diff --git a/stdlib/2.7/Cookie.pyi b/stdlib/2.7/Cookie.pyi
new file mode 100644
index 000000000000..2aea075c0ceb
--- /dev/null
+++ b/stdlib/2.7/Cookie.pyi
@@ -0,0 +1,44 @@
+# Stubs for Cookie (Python 2)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from typing import Any
+
+class CookieError(Exception): ...
+
+class Morsel(dict):
+    key = ... # type: Any
+    def __init__(self): ...
+    def __setitem__(self, K, V): ...
+    def isReservedKey(self, K): ...
+    value = ... # type: Any
+    coded_value = ... # type: Any
+    def set(self, key, val, coded_val, LegalChars=..., idmap=..., translate=...): ...
+    def output(self, attrs=None, header=''): ...
+    def js_output(self, attrs=None): ...
+    def OutputString(self, attrs=None): ...
+
+class BaseCookie(dict):
+    def value_decode(self, val): ...
+    def value_encode(self, val): ...
+    def __init__(self, input=None): ...
+    def __setitem__(self, key, value): ...
+    def output(self, attrs=None, header='', sep=''): ...
+    def js_output(self, attrs=None): ...
+    def load(self, rawdata): ...
+
+class SimpleCookie(BaseCookie):
+    def value_decode(self, val): ...
+    def value_encode(self, val): ...
+
+class SerialCookie(BaseCookie):
+    def __init__(self, input=None): ...
+    def value_decode(self, val): ...
+    def value_encode(self, val): ...
+
+class SmartCookie(BaseCookie):
+    def __init__(self, input=None): ...
+    def value_decode(self, val): ...
+    def value_encode(self, val): ...
+
+Cookie = ... # type: Any
diff --git a/stdlib/2.7/__future__.pyi b/stdlib/2.7/__future__.pyi
index e863874b010c..065057b89264 100644
--- a/stdlib/2.7/__future__.pyi
+++ b/stdlib/2.7/__future__.pyi
@@ -1,4 +1,8 @@
-class _Feature: ...
+from sys import _version_info
+
+class _Feature:
+    def getOptionalRelease(self) -> _version_info: ...
+    def getMandatoryRelease(self) -> _version_info: ...
 
 absolute_import = None  # type: _Feature
 division = None  # type: _Feature
diff --git a/stdlib/2.7/_weakref.pyi b/stdlib/2.7/_weakref.pyi
index d2c457bdea6a..cf676344eaf9 100644
--- a/stdlib/2.7/_weakref.pyi
+++ b/stdlib/2.7/_weakref.pyi
@@ -1,4 +1,6 @@
-from typing import Any, Callable
+from typing import Any, Callable, Generic, Optional, TypeVar
+
+_T = TypeVar('_T')
 
 class CallableProxyType(object):  # "weakcallableproxy"
   pass
@@ -6,10 +8,13 @@ class CallableProxyType(object):  # "weakcallableproxy"
 class ProxyType(object):  # "weakproxy"
   pass
 
-class ReferenceType(object):  # "weakref"
-  pass
+class ReferenceType(Generic[_T]):
+    # TODO rest of members
+    def __call__(self) -> Optional[_T]:
+        ...
 
-ref = ReferenceType
+def ref(o: _T, callback: Callable[[ReferenceType[_T]],
+                                 Any] = ...) -> ReferenceType[_T]: ...
 
 def getweakrefcount(object: Any) -> int: ...
 def getweakrefs(object: Any) -> int: ...
diff --git a/stdlib/2.7/email/_parseaddr.pyi b/stdlib/2.7/email/_parseaddr.pyi
new file mode 100644
index 000000000000..dcb59d13c73a
--- /dev/null
+++ b/stdlib/2.7/email/_parseaddr.pyi
@@ -0,0 +1,44 @@
+# Stubs for email._parseaddr (Python 2)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from typing import Any
+
+def parsedate_tz(data): ...
+def parsedate(data): ...
+def mktime_tz(data): ...
+def quote(str): ...
+
+class AddrlistClass:
+    specials = ... # type: Any
+    pos = ... # type: Any
+    LWS = ... # type: Any
+    CR = ... # type: Any
+    FWS = ... # type: Any
+    atomends = ... # type: Any
+    phraseends = ... # type: Any
+    field = ... # type: Any
+    commentlist = ... # type: Any
+    def __init__(self, field): ...
