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# 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
import codecs
import errno
import os
import re
import tempfile
import shutil
from subprocess import Popen, PIPE
import sys
import bzrlib
import bzrlib.errors
from bzrlib.errors import (BzrCommandError, NotBranchError, NoSuchFile,
UnsupportedFormatError, TransportError,
NoWorkingTree, PermissionDenied)
from bzrlib.bzrdir import BzrDir, BzrDirFormat
def temp_tree():
dirname = tempfile.mkdtemp("temp-branch")
return BzrDir.create_standalone_workingtree(dirname)
def rm_tree(tree):
shutil.rmtree(tree.basedir)
def is_clean(cur_tree):
"""
Return true if no files are modifed or unknown
>>> import bzrlib.add
>>> tree = temp_tree()
>>> is_clean(tree)
(True, [])
>>> fooname = os.path.join(tree.basedir, "foo")
>>> file(fooname, "wb").write("bar")
>>> is_clean(tree)
(True, [u'foo'])
>>> bzrlib.add.smart_add_tree(tree, [tree.basedir])
([u'foo'], {})
>>> is_clean(tree)
(False, [])
>>> tree.commit("added file", rev_id='commit-id')
'commit-id'
>>> is_clean(tree)
(True, [])
>>> rm_tree(tree)
"""
from bzrlib.diff import compare_trees
old_tree = cur_tree.basis_tree()
new_tree = cur_tree
non_source = []
for path, file_class, kind, file_id, entry in new_tree.list_files():
if file_class in ('?', 'I'):
non_source.append(path)
delta = new_tree.changes_from(old_tree, want_unchanged=False)
return not delta.has_changed(), non_source
def set_push_data(tree, location):
tree.branch.control_files.put_utf8("x-push-data", "%s\n" % location)
def get_push_data(tree):
"""
>>> tree = temp_tree()
>>> get_push_data(tree) is None
True
>>> set_push_data(tree, 'http://somewhere')
>>> get_push_data(tree)
u'http://somewhere'
>>> rm_tree(tree)
"""
try:
location = tree.branch.control_files.get_utf8('x-push-data').read()
except NoSuchFile:
return None
return location.rstrip('\n')
"""
>>> shell_escape('hello')
'\h\e\l\l\o'
"""
def shell_escape(arg):
return "".join(['\\'+c for c in arg])
def safe_system(args):
"""
>>> real_system = os.system
>>> os.system = sys.stdout.write
>>> safe_system(['a', 'b', 'cd'])
\\a \\b \\c\\d
>>> os.system = real_system
"""
arg_str = " ".join([shell_escape(a) for a in args])
return os.system(arg_str)
class RsyncUnknownStatus(Exception):
def __init__(self, status):
Exception.__init__(self, "Unknown status: %d" % status)
class NoRsync(Exception):
def __init__(self, rsync_name):
Exception.__init__(self, "%s not found." % rsync_name)
def rsync(source, target, ssh=False, excludes=(), silent=False,
rsync_name="rsync"):
"""
>>> new_dir = tempfile.mkdtemp()
>>> old_dir = os.getcwd()
>>> os.chdir(new_dir)
>>> rsync("a", "b", silent=True)
Traceback (most recent call last):
RsyncNoFile: No such file...
>>> rsync(new_dir + "/a", new_dir + "/b", excludes=("*.py",), silent=True)
Traceback (most recent call last):
RsyncNoFile: No such file...
>>> rsync(new_dir + "/a", new_dir + "/b", excludes=("*.py",), silent=True, rsync_name="rsyncc")
Traceback (most recent call last):
NoRsync: rsyncc not found.
>>> os.chdir(old_dir)
>>> os.rmdir(new_dir)
"""
cmd = [rsync_name, "-av", "--delete"]
if ssh:
cmd.extend(('-e', 'ssh'))
if len(excludes) > 0:
cmd.extend(('--exclude-from', '-'))
cmd.extend((source, target))
if silent:
stderr = PIPE
stdout = PIPE
else:
stderr = None
stdout = None
try:
proc = Popen(cmd, stdin=PIPE, stderr=stderr, stdout=stdout)
except OSError, e:
if e.errno == errno.ENOENT:
raise NoRsync(rsync_name)
proc.stdin.write('\n'.join(excludes)+'\n')
proc.stdin.close()
if silent:
proc.stderr.read()
proc.stderr.close()
proc.stdout.read()
proc.stdout.close()
proc.wait()
if proc.returncode == 12:
raise RsyncStreamIO()
elif proc.returncode == 23:
raise RsyncNoFile(source)
elif proc.returncode != 0:
raise RsyncUnknownStatus(proc.returncode)
return cmd
def rsync_ls(source, ssh=False, silent=True):
cmd = ["rsync"]
if ssh:
cmd.extend(('-e', 'ssh'))
cmd.append(source)
if silent:
stderr = PIPE
else:
stderr = None
proc = Popen(cmd, stderr=stderr, stdout=PIPE)
result = proc.stdout.read()
proc.stdout.close()
if silent:
proc.stderr.read()
proc.stderr.close()
proc.wait()
if proc.returncode == 12:
raise RsyncStreamIO()
elif proc.returncode == 23:
raise RsyncNoFile(source)
elif proc.returncode != 0:
raise RsyncUnknownStatus(proc.returncode)
return [l.split(' ')[-1].rstrip('\n') for l in result.splitlines(True)]
exclusions = ('.bzr/x-push-data', '.bzr/branch/x-push/data', '.bzr/parent',
'.bzr/branch/parent', '.bzr/x-pull-data', '.bzr/x-pull',
'.bzr/pull', '.bzr/stat-cache', '.bzr/x-rsync-data',
'.bzr/basis-inventory', '.bzr/inventory.backup.weave')
def read_revision_history(fname):
return [l.rstrip('\r\n') for l in
codecs.open(fname, 'rb', 'utf-8').readlines()]
class RsyncNoFile(Exception):
def __init__(self, path):
Exception.__init__(self, "No such file %s" % path)
class RsyncStreamIO(Exception):
def __init__(self):
Exception.__init__(self, "Error in rsync protocol data stream.")
