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71 lines
2.1 KiB
71 lines
2.1 KiB
From aace6f5ac84d738f6b5f0ed1d56b3713b0435cc4 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?=C5=A0t=C4=9Bp=C3=A1n=20N=C4=9Bmec?= <snemec@redhat.com>
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Date: Thu, 2 Sep 2021 13:33:07 +0200
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Subject: [PATCH] iptables-test.py: print with color escapes only when stdout
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isatty
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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When the output doesn't go to a terminal (typical case: log files),
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the escape sequences are just noise.
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Signed-off-by: Štěpán Němec <snemec@redhat.com>
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Signed-off-by: Phil Sutter <phil@nwl.cc>
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(cherry picked from commit b714d45dc4c2423d4df4cbf7ccf238ec441675ef)
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---
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iptables-test.py | 23 +++++++++++++----------
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1 file changed, 13 insertions(+), 10 deletions(-)
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diff --git a/iptables-test.py b/iptables-test.py
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index 0d21f975305db..fb9503b6fffb4 100755
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--- a/iptables-test.py
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+++ b/iptables-test.py
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@@ -32,22 +32,25 @@ EXTENSIONS_PATH = "extensions"
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LOGFILE="/tmp/iptables-test.log"
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log_file = None
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+STDOUT_IS_TTY = sys.stdout.isatty()
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-class Colors:
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- HEADER = '\033[95m'
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- BLUE = '\033[94m'
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- GREEN = '\033[92m'
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- YELLOW = '\033[93m'
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- RED = '\033[91m'
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- ENDC = '\033[0m'
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+def maybe_colored(color, text):
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+ terminal_sequences = {
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+ 'green': '\033[92m',
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+ 'red': '\033[91m',
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+ }
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+
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+ return (
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+ terminal_sequences[color] + text + '\033[0m' if STDOUT_IS_TTY else text
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+ )
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def print_error(reason, filename=None, lineno=None):
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'''
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Prints an error with nice colors, indicating file and line number.
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'''
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- print(filename + ": " + Colors.RED + "ERROR" +
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- Colors.ENDC + ": line %d (%s)" % (lineno, reason), file=sys.stderr)
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+ print(filename + ": " + maybe_colored('red', "ERROR") +
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+ ": line %d (%s)" % (lineno, reason), file=sys.stderr)
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def delete_rule(iptables, rule, filename, lineno):
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@@ -282,7 +285,7 @@ log_file = None
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if netns:
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execute_cmd("ip netns del ____iptables-container-test", filename, 0)
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if total_test_passed:
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- print(filename + ": " + Colors.GREEN + "OK" + Colors.ENDC)
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+ print(filename + ": " + maybe_colored('green', "OK"))
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f.close()
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return tests, passed
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--
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2.40.0
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