+    def gotonext(self): ...
+    def getaddrlist(self): ...
+    def getaddress(self): ...
+    def getrouteaddr(self): ...
+    def getaddrspec(self): ...
+    def getdomain(self): ...
+    def getdelimited(self, beginchar, endchars, allowcomments=True): ...
+    def getquote(self): ...
+    def getcomment(self): ...
+    def getdomainliteral(self): ...
+    def getatom(self, atomends=None): ...
+    def getphraselist(self): ...
+
+class AddressList(AddrlistClass):
+    addresslist = ... # type: Any
+    def __init__(self, field): ...
+    def __len__(self): ...
+    def __add__(self, other): ...
+    def __iadd__(self, other): ...
+    def __sub__(self, other): ...
+    def __isub__(self, other): ...
+    def __getitem__(self, index): ...
diff --git a/stdlib/2.7/email/utils.pyi b/stdlib/2.7/email/utils.pyi
new file mode 100644
index 000000000000..33e8894bb7fb
--- /dev/null
+++ b/stdlib/2.7/email/utils.pyi
@@ -0,0 +1,22 @@
+# Stubs for email.utils (Python 2)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from email._parseaddr import AddressList as _AddressList
+from email._parseaddr import mktime_tz as mktime_tz
+from email._parseaddr import parsedate as _parsedate
+from email._parseaddr import parsedate_tz as _parsedate_tz
+from quopri import decodestring as _qdecode
+
+def formataddr(pair): ...
+def getaddresses(fieldvalues): ...
+def formatdate(timeval=None, localtime=False, usegmt=False): ...
+def make_msgid(idstring=None): ...
+def parsedate(data): ...
+def parsedate_tz(data): ...
+def parseaddr(addr): ...
+def unquote(str): ...
+def decode_rfc2231(s): ...
+def encode_rfc2231(s, charset=None, language=None): ...
+def decode_params(params): ...
+def collapse_rfc2231_value(value, errors='', fallback_charset=''): ...
diff --git a/stdlib/2.7/genericpath.pyi b/stdlib/2.7/genericpath.pyi
new file mode 100644
index 000000000000..85f1c0f84174
--- /dev/null
+++ b/stdlib/2.7/genericpath.pyi
@@ -0,0 +1,14 @@
+# Stubs for genericpath (Python 2)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+class _unicode: ...
+
+def exists(path): ...
+def isfile(path): ...
+def isdir(s): ...
+def getsize(filename): ...
+def getmtime(filename): ...
+def getatime(filename): ...
+def getctime(filename): ...
+def commonprefix(m): ...
diff --git a/stdlib/2.7/hmac.pyi b/stdlib/2.7/hmac.pyi
index eafa030b5053..65282cd5a831 100644
--- a/stdlib/2.7/hmac.pyi
+++ b/stdlib/2.7/hmac.pyi
@@ -1,6 +1,6 @@
 # Stubs for hmac (Python 2)
 
-from typing import Any
+from typing import Any, AnyStr
 
 class HMAC:
     def update(self, msg: str) -> None: ...
@@ -9,3 +9,5 @@ class HMAC:
     def copy(self) -> HMAC: ...
 
 def new(key: str, msg: str = ..., digestmod: Any = ...) -> HMAC: ...
+
+def compare_digest(a: AnyStr, b: AnyStr) -> bool: ...
diff --git a/stdlib/2.7/linecache.pyi b/stdlib/2.7/linecache.pyi
new file mode 100644
index 000000000000..98597889e3a1
--- /dev/null
+++ b/stdlib/2.7/linecache.pyi
@@ -0,0 +1,7 @@
+# Stubs for linecache (Python 2)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+def getline(filename, lineno, module_globals=None): ...
+def clearcache(): ...
+def checkcache(filename=None): ...
diff --git a/stdlib/2.7/locale.pyi b/stdlib/2.7/locale.pyi
new file mode 100644
index 000000000000..b79617e64202
--- /dev/null
+++ b/stdlib/2.7/locale.pyi
@@ -0,0 +1,33 @@
+# Stubs for locale (Python 2)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from typing import Any
+from _locale import *
+
+class _unicode: ...