def get_revision_history(location):
tempdir = tempfile.mkdtemp('push')
try:
history_fname = os.path.join(tempdir, 'revision-history')
try:
cmd = rsync(location+'.bzr/revision-history', history_fname,
silent=True)
except RsyncNoFile:
cmd = rsync(location+'.bzr/branch/revision-history', history_fname,
silent=True)
history = read_revision_history(history_fname)
finally:
shutil.rmtree(tempdir)
return history
def history_subset(location, branch):
remote_history = get_revision_history(location)
local_history = branch.revision_history()
if len(remote_history) > len(local_history):
return False
for local, remote in zip(remote_history, local_history):
if local != remote:
return False
return True
def empty_or_absent(location):
try:
files = rsync_ls(location)
return files == ['.']
except RsyncNoFile:
return True
def rspush(tree, location=None, overwrite=False, working_tree=True):
push_location = get_push_data(tree)
if location is not None:
if not location.endswith('/'):
location += '/'
push_location = location
if push_location is None:
raise BzrCommandError("No rspush location known or specified.")
if (push_location.find('://') != -1 or
push_location.find(':') == -1):
raise BzrCommandError("Invalid rsync path %r." % push_location)
if working_tree:
clean, non_source = is_clean(tree)
if not clean:
print """Error: This tree has uncommitted changes or unknown (?) files.
Use "bzr status" to list them."""
sys.exit(1)
final_exclusions = non_source[:]
else:
wt = tree
final_exclusions = []
for path, status, kind, file_id, entry in wt.list_files():
final_exclusions.append(path)
final_exclusions.extend(exclusions)
if not overwrite:
try:
if not history_subset(push_location, tree.branch):
raise bzrlib.errors.BzrCommandError("Local branch is not a"
" newer version of remote"
" branch.")
except RsyncNoFile:
if not empty_or_absent(push_location):
raise bzrlib.errors.BzrCommandError("Remote location is not a"
" bzr branch (or empty"
" directory)")
except RsyncStreamIO:
raise bzrlib.errors.BzrCommandError("Rsync could not use the"
" specified location. Please ensure that"
' "%s" is of the form "machine:/path".' % push_location)
print "Pushing to %s" % push_location
rsync(tree.basedir+'/', push_location, ssh=True,
excludes=final_exclusions)
set_push_data(tree, push_location)
def short_committer(committer):
new_committer = re.sub('<.*>', '', committer).strip(' ')
if len(new_committer) < 2:
return committer
return new_committer
def apache_ls(t):
"""Screen-scrape Apache listings"""
apache_dir = '<img border="0" src="/icons/folder.gif" alt="[dir]">'\
' <a href="'
lines = t.get('.')
expr = re.compile('<a[^>]*href="([^>]*)"[^>]*>', flags=re.I)
for line in lines:
match = expr.search(line)
if match is None:
continue
url = match.group(1)
if url.startswith('http://') or url.startswith('/') or '../' in url:
continue
if '?' in url:
continue
yield url.rstrip('/')
def iter_branches(t, lister=None):
"""Iterate through all the branches under a transport"""
for bzrdir in iter_bzrdirs(t, lister):
try:
branch = bzrdir.open_branch()
if branch.bzrdir is bzrdir:
yield branch
except (NotBranchError, UnsupportedFormatError):
pass
def iter_branch_tree(t, lister=None):
for bzrdir in iter_bzrdirs(t, lister):
try:
wt = bzrdir.open_workingtree()
yield wt.branch, wt
except NoWorkingTree, UnsupportedFormatError:
try:
branch = bzrdir.open_branch()
if branch.bzrdir is bzrdir:
yield branch, None
except (NotBranchError, UnsupportedFormatError):
continue
def iter_bzrdirs(t, lister=None):
if lister is None:
def lister(t):
return t.list_dir('.')
try:
bzrdir = bzrdir_from_transport(t)
yield bzrdir
except (NotBranchError, UnsupportedFormatError, TransportError,
PermissionDenied):
pass
try:
for directory in lister(t):
if directory == ".bzr":
continue
try:
subt = t.clone(directory)
except UnicodeDecodeError:
continue
for bzrdir in iter_bzrdirs(subt, lister):
yield bzrdir
except (NoSuchFile, PermissionDenied, TransportError):
pass
def bzrdir_from_transport(t):
"""Open a bzrdir from a transport (not a location)"""
format = BzrDirFormat.find_format(t)
BzrDir._check_supported(format, False)
return format.open(t)
def run_tests():
import doctest
result = doctest.testmod()
if result[1] > 0:
if result[0] == 0:
print "All tests passed"
else:
print "No tests to run"
if __name__ == "__main__":
run_tests()
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