums, but they aren't actually supported
+    if platform.release().endswith("Microsoft"):
+        KNOWN_TCP_OPTS = {'TCP_NODELAY', 'TCP_KEEPIDLE', 'TCP_KEEPINTVL',
+                          'TCP_KEEPCNT'}
+
+elif sys.platform.startswith('darwin'):
+    KNOWN_TCP_OPTS.remove('TCP_USER_TIMEOUT')
+
+elif 'bsd' in sys.platform:
+    KNOWN_TCP_OPTS.remove('TCP_USER_TIMEOUT')
+
+# According to MSDN Windows platforms support getsockopt(TCP_MAXSSEG) but not
+# setsockopt(TCP_MAXSEG) on IPPROTO_TCP sockets.
+elif sys.platform.startswith('win'):
+    KNOWN_TCP_OPTS = {'TCP_NODELAY'}
+
+elif sys.platform.startswith('cygwin'):
+    KNOWN_TCP_OPTS = {'TCP_NODELAY'}
+
+    # illumos does not allow to set the TCP_MAXSEG socket option,
+    # even if the Oracle documentation says otherwise.
+    # TCP_USER_TIMEOUT does not exist on Solaris 11.4
+elif sys.platform.startswith('sunos'):
+    KNOWN_TCP_OPTS.remove('TCP_MAXSEG')
+    KNOWN_TCP_OPTS.remove('TCP_USER_TIMEOUT')
+
+# aix does not allow to set the TCP_MAXSEG
+# or the TCP_USER_TIMEOUT socket options.
+elif sys.platform.startswith('aix'):
+    KNOWN_TCP_OPTS.remove('TCP_MAXSEG')
+    KNOWN_TCP_OPTS.remove('TCP_USER_TIMEOUT')
+__all__ = (
+    'LINUX_VERSION',
+    'SOL_TCP',
+    'KNOWN_TCP_OPTS',
+)