+
+CHAR_MAX = ... # type: Any
+LC_ALL = ... # type: Any
+LC_COLLATE = ... # type: Any
+LC_CTYPE = ... # type: Any
+LC_MESSAGES = ... # type: Any
+LC_MONETARY = ... # type: Any
+LC_NUMERIC = ... # type: Any
+LC_TIME = ... # type: Any
+Error = ... # type: Any
+
+def localeconv(): ...
+def strcoll(a, b): ...
+def strxfrm(s): ...
+def format(percent, value, grouping=False, monetary=False, *additional): ...
+def format_string(f, val, grouping=False): ...
+def currency(val, symbol=True, grouping=False, international=False): ...
+def str(val): ...
+def atof(string, func=...): ...
+def atoi(str): ...
+def normalize(localename): ...
+def getdefaultlocale(envvars=...): ...
+def getlocale(category=...): ...
+def resetlocale(category=...): ...
+def getpreferredencoding(do_setlocale=True): ...
diff --git a/stdlib/2.7/mimetypes.pyi b/stdlib/2.7/mimetypes.pyi
new file mode 100644
index 000000000000..a06fcd9a967d
--- /dev/null
+++ b/stdlib/2.7/mimetypes.pyi
@@ -0,0 +1,26 @@
+# Stubs for mimetypes (Python 2)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from typing import Any
+
+class MimeTypes:
+    encodings_map = ... # type: Any
+    suffix_map = ... # type: Any
+    types_map = ... # type: Any
+    types_map_inv = ... # type: Any
+    def __init__(self, filenames=..., strict=True): ...
+    def add_type(self, type, ext, strict=True): ...
+    def guess_type(self, url, strict=True): ...
+    def guess_all_extensions(self, type, strict=True): ...
+    def guess_extension(self, type, strict=True): ...
+    def read(self, filename, strict=True): ...
+    def readfp(self, fp, strict=True): ...
+    def read_windows_registry(self, strict=True): ...
+
+def guess_type(url, strict=True): ...
+def guess_all_extensions(type, strict=True): ...
+def guess_extension(type, strict=True): ...
+def add_type(type, ext, strict=True): ...
+def init(files=None): ...
+def read_mime_types(file): ...
diff --git a/stdlib/2.7/multiprocessing/__init__.pyi b/stdlib/2.7/multiprocessing/__init__.pyi
new file mode 100644
index 000000000000..91754a3f1ec7
--- /dev/null
+++ b/stdlib/2.7/multiprocessing/__init__.pyi
@@ -0,0 +1,32 @@
+# Stubs for multiprocessing (Python 2)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from multiprocessing.process import Process as Process, current_process as current_process, active_children as active_children
+from multiprocessing.util import SUBDEBUG as SUBDEBUG, SUBWARNING as SUBWARNING
+
+class ProcessError(Exception): ...
+class BufferTooShort(ProcessError): ...
+class TimeoutError(ProcessError): ...
+class AuthenticationError(ProcessError): ...
+
+def Manager(): ...
+def Pipe(duplex=True): ...
+def cpu_count(): ...
+def freeze_support(): ...
+def get_logger(): ...
+def log_to_stderr(level=None): ...
+def allow_connection_pickling(): ...
+def Lock(): ...
+def RLock(): ...
+def Condition(lock=None): ...
+def Semaphore(value=1): ...
+def BoundedSemaphore(value=1): ...
+def Event(): ...
+def Queue(maxsize=0): ...
+def JoinableQueue(maxsize=0): ...
+def Pool(processes=None, initializer=None, initargs=..., maxtasksperchild=None): ...
+def RawValue(typecode_or_type, *args): ...
+def RawArray(typecode_or_type, size_or_initializer): ...
+def Value(typecode_or_type, *args, **kwds): ...
+def Array(typecode_or_type, size_or_initializer, **kwds): ...
diff --git a/stdlib/2.7/multiprocessing/process.pyi b/stdlib/2.7/multiprocessing/process.pyi
new file mode 100644
index 000000000000..a4650cf57796
--- /dev/null
+++ b/stdlib/2.7/multiprocessing/process.pyi
@@ -0,0 +1,39 @@
+# Stubs for multiprocessing.process (Python 2)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from typing import Any
+
+def current_process(): ...
+def active_children(): ...
+
+class Process:
+    def __init__(self, group=None, target=None, name=None, args=..., kwargs=...): ...
+    def run(self): ...
