diff -Nur Python-2.7.13.orig/Include/iscygpty.h Python-2.7.13/Include/iscygpty.h

--- Python-2.7.13.orig/Include/iscygpty.h	1970-01-01 01:00:00.000000000 +0100

+++ Python-2.7.13/Include/iscygpty.h	2017-08-19 15:50:22.584217400 +0200

@@ -0,0 +1,41 @@

+/*

+ * iscygpty.h -- part of ptycheck

+ * https://github.com/k-takata/ptycheck

+ *

+ * Copyright (c) 2015-2017 K.Takata

+ *

+ * You can redistribute it and/or modify it under the terms of either

+ * the MIT license (as described below) or the Vim license.

+ *

+ * Permission is hereby granted, free of charge, to any person obtaining

+ * a copy of this software and associated documentation files (the

+ * "Software"), to deal in the Software without restriction, including

+ * without limitation the rights to use, copy, modify, merge, publish,

+ * distribute, sublicense, and/or sell copies of the Software, and to

+ * permit persons to whom the Software is furnished to do so, subject to

+ * the following conditions:

+ *

+ * The above copyright notice and this permission notice shall be

+ * included in all copies or substantial portions of the Software.

+ *

+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY

+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

+ */

+

+#ifndef _ISCYGPTY_H

+#define _ISCYGPTY_H

+

+#ifdef _WIN32

+int is_cygpty(int fd);

+int is_cygpty_used(void);

+#else

+#define is_cygpty(fd)		0

+#define is_cygpty_used()	0

+#endif

+

+#endif /* _ISCYGPTY_H */

Binary files Python-2.7.13.orig/Lib/encodings/cp850.pyc and Python-2.7.13/Lib/encodings/cp850.pyc differ

Binary files Python-2.7.13.orig/Lib/io.pyc and Python-2.7.13/Lib/io.pyc differ

diff -Nur Python-2.7.13.orig/Makefile.pre.in Python-2.7.13/Makefile.pre.in

--- Python-2.7.13.orig/Makefile.pre.in	2017-08-19 14:39:02.676420600 +0200

+++ Python-2.7.13/Makefile.pre.in	2017-08-19 15:57:17.883971100 +0200

@@ -87,7 +87,7 @@

 # Extra C flags added for building the interpreter object files.

 CFLAGSFORSHARED=@CFLAGSFORSHARED@

 # C flags used for building the interpreter object files

-PY_CFLAGS=	$(CFLAGS) $(CPPFLAGS) $(CFLAGSFORSHARED) -DPy_BUILD_CORE

+PY_CFLAGS=	$(CFLAGS) $(CPPFLAGS) $(CFLAGSFORSHARED) -DPy_BUILD_CORE -D_WIN32_WINNT=0x0600

 # ; on Windows otherwise :

 DELIM=		@DELIM@

@@ -350,6 +350,7 @@

 		Python/graminit.o \

 		Python/import.o \

 		Python/importdl.o \

+		Python/iscygpty.o \

 		Python/marshal.o \

 		Python/modsupport.o \

 		Python/mystrtoul.o \

@@ -804,6 +805,7 @@

 		Include/import.h \

 		Include/intobject.h \

 		Include/intrcheck.h \

+		Include/iscygpty.h \

 		Include/iterobject.h \

 		Include/listobject.h \

 		Include/longintrepr.h \

diff -Nur Python-2.7.13.orig/Modules/_io/fileio.c Python-2.7.13/Modules/_io/fileio.c

--- Python-2.7.13.orig/Modules/_io/fileio.c	2016-12-17 21:05:07.000000000 +0100

+++ Python-2.7.13/Modules/_io/fileio.c	2017-08-19 16:07:42.329687400 +0200

@@ -13,6 +13,7 @@

 #endif

 #include <stddef.h> /* For offsetof */

 #include "_iomodule.h"

+#include "iscygpty.h"

 /*

  * Known likely problems:

@@ -953,7 +954,7 @@

     if (self->fd < 0)

         return err_closed();

     Py_BEGIN_ALLOW_THREADS

-    res = isatty(self->fd);

+    res = isatty(self->fd) || is_cygpty(self->fd);

     Py_END_ALLOW_THREADS

     return PyBool_FromLong(res);

 }

diff -Nur Python-2.7.13.orig/Modules/posixmodule.c Python-2.7.13/Modules/posixmodule.c

