Drop support for Python 3.6, part 1 (#8250)

* Document that typeshed support 3.7+.
* Don't run tests on Python 3.6.
* Remove Python 3.6 allow lists.
* Merge common allowlist items.

Part of #6189

Author: srittau

.github/workflows/daily.yml

@@ -21,7 +21,7 @@ jobs:
       matrix:
         # macos-11 does not have tcl/tk installed, needed for stubtesting tkinter
         os: ["ubuntu-latest", "windows-latest", "macos-10.15"]
-        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11-dev"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11-dev"]
       fail-fast: false
 
     steps:
@@ -49,7 +49,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: "3.9"
       - name: Install dependencies
         run: pip install $(grep tomli== requirements-tests.txt) termcolor
       - name: Install apt packages

.github/workflows/stubtest_stdlib.yml

@@ -27,7 +27,7 @@ jobs:
       matrix:
         # macos-11 does not have tcl/tk installed, needed for stubtesting tkinter
         os: ["ubuntu-latest", "windows-latest", "macos-10.15"]
-        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11-dev"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11-dev"]
       fail-fast: false
 
     steps:

.github/workflows/tests.yml

@@ -66,7 +66,7 @@ jobs:
     strategy:
       matrix:
         platform: ["linux", "win32", "darwin"]
-        python-version: ["2.7", "3.6", "3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["2.7", "3.7", "3.8", "3.9", "3.10", "3.11"]
       fail-fast: false
     steps:
       - uses: actions/checkout@v3
@@ -82,7 +82,7 @@ jobs:
     strategy:
       matrix:
         python-platform: ["Linux", "Windows", "Darwin"]
-        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
       fail-fast: false
     env:
       PYRIGHT_VERSION: 1.1.255 # Must match pyright_test.py.
@@ -112,7 +112,7 @@ jobs:
           fetch-depth: 0
       - uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: "3.9"
       - name: Install dependencies
         run: pip install $(grep tomli== requirements-tests.txt) termcolor
       - name: Run stubtest

README.md

@@ -17,7 +17,7 @@ contributors can be found in [CONTRIBUTING.md](CONTRIBUTING.md).  **Please read
 it before submitting pull requests; do not report issues with annotations to
 the project the stubs are for, but instead report them here to typeshed.**
 
-Typeshed supports Python versions 2.7 and 3.6 and up.
+Typeshed supports Python versions 2.7 and 3.7 and up.
 
 ## Using
 

tests/mypy_test.py

@@ -28,7 +28,7 @@
 import tomli
 from colors import colored, print_error, print_success_msg
 
-SUPPORTED_VERSIONS = [(3, 11), (3, 10), (3, 9), (3, 8), (3, 7), (3, 6), (2, 7)]
+SUPPORTED_VERSIONS = [(3, 11), (3, 10), (3, 9), (3, 8), (3, 7), (2, 7)]
 SUPPORTED_PLATFORMS = frozenset({"linux", "win32", "darwin"})
 TYPESHED_DIRECTORIES = frozenset({"stdlib", "stubs", "tests", "test_cases", "scripts"})
 

tests/stubtest_allowlists/darwin-py310.txt

@@ -1,4 +1,3 @@
-_?curses.A_ITALIC
 _?curses.color_pair
 webbrowser.MacOSXOSAScript.__init__
 distutils.util.__warningregistry__

tests/stubtest_allowlists/darwin-py311.txt

@@ -1,4 +1,3 @@
-_?curses.A_ITALIC
 _?curses.color_pair
 xxlimited.Xxo.x_exports
 distutils.util.__warningregistry__

tests/stubtest_allowlists/darwin-py36.txt

@@ -1,4 +1,3 @@
-_?curses.A_ITALIC
 ctypes.wintypes
 pwd.getpwnam
 webbrowser.MacOSXOSAScript.__init__