+    def start(self): ...
+    def terminate(self): ...
+    def join(self, timeout=None): ...
+    def is_alive(self): ...
+    @property
+    def name(self): ...
+    @name.setter
+    def name(self, name): ...
+    @property
+    def daemon(self): ...
+    @daemon.setter
+    def daemon(self, daemonic): ...
+    @property
+    def authkey(self): ...
+    @authkey.setter
+    def authkey(self, authkey): ...
+    @property
+    def exitcode(self): ...
+    @property
+    def ident(self): ...
+    pid = ... # type: Any
+
+class AuthenticationString(bytes):
+    def __reduce__(self): ...
+
+class _MainProcess(Process):
+    def __init__(self): ...
diff --git a/stdlib/2.7/multiprocessing/util.pyi b/stdlib/2.7/multiprocessing/util.pyi
new file mode 100644
index 000000000000..d52860c83bb8
--- /dev/null
+++ b/stdlib/2.7/multiprocessing/util.pyi
@@ -0,0 +1,33 @@
+# Stubs for multiprocessing.util (Python 2)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from typing import Any
+import threading
+
+SUBDEBUG = ... # type: Any
+SUBWARNING = ... # type: Any
+
+def sub_debug(msg, *args): ...
+def debug(msg, *args): ...
+def info(msg, *args): ...
+def sub_warning(msg, *args): ...
+def get_logger(): ...
+def log_to_stderr(level=None): ...
+def get_temp_dir(): ...
+def register_after_fork(obj, func): ...
+
+class Finalize:
+    def __init__(self, obj, callback, args=..., kwargs=None, exitpriority=None): ...
+    def __call__(self, wr=None): ...
+    def cancel(self): ...
+    def still_active(self): ...
+
+def is_exiting(): ...
+
+class ForkAwareThreadLock:
+    def __init__(self): ...
+
+class ForkAwareLocal(threading.local):
+    def __init__(self): ...
+    def __reduce__(self): ...
diff --git a/stdlib/2.7/posixpath.pyi b/stdlib/2.7/posixpath.pyi
new file mode 100644
index 000000000000..5b6d64df63a1
--- /dev/null
+++ b/stdlib/2.7/posixpath.pyi
@@ -0,0 +1,50 @@
+# Stubs for posixpath (Python 2)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from typing import Any
+from genericpath import *
+
+curdir = ... # type: Any
+pardir = ... # type: Any
+extsep = ... # type: Any
+sep = ... # type: Any
+pathsep = ... # type: Any
+defpath = ... # type: Any
+altsep = ... # type: Any
+devnull = ... # type: Any
+
+def normcase(s): ...
+def isabs(s): ...
+def join(a, *p): ...
+def split(p): ...
+def splitext(p): ...
+def splitdrive(p): ...
+def basename(p): ...
+def dirname(p): ...
+def islink(path): ...
+def lexists(path): ...
+def samefile(f1, f2): ...
+def sameopenfile(fp1, fp2): ...
+def samestat(s1, s2): ...
+def ismount(path): ...
+def walk(top, func, arg): ...
+def expanduser(path): ...
+def expandvars(path): ...
+def normpath(path): ...
+def abspath(path): ...
+def realpath(filename): ...
+
+supports_unicode_filenames = ... # type: Any
+
+def relpath(path, start=...): ...
+
+# Names in __all__ with no definition:
+#   commonprefix
+#   exists
+#   getatime
+#   getctime
+#   getmtime
+#   getsize
+#   isdir
+#   isfile
diff --git a/stdlib/2.7/quopri.pyi b/stdlib/2.7/quopri.pyi
new file mode 100644
index 000000000000..93ac393da69e
--- /dev/null
+++ b/stdlib/2.7/quopri.pyi
@@ -0,0 +1,8 @@
+# Stubs for quopri (Python 2)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+def encode(input, output, quotetabs, header=0): ...
+def encodestring(s, quotetabs=0, header=0): ...
+def decode(input, output, header=0): ...
+def decodestring(s, header=0): ...
diff --git a/stdlib/2.7/runpy.pyi b/stdlib/2.7/runpy.pyi
new file mode 100644
index 000000000000..ecc7f47c9474
--- /dev/null
+++ b/stdlib/2.7/runpy.pyi
@@ -0,0 +1,21 @@
+# Stubs for runpy (Python 2)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from typing import Any
+
+class _TempModule:
+    mod_name = ... # type: Any
+    module = ... # type: Any
+    def __init__(self, mod_name): ...