--- Python-2.7.13.orig/Modules/posixmodule.c	2017-08-19 14:39:02.303399300 +0200

+++ Python-2.7.13/Modules/posixmodule.c	2017-08-19 16:06:05.867170100 +0200

@@ -369,6 +369,8 @@

 #endif

 #endif

+#include "iscygpty.h"

+

 #ifndef MS_WINDOWS

 PyObject *

@@ -6977,7 +6979,7 @@

         return NULL;

     if (!_PyVerify_fd(fd))

         return PyBool_FromLong(0);

-    return PyBool_FromLong(isatty(fd));

+    return PyBool_FromLong(isatty(fd) || is_cygpty(fd));

 }

 #ifdef HAVE_PIPE

diff -Nur Python-2.7.13.orig/Modules/readline.c Python-2.7.13/Modules/readline.c

--- Python-2.7.13.orig/Modules/readline.c	2016-12-17 21:05:07.000000000 +0100

+++ Python-2.7.13/Modules/readline.c	2017-08-19 16:15:38.831941800 +0200

@@ -6,6 +6,7 @@

 /* Standard definitions */

 #include "Python.h"

+#include "iscygpty.h"

 #include <setjmp.h>

 #include <signal.h>

 #include <errno.h>

@@ -1204,6 +1205,11 @@

 {

     PyObject *m;

+    if (!is_cygpty(STDOUT_FILENO)) {

+        PyErr_SetString(PyExc_ImportError, "Not a cygwin terminal");

+        return;

+    }

+

 #ifdef __APPLE__

     if (strncmp(rl_library_version, libedit_version_tag, strlen(libedit_version_tag)) == 0) {

         using_libedit_emulation = 1;

diff -Nur Python-2.7.13.orig/Objects/fileobject.c Python-2.7.13/Objects/fileobject.c

--- Python-2.7.13.orig/Objects/fileobject.c	2016-12-17 21:05:07.000000000 +0100

+++ Python-2.7.13/Objects/fileobject.c	2017-08-19 16:13:45.925483900 +0200

@@ -3,6 +3,7 @@

 #define PY_SSIZE_T_CLEAN

 #include "Python.h"

 #include "structmember.h"

+#include "iscygpty.h"

 #ifdef HAVE_SYS_TYPES_H

 #include <sys/types.h>

@@ -986,7 +987,7 @@

     if (f->f_fp == NULL)

         return err_closed();

     FILE_BEGIN_ALLOW_THREADS(f)

-    res = isatty((int)fileno(f->f_fp));

+    res = isatty((int)fileno(f->f_fp)) || is_cygpty((int)fileno(f->f_fp));

     FILE_END_ALLOW_THREADS(f)

     return PyBool_FromLong(res);

 }

diff -Nur Python-2.7.13.orig/Python/bltinmodule.c Python-2.7.13/Python/bltinmodule.c

--- Python-2.7.13.orig/Python/bltinmodule.c	2016-12-17 21:05:07.000000000 +0100

+++ Python-2.7.13/Python/bltinmodule.c	2017-08-19 16:02:12.832841300 +0200

@@ -2,6 +2,7 @@

 #include "Python.h"

 #include "Python-ast.h"

+#include "iscygpty.h"

 #include "node.h"

 #include "code.h"

diff -Nur Python-2.7.13.orig/Python/frozenmain.c Python-2.7.13/Python/frozenmain.c

--- Python-2.7.13.orig/Python/frozenmain.c	2016-12-17 21:05:07.000000000 +0100

+++ Python-2.7.13/Python/frozenmain.c	2017-08-19 16:03:06.009882800 +0200

@@ -2,6 +2,7 @@

 /* Python interpreter main program for frozen scripts */

 #include "Python.h"

+#include "iscygpty.h"

 #ifdef MS_WINDOWS

 extern void PyWinFreeze_ExeInit(void);

@@ -58,7 +59,7 @@

     else

         sts = 0;

-    if (inspect && isatty((int)fileno(stdin)))

+    if (inspect && (isatty((int)fileno(stdin)) || is_cygpty((int)fileno(stdin))))

         sts = PyRun_AnyFile(stdin, "<stdin>") != 0;

 #ifdef MS_WINDOWS

diff -Nur Python-2.7.13.orig/Python/iscygpty.c Python-2.7.13/Python/iscygpty.c

--- Python-2.7.13.orig/Python/iscygpty.c	1970-01-01 01:00:00.000000000 +0100

+++ Python-2.7.13/Python/iscygpty.c	2017-08-19 15:50:12.959666900 +0200

@@ -0,0 +1,185 @@

+/*

+ * iscygpty.c -- part of ptycheck

+ * https://github.com/k-takata/ptycheck

+ *

+ * Copyright (c) 2015-2017 K.Takata

+ *

+ * You can redistribute it and/or modify it under the terms of either

+ * the MIT license (as described below) or the Vim license.

