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# Copyright 2009 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
"""Enumerations relating to Bazaar formats."""
__metaclass__ = type
__all__ = [
'BranchFormat',
'ControlFormat',
'CURRENT_BRANCH_FORMATS',
'CURRENT_REPOSITORY_FORMATS',
'get_branch_formats',
'RepositoryFormat',
]
# FIRST Ensure correct plugins are loaded. Do not delete this comment or the
# line below this comment.
import lp.codehosting
from bzrlib.branch import (
BranchReferenceFormat,
BzrBranchFormat5,
BzrBranchFormat6,
BzrBranchFormat7,
)
from bzrlib.bzrdir import BzrDirMetaFormat1
from bzrlib.plugins.loom.branch import (
BzrBranchLoomFormat1,
BzrBranchLoomFormat6,
)
from bzrlib.plugins.weave_fmt.branch import BzrBranchFormat4
from bzrlib.plugins.weave_fmt.bzrdir import (
BzrDirFormat4,
BzrDirFormat5,
BzrDirFormat6,
)
from bzrlib.plugins.weave_fmt.repository import (
RepositoryFormat4,
RepositoryFormat5,
RepositoryFormat6,
RepositoryFormat7,
)
from bzrlib.repofmt.groupcompress_repo import RepositoryFormat2a
from bzrlib.repofmt.knitpack_repo import (
RepositoryFormatKnitPack1,
RepositoryFormatKnitPack3,
RepositoryFormatKnitPack4,
RepositoryFormatKnitPack5,
)
from bzrlib.repofmt.knitrepo import (
RepositoryFormatKnit1,
RepositoryFormatKnit3,
RepositoryFormatKnit4,
)
from lazr.enum import (
DBEnumeratedType,
DBItem,
)
def _format_enum(num, format, format_string=None, description=None):
instance = format()
if format_string is None:
format_string = instance.get_format_string()
if description is None:
description = instance.get_format_description()
return DBItem(num, format_string, description)
class BazaarFormatEnum(DBEnumeratedType):
"""Base class for the format enums."""
@classmethod
def get_enum(klass, format_name):
"""Find the matching enum value for the format name specified."""
for value in klass.items:
if value.title == format_name:
return value
else:
return klass.UNRECOGNIZED
class BranchFormat(BazaarFormatEnum):
"""Branch on-disk format.
This indicates which (Bazaar) format is used on-disk. The list must be
updated as the list of formats supported by Bazaar is updated.
"""
UNRECOGNIZED = DBItem(1000, '!Unrecognized!', 'Unrecognized format')
# Branch 4 was only used with all-in-one formats, so it didn't have its
# own marker. It was implied by the control directory marker.
BZR_BRANCH_4 = _format_enum(
4, BzrBranchFormat4, 'Fake Bazaar Branch 4 marker')
BRANCH_REFERENCE = _format_enum(1, BranchReferenceFormat)
BZR_BRANCH_5 = _format_enum(5, BzrBranchFormat5)
BZR_BRANCH_6 = _format_enum(6, BzrBranchFormat6)
BZR_BRANCH_7 = _format_enum(7, BzrBranchFormat7)
# Format string copied from Bazaar 1.15 code. This should be replaced with
# a line that looks like _format_enum(8, BzrBranchFormat8) when we upgrade
# to Bazaar 1.15.
BZR_BRANCH_8 = DBItem(
8, "Bazaar Branch Format 8 (needs bzr 1.15)\n", "Branch format 8")
BZR_LOOM_1 = _format_enum(101, BzrBranchLoomFormat1)
BZR_LOOM_2 = _format_enum(106, BzrBranchLoomFormat6)
BZR_LOOM_3 = DBItem(
107, "Bazaar-NG Loom branch format 7\n", "Loom branch format 7")
class RepositoryFormat(BazaarFormatEnum):
"""Repository on-disk format.
This indicates which (Bazaar) format is used on-disk. The list must be
updated as the list of formats supported by Bazaar is updated.
"""
UNRECOGNIZED = DBItem(1000, '!Unrecognized!', 'Unrecognized format')
