# Copyright (c) 2007-2008 Infrae. All rights reserved.

# $Id: Py.py 32775 2009-01-05 10:53:29Z sylvain $

import os

import py

from Common import BaseRecipe, prepareURLs

from Common import checkAddedPaths, checkExistPath, reportInvalidFiles

class Recipe(BaseRecipe):

    """infrae.subversion recipe.

    """

    def __init__(self, buildout, name, options):

        super(Recipe, self).__init__(buildout, name, options)

        if self.verbose:

            print 'Using py implementation.'

        if not self.offline:    # Py is not able to do svn status

                                # without asking something on a

                                # server.

            self._updateAllRevisionInformation()

        self._exportInformationToOptions()

    def _updateRevisionInformation(self, link, path):

        """Update revision information on a path.

        """

        if isinstance(path, str):

            path = py.path.svnwc(path)

        revision = path.status().rev

        super(Recipe, self)._updateRevisionInformation(link, revision)

    def _updatePath(self, link, path):

        """Update a single path.

        """

        wc = py.path.svnwc(path)

        wc.update()

        self._updateRevisionInformation(link, wc)

    def _installPath(self, link, path):

        """Checkout a single entry.

        """

        if self.export:

            raise NotImplementedError

        wc = py.path.svnwc(path)

        wc.checkout(link)

        self._updateRevisionInformation(link, wc)

def uninstall(name, options):

    r"""

    This is an uninstallation hook for the 'infrae.subversion' recipe.

    Its only job is to raise an exception when there are changes in a

    subversion tree that a user might not want to lose.  This function

    does *not* delete or otherwise touch any files.

    The location of the path is passed as options['location'].

    """

    if bool(options.get('export', False)):

        return                  # SVN Export, there is nothing to check.

    if bool(options.get('ignore_verification', False)):

        return                  # Verification disabled.

    # XXX This makes the assumption that we're in the buildout

    #     directory and that our part is in 'parts'.  We don't have

    #     options['buildout'] available so no

    #     'buildout:parts-directory'.

    location = options.get('location', os.path.join('.', 'parts', name))

    urls = prepareURLs(location, options['urls'])

    if not checkExistPath(location):

        return

    checkAddedPaths(location, urls)

    for path in urls.keys():

        if not checkExistPath(path):

            continue

        wc = py.path.svnwc(path)

        status = wc.status(rec=1)

        badfiles = [] + status.modified + status.incomplete + status.unknown

        reportInvalidFiles(path, name, [file.strpath for file in badfiles])