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Subject[PATCH v2] checkkconfigsymbols.py: add --no-color option, don't print color to non-TTY
Date
Only print the ANSI colour escape codes if stdout is a TTY. Useful if
redirecting output to a file or piping to another script.

Also add a new option, --no-color, if the user wants to disable colour
output for whatever reason.

Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>

---

V1->V2:
- automatically detect non-TTYs and disable colour output.
Suggested by Josh Triplett
---
scripts/checkkconfigsymbols.py | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/scripts/checkkconfigsymbols.py b/scripts/checkkconfigsymbols.py
index df643f6..b140fc9 100755
--- a/scripts/checkkconfigsymbols.py
+++ b/scripts/checkkconfigsymbols.py
@@ -82,6 +82,11 @@ def parse_options():
default=False,
help="Reset current Git tree even when it's dirty.")

+ parser.add_option('', '--no-color', dest='color', action='store_false',
+ default=True,
+ help="Don't print colored output. Default when not "
+ "outputting to a terminal.")
+
(opts, _) = parser.parse_args()

if opts.commit and opts.diff:
@@ -116,6 +121,9 @@ def main():
"""Main function of this module."""
opts = parse_options()

+ global color
+ color = opts.color and sys.stdout.isatty()
+
if opts.sim and not opts.commit and not opts.diff:
sims = find_sims(opts.sim, opts.ignore)
if sims:
@@ -202,14 +210,14 @@ def yel(string):
"""
Color %string yellow.
"""
- return "\033[33m%s\033[0m" % string
+ return "\033[33m%s\033[0m" % string if color else string


def red(string):
"""
Color %string red.
"""
- return "\033[31m%s\033[0m" % string
+ return "\033[31m%s\033[0m" % string if color else string


def execute(cmd):
--
Andrew Donnellan OzLabs, ADL Canberra
andrew.donnellan@au1.ibm.com IBM Australia Limited
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