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checkkconfigsymbols: use ArgumentParser
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Replace the deprecated OptionParser with ArgumentParser, as recommended
by pylint.

Signed-off-by: Valentin Rothberg <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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@vrothberg @gregkh
vrothberg authored and gregkh committed Aug 28, 2016
1 parent 7c5227a commit 14390e3
Showing 1 changed file with 69 additions and 73 deletions.
142 changes: 69 additions & 73 deletions scripts/checkkconfigsymbols.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,14 +8,14 @@
# Licensed under the terms of the GNU GPL License version 2


import argparse
import difflib
import os
import re
import signal
import subprocess
import sys
from multiprocessing import Pool, cpu_count
from optparse import OptionParser
from subprocess import Popen, PIPE, STDOUT


Expand Down Expand Up @@ -43,90 +43,86 @@

def parse_options():
"""The user interface of this module."""
usage = "%prog [options]\n\n" \
"Run this tool to detect Kconfig symbols that are referenced but " \
"not defined in\nKconfig. The output of this tool has the " \
"format \'Undefined symbol\\tFile list\'\n\n" \
"If no option is specified, %prog will default to check your\n" \
"current tree. Please note that specifying commits will " \
"\'git reset --hard\'\nyour current tree! You may save " \
"uncommitted changes to avoid losing data."

parser = OptionParser(usage=usage)

parser.add_option('-c', '--commit', dest='commit', action='store',
default="",
help="Check if the specified commit (hash) introduces "
"undefined Kconfig symbols.")

parser.add_option('-d', '--diff', dest='diff', action='store',
default="",
help="Diff undefined symbols between two commits. The "
"input format bases on Git log's "
"\'commmit1..commit2\'.")

parser.add_option('-f', '--find', dest='find', action='store_true',
default=False,
help="Find and show commits that may cause symbols to be "
"missing. Required to run with --diff.")

parser.add_option('-i', '--ignore', dest='ignore', action='store',
default="",
help="Ignore files matching this pattern. Note that "
"the pattern needs to be a Python regex. To "
"ignore defconfigs, specify -i '.*defconfig'.")

parser.add_option('-s', '--sim', dest='sim', action='store', default="",
help="Print a list of maximum 10 string-similar symbols.")

parser.add_option('', '--force', dest='force', action='store_true',
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:
usage = "Run this tool to detect Kconfig symbols that are referenced but " \
"not defined in Kconfig. If no option is specified, " \
"checkkconfigsymbols defaults to check your current tree. " \
"Please note that specifying commits will 'git reset --hard\' " \
"your current tree! You may save uncommitted changes to avoid " \
"losing data."

parser = argparse.ArgumentParser(description=usage)

parser.add_argument('-c', '--commit', dest='commit', action='store',
default="",
help="check if the specified commit (hash) introduces "
"undefined Kconfig symbols")

parser.add_argument('-d', '--diff', dest='diff', action='store',
default="",
help="diff undefined symbols between two commits "
"(e.g., -d commmit1..commit2)")

parser.add_argument('-f', '--find', dest='find', action='store_true',
default=False,
help="find and show commits that may cause symbols to be "
"missing (required to run with --diff)")

parser.add_argument('-i', '--ignore', dest='ignore', action='store',
default="",
help="ignore files matching this Python regex "
"(e.g., -i '.*defconfig')")

parser.add_argument('-s', '--sim', dest='sim', action='store', default="",
help="print a list of max. 10 string-similar symbols")

parser.add_argument('--force', dest='force', action='store_true',
default=False,
help="reset current Git tree even when it's dirty")

parser.add_argument('--no-color', dest='color', action='store_false',
default=True,
help="don't print colored output (default when not "
"outputting to a terminal)")

args = parser.parse_args()

if args.commit and args.diff:
sys.exit("Please specify only one option at once.")

if opts.diff and not re.match(r"^[\w\-\.]+\.\.[\w\-\.]+$", opts.diff):
if args.diff and not re.match(r"^[\w\-\.]+\.\.[\w\-\.]+$", args.diff):
sys.exit("Please specify valid input in the following format: "
"\'commit1..commit2\'")

if opts.commit or opts.diff:
if not opts.force and tree_is_dirty():
if args.commit or args.diff:
if not args.force and tree_is_dirty():
sys.exit("The current Git tree is dirty (see 'git status'). "
"Running this script may\ndelete important data since it "
"calls 'git reset --hard' for some performance\nreasons. "
" Please run this script in a clean Git tree or pass "
"'--force' if you\nwant to ignore this warning and "
"continue.")

if opts.commit:
opts.find = False
if args.commit:
args.find = False

if opts.ignore:
if args.ignore:
try:
re.match(opts.ignore, "this/is/just/a/test.c")
re.match(args.ignore, "this/is/just/a/test.c")
except:
sys.exit("Please specify a valid Python regex.")

return opts
return args


def main():
"""Main function of this module."""
opts = parse_options()
args = parse_options()

global color
color = opts.color and sys.stdout.isatty()
color = args.color and sys.stdout.isatty()

if opts.sim and not opts.commit and not opts.diff:
sims = find_sims(opts.sim, opts.ignore)
if args.sim and not args.commit and not args.diff:
sims = find_sims(args.sim, args.ignore)
if sims:
print("%s: %s" % (yel("Similar symbols"), ', '.join(sims)))
else:
Expand All @@ -137,29 +133,29 @@ def main():
defined = {}
undefined = {}

if opts.commit or opts.diff:
if args.commit or args.diff:
head = get_head()

# get commit range
commit_a = None
commit_b = None
if opts.commit:
commit_a = opts.commit + "~"
commit_b = opts.commit
elif opts.diff:
split = opts.diff.split("..")
if args.commit:
commit_a = args.commit + "~"
commit_b = args.commit
elif args.diff:
split = args.diff.split("..")
commit_a = split[0]
commit_b = split[1]
undefined_a = {}
undefined_b = {}

# get undefined items before the commit
execute("git reset --hard %s" % commit_a)
undefined_a, _ = check_symbols(opts.ignore)
undefined_a, _ = check_symbols(args.ignore)

# get undefined items for the commit
execute("git reset --hard %s" % commit_b)
undefined_b, defined = check_symbols(opts.ignore)
undefined_b, defined = check_symbols(args.ignore)

# report cases that are present for the commit but not before
for feature in sorted(undefined_b):
Expand All @@ -179,7 +175,7 @@ def main():

# default to check the entire tree
else:
undefined, defined = check_symbols(opts.ignore)
undefined, defined = check_symbols(args.ignore)

# now print the output
for feature in sorted(undefined):
Expand All @@ -188,16 +184,16 @@ def main():
files = sorted(undefined.get(feature))
print("%s: %s" % (yel("Referencing files"), ", ".join(files)))

sims = find_sims(feature, opts.ignore, defined)
sims = find_sims(feature, args.ignore, defined)
sims_out = yel("Similar symbols")
if sims:
print("%s: %s" % (sims_out, ', '.join(sims)))
else:
print("%s: %s" % (sims_out, "no similar symbols found"))

if opts.find:
if args.find:
print("%s:" % yel("Commits changing symbol"))
commits = find_commits(feature, opts.diff)
commits = find_commits(feature, args.diff)
if commits:
for commit in commits:
commit = commit.split(" ", 1)
Expand Down

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