From 06763ac9acc39023511ac017414809eb90c6bd8f Mon Sep 17 00:00:00 2001
From: Markus Unterwaditzer <markus@unterwaditzer.net>
Date: Sat, 10 Oct 2015 20:38:02 +0200
Subject: [PATCH 1/2] Introduce raw_terminal

---
 click/_termui_impl.py | 23 ++++++++++++++++-------
 click/termui.py       |  5 +++++
 2 files changed, 21 insertions(+), 7 deletions(-)

diff --git a/click/_termui_impl.py b/click/_termui_impl.py
index a4e421ecb..323b0c248 100644
--- a/click/_termui_impl.py
+++ b/click/_termui_impl.py
@@ -13,7 +13,7 @@
 import sys
 import time
 import math
-
+import contextlib
 from ._compat import _default_text_stdout, range_type, PY2, isatty, \
      open_stream, strip_ansi, term_len, get_best_encoding, WIN, int_types, \
      CYGWIN
@@ -525,6 +525,10 @@ def _translate_ch_to_exc(ch):
 if WIN:
     import msvcrt
 
+    @contextlib.contextmanager
+    def raw_terminal():
+        yield
+
     def getchar(echo):
         rv = msvcrt.getch()
         if echo:
@@ -541,7 +545,8 @@ def getchar(echo):
     import tty
     import termios
 
-    def getchar(echo):
+    @contextlib.contextmanager
+    def raw_terminal():
         if not isatty(sys.stdin):
             f = open('/dev/tty')
             fd = f.fileno()
@@ -552,9 +557,7 @@ def getchar(echo):
             old_settings = termios.tcgetattr(fd)
             try:
                 tty.setraw(fd)
-                ch = os.read(fd, 32)
-                if echo and isatty(sys.stdout):
-                    sys.stdout.write(ch)
+                yield fd
             finally:
                 termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
                 sys.stdout.flush()
@@ -562,5 +565,11 @@ def getchar(echo):
                     f.close()
         except termios.error:
             pass
-        _translate_ch_to_exc(ch)
-        return ch.decode(get_best_encoding(sys.stdin), 'replace')
+
+    def getchar(echo):
+        with raw_terminal():
+            ch = os.read(fd, 32)
+            if echo and isatty(sys.stdout):
+                sys.stdout.write(ch)
+            _translate_ch_to_exc(ch)
+            return ch.decode(get_best_encoding(sys.stdin), 'replace')
diff --git a/click/termui.py b/click/termui.py
index f3dee0bdb..98bf6bd31 100644
--- a/click/termui.py
+++ b/click/termui.py
@@ -567,6 +567,11 @@ def getchar(echo=False):
     return f(echo)
 
 
+def raw_terminal():
+    from ._termui_impl import raw_terminal as f
+    return f()
+
+
 def pause(info='Press any key to continue ...', err=False):
     """This command stops execution and waits for the user to press any
     key to continue.  This is similar to the Windows batch "pause"

From 622e85fbf5032a699217485f2089481f4d5abd53 Mon Sep 17 00:00:00 2001
From: JosiahDub <josiahwhite@gmail.com>
Date: Tue, 15 May 2018 10:48:13 -0400
Subject: [PATCH 2/2] with raw_terminal() needs an as fd to fully work.

---
 click/_termui_impl.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/click/_termui_impl.py b/click/_termui_impl.py
index 323b0c248..f44db5900 100644
--- a/click/_termui_impl.py
+++ b/click/_termui_impl.py
@@ -567,7 +567,7 @@ def raw_terminal():
             pass
 
     def getchar(echo):
-        with raw_terminal():
+        with raw_terminal() as fd:
             ch = os.read(fd, 32)
             if echo and isatty(sys.stdout):
                 sys.stdout.write(ch)