Update from 2013.01 to 2013.07

[karo-tx-uboot.git] / tools / patman / terminal.py

diff --git a/tools/patman/terminal.py b/tools/patman/terminal.py
index 838c82845f45d6776ad453f8758118bdbd58a3cd..597d526861ad2db2f37fce5a6e3377c77b4c8ef4 100644 (file)
--- a/tools/patman/terminal.py
+++ b/tools/patman/terminal.py
@@ -1,22 +1,6 @@
 # Copyright (c) 2011 The Chromium OS Authors.
 #
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
+# SPDX-License-Identifier:     GPL-2.0+
 #
 
 """Terminal utilities
@@ -24,24 +8,32 @@
 This module handles terminal interaction including ANSI color codes.
 """
 
+import os
+import sys
+
+# Selection of when we want our output to be colored
+COLOR_IF_TERMINAL, COLOR_ALWAYS, COLOR_NEVER = range(3)
+
 class Color(object):
   """Conditionally wraps text in ANSI color escape sequences."""
   BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE = range(8)
   BOLD = -1
-  COLOR_START = '\033[1;%dm'
+  BRIGHT_START = '\033[1;%dm'
+  NORMAL_START = '\033[22;%dm'
   BOLD_START = '\033[1m'
   RESET = '\033[0m'
 
-  def __init__(self, enabled=True):
+  def __init__(self, colored=COLOR_IF_TERMINAL):
     """Create a new Color object, optionally disabling color output.
 
     Args:
       enabled: True if color output should be enabled. If False then this
         class will not add color codes at all.
     """
-    self._enabled = enabled
+    self._enabled = (colored == COLOR_ALWAYS or
+        (colored == COLOR_IF_TERMINAL and os.isatty(sys.stdout.fileno())))
 
-  def Start(self, color):
+  def Start(self, color, bright=True):
     """Returns a start color code.
 
     Args:
@@ -52,7 +44,8 @@ class Color(object):
       otherwise returns empty string
     """
     if self._enabled:
-      return self.COLOR_START % (color + 30)
+        base = self.BRIGHT_START if bright else self.NORMAL_START
+        return base % (color + 30)
     return ''
 
   def Stop(self):
@@ -63,10 +56,10 @@ class Color(object):
       returns empty string
     """
     if self._enabled:
-      return self.RESET
+        return self.RESET
     return ''
 
-  def Color(self, color, text):
+  def Color(self, color, text, bright=True):
     """Returns text with conditionally added color escape sequences.
 
     Keyword arguments:
@@ -78,9 +71,10 @@ class Color(object):
       returns text with color escape sequences based on the value of color.
     """
     if not self._enabled:
-      return text
+        return text
     if color == self.BOLD:
-      start = self.BOLD_START
+        start = self.BOLD_START
     else:
-      start = self.COLOR_START % (color + 30)
+        base = self.BRIGHT_START if bright else self.NORMAL_START
+        start = base % (color + 30)
     return start + text + self.RESET