/usr/lib/python2.7/dist-packages/bzrlib/add.py is in python-bzrlib 2.7.0-2ubuntu3.1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 | # Copyright (C) 2005-2010 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""Helper functions for adding files to working trees."""
from __future__ import absolute_import
import sys
import os
from bzrlib import (
osutils,
ui,
)
from bzrlib.i18n import gettext
class AddAction(object):
"""A class which defines what action to take when adding a file."""
def __init__(self, to_file=None, should_print=None):
"""Initialize an action which prints added files to an output stream.
:param to_file: The stream to write into. This is expected to take
Unicode paths. If not supplied, it will default to ``sys.stdout``.
:param should_print: If False, printing will be suppressed.
"""
self._to_file = to_file
if to_file is None:
self._to_file = sys.stdout
self.should_print = False
if should_print is not None:
self.should_print = should_print
def __call__(self, inv, parent_ie, path, kind, _quote=osutils.quotefn):
"""Add path to inventory.
The default action does nothing.
:param inv: The inventory we are working with.
:param path: The FastPath being added
:param kind: The kind of the object being added.
"""
if self.should_print:
self._to_file.write('adding %s\n' % _quote(path))
return None
def skip_file(self, tree, path, kind, stat_value = None):
"""Test whether the given file should be skipped or not.
The default action never skips. Note this is only called during
recursive adds
:param tree: The tree we are working in
:param path: The path being added
:param kind: The kind of object being added.
:param stat: Stat result for this file, if available already
:return bool. True if the file should be skipped (not added)
"""
return False
class AddWithSkipLargeAction(AddAction):
"""A class that can decide to skip a file if it's considered too large"""
_maxSize = None
def skip_file(self, tree, path, kind, stat_value = None):
if kind != 'file':
return False
opt_name = 'add.maximum_file_size'
if self._maxSize is None:
config = tree.get_config_stack()
self._maxSize = config.get(opt_name)
if stat_value is None:
file_size = os.path.getsize(path);
else:
file_size = stat_value.st_size;
if self._maxSize > 0 and file_size > self._maxSize:
ui.ui_factory.show_warning(gettext(
"skipping {0} (larger than {1} of {2} bytes)").format(
path, opt_name, self._maxSize))
return True
return False
class AddFromBaseAction(AddAction):
"""This class will try to extract file ids from another tree."""
def __init__(self, base_tree, base_path, to_file=None, should_print=None):
super(AddFromBaseAction, self).__init__(to_file=to_file,
should_print=should_print)
self.base_tree = base_tree
self.base_path = base_path
def __call__(self, inv, parent_ie, path, kind):
# Place the parent call
# Now check to see if we can extract an id for this file
file_id, base_path = self._get_base_file_id(path, parent_ie)
if file_id is not None:
if self.should_print:
self._to_file.write('adding %s w/ file id from %s\n'
% (path, base_path))
else:
# we aren't doing anything special, so let the default
# reporter happen
file_id = super(AddFromBaseAction, self).__call__(
inv, parent_ie, path, kind)
return file_id
def _get_base_file_id(self, path, parent_ie):
"""Look for a file id in the base branch.
First, if the base tree has the parent directory,
we look for a file with the same name in that directory.
Else, we look for an entry in the base tree with the same path.
"""
if self.base_tree.has_id(parent_ie.file_id):
base_path = osutils.pathjoin(
self.base_tree.id2path(parent_ie.file_id),
osutils.basename(path))
base_id = self.base_tree.path2id(base_path)
if base_id is not None:
return (base_id, base_path)
full_base_path = osutils.pathjoin(self.base_path, path)
# This may return None, but it is our last attempt
return self.base_tree.path2id(full_base_path), full_base_path
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