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#! /usr/bin/env python
# encoding: utf-8
#
# written by Sylvain Rouquette, 2011
'''
Install pep8 module:
$ easy_install pep8
or
$ pip install pep8
To add the pep8 tool to the waf file:
$ ./waf-light --tools=compat15,pep8
or, if you have waf >= 1.6.2
$ ./waf update --files=pep8
Then add this to your wscript:
[at]extension('.py', 'wscript')
def run_pep8(self, node):
self.create_task('Pep8', node)
'''
import threading
from waflib import Task, Options
pep8 = __import__('pep8')
class Pep8(Task.Task):
color = 'PINK'
lock = threading.Lock()
def check_options(self):
if pep8.options:
return
pep8.options = Options.options
pep8.options.prog = 'pep8'
excl = pep8.options.exclude.split(',')
pep8.options.exclude = [s.rstrip('/') for s in excl]
if pep8.options.filename:
pep8.options.filename = pep8.options.filename.split(',')
if pep8.options.select:
pep8.options.select = pep8.options.select.split(',')
else:
pep8.options.select = []
if pep8.options.ignore:
pep8.options.ignore = pep8.options.ignore.split(',')
elif pep8.options.select:
# Ignore all checks which are not explicitly selected
pep8.options.ignore = ['']
elif pep8.options.testsuite or pep8.options.doctest:
# For doctest and testsuite, all checks are required
pep8.options.ignore = []
else:
# The default choice: ignore controversial checks
pep8.options.ignore = pep8.DEFAULT_IGNORE.split(',')
pep8.options.physical_checks = pep8.find_checks('physical_line')
pep8.options.logical_checks = pep8.find_checks('logical_line')
pep8.options.counters = dict.fromkeys(pep8.BENCHMARK_KEYS, 0)
pep8.options.messages = {}
def run(self):
with Pep8.lock:
self.check_options()
pep8.input_file(self.inputs[0].abspath())
return 0 if not pep8.get_count() else -1
def options(opt):
opt.add_option('-q', '--quiet', default=0, action='count',
help="report only file names, or nothing with -qq")
opt.add_option('-r', '--repeat', action='store_true',
help="show all occurrences of the same error")
opt.add_option('--exclude', metavar='patterns',
default=pep8.DEFAULT_EXCLUDE,
help="exclude files or directories which match these "
"comma separated patterns (default: %s)" %
pep8.DEFAULT_EXCLUDE,
dest='exclude')
opt.add_option('--filename', metavar='patterns', default='*.py',
help="when parsing directories, only check filenames "
"matching these comma separated patterns (default: "
"*.py)")
opt.add_option('--select', metavar='errors', default='',
help="select errors and warnings (e.g. E,W6)")
opt.add_option('--ignore', metavar='errors', default='',
help="skip errors and warnings (e.g. E4,W)")
opt.add_option('--show-source', action='store_true',
help="show source code for each error")
opt.add_option('--show-pep8', action='store_true',
help="show text of PEP 8 for each error")
opt.add_option('--statistics', action='store_true',
help="count errors and warnings")
opt.add_option('--count', action='store_true',
help="print total number of errors and warnings "
"to standard error and set exit code to 1 if "
"total is not null")
opt.add_option('--benchmark', action='store_true',
help="measure processing speed")
opt.add_option('--testsuite', metavar='dir',
help="run regression tests from dir")
opt.add_option('--doctest', action='store_true',
help="run doctest on myself")
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