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#!/usr/bin/env python
# Copyright (C) 2005 Aaron Bentley
# <aaron.bentley@utoronto.ca>
#
# 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
try:
import pybaz
except ImportError:
print "This command requires PyBaz. Please ensure that it is installed."
import sys
sys.exit(1)
from pybaz.backends.baz import null_cmd
import tempfile
import os
import os.path
import shutil
import bzrlib
import sys
import email.Utils
from progress import *
def add_id(files, id=None):
"""Adds an explicit id to a list of files.
:param files: the name of the file to add an id to
:type files: list of str
:param id: tag one file using the specified id, instead of generating id
:type id: str
"""
args = ["add-id"]
if id is not None:
args.extend(["--id", id])
args.extend(files)
return null_cmd(args)
def test_environ():
"""
>>> q = test_environ()
>>> os.path.exists(q)
True
>>> os.path.exists(os.path.join(q, "home", ".arch-params"))
True
>>> teardown_environ(q)
>>> os.path.exists(q)
False
"""
tdir = tempfile.mkdtemp(prefix="baz2bzr-")
os.environ["HOME"] = os.path.join(tdir, "home")
os.mkdir(os.environ["HOME"])
arch_dir = os.path.join(tdir, "archive_dir")
pybaz.make_archive("test@example.com", arch_dir)
work_dir = os.path.join(tdir, "work_dir")
os.mkdir(work_dir)
os.chdir(work_dir)
pybaz.init_tree(work_dir, "test@example.com/test--test--0")
lib_dir = os.path.join(tdir, "lib_dir")
os.mkdir(lib_dir)
pybaz.register_revision_library(lib_dir)
pybaz.set_my_id("Test User<test@example.org>")
return tdir
def add_file(path, text, id):
"""
>>> q = test_environ()
>>> add_file("path with space", "text", "lalala")
>>> tree = pybaz.tree_root(".")
>>> inv = list(tree.iter_inventory_ids(source=True, both=True))
>>> ("x_lalala", "path with space") in inv
True
>>> teardown_environ(q)
"""
file(path, "wb").write(text)
add_id([path], id)
def add_dir(path, id):
"""
>>> q = test_environ()
>>> add_dir("path with\(sp) space", "lalala")
>>> tree = pybaz.tree_root(".")
>>> inv = list(tree.iter_inventory_ids(source=True, both=True))
>>> ("x_lalala", "path with\(sp) space") in inv
True
>>> teardown_environ(q)
"""
os.mkdir(path)
add_id([path], id)
def teardown_environ(tdir):
os.chdir("/")
shutil.rmtree(tdir)
def timport(tree, summary):
msg = tree.log_message()
msg["summary"] = summary
tree.import_(msg)
def commit(tree, summary):
"""
>>> q = test_environ()
>>> tree = pybaz.tree_root(".")
>>> timport(tree, "import")
>>> commit(tree, "commit")
>>> logs = [str(l.revision) for l in tree.iter_logs()]
>>> len(logs)
2
>>> logs[0]
'test@example.com/test--test--0--base-0'
>>> logs[1]
'test@example.com/test--test--0--patch-1'
>>> teardown_environ(q)
"""
msg = tree.log_message()
msg["summary"] = summary
tree.commit(msg)
def commit_test_revisions():
"""
>>> q = test_environ()
>>> commit_test_revisions()
>>> a = pybaz.Archive("test@example.com")
>>> revisions = list(a.iter_revisions("test--test--0"))
>>> len(revisions)
3
>>> str(revisions[2])
'test@example.com/test--test--0--base-0'
>>> str(revisions[1])
'test@example.com/test--test--0--patch-1'
>>> str(revisions[0])
'test@example.com/test--test--0--patch-2'
>>> teardown_environ(q)
"""
tree = pybaz.tree_root(".")
add_file("mainfile", "void main(void){}", "mainfile by aaron")
timport(tree, "Created mainfile")
file("mainfile", "wb").write("or something like that")
commit(tree, "altered mainfile")
add_file("ofile", "this is another file", "ofile by aaron")
commit(tree, "altered mainfile")
def version_ancestry(version):
"""
>>> q = test_environ()
>>> commit_test_revisions()
>>> version = pybaz.Version("test@example.com/test--test--0")
>>> ancestors = version_ancestry(version)
>>> str(ancestors[0])
'test@example.com/test--test--0--base-0'
>>> str(ancestors[1])
'test@example.com/test--test--0--patch-1'
>>> teardown_environ(q)
"""
revision = version.iter_revisions(reverse=True).next()
ancestors = list(revision.iter_ancestors(metoo=True))
ancestors.reverse()
return ancestors
def import_version(output_dir, version, fancy=True):
"""
>>> q = test_environ()
>>> result_path = os.path.join(q, "result")
>>> commit_test_revisions()
>>> version = pybaz.Version("test@example.com/test--test--0")
>>> import_version(result_path, version, fancy=False)
not fancy
....