tests/stubtest_allowlists/darwin-py37.txt

@@ -1,4 +1,3 @@
-_?curses.A_ITALIC
 webbrowser.MacOSXOSAScript.__init__
 
 # ==========

tests/stubtest_allowlists/darwin-py38.txt

@@ -1,4 +1,3 @@
-_?curses.A_ITALIC
 webbrowser.MacOSXOSAScript.__init__
 
 # ==========

tests/stubtest_allowlists/darwin-py39.txt

@@ -1,3 +1,5 @@
+_?curses.A_ITALIC
+
 _posixsubprocess.cloexec_pipe
 os.EX_NOTFOUND
 os.SF_MNOWAIT

tests/stubtest_allowlists/darwin.txt

@@ -9,17 +9,14 @@ _collections_abc.ValuesView.__reversed__
 _weakref.ProxyType.__reversed__  # Doesn't really exist
 asyncio.Future.__init__  # Usually initialized from c object
 asyncio.futures.Future.__init__  # Usually initialized from c object
-builtins.dict.get
 builtins.float.__setformat__  # Internal method for CPython test suite
 builtins.property.__set_name__  # Doesn't actually exist
 contextlib.AbstractAsyncContextManager.__class_getitem__
 contextlib.AbstractContextManager.__class_getitem__
-enum.Enum._generate_next_value_
 fractions.Fraction.__new__  # overload is too complicated for stubtest to resolve
 gettext.install
 gettext.translation
 hmac.new  # Stub is a white lie; see comments in the stub
-http.server.SimpleHTTPRequestHandler.__init__  # *args is expanded
 ipaddress.IPv4Interface.hostmask
 ipaddress.IPv6Interface.hostmask
 ipaddress._BaseNetwork.broadcast_address
@@ -31,15 +28,13 @@ platform.uname_result.__match_args__
 platform.uname_result.__new__
 platform.uname_result._fields
 platform.uname_result.processor
-re.Pattern.scanner  # Undocumented and not useful. #6405
 sys.UnraisableHookArgs  # Not exported from sys
 tkinter.Tk.split
 types.GenericAlias.__getattr__
 types.GenericAlias.__mro_entries__
 types.GenericAlias.__call__  # Would be complicated to fix properly, Any could silence problems. #6392
 typing._SpecialForm.__mro_entries__
 typing.ForwardRef._evaluate
-typing._SpecialForm.__init__
 typing._TypedDict.__delitem__
 typing._TypedDict.__ior__
 typing._TypedDict.__or__
@@ -76,9 +71,6 @@ _csv.Reader
 _csv.Writer
 asynchat.__warningregistry__  # Removal planned for 3.12, can add if someone needs this
 bdb.Breakpoint.clearBreakpoints
-distutils.dist.DistributionMetadata.set_classifiers
-distutils.dist.DistributionMetadata.set_keywords
-distutils.dist.DistributionMetadata.set_platforms
 distutils.util.get_host_platform
 functools.partial.__vectorcalloffset__  # undocumented implementation detail
 inspect.Signature.from_builtin  # Removed in 3.11, can add if someone needs this
@@ -89,7 +81,6 @@ multiprocessing.managers.SharedMemoryServer.public
 multiprocessing.managers.SharedMemoryServer.release_segment
 multiprocessing.managers.SharedMemoryServer.shutdown
 multiprocessing.managers.SharedMemoryServer.track_segment
-typing._SpecialForm.__call__
 
 # ==========
 # Related to positional-only arguments
@@ -152,7 +143,6 @@ ast.Index.__new__
 ast.NameConstant.__new__
 ast.Num.__new__
 ast.Str.__new__
-contextvars.Context.__init__
 queue.SimpleQueue.__init__
 xml.etree.ElementTree.XMLParser.__init__
 xml.etree.cElementTree.XMLParser.__init__
@@ -172,21 +162,9 @@ typing.SupportsRound.__init__
 
 ftplib.FTP.trust_server_pasv_ipv4_address  # Dangerous to use, intentionally undocumented, intentionally missing from typeshed. #6154
 os.PathLike.__class_getitem__  # PathLike is a protocol; we don't expect all PathLike classes to implement class_getitem
-ssl.PROTOCOL_SSLv3  # Depends on ssl compilation
-ssl.RAND_egd  # Depends on openssl compilation
 types.CodeType.replace  # stubtest thinks default values are None but None doesn't work at runtime
 _ast.ImportFrom.level  # None on the class, but never None on instances
 ast.ImportFrom.level  # None on the class, but never None on instances
 