# Repository formats prior to format 7 had no marker because they
# were implied by the control directory format.
BZR_REPOSITORY_4 = _format_enum(
4, RepositoryFormat4, 'Fake Bazaar repository 4 marker')
BZR_REPOSITORY_5 = _format_enum(
5, RepositoryFormat5, 'Fake Bazaar repository 5 marker')
BZR_REPOSITORY_6 = _format_enum(
6, RepositoryFormat6, 'Fake Bazaar repository 6 marker')
BZR_REPOSITORY_7 = _format_enum(7, RepositoryFormat7)
BZR_KNIT_1 = _format_enum(101, RepositoryFormatKnit1)
BZR_KNIT_3 = _format_enum(103, RepositoryFormatKnit3)
BZR_KNIT_4 = _format_enum(104, RepositoryFormatKnit4)
BZR_KNITPACK_1 = _format_enum(201, RepositoryFormatKnitPack1)
BZR_KNITPACK_3 = _format_enum(203, RepositoryFormatKnitPack3)
BZR_KNITPACK_4 = _format_enum(204, RepositoryFormatKnitPack4)
BZR_KNITPACK_5 = _format_enum(
205, RepositoryFormatKnitPack5,
description='Packs 5 (needs bzr 1.6, supports stacking)\n')
BZR_KNITPACK_5_RRB = DBItem(206,
'Bazaar RepositoryFormatKnitPack5RichRoot (bzr 1.6)\n',
'Packs 5-Rich Root (needs bzr 1.6, supports stacking)'
)
BZR_KNITPACK_5_RR = DBItem(207,
'Bazaar RepositoryFormatKnitPack5RichRoot (bzr 1.6.1)\n',
'Packs 5 rich-root (adds stacking support, requires bzr 1.6.1)',
)
BZR_KNITPACK_6 = DBItem(208,
'Bazaar RepositoryFormatKnitPack6 (bzr 1.9)\n',
'Packs 6 (uses btree indexes, requires bzr 1.9)'
)
BZR_KNITPACK_6_RR = DBItem(209,
'Bazaar RepositoryFormatKnitPack6RichRoot (bzr 1.9)\n',
'Packs 6 rich-root (uses btree indexes, requires bzr 1.9)'
)
BZR_PACK_DEV_0 = DBItem(300,
'Bazaar development format 0 (needs bzr.dev from before 1.3)\n',
'Development repository format, currently the same as pack-0.92',
)
BZR_PACK_DEV_0_SUBTREE = DBItem(301,
'Bazaar development format 0 with subtree support (needs bzr.dev from'
' before 1.3)\n',
'Development repository format, currently the same as'
' pack-0.92-subtree\n',
)
BZR_DEV_1 = DBItem(302,
"Bazaar development format 1 (needs bzr.dev from before 1.6)\n",
"Development repository format, currently the same as "
"pack-0.92 with external reference support.\n"
)
BZR_DEV_1_SUBTREE = DBItem(303,
"Bazaar development format 1 with subtree support "
"(needs bzr.dev from before 1.6)\n",
"Development repository format, currently the same as "
"pack-0.92-subtree with external reference support.\n"
)
BZR_DEV_2 = DBItem(304,
"Bazaar development format 2 (needs bzr.dev from before 1.8)\n",
"Development repository format, currently the same as "
"1.6.1 with B+Trees.\n"
)
BZR_DEV_2_SUBTREE = DBItem(305,
"Bazaar development format 2 with subtree support "
"(needs bzr.dev from before 1.8)\n",
"Development repository format, currently the same as "
"1.6.1-subtree with B+Tree indices.\n"
)
BZR_DEV_8 = DBItem(306,
"Bazaar development format 8\n",
"2a repository format with support for nested trees.\n"
)
BZR_CHK1 = DBItem(400,
"Bazaar development format - group compression and chk inventory"
" (needs bzr.dev from 1.14)\n",
"Development repository format - rich roots, group compression"
" and chk inventories\n",
)
BZR_CHK2 = DBItem(410,
"Bazaar development format - chk repository with bencode revision"
" serialization (needs bzr.dev from 1.16)\n",
"Development repository format - rich roots, group compression"
" and chk inventories\n",
)
BZR_CHK_2A = _format_enum(415, RepositoryFormat2a)
class ControlFormat(BazaarFormatEnum):
"""Control directory (BzrDir) format.
This indicates what control directory format is on disk. Must be updated
as new formats become available.
"""
UNRECOGNIZED = DBItem(1000, '!Unrecognized!', 'Unrecognized format')
BZR_DIR_4 = _format_enum(4, BzrDirFormat4)
BZR_DIR_5 = _format_enum(5, BzrDirFormat5)
BZR_DIR_6 = _format_enum(6, BzrDirFormat6)
BZR_METADIR_1 = _format_enum(1, BzrDirMetaFormat1)
# A tuple of branch formats that should not suggest upgrading.
CURRENT_BRANCH_FORMATS = (
None,
BranchFormat.UNRECOGNIZED,
BranchFormat.BRANCH_REFERENCE,
BranchFormat.BZR_BRANCH_7,
BranchFormat.BZR_BRANCH_8,
BranchFormat.BZR_LOOM_1,
BranchFormat.BZR_LOOM_2,
BranchFormat.BZR_LOOM_3)
# A tuple of repository formats that should not suggest upgrading.
CURRENT_REPOSITORY_FORMATS = (
None,
RepositoryFormat.UNRECOGNIZED,
RepositoryFormat.BZR_PACK_DEV_0,
RepositoryFormat.BZR_PACK_DEV_0_SUBTREE,
RepositoryFormat.BZR_DEV_1,
RepositoryFormat.BZR_DEV_1_SUBTREE,
RepositoryFormat.BZR_DEV_2,
RepositoryFormat.BZR_DEV_2_SUBTREE,
RepositoryFormat.BZR_DEV_8,
RepositoryFormat.BZR_CHK1,
RepositoryFormat.BZR_CHK2,
RepositoryFormat.BZR_CHK_2A)
def get_branch_formats(bzr_branch):
"""Return a tuple of format enumerations for the bazaar branch.
:returns: tuple of (ControlFormat, BranchFormat, RepositoryFormat)
"""
control_string = bzr_branch.bzrdir._format.get_format_string()
branch_string = bzr_branch._format.get_format_string()
repository_string = bzr_branch.repository._format.get_format_string()
return (ControlFormat.get_enum(control_string),
BranchFormat.get_enum(branch_string),
RepositoryFormat.get_enum(repository_string))
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