+ *

+ * Permission is hereby granted, free of charge, to any person obtaining

+ * a copy of this software and associated documentation files (the

+ * "Software"), to deal in the Software without restriction, including

+ * without limitation the rights to use, copy, modify, merge, publish,

+ * distribute, sublicense, and/or sell copies of the Software, and to

+ * permit persons to whom the Software is furnished to do so, subject to

+ * the following conditions:

+ *

+ * The above copyright notice and this permission notice shall be

+ * included in all copies or substantial portions of the Software.

+ *

+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY

+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

+ */

+

+#ifdef _WIN32

+

+#include <ctype.h>

+#include <io.h>

+#include <wchar.h>

+#include <windows.h>

+

+#ifdef USE_FILEEXTD

+/* VC 7.1 or earlier doesn't support SAL. */

+# if !defined(_MSC_VER) || (_MSC_VER < 1400)

+#  define __out

+#  define __in

+#  define __in_opt

+# endif

+/* Win32 FileID API Library:

+ * http://www.microsoft.com/en-us/download/details.aspx?id=22599

+ * Needed for WinXP. */

+# include <fileextd.h>

+#else /* USE_FILEEXTD */

+/* VC 8 or earlier. */

+# if defined(_MSC_VER) && (_MSC_VER < 1500)

+#  ifdef ENABLE_STUB_IMPL

+#   define STUB_IMPL

+#  else

+#   error "Win32 FileID API Library is required for VC2005 or earlier."

+#  endif

+# endif

+#endif /* USE_FILEEXTD */

+

+

+#include "iscygpty.h"

+

+//#define USE_DYNFILEID

+#ifdef USE_DYNFILEID

+typedef BOOL (WINAPI *pfnGetFileInformationByHandleEx)(

+		HANDLE                    hFile,

+		FILE_INFO_BY_HANDLE_CLASS FileInformationClass,

+		LPVOID                    lpFileInformation,

+		DWORD                     dwBufferSize

+);

+static pfnGetFileInformationByHandleEx pGetFileInformationByHandleEx = NULL;

+

+# ifndef USE_FILEEXTD

+static BOOL WINAPI stub_GetFileInformationByHandleEx(

+		HANDLE                    hFile,

+		FILE_INFO_BY_HANDLE_CLASS FileInformationClass,

+		LPVOID                    lpFileInformation,

+		DWORD                     dwBufferSize

+		)

+{

+	return FALSE;

+}

+# endif

+

+static void setup_fileid_api(void)

+{

+	if (pGetFileInformationByHandleEx != NULL) {

+		return;

+	}

+	pGetFileInformationByHandleEx = (pfnGetFileInformationByHandleEx)

+		GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),

+				"GetFileInformationByHandleEx");

+	if (pGetFileInformationByHandleEx == NULL) {

+# ifdef USE_FILEEXTD

+		pGetFileInformationByHandleEx = GetFileInformationByHandleEx;

+# else

+		pGetFileInformationByHandleEx = stub_GetFileInformationByHandleEx;

+# endif

+	}

+}

+#else

+# define pGetFileInformationByHandleEx	GetFileInformationByHandleEx

+# define setup_fileid_api()

+#endif

+

+

+#define is_wprefix(s, prefix) \

+	(wcsncmp((s), (prefix), sizeof(prefix) / sizeof(WCHAR) - 1) == 0)

+

+/* Check if the fd is a cygwin/msys's pty. */

+int is_cygpty(int fd)

+{

+#ifdef STUB_IMPL

+	return 0;

+#else

+	HANDLE h;

+	int size = sizeof(FILE_NAME_INFO) + sizeof(WCHAR) * MAX_PATH;

+	FILE_NAME_INFO *nameinfo;

+	WCHAR *p = NULL;

+

+	setup_fileid_api();

+

+	h = (HANDLE) _get_osfhandle(fd);

+	if (h == INVALID_HANDLE_VALUE) {

+		return 0;

+	}

+	/* Cygwin/msys's pty is a pipe. */

+	if (GetFileType(h) != FILE_TYPE_PIPE) {

+		return 0;

+	}

+	nameinfo = malloc(size);

+	if (nameinfo == NULL) {

+		return 0;