+    def __enter__(self): ...
+    def __exit__(self, *args): ...
+
+class _ModifiedArgv0:
+    value = ... # type: Any
+    def __init__(self, value): ...
+    def __enter__(self): ...
+    def __exit__(self, *args): ...
+
+def run_module(mod_name, init_globals=None, run_name=None, alter_sys=False): ...
+def run_path(path_name, init_globals=None, run_name=None): ...
diff --git a/stdlib/2.7/ssl.pyi b/stdlib/2.7/ssl.pyi
index c6ca2fa0c170..103fc45cc922 100644
--- a/stdlib/2.7/ssl.pyi
+++ b/stdlib/2.7/ssl.pyi
@@ -1,5 +1,190 @@
-# Stubs for ssl (incomplete)
+# Stubs for ssl (Python 2)
 
-import socket
+from typing import Any
+from socket import socket, error as socket_error
+from collections import namedtuple
 
-class SSLError(socket.error): ...
+class SSLError(OSError): ...
+class SSLEOFError(SSLError): ...
+class SSLSyscallError(SSLError): ...
+class SSLWantReadError(SSLError): ...
+class SSLWantWriteError(SSLError): ...
+class SSLZeroReturnError(SSLError): ...
+
+OPENSSL_VERSION = ... # type: str
+OPENSSL_VERSION_INFO = ... # type: Any
+OPENSSL_VERSION_NUMBER = ... # type: int
+
+VERIFY_CRL_CHECK_CHAIN = ... # type: int
+VERIFY_CRL_CHECK_LEAF = ... # type: int
+VERIFY_DEFAULT = ... # type: int
+VERIFY_X509_STRICT = ... # type: int
+
+ALERT_DESCRIPTION_ACCESS_DENIED = ... # type: int
+ALERT_DESCRIPTION_BAD_CERTIFICATE = ... # type: int
+ALERT_DESCRIPTION_BAD_CERTIFICATE_HASH_VALUE = ... # type: int
+ALERT_DESCRIPTION_BAD_CERTIFICATE_STATUS_RESPONSE = ... # type: int
+ALERT_DESCRIPTION_BAD_RECORD_MAC = ... # type: int
+ALERT_DESCRIPTION_CERTIFICATE_EXPIRED = ... # type: int
+ALERT_DESCRIPTION_CERTIFICATE_REVOKED = ... # type: int
+ALERT_DESCRIPTION_CERTIFICATE_UNKNOWN = ... # type: int
+ALERT_DESCRIPTION_CERTIFICATE_UNOBTAINABLE = ... # type: int
+ALERT_DESCRIPTION_CLOSE_NOTIFY = ... # type: int
+ALERT_DESCRIPTION_DECODE_ERROR = ... # type: int
+ALERT_DESCRIPTION_DECOMPRESSION_FAILURE = ... # type: int
+ALERT_DESCRIPTION_DECRYPT_ERROR = ... # type: int
+ALERT_DESCRIPTION_HANDSHAKE_FAILURE = ... # type: int
+ALERT_DESCRIPTION_ILLEGAL_PARAMETER = ... # type: int
+ALERT_DESCRIPTION_INSUFFICIENT_SECURITY = ... # type: int
+ALERT_DESCRIPTION_INTERNAL_ERROR = ... # type: int
+ALERT_DESCRIPTION_NO_RENEGOTIATION = ... # type: int
+ALERT_DESCRIPTION_PROTOCOL_VERSION = ... # type: int
+ALERT_DESCRIPTION_RECORD_OVERFLOW = ... # type: int
+ALERT_DESCRIPTION_UNEXPECTED_MESSAGE = ... # type: int
+ALERT_DESCRIPTION_UNKNOWN_CA = ... # type: int
+ALERT_DESCRIPTION_UNKNOWN_PSK_IDENTITY = ... # type: int
+ALERT_DESCRIPTION_UNRECOGNIZED_NAME = ... # type: int
+ALERT_DESCRIPTION_UNSUPPORTED_CERTIFICATE = ... # type: int
+ALERT_DESCRIPTION_UNSUPPORTED_EXTENSION = ... # type: int
+ALERT_DESCRIPTION_USER_CANCELLED = ... # type: int
+
+OP_ALL = ... # type: int
+OP_CIPHER_SERVER_PREFERENCE = ... # type: int
+OP_NO_COMPRESSION = ... # type: int
+OP_NO_SSLv2 = ... # type: int
