Add copy_python_gdb for 3.7.3 and move patches.

Fixes issue introduced in #1283 and #1308.

plugins/python-build/share/python-build/patches/3.2.0/Python-3.2/000_patch-setup.py.diff

@@ -0,0 +1,38 @@
+--- setup.py.orig	2011-07-07 20:26:15.000000000 +0900
++++ setup.py	2011-07-07 20:29:28.735543350 +0900
+@@ -370,12 +370,35 @@
+                 return platform
+         return sys.platform
+ 
++    def add_multiarch_paths(self):
++        # Debian/Ubuntu multiarch support.
++        # https://wiki.ubuntu.com/MultiarchSpec
++        if not find_executable('dpkg-architecture'):
++            return
++        tmpfile = os.path.join(self.build_temp, 'multiarch')
++        if not os.path.exists(self.build_temp):
++            os.makedirs(self.build_temp)
++        ret = os.system(
++            'dpkg-architecture -qDEB_HOST_MULTIARCH > %s 2> /dev/null' %
++            tmpfile)
++        try:
++            if ret >> 8 == 0:
++                with open(tmpfile) as fp:
++                    multiarch_path_component = fp.readline().strip()
++                add_dir_to_list(self.compiler.library_dirs,
++                                '/usr/lib/' + multiarch_path_component)
++                add_dir_to_list(self.compiler.include_dirs,
++                                '/usr/include/' + multiarch_path_component)
++        finally:
++            os.unlink(tmpfile)
++
+     def detect_modules(self):
+         # Ensure that /usr/local is always used, but the local build
+         # directories (i.e. '.' and 'Include') must be first.  See issue
+         # 10520.
+         add_dir_to_list(self.compiler.library_dirs, '/usr/local/lib')
+         add_dir_to_list(self.compiler.include_dirs, '/usr/local/include')
++        self.add_multiarch_paths()
+ 
+         # Add paths specified in the environment variables LDFLAGS and
+         # CPPFLAGS for header and library files.

plugins/python-build/share/python-build/patches/3.2.0/Python-3.2/002_readline63.patch

@@ -0,0 +1,70 @@
+diff -r -u ../Python-3.3.3.orig/Modules/readline.c ./Modules/readline.c
+--- ../Python-3.3.3.orig/Modules/readline.c	2013-11-17 16:23:01.000000000 +0900
++++ ./Modules/readline.c	2014-03-29 16:22:10.219305878 +0900
+@@ -231,8 +231,7 @@
+     if (!PyArg_ParseTuple(args, buf, &function))
+         return NULL;
+     if (function == Py_None) {
+-        Py_XDECREF(*hook_var);
+-        *hook_var = NULL;
++        Py_CLEAR(*hook_var);
+     }
+     else if (PyCallable_Check(function)) {
+         PyObject *tmp = *hook_var;
+@@ -774,14 +773,22 @@
+ }
+ 
+ static int
++#if defined(_RL_FUNCTION_TYPEDEF)
+ on_startup_hook(void)
++#else
++on_startup_hook()
++#endif
+ {
+     return on_hook(startup_hook);
+ }
+ 
+ #ifdef HAVE_RL_PRE_INPUT_HOOK
+ static int
++#if defined(_RL_FUNCTION_TYPEDEF)
+ on_pre_input_hook(void)
++#else
++on_pre_input_hook()
++#endif
+ {
+     return on_hook(pre_input_hook);
+ }
+@@ -819,7 +826,7 @@
+         (r != Py_None && PyLong_AsLong(r) == -1 && PyErr_Occurred())) {
+         goto error;
+     }
+-    Py_XDECREF(r); r=NULL;
++    Py_CLEAR(r);
+ 
+     if (0) {
+     error:
+@@ -877,7 +884,7 @@
+  * before calling the normal completer */
+ 
+ static char **
+-flex_complete(char *text, int start, int end)
++flex_complete(const char *text, int start, int end)
+ {
+ #ifdef HAVE_RL_COMPLETION_APPEND_CHARACTER
+     rl_completion_append_character ='\0';
+@@ -936,12 +943,12 @@
+     rl_bind_key_in_map ('\t', rl_complete, emacs_meta_keymap);
+     rl_bind_key_in_map ('\033', rl_complete, emacs_meta_keymap);
+     /* Set our hook functions */
+-    rl_startup_hook = (Function *)on_startup_hook;
++    rl_startup_hook = on_startup_hook;
+ #ifdef HAVE_RL_PRE_INPUT_HOOK
+-    rl_pre_input_hook = (Function *)on_pre_input_hook;
++    rl_pre_input_hook = on_pre_input_hook;
+ #endif
+     /* Set our completion function */
+-    rl_attempted_completion_function = (CPPFunction *)flex_complete;
++    rl_attempted_completion_function = flex_complete;
+     /* Set Python word break characters */
+     completer_word_break_characters =
+         rl_completer_word_break_characters =

plugins/python-build/share/python-build/patches/3.2.0/Python-3.2/010_ssl_no_ssl2_no_ssl3.patch

