/b-gtk/fix-viz

# Copyright (C) 2006 by Szilveszter Farkas (Phanatic) <szilveszter.farkas@gmail.com>

# Some parts of the code are:

# Copyright (C) 2005, 2006 by Canonical Ltd

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

import os

from bzrlib.errors import (BzrError, NotBranchError, NotVersionedError, 

                           PermissionDenied)

class DirectoryAlreadyExists(BzrError):

    """ The specified directory already exists

    May occur in:

        fileops.mkdir()

    """

class MultipleMoveError(BzrError):

    """ Occurs when moving/renaming more than 2 files, but the last argument is not a directory

    May occur in:

        fileops.move()

    """

class NoMatchingFiles(BzrError):

    """ No files found which could match the criteria

    May occur in:

        fileops.remove()

    """

def add(file_list, recursive=False):

    """ Add listed files to the branch. 

    :param file_list - list of files to be added (using full paths)

    :param recursive - if True, all unknown files will be added

    :return: count of ignored files

    """

    import bzrlib.add

    added, ignored = bzrlib.add.smart_add(file_list, recursive)

    match_len = 0

    for glob, paths in ignored.items():

        match_len += len(paths)

    return match_len

def mkdir(directory):

    """ Create new versioned directory.

    :param directory: the full path to the directory to be created

    """

    from bzrlib.workingtree import WorkingTree

    try:

        os.mkdir(directory)

    except OSError, e:

        if e.errno == 17:

            raise DirectoryAlreadyExists(directory)

    else:

        wt, dd = WorkingTree.open_containing(directory)

        wt.add([dd])

def move(names_list):

    """ Move or rename given files.

    :param file_list: if two elements, then rename the first to the second, if more elements then move all of them to the directory specified in the last element

    """

    from bzrlib.builtins import tree_files

    tree, rel_names = tree_files(names_list)

    if os.path.isdir(names_list[-1]):

        # move into existing directory

        for pair in tree.move(rel_names[:-1], rel_names[-1]):

            pass

    else:

        if len(names_list) != 2:

            raise MultipleMoveError

        tree.rename_one(rel_names[0], rel_names[1])

def remove(file_list, new=False):

    """ Make selected files unversioned.

    :param file_list: list of files/directories to be removed

    :param new: if True, the 'added' files will be removed

    """

    import bzrlib

    from bzrlib.builtins import tree_files

    tree, file_list = tree_files(file_list)

    if new:

        from bzrlib.delta import compare_trees

        if (bzrlib.version_info[0] == 0) and (bzrlib.version_info[1] < 9):

            added = [compare_trees(tree.basis_tree(), tree,

                                   specific_files=file_list).added]

        else:

            added = [tree.changes_from(tree.basis_tree(),

                                       specific_files=file_list).added]

        file_list = sorted([f[0] for f in added[0]], reverse=True)

        if len(file_list) == 0:

            raise NoMatchingFiles

    tree.remove(file_list)

def rename(source, target):

    """ Rename a versioned file

    :param source: full path to the original file

    :param target: full path to the new file

    """

    move([source, target])

def status(filename):

    """ Get the status of a file.

    :param filename: the full path to the file

    :return: renamed | added | removed | modified | unchanged | unknown

    """

    import bzrlib

    from bzrlib.delta import compare_trees

    from bzrlib.workingtree import WorkingTree

    try:

        tree1 = WorkingTree.open_containing(filename)[0]

    except NotBranchError:

        return 'unknown'

    branch = tree1.branch

    tree2 = tree1.branch.repository.revision_tree(branch.last_revision())

    # find the relative path to the given file (needed for proper delta)

    wtpath = tree1.basedir

    fullpath = filename

    i = 0

    wtsplit = wtpath.split('/')

    fpsplit = fullpath.split('/')

    fpcopy = fullpath.split('/')

    for item in fpsplit:

        if i is not len(wtsplit):

            if item == wtsplit[i]:

                del fpcopy[0]

            i = i + 1

    rel = '/'.join(fpcopy)

    delta = tree1.changes_from(tree2,

                                   want_unchanged=True,

                                   specific_files=[rel])

    if len(delta.renamed):

        return 'renamed'

    elif len(delta.added):

        return 'added'

    elif len(delta.removed):

        return 'removed'

    elif len(delta.modified):

        return 'modified'

    elif len(delta.unchanged):

        return 'unchanged'

    else:

        return 'unknown'