+OP_NO_SSLv3 = ... # type: int
+OP_NO_TLSv1 = ... # type: int
+OP_NO_TLSv1_1 = ... # type: int
+OP_NO_TLSv1_2 = ... # type: int
+OP_SINGLE_DH_USE = ... # type: int
+OP_SINGLE_ECDH_USE = ... # type: int
+
+SSL_ERROR_EOF = ... # type: int
+SSL_ERROR_INVALID_ERROR_CODE = ... # type: int
+SSL_ERROR_SSL = ... # type: int
+SSL_ERROR_SYSCALL = ... # type: int
+SSL_ERROR_WANT_CONNECT = ... # type: int
+SSL_ERROR_WANT_READ = ... # type: int
+SSL_ERROR_WANT_WRITE = ... # type: int
+SSL_ERROR_WANT_X509_LOOKUP = ... # type: int
+SSL_ERROR_ZERO_RETURN = ... # type: int
+
+CERT_NONE = ... # type: int
+CERT_OPTIONAL = ... # type: int
+CERT_REQUIRED = ... # type: int
+
+PROTOCOL_SSLv23 = ... # type: int
+PROTOCOL_SSLv3 = ... # type: int
+PROTOCOL_TLSv1 = ... # type: int
+PROTOCOL_TLSv1_1 = ... # type: int
+PROTOCOL_TLSv1_2 = ... # type: int
+
+HAS_ECDH = ... # type: bool
+HAS_NPN = ... # type: bool
+HAS_SNI = ... # type: bool
+
+CHANNEL_BINDING_TYPES = ... # type: Any
+
+class CertificateError(ValueError): ...
+
+def match_hostname(cert, hostname): ...
+
+DefaultVerifyPaths = namedtuple('DefaultVerifyPaths', 'cafile capath openssl_cafile_env openssl_cafile openssl_capath_env openssl_capath')
+
+def get_default_verify_paths(): ...
+
+class _ASN1Object:
+    def __new__(cls, oid): ...
+    @classmethod
+    def fromnid(cls, nid): ...
+    @classmethod
+    def fromname(cls, name): ...
+
+class Purpose(_ASN1Object):
+    SERVER_AUTH = ... # type: Purpose
+    CLIENT_AUTH = ... # type: Purpose
+
+class _SSLContext:
+    check_hostname = ... # type: Any
+    options = ... # type: Any
+    verify_flags = ... # type: Any
+    verify_mode = ... # type: Any
+    def __init__(self, *args, **kwargs) -> None: ...
+    def _set_npn_protocols(self, *args, **kwargs): ...
+    def _wrap_socket(self, *args, **kwargs): ...
+    def cert_store_stats(self): ...
+    def get_ca_certs(self, binary_form=...): ...
+    def load_cert_chain(self, *args, **kwargs): ...
+    def load_dh_params(self, *args, **kwargs): ...
+    def load_verify_locations(self, *args, **kwargs): ...
+    def session_stats(self, *args, **kwargs): ...
+    def set_ciphers(self, *args, **kwargs): ...
+    def set_default_verify_paths(self, *args, **kwargs): ...
+    def set_ecdh_curve(self, *args, **kwargs): ...
+    def set_servername_callback(self, method): ...
+
+class SSLContext(_SSLContext):
+    def __new__(cls, protocol, *args, **kwargs): ...
+    protocol = ... # type: Any
+    def __init__(self, protocol): ...
+    def wrap_socket(self, sock, server_side=False, do_handshake_on_connect=True, suppress_ragged_eofs=True, server_hostname=None): ...
+    def set_npn_protocols(self, npn_protocols): ...
+    def set_alpn_protocols(self, alpn_protocols): ...
+    def load_default_certs(self, purpose=...): ...
+
+def create_default_context(purpose=..., cafile=None, capath=None, cadata=None): ...