@@ -0,0 +1,100 @@
+diff -r -u ../Python-3.2.orig/Lib/ssl.py ./Lib/ssl.py
+--- ../Python-3.2.orig/Lib/ssl.py	2010-10-22 18:19:07.000000000 +0000
++++ ./Lib/ssl.py	2015-12-20 07:12:00.759323661 +0000
+@@ -62,23 +62,26 @@
+ from _ssl import OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_INFO, OPENSSL_VERSION
+ from _ssl import _SSLContext, SSLError
+ from _ssl import CERT_NONE, CERT_OPTIONAL, CERT_REQUIRED
+-from _ssl import (PROTOCOL_SSLv2, PROTOCOL_SSLv3, PROTOCOL_SSLv23,
+-                  PROTOCOL_TLSv1)
+-from _ssl import OP_ALL, OP_NO_SSLv2, OP_NO_SSLv3, OP_NO_TLSv1
+-from _ssl import RAND_status, RAND_egd, RAND_add
+-from _ssl import (
+-    SSL_ERROR_ZERO_RETURN,
+-    SSL_ERROR_WANT_READ,
+-    SSL_ERROR_WANT_WRITE,
+-    SSL_ERROR_WANT_X509_LOOKUP,
+-    SSL_ERROR_SYSCALL,
+-    SSL_ERROR_SSL,
+-    SSL_ERROR_WANT_CONNECT,
+-    SSL_ERROR_EOF,
+-    SSL_ERROR_INVALID_ERROR_CODE,
+-    )
++from _ssl import RAND_status, RAND_add
++try:
++    from _ssl import RAND_egd
++except ImportError:
++    # LibreSSL does not provide RAND_egd
++    pass
++
++def _import_symbols(prefix):
++    for n in dir(_ssl):
++        if n.startswith(prefix):
++            globals()[n] = getattr(_ssl, n)
++
++_import_symbols('OP_')
++_import_symbols('SSL_ERROR_')
++_import_symbols('PROTOCOL_')
++
+ from _ssl import HAS_SNI
+ 
++_PROTOCOL_NAMES = {value: name for name, value in globals().items() if name.startswith('PROTOCOL_')}
++
+ from socket import getnameinfo as _getnameinfo
+ from socket import error as socket_error
+ from socket import socket, AF_INET, SOCK_STREAM
+@@ -518,7 +521,7 @@
+     d = pem_cert_string.strip()[len(PEM_HEADER):-len(PEM_FOOTER)]
+     return base64.decodebytes(d.encode('ASCII', 'strict'))
+ 
+-def get_server_certificate(addr, ssl_version=PROTOCOL_SSLv3, ca_certs=None):
++def get_server_certificate(addr, ssl_version=PROTOCOL_SSLv23, ca_certs=None):
+     """Retrieve the certificate from the server at the specified address,
+     and return it as a PEM-encoded string.
+     If 'ca_certs' is specified, validate the server cert against it.
+diff -r -u ../Python-3.2.orig/Modules/_ssl.c ./Modules/_ssl.c
+--- ../Python-3.2.orig/Modules/_ssl.c	2011-01-29 11:31:20.000000000 +0000
++++ ./Modules/_ssl.c	2015-12-20 07:10:38.285929662 +0000
+@@ -63,8 +63,12 @@
+ };
+ 
+ enum py_ssl_version {
++#ifndef OPENSSL_NO_SSL2
+     PY_SSL_VERSION_SSL2,
++#endif
++#ifndef OPENSSL_NO_SSL3
+     PY_SSL_VERSION_SSL3,
++#endif
+     PY_SSL_VERSION_SSL23,
+     PY_SSL_VERSION_TLS1
+ };
+@@ -1448,10 +1452,14 @@
+     PySSL_BEGIN_ALLOW_THREADS
+     if (proto_version == PY_SSL_VERSION_TLS1)
+         ctx = SSL_CTX_new(TLSv1_method());
++#ifndef OPENSSL_NO_SSL3
+     else if (proto_version == PY_SSL_VERSION_SSL3)
+         ctx = SSL_CTX_new(SSLv3_method());
++#endif
++#ifndef OPENSSL_NO_SSL2
+     else if (proto_version == PY_SSL_VERSION_SSL2)
+         ctx = SSL_CTX_new(SSLv2_method());
++#endif
+     else if (proto_version == PY_SSL_VERSION_SSL23)
+         ctx = SSL_CTX_new(SSLv23_method());
+     else
+@@ -2110,10 +2118,14 @@
+                             PY_SSL_CERT_REQUIRED);
+ 
+     /* protocol versions */
++#ifndef OPENSSL_NO_SSL2
+     PyModule_AddIntConstant(m, "PROTOCOL_SSLv2",
+                             PY_SSL_VERSION_SSL2);
++#endif
++#ifndef OPENSSL_NO_SSL3
+     PyModule_AddIntConstant(m, "PROTOCOL_SSLv3",
+                             PY_SSL_VERSION_SSL3);
++#endif
+     PyModule_AddIntConstant(m, "PROTOCOL_SSLv23",
+                             PY_SSL_VERSION_SSL23);
+     PyModule_AddIntConstant(m, "PROTOCOL_TLSv1",