"""pylint plugin

XXX: Currently in progress, NOT IN WORKING STATE.
"""
import py

lint = py.test.importorskip("pylint") 

def pytest_addoption(parser):
    group = parser.addgroup('pylint options')
    group.addoption('--pylint', action='store_true',
                    default=False, dest='pylint',
                    help='Pylint coverate of test files.')

def pytest_collect_file(path, parent):
    if path.ext == ".py":
        if parent.config.getvalue('pylint'):
            return PylintItem(path, parent, self.lint)

def pytest_terminal_summary(terminalreporter):
    print 'placeholder for pylint output'

class PylintItem(py.test.collect.Item):
    def __init__(self, path, parent, lintlib):
        name = self.__class__.__name__ + ":" + path.basename
        super(PylintItem, self).__init__(name=name, parent=parent)
        self.fspath = path
        self.lint = lintlib

    def runtest(self):
        # run lint here
        capture = py.io.StdCaptureFD()
        #pylib.org has docs on py.io.stdcaptureFD
        self.linter = self.lint.PyLinter()  #TODO: should this be in the PylintPlugin?
        self.linter.check(str(self.fspath))
        out, err = capture.reset()
        rating = out.strip().split('\n')[-1]
        print ">>>",
        print rating