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xgboost/dmlc-core/scripts/lint.py  view on Meta::CPAN

                                      '-build/namespaces',
                                      '-build/include,',
                                      '+build/include_what_you_use',
                                      '+build/include_order']))
        cpplint._SetCountingStyle('toplevel')
        cpplint._line_length = 100

    def process_cpp(self, path, suffix):
        """Process a cpp file."""
        _cpplint_state.ResetErrorCounts()
        cpplint.ProcessFile(str(path), _cpplint_state.verbose_level)
        _cpplint_state.PrintErrorCounts()
        errors = _cpplint_state.errors_by_category.copy()

        if suffix == 'h':
            self.cpp_header_map[str(path)] = errors
        else:
            self.cpp_src_map[str(path)] = errors

    def process_python(self, path):
        """Process a python file."""
        (pylint_stdout, pylint_stderr) = epylint.py_run(
            ' '.join([str(path)] + self.pylint_opts), return_std=True)
        emap = {}
        err = pylint_stderr.read()
        if len(err):
            print(err)
        for line in pylint_stdout:
            sys.stderr.write(line)
            key = line.split(':')[-1].split('(')[0].strip()
            if key not in self.pylint_cats:
                continue
            if key not in emap:
                emap[key] = 1
            else:
                emap[key] += 1
        self.python_map[str(path)] = emap

    def print_summary(self, strm):
        """Print summary of lint."""
        nerr = 0
        nerr += LintHelper._print_summary_map(strm, self.cpp_header_map, 'cpp-header')
        nerr += LintHelper._print_summary_map(strm, self.cpp_src_map, 'cpp-soruce')
        nerr += LintHelper._print_summary_map(strm, self.python_map, 'python')
        if nerr == 0:
            strm.write('All passed!\n')
        else:
            strm.write('%d files failed lint\n' % nerr)
        return nerr

# singleton helper for lint check
_HELPER = LintHelper()

def get_header_guard_dmlc(filename):
    """Get Header Guard Convention for DMLC Projects.

    For headers in include, directly use the path
    For headers in src, use project name plus path

    Examples: with project-name = dmlc
        include/dmlc/timer.h -> DMLC_TIMTER_H_
        src/io/libsvm_parser.h -> DMLC_IO_LIBSVM_PARSER_H_
    """
    fileinfo = cpplint.FileInfo(filename)
    file_path_from_root = fileinfo.RepositoryName()
    inc_list = ['include', 'api', 'wrapper']

    if file_path_from_root.find('src/') != -1 and _HELPER.project_name is not None:
        idx = file_path_from_root.find('src/')
        file_path_from_root = _HELPER.project_name +  file_path_from_root[idx + 3:]
    else:
        for spath in inc_list:
            prefix = spath + '/'
            if file_path_from_root.startswith(prefix):
                file_path_from_root = re.sub('^' + prefix, '', file_path_from_root)
                break
    return re.sub(r'[-./\s]', '_', file_path_from_root).upper() + '_'

cpplint.GetHeaderGuardCPPVariable = get_header_guard_dmlc

def process(fname, allow_type):
    """Process a file."""
    fname = str(fname)
    arr = fname.rsplit('.', 1)
    if fname.find('#') != -1 or arr[-1] not in allow_type:
        return
    if arr[-1] in CXX_SUFFIX:
        _HELPER.process_cpp(fname, arr[-1])
    if arr[-1] in PYTHON_SUFFIX:
        _HELPER.process_python(fname)

def main():
    """Main entry function."""
    parser = argparse.ArgumentParser(description="lint source codes")
    parser.add_argument('project', help='project name')
    parser.add_argument('filetype', choices=['python', 'cpp', 'all'],
                        help='source code type')
    parser.add_argument('path', nargs='+', help='path to traverse')
    parser.add_argument('--pylint-rc', default=None,
                        help='pylint rc file')
    args = parser.parse_args()

    _HELPER.project_name = args.project
    if args.pylint_rc is not None:
        _HELPER.pylint_opts = ['--rcfile='+args.pylint_rc,]
    file_type = args.filetype
    allow_type = []
    if file_type == 'python' or file_type == 'all':
        allow_type += [x for x in PYTHON_SUFFIX]
    if file_type == 'cpp' or file_type == 'all':
        allow_type += [x for x in CXX_SUFFIX]
    allow_type = set(allow_type)
    if sys.version_info.major == 2 and os.name != 'nt':
        sys.stderr = codecs.StreamReaderWriter(sys.stderr,
                                               codecs.getreader('utf8'),
                                               codecs.getwriter('utf8'),
                                               'replace')
    for path in args.path:
        if os.path.isfile(path):
            process(path, allow_type)
        else: