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#!/usr/bin/env python
# See utils/checkpackagelib/readme.txt before editing this file.
from __future__ import print_function
import argparse
import inspect
import os
import re
import sys
import checkpackagelib.lib_config
import checkpackagelib.lib_hash
import checkpackagelib.lib_mk
import checkpackagelib.lib_patch
VERBOSE_LEVEL_TO_SHOW_IGNORED_FILES = 3
flags = None # Command line arguments.
def parse_args():
parser = argparse.ArgumentParser()
# Do not use argparse.FileType("r") here because only files with known
# format will be open based on the filename.
parser.add_argument("files", metavar="F", type=str, nargs="*",
help="list of files")
parser.add_argument("--br2-external", "-b", dest='intree_only', action="store_false",
help="do not apply the pathname filters used for intree files")
parser.add_argument("--manual-url", action="store",
default="http://nightly.buildroot.org/",
help="default: %(default)s")
parser.add_argument("--verbose", "-v", action="count", default=0)
# Now the debug options in the order they are processed.
parser.add_argument("--include-only", dest="include_list", action="append",
help="run only the specified functions (debug)")
parser.add_argument("--exclude", dest="exclude_list", action="append",
help="do not run the specified functions (debug)")
parser.add_argument("--dry-run", action="store_true", help="print the "
"functions that would be called for each file (debug)")
return parser.parse_args()
CONFIG_IN_FILENAME = re.compile("/Config\.\S*$")
DO_CHECK_INTREE = re.compile("|".join([
"arch/",
"boot/",
"fs/",
"package/",
"system/",
]))
DO_NOT_CHECK_INTREE = re.compile("|".join([
"boot/barebox/barebox\.mk$",
"fs/common\.mk$",
"package/doc-asciidoc\.mk$",
"package/pkg-\S*\.mk$",
]))
def get_lib_from_filename(fname):
if flags.intree_only:
if DO_CHECK_INTREE.match(fname) is None:
return None
if DO_NOT_CHECK_INTREE.match(fname):
return None
if CONFIG_IN_FILENAME.search(fname):
return checkpackagelib.lib_config
if fname.endswith(".hash"):
return checkpackagelib.lib_hash
if fname.endswith(".mk"):
return checkpackagelib.lib_mk
if fname.endswith(".patch"):
return checkpackagelib.lib_patch
return None
def is_a_check_function(m):
if not inspect.isclass(m):
return False
# do not call the base class
if m.__name__.startswith("_"):
return False
if flags.include_list and m.__name__ not in flags.include_list:
return False
if flags.exclude_list and m.__name__ in flags.exclude_list:
return False
return True
def print_warnings(warnings):
# Avoid the need to use 'return []' at the end of every check function.
if warnings is None:
return 0 # No warning generated.
for level, message in enumerate(warnings):
if flags.verbose >= level:
print(message.replace("\t", "< tab >").rstrip())
return 1 # One more warning to count.
def check_file_using_lib(fname):
# Count number of warnings generated and lines processed.
nwarnings = 0
nlines = 0
lib = get_lib_from_filename(fname)
if not lib:
if flags.verbose >= VERBOSE_LEVEL_TO_SHOW_IGNORED_FILES:
print("{}: ignored".format(fname))
return nwarnings, nlines
classes = inspect.getmembers(lib, is_a_check_function)
if flags.dry_run:
functions_to_run = [c[0] for c in classes]
print("{}: would run: {}".format(fname, functions_to_run))
return nwarnings, nlines
objects = [c[1](fname, flags.manual_url) for c in classes]
for cf in objects:
nwarnings += print_warnings(cf.before())
for lineno, text in enumerate(open(fname, "r").readlines()):
nlines += 1
for cf in objects:
nwarnings += print_warnings(cf.check_line(lineno + 1, text))
for cf in objects:
nwarnings += print_warnings(cf.after())
return nwarnings, nlines
def __main__():
global flags
flags = parse_args()
if flags.intree_only:
# change all paths received to be relative to the base dir
base_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
files_to_check = [os.path.relpath(os.path.abspath(f), base_dir) for f in flags.files]
# move current dir so the script find the files
os.chdir(base_dir)
else:
files_to_check = flags.files
if len(files_to_check) == 0:
print("No files to check style")
sys.exit(1)
# Accumulate number of warnings generated and lines processed.
total_warnings = 0
total_lines = 0
for fname in files_to_check:
nwarnings, nlines = check_file_using_lib(fname)
total_warnings += nwarnings
total_lines += nlines
# The warning messages are printed to stdout and can be post-processed
# (e.g. counted by 'wc'), so for stats use stderr. Wait all warnings are
# printed, for the case there are many of them, before printing stats.
sys.stdout.flush()
print("{} lines processed".format(total_lines), file=sys.stderr)
print("{} warnings generated".format(total_warnings), file=sys.stderr)
if total_warnings > 0:
sys.exit(1)
__main__()
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