Add workflow stubtests for macos (#5384)

* Add macos to stubtest

* Add general darwin stubtest exception file

* Adding exceptions and platform ifs

tests/stubtest_whitelists/darwin-py36.txt

@@ -0,0 +1,4 @@
+ctypes.wintypes
+pwd.getpwnam
+ssl.PROTOCOL_SSLv3  # Depends on openssl compilation
+ssl.RAND_egd  # Depends on openssl compilation

tests/stubtest_whitelists/darwin-py37.txt

@@ -0,0 +1,4 @@
+ctypes.wintypes
+pwd.getpwnam
+time.CLOCK_PROF
+time.CLOCK_UPTIME

tests/stubtest_whitelists/darwin-py38.txt

@@ -0,0 +1,2 @@
+time.CLOCK_PROF
+time.CLOCK_UPTIME

tests/stubtest_whitelists/darwin.txt

@@ -0,0 +1,52 @@
+_posixsubprocess.cloexec_pipe
+_?curses.ACS_.* # ACS codes are initialized only after initscr call. 
+_?curses.A_ITALIC  # System dependent
+curses.COLORS  # Initialized after start_color
+curses.COLOR_PAIRS  # Initialized after start_color
+curses.COLS  # Initialized only after initscr call. 
+curses.LINES  # Initialized only after initscr call. 
+distutils.command.bdist_msi  # msi is only available on windows
+grp.getgrgid
+grp.struct_group._asdict
+grp.struct_group._make
+grp.struct_group._replace
+os.EX_NOTFOUND
+os.SF_MNOWAIT
+os.SF_NODISKIO
+os.SF_SYNC
+posix.sched_param  # system dependent. Unclear if macos has it.
+posix.EX_NOTFOUND
+posix.XATTR.*  # Value seems to be in docs but not defined in github macos
+readline.append_history_file  # not defined in macos
+select.kqueue.__init__  # default C signature is wrong
+select.KQ_FILTER_NETDEV  # system dependent
+select.POLLMSG   # system dependent
+socket.socketpair
+time.CLOCK_HIGHRES
+
+# ==========
+# Whitelist entries that cannot or should not be fixed
+# ==========
+
+# Modules that do not exist on macos systems
+_msi
+_winapi
+asyncio.windows_events
+asyncio.windows_utils
+msilib(.[a-z]+)?
+msvcrt
+winreg
+winsound
+ossaudiodev
+spwd
+
+# NamedTuple like, but not actually NamedTuples
+posix.[a-z]+_(param|result)._(asdict|make|replace)
+
+# Platform differences that cannot be captured by the type system
+fcntl.[A-Z0-9_]+
+os.SCHED_[A-Z_]+
+
+# Loadable SQLite extensions are disabled on GitHub runners
+(sqlite3(.dbapi2)?.Connection.enable_load_extension)?
+(sqlite3(.dbapi2)?.Connection.load_extension)?

tests/stubtest_whitelists/linux-py310.txt

@@ -1,2 +0,0 @@
-locale.nl_langinfo
-posixpath.realpath

tests/stubtest_whitelists/win32.txt

@@ -3,7 +3,6 @@ locale.[A-Z0-9_]+  # Constants that should be moved to _locale and re-exported c
 locale.nl_langinfo  # Function that should be moved to _locale and re-exported conditionally
 os.path.join  # Parameter name mismatch
 posixpath.altsep  # Type mismatch
-posixpath.realpath  # Parameter name mismatch
 urllib.request.pathname2url  # Parameter name mismatch
 urllib.request.url2pathname  # Same