-# These enums derive from (str, Enum). See comment in py3_common.txt
-pstats.SortKey.__new__
-tkinter.EventType.__new__
-
 # White lies around defaults
-dataclasses.field
 dataclasses.KW_ONLY
-
-# Runtime signature is incorrect (https://github.com/python/cpython/issues/93021)
-types.ClassMethodDescriptorType.__get__
-types.MethodDescriptorType.__get__
-types.WrapperDescriptorType.__get__

tests/stubtest_allowlists/linux-py36.txt

@@ -16,15 +16,9 @@ _operator.attrgetter.__vectorcalloffset__
 _operator.itemgetter.__vectorcalloffset__
 argparse._MutuallyExclusiveGroup.add_mutually_exclusive_group
 asynchat.__warningregistry__  # Removal planned for 3.12, can add if someone needs this
-builtins.dict.get
 configparser.LegacyInterpolation.__init__
-contextvars.Context.__init__
-distutils.dist.DistributionMetadata.set_classifiers
-distutils.dist.DistributionMetadata.set_keywords
-distutils.dist.DistributionMetadata.set_platforms
 distutils.util.get_host_platform
 enum.Enum.__init__
-enum.Enum._generate_next_value_
 fractions.Fraction.__new__  # overload is too complicated for stubtest to resolve
 ftplib.FTP.trust_server_pasv_ipv4_address
 functools.partial.__vectorcalloffset__
@@ -107,9 +101,7 @@ builtins.property.__set_name__  # Doesn't actually exist
 enum.StrEnum.value  # read-only property at runtime but too magical for stubtest
 hmac.new  # Stub is a white lie; see comments in the stub
 http.HTTPMethod.description  # mutable instance attribute at runtime but we pretend it's a property
-http.server.SimpleHTTPRequestHandler.__init__  # *args is expanded
 pickle.Pickler.reducer_override  # implemented in C pickler
-re.Pattern.scanner  # Undocumented and not useful. #6405
 types.GenericAlias.__call__  # Would be complicated to fix properly, Any could silence problems. #6392
 types.GenericAlias.__getattr__
 types.GenericAlias.__mro_entries__
@@ -152,24 +144,16 @@ xml.etree.ElementTree.XMLParser.__init__
 xml.etree.cElementTree.XMLParser.__init__
 
 os.PathLike.__class_getitem__  # PathLike is a protocol; we don't expect all PathLike classes to implement class_getitem
-ssl.PROTOCOL_SSLv3  # Depends on ssl compilation
-ssl.RAND_egd  # Depends on openssl compilation
 types.CodeType.replace  # stubtest thinks default values are None but None doesn't work at runtime
 _ast.ImportFrom.level  # None on the class, but never None on instances
 ast.ImportFrom.level  # None on the class, but never None on instances
 
-# These enums derive from (str, Enum). See comment in py3_common.txt
-pstats.SortKey.__new__
-tkinter.EventType.__new__
-
 # Treated an alias of a typing class in the stubs,
 # they are generic to type checkers anyway.
 contextlib.AbstractAsyncContextManager.__class_getitem__
 contextlib.AbstractContextManager.__class_getitem__
 
 # Super-special typing primitives
-typing._SpecialForm.__call__
-typing._SpecialForm.__init__
 typing._SpecialForm.__mro_entries__
 typing._TypedDict.__delitem__
 typing._TypedDict.__ior__
@@ -184,7 +168,6 @@ typing._TypedDict.values
 
 # White lies around defaults
 dataclasses.KW_ONLY
-dataclasses.field
 
 # https://github.com/python/mypy/issues/12819 (... in runtime default)
 wsgiref.types.InputStream.read
@@ -198,8 +181,3 @@ wsgiref.types.WSGIApplication
 
 # Really it's mad about dict.get
 wsgiref.types.WSGIEnvironment.get
-
-# Runtime signature is incorrect (https://github.com/python/cpython/issues/93021)
-types.ClassMethodDescriptorType.__get__
-types.MethodDescriptorType.__get__
-types.WrapperDescriptorType.__get__