+
+class SSLSocket(socket):
+    keyfile = ... # type: Any
+    certfile = ... # type: Any
+    cert_reqs = ... # type: Any
+    ssl_version = ... # type: Any
+    ca_certs = ... # type: Any
+    ciphers = ... # type: Any
+    server_side = ... # type: Any
+    server_hostname = ... # type: Any
+    do_handshake_on_connect = ... # type: Any
+    suppress_ragged_eofs = ... # type: Any
+    def __init__(self, sock=None, keyfile=None, certfile=None, server_side=False, cert_reqs=..., ssl_version=..., ca_certs=None, do_handshake_on_connect=True, family=..., type=..., proto=0, fileno=None, suppress_ragged_eofs=True, npn_protocols=None, ciphers=None, server_hostname=None, _context=None): ...
+    @property
+    def context(self): ...
+    @context.setter
+    def context(self, ctx): ...
+    def dup(self): ...
+    def read(self, len=0, buffer=None): ...
+    def write(self, data): ...
+    def getpeercert(self, binary_form=False): ...
+    def selected_npn_protocol(self): ...
+    def selected_alpn_protocol(self): ...
+    def cipher(self): ...
+    def compression(self): ...
+    def send(self, data, flags=0): ...
+    def sendto(self, data, flags_or_addr, addr=None): ...
+    def sendall(self, data, flags=0): ...
+    def recv(self, buflen=1024, flags=0): ...
+    def recv_into(self, buffer, nbytes=None, flags=0): ...
+    def recvfrom(self, buflen=1024, flags=0): ...
+    def recvfrom_into(self, buffer, nbytes=None, flags=0): ...
+    def pending(self): ...
+    def shutdown(self, how): ...
+    def close(self): ...
+    def unwrap(self): ...
+    def do_handshake(self, block=False): ...
+    def connect(self, addr): ...
+    def connect_ex(self, addr): ...
+    def accept(self): ...
+    def makefile(self, mode='', bufsize=-1): ...
+    def get_channel_binding(self, cb_type=''): ...
+    def version(self): ...
+
+def wrap_socket(sock, keyfile=None, certfile=None, server_side=False, cert_reqs=..., ssl_version=..., ca_certs=None, do_handshake_on_connect=True, suppress_ragged_eofs=True, ciphers=None): ...
+def cert_time_to_seconds(cert_time): ...
+
+PEM_HEADER = ... # type: Any
+PEM_FOOTER = ... # type: Any
+
+def DER_cert_to_PEM_cert(der_cert_bytes): ...
+def PEM_cert_to_DER_cert(pem_cert_string): ...
+def get_server_certificate(addr, ssl_version=..., ca_certs=None): ...
+def get_protocol_name(protocol_code): ...
+def sslwrap_simple(sock, keyfile=None, certfile=None): ...
diff --git a/stdlib/2.7/subprocess.pyi b/stdlib/2.7/subprocess.pyi
index 4dc24666cee8..ec9f89625707 100644
--- a/stdlib/2.7/subprocess.pyi
+++ b/stdlib/2.7/subprocess.pyi
@@ -29,7 +29,7 @@ class CalledProcessError(Exception):
     cmd = ...  # type: str
     output = ...  # type: str # May be None
 
-    def __init__(self, returncode: int, cmd: str, output: str) -> None: ...
+    def __init__(self, returncode: int, cmd: str, output: str = ...) -> None: ...
 
 class Popen:
     stdin = ... # type: Optional[IO[Any]]
diff --git a/stdlib/2.7/typing.pyi b/stdlib/2.7/typing.pyi
index a666f7604858..3d2e5cefde72 100644
--- a/stdlib/2.7/typing.pyi
+++ b/stdlib/2.7/typing.pyi
@@ -167,6 +167,7 @@ class Mapping(Sized, Iterable[_KT], Container[_KT], Generic[_KT, _VT]):
     def iterkeys(self) -> Iterator[_KT]: ...
     def itervalues(self) -> Iterator[_VT]: ...
     def iteritems(self) -> Iterator[Tuple[_KT, _VT]]: ...
+    def __contains__(self, o: object) -> bool: ...
