1 # Copyright (C) 2010 Chris Jerdonek (cjerdonek@webkit.org)
3 # Redistribution and use in source and binary forms, with or without
4 # modification, are permitted provided that the following conditions
6 # 1. Redistributions of source code must retain the above copyright
7 # notice, this list of conditions and the following disclaimer.
8 # 2. Redistributions in binary form must reproduce the above copyright
9 # notice, this list of conditions and the following disclaimer in the
10 # documentation and/or other materials provided with the distribution.
12 # THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
13 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
14 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
15 # DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
16 # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
17 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
18 # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
19 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
20 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
21 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 """Supports checking WebKit style in Python files."""
25 from webkitpy.thirdparty.autoinstalled import pep8
28 class PythonChecker(object):
30 """Processes text lines for checking style."""
32 def __init__(self, file_path, handle_style_error):
33 self._file_path = file_path
34 self._handle_style_error = handle_style_error
36 def check(self, lines):
37 # Initialize pep8.options, which is necessary for
38 # Checker.check_all() to execute.
39 pep8.process_options(arglist=[self._file_path])
41 checker = pep8.Checker(self._file_path)
43 def _pep8_handle_error(line_number, offset, text, check):
44 # FIXME: Incorporate the character offset into the error output.
45 # This will require updating the error handler __call__
46 # signature to include an optional "offset" parameter.
48 pep8_message = text[5:]
50 category = "pep8/" + pep8_code
52 self._handle_style_error(line_number, category, 5, pep8_message)
54 checker.report_error = _pep8_handle_error
56 errors = checker.check_all()