+	}

+	/* Check the name of the pipe:

+	 * '\{cygwin,msys}-XXXXXXXXXXXXXXXX-ptyN-{from,to}-master' */

+	if (pGetFileInformationByHandleEx(h, FileNameInfo, nameinfo, size)) {

+		nameinfo->FileName[nameinfo->FileNameLength / sizeof(WCHAR)] = L'\0';

+		p = nameinfo->FileName;

+		if (is_wprefix(p, L"\\cygwin-")) {		/* Cygwin */

+			p += 8;

+		} else if (is_wprefix(p, L"\\msys-")) {	/* MSYS and MSYS2 */

+			p += 6;

+		} else {

+			p = NULL;

+		}

+		if (p != NULL) {

+			while (*p && isxdigit(*p))	/* Skip 16-digit hexadecimal. */

+				++p;

+			if (is_wprefix(p, L"-pty")) {

+				p += 4;

+			} else {

+				p = NULL;

+			}

+		}

+		if (p != NULL) {

+			while (*p && isdigit(*p))	/* Skip pty number. */

+				++p;

+			if (is_wprefix(p, L"-from-master")) {

+				//p += 12;

+			} else if (is_wprefix(p, L"-to-master")) {

+				//p += 10;

+			} else {

+				p = NULL;

+			}

+		}

+	}

+	free(nameinfo);

+	return (p != NULL);

+#endif /* STUB_IMPL */

+}

+

+/* Check if at least one cygwin/msys pty is used. */

+int is_cygpty_used(void)

+{

+	int fd, ret = 0;

+

+	for (fd = 0; fd < 3; fd++) {

+		ret |= is_cygpty(fd);

+	}

+	return ret;

+}

+

+#endif /* _WIN32 */

+

+/* vim: set ts=4 sw=4: */

diff -Nur Python-2.7.13.orig/Python/pythonrun.c Python-2.7.13/Python/pythonrun.c

--- Python-2.7.13.orig/Python/pythonrun.c	2017-08-19 14:39:02.294398800 +0200

+++ Python-2.7.13/Python/pythonrun.c	2017-08-19 15:54:43.491140400 +0200

@@ -18,6 +18,7 @@

 #include "eval.h"

 #include "marshal.h"

 #include "abstract.h"

+#include "iscygpty.h"

 #ifdef HAVE_SIGNAL_H

 #include <signal.h>

@@ -1864,7 +1865,7 @@

 int

 Py_FdIsInteractive(FILE *fp, const char *filename)

 {

-    if (isatty((int)fileno(fp)))

+    if (isatty((int)fileno(fp)) || is_cygpty((int)fileno(fp)))

         return 1;

     if (!Py_InteractiveFlag)

         return 0;

diff -Nur Python-2.7.13.orig/setup.py Python-2.7.13/setup.py

--- Python-2.7.13.orig/setup.py	2017-08-19 14:39:10.682878600 +0200

+++ Python-2.7.13/setup.py	2017-08-19 16:16:38.642362700 +0200

@@ -655,8 +655,10 @@

         # Python 3.1 _io library

         exts.append( Extension("_io",

             ["_io/bufferedio.c", "_io/bytesio.c", "_io/fileio.c",

-             "_io/iobase.c", "_io/_iomodule.c", "_io/stringio.c", "_io/textio.c"],

-             depends=["_io/_iomodule.h"], include_dirs=["Modules/_io"]))

+             "_io/iobase.c", "_io/_iomodule.c", "_io/stringio.c", "_io/textio.c",

+             "../Python/iscygpty.c"],

+             depends=["_io/_iomodule.h"], include_dirs=["Modules/_io"],

+             extra_compile_args=["-D_WIN32_WINNT=0x0600"]))

         # _functools

         # On win32 host(mingw build in MSYS environment) show that site.py

         # fail to load if some modules are not build-in:

@@ -841,10 +843,11 @@

                                                      [sr + '/lib/termcap' for sr in with_build_sysroots],

                                                      'termcap'):

                 readline_libs.append('termcap')

-            exts.append( Extension('readline', ['readline.c'],

+            exts.append( Extension('readline', ['readline.c', '../Python/iscygpty.c'],

                                    library_dirs=[sr + '/lib/termcap' for sr in with_build_sysroots],

                                    extra_link_args=readline_extra_link_args,

-                                   libraries=readline_libs) )

+                                   libraries=readline_libs,

+                                   extra_compile_args=["-D_WIN32_WINNT=0x0600"]) )

         else:

             missing.append('readline')