 
 class MutableMapping(Mapping[_KT, _VT], Generic[_KT, _VT]):
     @abstractmethod
diff --git a/stdlib/2.7/weakref.pyi b/stdlib/2.7/weakref.pyi
new file mode 100644
index 000000000000..4318b3eb9abf
--- /dev/null
+++ b/stdlib/2.7/weakref.pyi
@@ -0,0 +1,66 @@
+# Stubs for weakref (Python 2)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from typing import Any
+import UserDict
+from _weakref import getweakrefcount as getweakrefcount, getweakrefs as getweakrefs, ref as ref, proxy as proxy, CallableProxyType as CallableProxyType, ProxyType as ProxyType, ReferenceType as ReferenceType
+from _weakrefset import WeakSet as WeakSet
+from exceptions import ReferenceError as ReferenceError
+
+ProxyTypes = ... # type: Any
+
+class WeakValueDictionary(UserDict.UserDict):
+    def __init__(self, *args, **kw): ...
+    def __getitem__(self, key): ...
+    def __delitem__(self, key): ...
+    def __contains__(self, key): ...
+    def has_key(self, key): ...
+    def __setitem__(self, key, value): ...
+    def clear(self): ...
+    def copy(self): ...
+    __copy__ = ... # type: Any
+    def __deepcopy__(self, memo): ...
+    def get(self, key, default=None): ...
+    def items(self): ...
+    def iteritems(self): ...
+    def iterkeys(self): ...
+    __iter__ = ... # type: Any
+    def itervaluerefs(self): ...
+    def itervalues(self): ...
+    def popitem(self): ...
+    def pop(self, key, *args): ...
+    def setdefault(self, key, default=None): ...
+    def update(self, dict=None, **kwargs): ...
+    def valuerefs(self): ...
+    def values(self): ...
+
+class KeyedRef(ReferenceType):
+    key = ... # type: Any
+    def __new__(type, ob, callback, key): ...
+    def __init__(self, ob, callback, key): ...
+
+class WeakKeyDictionary(UserDict.UserDict):
+    data = ... # type: Any
+    def __init__(self, dict=None): ...
+    def __delitem__(self, key): ...
+    def __getitem__(self, key): ...
+    def __setitem__(self, key, value): ...
+    def copy(self): ...
+    __copy__ = ... # type: Any
+    def __deepcopy__(self, memo): ...
+    def get(self, key, default=None): ...
+    def has_key(self, key): ...
+    def __contains__(self, key): ...
+    def items(self): ...
+    def iteritems(self): ...
+    def iterkeyrefs(self): ...
+    def iterkeys(self): ...
+    __iter__ = ... # type: Any
+    def itervalues(self): ...
+    def keyrefs(self): ...
+    def keys(self): ...
+    def popitem(self): ...
+    def pop(self, key, *args): ...
+    def setdefault(self, key, default=None): ...
+    def update(self, dict=None, **kwargs): ...
diff --git a/stdlib/2.7/wsgiref/__init__.pyi b/stdlib/2.7/wsgiref/__init__.pyi
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/stdlib/2.7/wsgiref/validate.pyi b/stdlib/2.7/wsgiref/validate.pyi
new file mode 100644
index 000000000000..1fb10b43cdd5
--- /dev/null
+++ b/stdlib/2.7/wsgiref/validate.pyi
@@ -0,0 +1,47 @@
+# Stubs for wsgiref.validate (Python 2)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from typing import Any
+
+class WSGIWarning(Warning): ...
+
+def validator(application): ...
+
+class InputWrapper:
+    input = ... # type: Any
+    def __init__(self, wsgi_input): ...
+    def read(self, *args): ...
+    def readline(self): ...
+    def readlines(self, *args): ...
+    def __iter__(self): ...
+    def close(self): ...
+
+class ErrorWrapper:
+    errors = ... # type: Any
+    def __init__(self, wsgi_errors): ...
+    def write(self, s): ...
+    def flush(self): ...
+    def writelines(self, seq): ...
+    def close(self): ...
+
+class WriteWrapper:
+    writer = ... # type: Any
+    def __init__(self, wsgi_writer): ...
+    def __call__(self, s): ...
+
+class PartialIteratorWrapper:
+    iterator = ... # type: Any
+    def __init__(self, wsgi_iterator): ...
+    def __iter__(self): ...
+
+class IteratorWrapper:
+    original_iterator = ... # type: Any
+    iterator = ... # type: Any
+    closed = ... # type: Any
+    check_start_response = ... # type: Any
+    def __init__(self, wsgi_iterator, check_start_response): ...
+    def __iter__(self): ...
+    def next(self): ...
+    def close(self): ...
+    def __del__(self): ...