Import complete.
>>> teardown_environ(q)
"""
tempdir = tempfile.mkdtemp(prefix="baz2bzr")
try:
if not fancy:
print "not fancy"
for result in iter_import_version(output_dir, version, tempdir):
if fancy:
progress_bar(result)
else:
sys.stdout.write('.')
finally:
if fancy:
clear_progress_bar()
else:
sys.stdout.write('\n')
shutil.rmtree(tempdir)
print "Import complete."
class UserError(Exception):
def __init__(self, message):
"""Exception to throw when a user makes an impossible request
:param message: The message to emit when printing this exception
:type message: string
"""
Exception.__init__(self, message)
def iter_import_version(output_dir, version, tempdir):
revdir = None
ancestors = version_ancestry(version)
for i in range(len(ancestors)):
revision = ancestors[i]
yield Progress("revisions", i, len(ancestors))
if revdir is None:
revdir = os.path.join(tempdir, "rd")
baz_inv, log = get_revision(revdir, revision)
branch = bzrlib.Branch(revdir, init=True)
else:
old = os.path.join(revdir, ".bzr")
new = os.path.join(tempdir, ".bzr")
os.rename(old, new)
baz_inv, log = apply_revision(revdir, revision)
os.rename(new, old)
branch = bzrlib.Branch(revdir)
branch.set_inventory(baz_inv)
timestamp = email.Utils.mktime_tz(log.date + (0,))
branch.commit(log.summary, verbose=False,
committer=log.creator, timestamp=timestamp, timezone=0)
yield Progress("revisions", len(ancestors), len(ancestors))
unlink_unversioned(branch, revdir)
os.rename(revdir, output_dir)
def unlink_unversioned(branch, revdir):
for unversioned in branch.working_tree().extras():
path = os.path.join(revdir, unversioned)
if os.path.isdir(path):
shutil.rmtree(path)
else:
os.unlink(path)
def get_log(tree, revision):
log = tree.iter_logs(version=revision.version, reverse=True).next()
assert log.revision == revision
return log
def get_revision(revdir, revision):
revision.get(revdir)
tree = pybaz.tree_root(revdir)
log = get_log(tree, revision)
try:
return bzr_inventory_data(tree), log
except BadFileKind, e:
raise UserError("Cannot convert %s because %s is a %s" % (revision,e.path, e.kind) )
def apply_revision(revdir, revision):
tree = pybaz.tree_root(revdir)
revision.apply(tree)
log = get_log(tree, revision)
try:
return bzr_inventory_data(tree), log
except BadFileKind, e:
raise UserError("Cannot convert %s because %s is a %s" % (revision,e.path, e.kind) )
class BadFileKind(Exception):
"""The file kind is not permitted in bzr inventories"""
def __init__(self, tree_root, path, kind):
self.tree_root = tree_root
self.path = path
self.kind = kind
Exception.__init__(self, "File %s is of forbidden type %s" %
(os.path.join(tree_root, path), kind))
def bzr_inventory_data(tree):
inv_iter = tree.iter_inventory_ids(source=True, both=True)
inv_map = {}
for file_id, path in inv_iter:
inv_map[path] = file_id
bzr_inv = []
for path, file_id in inv_map.iteritems():
full_path = os.path.join(tree, path)
kind = bzrlib.osutils.file_kind(full_path)
if kind not in ("file", "directory"):
raise BadFileKind(tree, path, kind)
parent_dir = os.path.dirname(path)
if parent_dir != "":
parent_id = inv_map[parent_dir]
else:
parent_id = bzrlib.inventory.ROOT_ID
bzr_inv.append((path, file_id, parent_id, kind))
bzr_inv.sort()
return bzr_inv
if len(sys.argv) == 2 and sys.argv[1] == "test":
print "Running tests"
import doctest
doctest.testmod()
elif len(sys.argv) == 3:
try:
output_dir = sys.argv[2]
if os.path.exists(output_dir):
raise UserError("Directory \"%s\" already exists" % output_dir)
import_version(output_dir, pybaz.Version(sys.argv[1]))
except UserError, e:
print e
else:
print "usage: %s VERSION OUTDIR" % os.path.basename(sys.argv[0])
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